Download Daikin FD(Y)M04FAVAL Service manual
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Si42-107 Service Manual Packaged Air Conditioners Duct Connection Type (High Static Pressure Application) FD(Y)-K(A) Series [Applied Models] Cooling Only Heat Pump Si42-107 Packaged Air Conditioners Duct Connection Type (High Static Pressure Application) FD(Y)-K Series Packaged Air Conditioners Duct Connection Type (High static Pressure Application FD-K Series — Cooling Only — ...................... 1 Part 1 Model Name and Power Supply ......................................... 3 Part 2 Functions ............................................................................ 7 Part 3 Specifications .................................................................... 9 ! !"# ! $!"# Part 4 Remote Controller (Optional Accessories)...................... 15 % $ %& $ '()*'+,-. + /0'()*'+,. 1 '()*'+,2.! 30/0( Part 5 Field Piping and Wiring .................................................... 23 030 Table of Contents i Si42-107 $ /!-*4!*4!* /!$*4! *4!* 1 /*4!*- '+54!!545 -1 '5!$* '! *4'!* ! Part 6 Function and Operation ................................................... 55 % $ 5$ %5 + %6 %6)/,*7',5. %6)/,*7'5,*.$! - $ - 5$ - %5 $ Part 7 Troubleshooting ............................................................... 67 8 $ % $ ""'98 +! 6 +! - :;6029(+ - - -- - -$ -+ - -1 :;6029( + 9(% + %4;( +0%;(( + 9(6/4 ;'36+ 9(%;0 +$ 9(/ 60368 ++ 9( &<6=+ 9(/ 60/+1 Part 8 Removal Procedure .......................................................... 81 '+5> '(0 '(%58 '( 2 '(( Part 9 Appendix........................................................................... 87 0/0( 0% 30/0( 1! !"# 1! $!"# 1+ ii Table of Contents Si42-107 Packaged Air Conditioners Duct Connection Type (High static Pressure Application) FDY-K(A) Series — Heat Pump —.............. 107 Part 1 Model Name and Power Supply ..................................... 109 8<( ! "06 :! Part 2 Functions ........................................................................ 113 Part 3 Specifications ................................................................ 115 $ *!"# $ *$!"# *!"# ! *$!"# Part 4 Remote Controller .......................................................... 125 '( $ 3'(2'$ 3'(2'$+ - 3'(2'$ Part 5 Field Piping and Wiring .................................................. 129 030 -! />!$4! 4!*). -! />?!*). '>!*5 $ '>!!*5?'>!*5 Part 6 Field Setting ................................................................... 151 86 )'8 ?'. 0 - #@<0)A!"8%. + 0 08 52 - / 64B(2 $ - ' :;$ Table of Contents iii Si42-107 - (0 % $ -- 8 80$ Part 7 Function and Operation ................................................. 165 % $$ 5$$ %5 $+ % 6)'>!*5. $ 0?0(/% $ "0 +! - % 6)'>!!4!*5. + - 0?0(/% + - "0 + +$ 5+$ %5 +1 :6(:(' :; :6(:(' :; $ / $ 5/>!$A!*). $ %5'>!*58 $- %5'>!!C!*58 1+ Part 8 Troubleshooting ............................................................. 205 8 !+ %(% !+ ""'98 ! 6 ! - :;6029( - - -- - -$ -+ - -1 -! - :;6029( 9(% %4;( 0?"0%;(( 9(6/4 ;'36 9(%;0 + 9(%;"0 1 9(/ 60368 9( &<6= 9(/ 60/'(&//D D ,/0;'( :6<:%<?::2 ,/0;3'($ - '(/8 1 ,/0;&/-! :;60;&/:65E -! :;60;&/:6%5E2 - $ :;60;'(/?&//- $ (;- $ 8 &//:;-- iv Table of Contents Si42-107 $$ $ $$ $+ $ $1 $! $ $ $$ $ $$ $+ $ $1 $! $ $ 52 - 8 " 60:(( -$ 8 :((-+ 8 '(:6( / -1 / ! %52 "06()".8 &()&.8 8 F / 60:(8 8 "06 6$ 8 & 6 + 8 %:(( 8 / 60:((1 8 " 60:(( ! 6@8 '6 8 :()2%5.8 :( )25'(. $ $- :(28'( ;'(+ $ 0 6 Part 9 Appendix......................................................................... 261 0/0($ ?%5 $ 30/0($+ Index 5/>,*8 $+ 5/>,*8 + %5 + 30)/>!$?! ?!*)..+ 30)/>?!*)..+1 ............................................................................................. i Drawings & Flow Charts ............................................................... iii Table of Contents v Si42-107 vi Table of Contents Si42-107 Introduction ! 260 ; 0= ! :6 ( G HG H:6 GH ( ( 6 6I6 :6G H( ( 6:64;;6 ( ;; ! ;6 0( :6(; (6 6 (; :6 0(66(6 6(; :6(; 6; :66;( 66(; :6(; 6(;=4 :6 66(; ! 6= (4; 66 9((46 06 6 ( 2 6 ;0(60 =; (;069( 3=069(6 6= 69( 6 06 4 6 60 6 9( 600 6006=4 66 60000 :600 ; 36 06 606 (6 4600 (, 60(06 (4600 00( 6 6066 4 I 600=06=46:6 00 0 06 ( :6, 606,0 6 (6 2 606 (; 0= 60 6 = /6 ;0000006 ;0 0000006 ;069( 6 = vii Introduction Si42-107 /6 (66 3=069(66 6 = / 6 ;60 36066 6 = 26006069(6( 4 6 = 26 606 ;6 0 69( :66064 I /66(0 :66 6 2 6 =6600 6 ; 0= 3=066600 6 ; 56, 506 ( 0 26 6 ;( =<((6 9( :6 6 =4 60 36 069(4(=666 06660669( 66 066 = 469( I 26 ;06 ( 6(( 6 9(40I 26 6(( ( 6 (4 I viii 0 0 Si42-107 Introduction 2 69(46 6 6 9(460 06 (6 0 = ( = 6 = 26 ; ;6 8=6 6 ;66 06 ;6 ( ( 60 36 06 ;;64(= 66( (; 6 ; 6 (46( 6 =4 60 /(0(6 ; /(0( ; 6 = 06(6 ;46006 ; (06 ; /(0666 0)'.60 ( 600(4 6064 09((0I 600=4; 6=; 60060 60004(=66 0= 6= ; 6=(;4; ((, 6 4600 (=06(:6006(4; 0 06 (4 6664 0 36 06 ;6( 4; 6; 6(0 66 ;4 (( =0;= ( 06 64 6 = /69( 66; (;;0= (;;0=(64 26 =06( 0 6 =04 6( 6 6 =(=66 ;046 606 606 4 6 = 6 ;6 64; 6( /(0 ; 6 =4 6 0 ix Introduction Si42-107 /I ; ;466( 66 4 6 =4 60 6 =6( 4 6 6 (( ( 604 6 = 6((6 4 (( 640 I 6 =600469(0 (00 6 = 2(6 64(= 66 86(606 6 = 2 6 =6066 0 66(6 66 (:6(0 6 ;6;;J : ( < / G H660664606 (4((09(440 6). 30 G0H660I ' G H066 6; 6(466?6( GH(6;4;( 6;;64 6 = x Si42-107 Packaged Air Conditioners Duct Connection Type (High static Pressure Application) FD-K Series — Cooling Only — Model Series Class Indoor Units 3HP 4HP FD03K FD04K 5HP 6HP 8HP 10HP FD05K FD06K FD08K FD10K 15HP 20HP FD15K FD20K Outdoor Units R71FU R100FU R125FU RU06K RU08K RU10K RU08K×2 RU10K×2 1 Si42-107 2 Si42-107 Part 1 Model Name and Power Supply Model Name and Power Supply 3 Power Supply Si42-107 !" !" (; > 4 /!-*> % '+5> -φ- !AF!"# ). /!*> /!*> '!!5> '5> /!$*> /! *> '5!$*> '5! *> /!*> /*> '5!*> '5! *>K F& /!*> /!-*F& '5!*>K '+5F& φ!F$!"# :& /!*F& /!*:& '!!5F& '5:& -φ!F$!"# /!$*:& /! *:& '5!$*:& '5! *:& /!*:& /*:& '5!*:& '5! *:&K /!*:& '5!*:&K Model Name and Power Supply Si42-107 External Appearance #$"% #$"% & Model Name and Power Supply 5 External Appearance 6 Si42-107 Model Name and Power Supply Si42-107 Part 2 Functions Functions 7 Function Si42-107 ' ' ( % ;% ' I; 60&06 8 , ( 6 60 ; "J0 8 / "06 : /,* " ") 608. ( " ")*. Functions Si42-107 Part 3 Specifications ! !"# ! $!"# Specifications 9 Specifications Si42-107 ()* & +" !0 0 5 % 5 &9 @ / &9 @ / =3 2?6 = ?6 M (( (( (( (( (( (( /( 306 & : 'K0K 6 : / ' 8% "K3K/ (P (Q?( ( (("% =3 (( =0 ',(-. 0'. +4 !! +4!!! !!,! φ1)2#0. φ1)2#0. -?2 φ1). φ1). φ$!)". ',(-. KK! !- $ 1 + ! !K$!K ! 0'. : ( '0 '0 % ',(-. ',(-. (('. '. ! ! -+4+!! +4$!! 14!! 4!!! !!,! !!,! φ1)2#0. φ1)2#0. φ1)2#0. φ1)2#0. -?2 -?2 φ1). φ1). φ1). φ1). φ$!)". φ$!)". ',(-. ',(-. )3&",O:;. KK! KK! !-+! !-+! 2/ -! $ 4!1 4$! 1 1 ! !+ !K1!!K ! !K1!!K ! 1 + (('. '. "( ' 0: 8 < 8% 8 60 8 60 =3 "--R/2< -! "-$R/2< - =0 5<%-@ $- : $- 'K0K 6 (P '0 &06 ( '0 8&06 ( 8"06/ ( : 8 (Q?( '!?$!"# ( 8% 3 K-$K! !$ !)9&06+!(. -! B8 $ 4$! ! KK! !1+1 KK! !1+1 :; !)9&06+!(. !)9&06+!(. -! -! B8K B8K ! + 4 -4!+ +7- +7$! :6( %84'F)(. 8 )(.% '8 / /( 306 /0< "K3K/ KK! !1 4 -$ 1 !+ !K4-!K ! +1 (/-. 6 "( : B:!!2,> N ' 10 "-$R/2< ',(/-. (/-. + 14!! 4!!! !!,! φ1)2#0. φ1)2#0. -?2 φ1). φ1). N ',(/-. (( =0 $K !K-+! 4K !K-+! !1 /!!!- 4K !K-+! ! ! <( 0 ;60 J '(J+L/241L324%(J-L/290J( )"#. ! 0 6 6 (6 -!) 60(. 5<%@//,* $ )3 &",O :;. K$!K! $ !)9&06+!(. -! B8 ! -4 7$ :6( (% 84"06 64& 64%' )( 8.4'6 4 4-K !K-! /!!$ 1 ( = ?6S=3K $! 2?6S=3K- (S(Q?(K-- Specifications Si42-107 Specifications & ',(-. ',-. ',(-. (-. (1-.2 (-.2 =3 1+ $ 1!0 2?6 !4!! $$4!!! !4!! = ?6 4!! 4 !! 4!!! M !!,! !!,!,! !!,!,! Kφ+)2#0. Kφ1)2#0. φ1)2#0. &9 (( Kφ)2#0. Kφ- )2#0. @ (( φ- )2#0. 5 / (( -?2 2 2 0 Kφ+)2#0. Kφ1)2#0. φ1)2#0. &9 (( % @ Kφ)2#0. Kφ- )2#0. (( φ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pecifications ',(1-. (1-. -4!!! !41!! !!,! φ+)2#0. φ)2#0. -?2 φ+)2#0. φ)2#0. N ',(1-. ! <( 0 ;60 J '(J+L/241L324%(J-L/290J( )"#. ! 0 6 6 (6 ( = ?6S=3K $! 2?6S=3K- (S(Q?(K-- 11 Specifications Si42-107 /()* & +" !0 0 5 % 5 &9 @ / &9 @ / =3 2?6 = ?6 M (( (( (( (( (( (( /( 306 & : 'K0K 6 : / ' 8% "K3K/ (P ',(-3% 0'3% $ 14!! +4!! !!,! φ1)2#0. φ1)2#0. -?2 φ1). φ1). φ$!)". ',(-3% KK! !- (Q?( ( (("% =3 (( =0 $ 1+ + ! !K$!K ! 0'3% F& :& =3 "--R2 N - "-$R2 N =0 )60(. 1)60(. 5<%-@ $- : ( '0 '0 % ',(-3% ',(-4% (('3% '4% 4-!! 4 !! !4!! -4-!! !!,! !!,! φ1)2#0. φ1)2#0. φ1)2#0. φ1)2#0. -?2 -?2 φ1). φ1). φ1). φ1). φ$!)". φ$!)". ',(-3% ',(-4% )3&",O:;. KK! KK! !-+! !-+! 2/ -! $ 4!1 4$1 1 ! !+ !K1!!K ! !K1!!K ! $ + (('3% '4% "( ' 0: 8 < 8% 8 60 8 60 : -)60(. $- 'K0K 6 (P '0 &06 ( '0 8&06 ( 8"06/ ( : 8 (Q?( '!?$!"# ( 8% 3 K-$K! !$ !)9&06+!(. -! B8 41 ! KK! !1+1 KK! !1+1 :; !)9&06+!(. !)9&06+!(. -! -! B8: B8: 1 1 -4+ -41 1!7$! 1!7 ! :6( %84'F)(. 8 )(.%,'8 / /( 306 /0< "K3K/ KK! !1 4 - 1 !+ !K4-!K ! +1 (/-4% 36 "( : N B:1!2 N ' 12 N "-$R/2& $! ',(/-4% (/-4% + 14!! 4!!! !!,! φ1)2#0. φ1)2#0. -?2 φ1). φ1). N ',(/-4% (( =0 $K !K-+! + 4K !K-+! + /!! $! 4K !K-+! ! ! <( 0 ;60 J '(J+L/241L324%(J-L/290J( )"#. ! 0 6 6 (6 -!) 60(. 5<%@//,* $ )3 &",O :;. K$!K! $ !)9&06+!(. -! B8 ! -4 !!7!! :6( (% 84"06 64& 64%' )( 8.4'6 4 4-K !K-! /!!$ ! ( = ?6S=3K $! 2?6S=3K- (S(Q?(K-- Specifications Si42-107 Specifications & ',(-4% ',-4% ',(-4% (-4% (1-4%2 (-4%2 =3 1+ $ 1!0 2?6 !4!! $$4!!! !4!! = ?6 4!! 4 !! 4!!! M !!,! !!,!,! !!,!,! Kφ+)2#0. Kφ1)2#0. φ1)2#0. &9 (( Kφ)2#0. Kφ- )2#0. @ (( φ- )2#0. 5 / (( -?2 2 2 0 Kφ+)2#0. Kφ1)2#0. φ1)2#0. &9 (( % @ Kφ)2#0. Kφ- )2#0. (( φ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pecifications ',(1-4% (1-4% -4!!! !41!! !!,! φ+)2#0. φ)2#0. -?2 φ+)2#0. φ)2#0. N ',(1-4% ! <( 0 ;60 J '(J+L/241L324%(J-L/290J( )"#. ! 0 6 6 (6 ( = ?6S=3K $! 2?6S=3K- (S(Q?(K-- 13 Specifications 14 Si42-107 Specifications Si42-107 Part 4 Remote Controller (Optional Accessories) % $ %& $ '()*'+,-. + /0'()*'+,. 1 '()*'+,2.! 30/0( Remote Controller (Optional Accessories) 15 Optional accessories Si42-107 &" & % '( '(= 8 6 : /0: -8:( * 16 36-8 :(3: ;8 /!-*4!*>4F& /!*4!$*4! *4!* /*4!*>4:& >4:& *'+,- *'+,<%:. *'+,2 <%:. *'+, *'+, <%:. N 36-8 :( N *:1 /:!+ !!,!M !!,!,!M - *'+,2& ( 4-((*:1 6 00 ( Remote Controller (Optional Accessories) Si42-107 Optional accessories 5""6-078 *'+,- 6046 = 5"" )" Remote Controller (Optional Accessories) 17 Optional accessories Si42-107 "969$8 150 80 15 220 4-Ø6HOLE 200 60 240 (P1392) :" :""; 56155!"":<":"=8 :":!#$ 18 Remote Controller (Optional Accessories) Si42-107 Optional accessories ,"5""6-078 ,"5"" %>&!"":;568 Remote Controller (Optional Accessories) 19 Optional accessories Si42-107 5""6-0798 ,"5"" -079 20 Remote Controller (Optional Accessories) Si42-107 Optional accessories ",5 -07 B C D A E ~ ~ ~ ~ B C A D ~ ~ ~ ~ B C A 3 THERMOSTAT FAN P1 FD06-10 FD03-05 N L (ON/OFF) P3 FD15-20 P5 ON ELECTRONIC CONTROL TEMPERATURE CONTROL OFF P6 (P1256) -07 ROOM SENSOR P21 B P1 FD15•20 P1 P2 P2 A E D FD06~10 P1 P3 P6 C A P2 P6 P7 P3 P3 A C P10 P11 B D P6 C P10 P11 B P8 P10 P11 P12 P13 P14 P15 P16 P17 P18 DISPLAY 3 FD03~05 (P1257) Remote Controller (Optional Accessories) 21 Optional accessories Si42-107 -079 A A D B B J C ON OFF COOL D E HEAT F C G H FD15•20 I H E-F E-G E-H E-I L H TEMPERATURE 22 (P1258) Remote Controller (Optional Accessories) Si42-107 Part 5 Field Piping and Wiring 030 $ Field Piping and Wiring /!-*4!*4!* /!$*4! *4!* 1 /*4!*- '+54!!545 -1 '5!$* '! *4'!* ! 23 Field Piping and Wiring Si42-107 '" ',(-?(-?(- "" 660; =6;)0.5064 06;666; I66606 - 8=66)0$. I604(=6 36(=0I(4 666; 6 $ 066 @ A'?;""5"B ,5$;;; ; "3"; ;""@"" ! 06;;#66 =6#60066 6; ! 5( 0 '00# @ /!- /! φ1K!4&S! φ1K!4&S! φ1K! 4&S+ φ1K! 4&S+ /! φ1K!4&S! φ1K! 4&S+ )0 G&H. 24 Field Piping and Wiring Si42-107 Field Piping and Wiring ,;;": ;"?;! ;"5: ! '(6 ; 660).;606(6 0).)0+. ! ;#0660 460 6 6)01!.6 ( 6;;;; =0 ! 360EI6) (( ;.4(=066 0;60)01,. Field Piping and Wiring 25 Field Piping and Wiring Si42-107 ,@ 4;5:"";!;5:"!<!5 :"@ ! (;660 ! :6 ;6606:60 ; ( 6606 ! ;4=606;600 ()6666:-?6. 0 ! 6 ! 606 66 (6(6 66 046(; ! *06; 06 ( ; ! 06664 (6 6)0. ! 6(60 ! 6((4 66 #" ! (( ;4( ( ( ! 5 ! 0=46G30/0(H 66 ! ( 046( E( ! 0(;(;6# ! ;= ; 066((; ! '6( 666#6 ; 6646 6 ;=? 640 A+;! 5 "" B %6 6; ;(06 )0. ! ;66(40- 60 6 066(0 ! ;6?( 40-56 0(;6 66 ( 26 Field Piping and Wiring Si42-107 Field Piping and Wiring '6( 66( ).600( 6 ! 6660660 6;(6 6;)0 -.6 4=6(66 6; (0 %;6(;6 06(; ! / 006(( )&6 ( 60. ! 36 06(004 6( 0606 06 (( ;( ; (;6 66600( 6 ( ! 5"" 5( 3 5&!3@ 9 #)((P. !+ 6 975"5!;; 5?;!; 55 ! 6 6; ; )0.6 ;6(06 6 6;466 0666 Field Piping and Wiring 27 Field Piping and Wiring Si42-107 ,"";! ;:$;"; "6;$ ;8? ;<" "; @ :"@ ! 606 6; ! (6606 66()0. 4& ! 6 =(=6 6; ( 06 (646( ! :6( 6 =6 6 660 4 6066 )- 6(. ! 606I((46 (60 28 Field Piping and Wiring Si42-107 Field Piping and Wiring ',(/-?(1-?(- "" 660; =6;)0.5064 06;666; I66606 - 8=66)0$. ' I604(=(6 ' 36(=0I(4 666; 6 066 Field Piping and Wiring 29 Field Piping and Wiring Si42-107 @ A'?;""5"B ,5$;;; ; "3"; ;""@"" ! 06;;#66 =6#60066 6; ! 5( 0 '00# /!$ @ φ1K!4&S! φ1K! 4&S+ /! /! φK4&S φ- K4&S φ+K!14&S φ1K!14&S )0 G&H. ! '(6 ; 660).;606(6 0).)0+. ! ;#0660 460 6 6)01!.60 6;; ;;=0 0) (( ;. 30 @0 ((60((/! C! Field Piping and Wiring Si42-107 Field Piping and Wiring ,@ 4;5:"";!;5:"!<!5 :"@ ! (;660 ! :6 ;6606:60 ; ( 6606 ! ;4=606;600 ()666:-?6. 0 ! 6 ! 606 66 (6(6 66 0 ! *06; 06 ( ; ! 06664 (6 6)0. ! 6(60 ! 6((4 66 #" ! (( ;4( ( ( ! 5 ! 0=46G30/0(H 66 ! ( 046( E( ! 0(;(;6# ! ;= ; 066((; ! '6( 666#6 ; 6646 6 ;=? 640 Field Piping and Wiring 31 Field Piping and Wiring Si42-107 A+;! 5 "" B %6 6; ;(06 )0. ! ;66(40- 60 6 066(0 ! ;6?( 40-56 0(;6 66 ( '6( 66( ).600( 6 ! 6660660 6;(6 6;)0 -.6 4=6(66 6; (0 32 %;6(;6 06(; ! / 006(( )&6 ( 60. ! 36 06(004 6( 0606 06 Field Piping and Wiring Si42-107 Field Piping and Wiring (( ;( ; (;6 66600( 6 ( ! 5"" 5( 3 #)((P. 5&!3@ 9 !+ 6 975"5; 5?;!; 55 ! 6 6; ; )0.6 ;6(06 6 6;466 0666 ,"";! ;:$;"; "6;$ ;8? ;<" "; @ :"@ ! 606 6; ! (6606 66()0. 4& ! 6 =(=6 6; ( 06 (646( ! :6( 6 =6 6 660 4 6066 )- 6(. ! 606I((46 (60 Field Piping and Wiring 33 Field Piping and Wiring Si42-107 ',-?(- "" 60) (( ;. 68 606;)0$. 5064 06;666; - I66606 8=66)0+. ' I604(=(6 ' 36(=0I(4 666; 6 066 ! ;:$ '(6 6; = :6; =6,46 , 34 36 606 6;6(J ',6 - '(6 66;46 6; =6,66; ; ;;! ;:$;5?:; " ! 6+218 ;;""?" ""! Field Piping and Wiring Si42-107 Field Piping and Wiring @ A'?;""5"B ,5$;;; ; "3"; ;""@"" ! 06;;#66 =6#60066 6; ! 5( 0 '00# / @ )φK4&S.K &9 )φ+K! 4&S .K /! )φ- K4&S.K )φ1K!4&S .K )01 G&H. ,;;": ;"?;! ;"5: ! 2606(60 4(6 60)0 . ! ;#06601460 6 6)0!. (6066 6 ($6460 !, ! 360TI6) (( ;.4(=066 0;60)0!,. Field Piping and Wiring 35 Field Piping and Wiring Si42-107 ,@ 4;5:"";!;5:"!<!5 :"@ ! (;660 ! :6 ;6606:60 ; ( 6606 ! ;4=606;600 ()666626. 0 ! 6 ! 606 66 (6(6 66 046(; ! *06; 06 ( ; ! 06664 (6 6)0. ! 6(60 ! 6((4 66 #" ! (( ;4( ( ( ! 5 ! 0=46D3'<@/@'8D 66 ! ( 046( T( ! 0(;(;6# ! ;= ; 066((; ! '6( 666#6 ; 6646 6 ;=? 640 A+;! 5 "" B %6 6; ;(06 )0-. ! ;6(40 66 4 606 06 0600( ! ;6?( 4056 0(;6 66 ( '6( 66( ).600( 6 36 Field Piping and Wiring Si42-107 Field Piping and Wiring ! 6660660 6;(6 6;)0- . 6 4=6(66 6;(0 ! 50( 6(; = 366 ;460 %;6(;6 06(; ! / 006(( )&6 ( 60. ! 36 06(004 6( 0606 06 (( ;( ; (;6 66600( 6 ( ! 5"" 5( Field Piping and Wiring 3 #)((P. 5&!3@ 9 !+ 6 37 Field Piping and Wiring Si42-107 975"5!;; 5?;!; 55 ! 6 6; ; )0.6 ;6(06 6 6;46 60666 ,"";! ;:$;<" " ; @ :"@ ! 606 6; ! (6606 66()0$. 4& ! 6 =(=6 6; ( 06 (646( ! :6( 6 =6 6 660 4 6066 )- 6(. ! 606I((46 (60 38 Field Piping and Wiring Si42-107 Field Piping and Wiring 0'?(('?' *5:"; (600# ).'00# % '00# + @ φ1K! !!C φ1K! &9 φ1K! );.(;006 : 8(; 006 8606 -!( !( ! 0 ; 6 ! 06!(=6$((44;06= = ((6 ( Field Piping and Wiring ! /; 666 0 6(6 0 A;"3"<B :6, 00 6((6 :6(6606 5 66 ;6)(.60 0606 - /6 66 ;66) ) . 39 Field Piping and Wiring Si42-107 A&3"<B %0 ). :6(? =40)U. );. 6666:6 0 ). :6(? =40)U. );. 6666:6 )"3"<< :6 6 ;6:= (0 064;066 :0609J1$!,!<C ()!!,!=0C (. )"< 3=66 60666; 6=4066 :0609 J1 !,+!<C ()!!,!=0C (. 8=66, 0 66 (6 ( :6 0( 66 ;6 ( '" 60;6 ( 36 06400( 6 6). 6- ;6 - 60;60609) 060 =6. (064 0= 60 60 6 40 0# :0609 ( )((. φ1 -+!A-11!<C ( )---A!+=0C (. !A φ1 $ !A+!<C ( )$-!A++!=0C (. $A1! φ1 1+!A $!<C ( )11!A!=0C (. 1A-- ( Field Piping and Wiring Si42-107 Field Piping and Wiring % 060(40 (( ; ! :69 6000 0606 6 :=60 600 '00,06 '0 60( 6000 ). 60 600((:; 6060 );. 8= 6 (6;6 6(6 )06. 0 :; 600(VJ=0W :6(((;06-!( &06 )&. ( !( ( !( ( -!( 600( N !- ! !- !! !$- ' 6000 ). 3660066(4 6060 66((6(46606 (46 600(6(6 (6 600( Field Piping and Wiring 41 Field Piping and Wiring Si42-107 - ((6 :=60(6( 006 06 60 6 6 (;6 ( - ( 0;6 ( 8=669, 0, 6 =66 ( 0 '6( N 6;# 69, ;,6 ( $ 600 6!=0? (P@4 60 6; 6( N :66(0 #" " ! 0(; ;9 30 ! (; 606( ( 666( 30 ! 206 ! / 66044060 66 ! 5 ! :60;6(;!F ! /6( 660 ( ! :6 600( !!6( ! 36(0 04600(6 ! 56 6(6 (6 6 ( (04666 (466064 6(6 ( ! (606;4=0 66 660 ) 606,0. ! < 66D&D4D&DD&-D(:6(; 6D<D()>(. ! <9#6 ! 360664 0606 6= =,6)φ-((. ! (66 (66 (; 42 Field Piping and Wiring Si42-107 Field Piping and Wiring A)! ;!":!B 6060;46 86 0 ( 8 '+5> 3)!. "!FF,5@ '!!5> '5> "!FF,5@ "!FF,5@ '+5F '!!5F -! -! "!FF,5-@ "!FF,5-@ 30 ;6)!. # 30#( "!FF,5@! (66 "!FF,5@! ; "!FF,5@! "!FF,5@! "!FF,5@! ! 4 ;= / 4& ! 269,0,6 6 (0066 4(= 6; ;( ! 4686 Field Piping and Wiring 43 Field Piping and Wiring Si42-107 (/- *%""!:"; * % '5!$*> '5!$*:& '0# @ &9 φ1K! φ1K! ! 56(;0306 )60((( 11 M.J%--$ %""!:""; , 8((;0 06)6#0 906. !( 8((;606 -!( ; ! /666 0(0600( 0600 ! :6 06 4(== =6; 06 ) .0φ$(( (P1454) (P1453) ! 2 06) .4;;660; )6 =6 06. (P1455) 44 Field Piping and Wiring Si42-107 Field Piping and Wiring A ;"<"<B :6(6 6066 ;0:6 ;6( ! :066;006 ;6; =6 06/06 ;666 (P1456) &<"< :J :6(? =6 06(666( ( 66<6 )'0$. : J :6(? = 06(666( ( 66<6 )'0. (P1457) A ;"<"< B 66 ;6:= (0 2066 06 :0609J1$!,!<C ()!!,!=0, (. (P1458) A ;"< B 56,, 6006 2066 :0609J1 !,+!<C ( )!!,!=0, (. Field Piping and Wiring 45 Field Piping and Wiring Si42-107 A B 6 (00 66( 6 (I66066(9666 ;00 66((=66 00 66(0;6 ( 6606664 6 ((0 606066 ; 065 6 4 ((;=6 (064 (46 ;66 (; =60 ( (P1459) A B ! 6:;6( 0 ! 36 064 6;6600 ( 606;6-;060( ! 2;69 6066 0 0?(6 ! 6:;60609):( 6 06006. (P1461) :; 0# :0609 ( 0)((. φ1 -+!A-11!<C ( )---A!+=0C (. !A φ1 1+!A $!<C ( )11!A!=0C (. 1A-- 6 (P1460) ! 666600; =6 (6 09 (6(4 4 ; 600 ! 4"" (P1462) 46 6660666 Field Piping and Wiring Si42-107 Field Piping and Wiring #< :6 6 ==;6( :60; 6 ==;6 @ 6 6 = ()< (. 60<00 - =;04 6 06 / 60<0 6 = (0 $ 6I 60606 + &=(6<-+ ,+ (P1463) ; :69 6000 06 06 6 :=60 600 %" ; 60 600((:;4- 60606 66 6). 0 :"%" ;5 (P1464) (P1465) A B ! /=6060-( 5" ;; 3660066(4 6060 66((6(46606 (46 600((6(69 600; 6 600( 57! :696, 6 6 (:=6 0(6(0, Field Piping and Wiring 47 Field Piping and Wiring Si42-107 <;7 ;"!7! ;; ( 0; 6( (6;6 690 6 =66 ( 0 ( N ;# - 69, 06( ;06 ( 366, 6 N 46 =06(4 6 60 :6( N (P1466) #" "@ ! 0(;(;6# ! ( 6 6 (66 ; ! 5 ! 50!!Ω ! ;60+6 ;(= 66) 606. ! >( 8= ;( 6 6469( 6066 ; )&4&4&-. 6 )6 6(0 66; ;669(4 6 (;(0;< ;6 . ! <9#; ; ! 36 ;(644; = (P1467) 64 6 )@, . ;66)φ-4φ+.)'0 . ! 6 00(6( 0= ! <;6 06 ! *6666 6 ! 2 ! /6 ((669( A!";B '( 660 4 6( 66 A!";B '6( 66 04 6( 66 (P1468) 48 Field Piping and Wiring Si42-107 Field Piping and Wiring 5 (P1469) 8 3)!. '5!$*> "!FF,5@ '5!$*:& "!FF,5@ # 30 ;6 )!. 30#( ( 66 ; "!FF,5@! "!FF,5@! !% 4"!+'<,6 6.5""8 ! 8=666 E( 6 60!! (P1470) ! 0 60 (06 / 4& 6 46( Field Piping and Wiring 49 Field Piping and Wiring / Si42-107 (1-?(- / @ ! :60( 60 '00J( 066066 # #J0; 8 '00# @ %/K:)8. &9 %/K:)8. /! * 7 '5! * φK(( φ+K!1(( /!* 7 '5!* φ- K(( 8(( ; &06 !( 0 6 ' 9 &06 8(( ; "06 / +!( -!( φ1K!(( ! 66;460 ; (664;( 6 I 00 ! ! 95 ! (66090 ! 56 ;60 !L;6609 50 Field Piping and Wiring Si42-107 Field Piping and Wiring / %;!; 4;5" ;!;; %"! ;;!;'"!"" 5; 5, ;; 5!;!;" ! (06(6 (( ! :66; 6 ==;6( ! '00(; 6 ==;6 ! @ 60 6 =6 ():66; (. 606(600 - =;6I60 / 600 60 6 =6 (0 $ 6060 ! 6(0 6006(; )3606(06. '5! *)>C:&. '5!*)>C:&. !=0)2 60. $=0)2 60. )360(6(06. '5! *)>,:&. :'0 ()=0. S 2 60 ()=0. 7 60 ()=0?(. 7 60 ()=0?(. !! 7) :0 &06)(. U(. 7) :0 &06)(. U(. '5!*)>,:&. :'0 ()=0. S 2 60 ()=0. !!$ ! 6066(0 ; Field Piping and Wiring 51 Field Piping and Wiring Si42-107 / #" @ ! 0 (6 6;; (( 6 ;6 06 66;0 ! % ! '6G30/0(H660 ! =(;(; ! :6 6( 0(6060 6(9 ! :66(6 66;=6( ; ! 3 (;064; /6066 ( ?0 604 6 =? ! !"; ! '686 4;!";5;<! ;!;:@;5 " :"" " "5;!"!!"";!:!; !; "55"69 "5;!8 8 52 '5! *> -! '5!*> ! '5! *:& ! '5!*:& $! 3: "!FF,5@ "!FF,5@ # 0 (6 6 ;; (( 6 ; 6 0 6 66;0 3025 3: # 5&! 3@ 9 !+((P 6 Field Piping and Wiring Si42-107 Field Piping and Wiring ! 660;460 ; (6406 6 6.5""8 8=66 E( 6 60 !! ! 0 60 (06 / 4& ! %( 600660 (06 ( Field Piping and Wiring /6686 53 Field Piping and Wiring 54 Si42-107 Field Piping and Wiring Si42-107 Part 6 Function and Operation % $ 5$ %5 + %6 %6)/,*7',5. %6)/,*7'5,*.$! - $ - 5$ - %5 $ Function and Operation 55 Function Outline Si42-107 ' &" ',7- (Input) Indoor Unit (Output) Thermostat Control Remote Controller with Liquid Crystal Fan Motor Fan Operation ON/OFF Fan Operation Cooling Operation Malfunction Detection Function ∗ Fan Motor over Current Thermostat 3 Minutes Timer 56 (P1259) Funciton and Operation Si42-107 Function Outline & +" (Output) (Input) Outdoor Unit Discharge Pipe Thermostat Switch Compressor ON/OFF Control Compressor Fan Motor Thermostat Switch Malfunction Detection Function Outdoor Fan Motor Compressor over Current Switch RU Model Only High Pressure Switch RU Model Only Low Pressure Switch RU06K Only Functon and Operation (P1260) 57 Operation Flow Chart Si42-107 &'"!; &'"!;6',7-C7'8 VW Power switch on remote controller ON. Is F1C of indoor unit in normal condition. Unit does not NO operate. YES Relay K1R of indoor unit is ON Press Fan operation button. Mgs K1M of indoor unit is ON. Indoor unit Fan operates. Press cooling button. Thermostat ON judgement. Thermostat OFF Thermostat ON Mgs K1M of outdoor unit is ON, then compressor and outdoor fans operates. One of safty device Q1L, Q2L and S1B actuates. Mgs K1M of outdoor unit is OFF. Compressor and outdoor fans are OFF. (Indoor fan keeps to operate.) Safty device returns to normal. Stop unit operation and locate cause of actuation of safty device. Manually resets the safty devices. (P1261) 58 Funciton and Operation Si42-107 Operation Flow Chart VW Power switch on remote controller ON. Is F1C of indoor unit in normal condition. Unit does not NO operate. YES Relay K1R of indoor unit is ON Press Fan operation button. Mgs K1M of indoor unit is ON. Indoor unit Fan operates. Press cooling button. Thermostat ON judgement. Thermostat OFF Thermostat ON Mgs K1M of outdoor unit is ON, then compressor and outdoor fans operates. F1C of indoor unit actuates. Relay K1R is OFF and Mgs K1M is OFF, then Mgs K1M of outdoor unit is OFF also. Indoor unit Fan stops, then compressor and outdoor unit's fan are OFF. F1C of indoor unit returns to normal. Stop unit operation and rocate cause of actuation of safty device. Manually resets the F1C relay. (P1262) Functon and Operation 59 Operation Flow Chart Si42-107 &'"!;6',7-C7-8 ∗ :6/!$A!*7'5!$A!* /*?/!*;6( VW Power switch ON. Is safty device in normal condition. Unit does not NO operate. YES Relay K1R of outdoor unit is ON. Relay K2R, K3R of indoor unit are ON. Press Fan operation button. Mgs K2M of indoor unit is ON, and relay K2R, K4R are ON. Indoor Fan operates. Press cooling button. Thermostat ON judgement. Thermostat OFF Thermostat ON Mgs K1M of outdoor unit is ON, then compressor and outdoor fans operates. One of the safty device Q1RP, F1C, S1B, S1PH, Q1L, Q2L acutuates. Relay K1R of outdoor unit is OFF. Relay K2R, K3R, of indoor unit is OFF then K2M and K1M are OFF. Fan and compressor are OFF. Safty device returns to normal condition. (P1263) 60 Funciton and Operation Si42-107 Operation Flow Chart VW Power switch ON. Is safty device in normal condition. Unit does not NO operate. YES Relay K1R of outdoor unit is ON. Relay K2R, K3R of indoor unit are ON. Press Fan operation button. Mgs K2M of indoor unit is ON, and relay K2R, K4R are ON. Indoor Fan operates. Press cooling button. Thermostat ON judgement. Thermostat OFF Thermostat ON Mgs K1M of outdoor unit is ON, then compressor and outdoor fans operates. F2C of indoor unit actuates. Relay K2R, K3R, are OFF and K2M and K1M are OFF also. Fan and compressor are OFF. F2C returns to normal condition. (P1264) Functon and Operation 61 Electric Function Parts Si42-107 #" ' ',7-. '( !- 8 880 6 ! *'+,-4*'+,)/0:. :%,* -φ- !?F!=3 &*B:"!,$ !F :%,* -φ- !?F!+=3 &*B:"!,$ !F 8% ' '( 8 880 6 8% ' ! !$ ! ! *'+,-4*'+,)/0:. :% :%,* -φ- !?F!+=3 -φ- !?F=3 &*,B:"!,$ !F &*,B:!,$ !F -$ ',7-3% '( !- ! *'+,-4*'+,)/0:. 8 %5 φ!?!F!=3 &*B:"!, !F 880 6 8% ' - ',7-4% '( 8 880 6 8% ' 62 ! !$ ! *'+,-4*'+,)/0:. :% -φ!F!+=3 ! :%,* -φ!F=3 &*,":"!,2 !F &*,B:"!,$ !F &*,B:!,$ !F - - $! Funciton and Operation Si42-107 Electric Function Parts ',7-. '( 8 880 6 8% ' ! *'+,-):6(.4*'+,)/0:. *'+,2):6(.7*:1∗ :% :% -φ- !?F!"#=3 -φ- !?F!"#-+=3 &*,B:!,$ !F ! &*,B:!,$ !F ! ∗ *:1J-(0( ',7-4% '( 8 880 6 ! *'+,-):6(.4*'+,)/0:. *'+,2):6(.7*:1∗ :% -φ!F$!"#=3 &*,B:!,$ !F :% -φ!F$!"#-+=3 "%,!,:' !F 1 8% ' ∗ *:1J-(0( Functon and Operation 63 Electric Function Parts Si42-107 & >' 8 ( *8 8 80 6 %5 )5. 8 %5 )&. %5 8 :6( R& R& '+5F& "--R2 85!, !3 85!/ !3 N %J-XL %<J $XL ' ' 8 8 2 :( 6 )/ 60. 0' ,5:,-* %J-XL?%<JXL N $$, +< 8 0 N N * -' '4 ' 8 ( *8 80 6 8 %5 )5. %5 )&. 8 R& R& ' 64 '+5> "--R/2 µ N '!!5> '!!5F& '5> '5:& "-$R/2 85!, "-$R2 85!/ "-$R/2 85!, "-$R/2 & 85!/ +3 1!3 +3 1!3 -3 3 $!3 !3 %5 8 :6( 8 ' 2 8 :( 6 )/ 60. * 0' -µ !µ7 !µ %J-XL %<J $XL µ µ ,5:,-* %J-XL?%<JXL N -' 8 N $$, +< !µ '4 ' 0 N $µ7 !µ N N N N N N Funciton and Operation Si42-107 Electric Function Parts 7-. 8 ( *8 80 6 8 %' 8)5. 8 8)&. '5!$*> '5! *> '5!*> B:!!2> -6- !,F!"# "%$,:' !F B:$/,> -6- !,F+=3 B:--/,> -6- !,F1=3 &*,!B:, !F ,<%: 6!,!F$ 3 "%,-,:' !F 3$ $!! 6!,!F$-!3 8 :6( %J-XL %<J!L 3$ !! 6!,!F$1!3 %J-XL %<J $XL ' ' 8 8 $µ4!!F $µ4!!F µ4!!F µ4!!F R' '6 :6( 6 )/ 60. 2 " 6)"06 . & 6)& . ,<%: 6!,!F$$3 'B,!!F 5:,-* %J-XL %<JXL 2,/2 %J17!,!8 %<J$X!8 &2,B %J,!!-X!!8 %<J!!X!!-8 !F 7-4% 8 ( *8 80 6 8 %' 8)5. 8 8)&. '5! *:& '5!*:& B:1!2 -6!F$!"# "%,-,:' !F B:-$/, -φ!!F=3 "%,-,:' !F B:-!!/, -6!!F+=3 &*,!B:, !F - $ ,<%: 6!,!F$!!3 3$ $!! 6!,!F$-!3 ,<%: 6!,!F$!!3 8 :6( %J-XL %<J!L 3$ !! 6!,!F$1!3 %J-XL %<J $XL ' ' 8 8 $µ4!!F $µ4!!F µ4!!F µ4!!F R' '6 :6( 6 )/ 60. 2 Functon and Operation '5!$*:& " 6)"06 . & 6)& . 'B,!F 5:,-* %J-XL %<JXL 2,/2 %J17!,!8 %<J$X!8 &2,B %J,!!-X!!8 %<J!!X!!-8 !F 65 Electric Function Parts 66 Si42-107 Funciton and Operation Si42-107 Part 7 Troubleshooting 8 $ % $ ""'98 +! 6 +! - :;6029(+ - - -- - -$ -+ - -1 Troubleshooting :;6029( + 9(% + %4;( +0%;(( + 9(6/4 ;'36+ 9(%;0 +$ 9(/ 60368 ++ 9( &<6=+ 9(/ 60/+1 67 Maintenance Inspections Si42-107 + &<<! D &5" & :6060 ;606 ;6( 06;;'+,5 (6; JG"H 0 "06 )8. & )8. ! $A1 "# )$A1. $! +A "# )+A!. !-1A!1 )!A$!. !-A! )-A. / 60 5 :( J :( )L. / )L. 2 :( / 60 :( )L. $!A1 !A +!A ,A! %5 J / 2 :( / 60 :( )L. A +A 006=0? (P 0% "0% 5 %5 +L/2?1L32 L/2 -L/2 +L/2?$L32 ! /0( 466; = ( ;6G G 6 36(0( 46(60 Indoor unit To dedicated breaker Transmission wiring between indoor and outdoor units What about switch capacity? What about cable thickness? What about voltage and current? To dedicated breaker Refrigerant piping (Liquid+gas) Drain piping Outdoor unit Earth (P1667) 68 Troubleshooting Si42-107 "%7 E & F Maintenance Inspections 366 ((((#6;;)8 (,!((. )36 0. , 0 6 5? %?% %50 6 %5? % 8'0 & & "06 & '0 & & & & "06 "06 "06 "06 "06 "06 "06 "06 "06 38'0 /8'0 Y& Y& & & & & & ='0)@. 5 ( & Y"06 & & & & Y360#6 ;4; 6( 6(( Y/60 0604; 6(6( ( - ;606; (06 < Troubleshooting 69 How to Handle Request for Maintenance Si42-107 )!)"=+ '"!; 6 060 669 (6 ( Turn the power supply switch ON or replace the fuse. Wait until power failure is over. YES YES Doesn't run at all Is there a power failure? (1) The operation circuit fuse is disconnected or is making poor contact. (2) The operation swich is broken or its contact is defective. (3) The high pressure switch is broken. (4) The fan motor's magnetic switch is broken. (5) The fan motor's protection thermostat is being actuated or is broken. (6) The compressor's overcurrent relay is broken. (7) The compressor's protective thermostat is broken. (8) The electrical system insulation is defective. (9) The compressor's magnetic switch's contact is defective. (10) The compressor is broken. NO The power supply switch is NO OFF or the switch's fuse is burnt. Nomal Runs The fan comes on but the compressor doesn't run. Set the remote controller's temperature setting to: (1)When cooling:Minimum (2)When heating:Maximum (11) Thermostat is broken. (12) The cool/heat selector is broken. (13) The operation switch is broken. (14) The compressor's magnetic swich is broken. Doesn't run (15) Over-charged with refrigerant. (16) Air is mixed inside the refrigerant circuit. (17) The pressure switch is broken. (18) The outdoor unit fan motor's magnetic switch is broken. (19) The outdoor unit fan motor's auxiliary relay is broken. Cooling Cooling starts but stops right away. (20) The outdoor unit's heat exchanger is dirty. (21) There is something blocking the outdoor unit's air flow. (22) Malfunction of the outdoor unit's fan. Nomal The unit won't run again for a while after stopping. Try turning the Operation switch OFF and On. Did you allow 3 minutes to elapse after turning ON? YES NO Runs Operation is normal. Is there something causing the indoor load to be large, such as an open window or door? The unit runs but doesn't cool the room. Measure the suction /disharge temperature. YES Temperature differential is 8~18˚C NO (23) Overcurrent relay (for compressor) (24) Compressor's protective themostat (25) The causes for the overcurrent relay (for compressor) being actuated are: (26)-1 Power supply voltage is lower than prescribed. (26)-2 High pressure is too high. (26)-3 The power supply cord is too small. (26)-4 The compressor is broken. (27) The causes for the compressor's protective thermostat (27)-(1) Unsatisfactory compression from the compressor (27)-(2) Defective refrigerant (27)-(3) Unsatisfactory refrigerant circulation (Temperature differential =suction temperature - discharge temperature) OK.We'll be right over. (Maintenance required) (P1268) 70 Troubleshooting Si42-107 Troubleshooting Based on Equipment Condition 4:";9#=5 4:";9#=5 '( 0 + - 4; ( 0; (( 9(64 ; 0 + 6 9(; 0 +$ 0 Troubleshooting 9( 9( 0 +0 + $ + 9( 606( 0 ++ 9( 6= 0 + 1 9( 60 9(( 0 +1 '(( 0 (6 6066 (; 71 Troubleshooting Based on Equipment Condition Si42-107 #=5& %" :"+" /,* :" ! ! ! ! ! ! ! ! ! ! ; 6 ( 606 6 (0 6( 6(( ( ( 6( ( (0 6 ( 8 ( 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is power switch OFF or fuse for control circuit blown? YES Turn on power switch or replace fuse. NO Is there power outage? YES Wait until power returns. NO Is the power supply between terminal C-D (or 3) from remote controller? NO Check remote controller contact YES Is the power supply on MgS "K1M or K2M" coil of indoor fan motor? YES Malfunction of MgS coil or MgS contact replace the MgS switch. NO Is the power supply to Relay "K1R" coil of indoor or outdoor unit? ∗Note NO Is there any malfunction or actuation of safty devices? YES ∗ K1R relay rocated on indoor unit for FD03·04·05K and outdoor unit for FD06·08·10K YES NO Is the sufficient insulation in electric system? YES Possibly faulty electric wiring or relay etc. 72 NO Malfunction of K1R relay and replace it. Malfunction or actuation of safty device such as: · indoor fan motor protection thermostat or over current relay · Compressor overload relay or protection thermostat · Discharge pipe thermostat switch · High pressure switch or Low pressure switch Check the faulty insulation parts or wiring. Check electric wiring or relay etc. (P1269) Troubleshooting Si42-107 Troubleshooting Based on Equipment Condition '&?:5 %" :"+" /,* :" ! ( ! (0 6 ( 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Make the following temperature setting using remote controller. Cooling: Lowest setting YES Does equipment operate? YES Normal. NO Is the power supply between terminal B-D (or 3) from remote controller? NO Malfunction of remote controller contact or thermostat YES Is the power supply on MgS coil for compressor. YES Malfunction of MgS coil or MgS contact. Replace the MgS switch. NO Is there any malfunction or actuation of safty devices? NO Possibly faulty electric wiring or relay etc. YES Malfunction or actuation of safty device such as: · Discharge pipe thermostat · Thermostat switch for outdoor fan motor. (In case of R71~125FU) Check electric wiring between indoor and outdoor unit or relay etc. (P1270) Troubleshooting 73 Troubleshooting Based on Equipment Condition Si42-107 "&:55" %" :"+" /,* :" ! ! ! ! ! ! ! ! 600 0( 6 (0 6( ( 6 60 :60( 8 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. [ Outdoor unit [ Does the fan rotate? NO YES Does the fan overheated? YES Malfunction of fan motor Check the magnetic switch and aux. switch for fan motor Replace fan motor. NO Is there any item disturbing airflow? YES Remove the disturbing item NO Is the heat exchanger soiled? YES Cleaning of the heat exchanger NO Possible causes as follows: * Refrigerant overcharge * Mixing of air in refrigerant system * Faulty pressure switch After vacuum drying, charge correct amount of refrigerant Check the pressure switch (S1271) 74 Troubleshooting Si42-107 Troubleshooting Based on Equipment Condition %#=5;,!? : ;" %" :"+" /,* :" ! % ) (. ! ( 6( ! % ( 60 &0 606 ; 8 ( ! ( 6(( 60 ( ( 0 0 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn the operation switch ON and OFF, then wait at ON side. Does the unit start operation after 3 minutes? YES [Electric system] Power supply voltage is NO within ±10 % of specified voltage. NO Is the discharge side of compressor hot after unit operation stop? YES Check on the cause why overcurrent relay (for compressor) or compressor protection thermostat acted. NO Not so hot YES Is the size of power cable through total length correct? [Refrigerant circuit] Normal. Unit is in 3-min standby mode Contact power company Check compressor NO Replace power cable YES After vacuum drying, charge correct amount of refrigerant. Then, start operation again. Is there any temperature difference between inlet and outlet of capillary tube? YES Malfunction of compressor NO Capillary tube clogged. Check compressor (P1272) Troubleshooting 75 Troubleshooting Based on Equipment Condition / Si42-107 #=5&:<" %" :"+" /,* :" ! % ) (. ! ( 6( ! % ( 60 &0 606 ; 8 ( ! ( 6(( 60 ( ( 0 0 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Measure the temperature of suction air and discharge air. Temperature difference = Suction air temp. – Discharge air temp. Temperature difference for cooling should be between 8 and 18 ˚C. YES YES Normal. NO Possible causes as follows * Incorrect selection of model * Affection of direct sun NO Does any frost generate around inlet port of indoor unit heat exchanger or outlet port of capillary tube? Does the heat load increase after installation of the unit? YES Is the operation current less than specified level? Additional unit installation should be considered YES NO NO Gas shortage possibly generates trouble. Does indoor unit discharge flow rate down? YES NO Is the level of high pressure higher than normal level? NO Possible causes as follows * Insufficient compression of compressor * Insufficient circulation of refrigerant * Faulty expansion valve 76 YES * Clogged air filter * Soiled heat exchanger * Malfunction of fan motor Possible causes as follows * Refrigerant overcharge * Soiled heat exchanger * Short circuit of discharge air * Disturbing item in air flow * Malfunction of fan motor of outdoor unit After vacuum drying, charge correct amount of refrigerant. Check each section Check each item Check each item (P1273) Troubleshooting Si42-107 0 Troubleshooting Based on Equipment Condition #=5, ;;+ %" :"+" /,* :" ! ! ! ! ! "( 6( 6 60 00 8 ( 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the room temperature higher than set value in cooling operation? YES NO Continue unit operation. Is white fog coming out from the unit? NO Normal YES It may be necessary to remove the source of humid condition. Is the heat exchanger of indoor unit soiled? YES Remove the source of humid condition. Cleaning of heat exchanger is necessary. NO Is the site dusty or with dense oil mist? YES Dust or oil mists should be removed. Remove the source of oil mist or dust. NO Is the airflow rate too small? YES Possible causes as follows * Clogged air filter * Malfunction of fan motor Cleaning of air filter Check fan motor (P1274) Troubleshooting 77 Troubleshooting Based on Equipment Condition 1 Si42-107 #=5 ;@ %" :"+" /,* :" ! 600 ! 0( ! 60060)6. 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Does the noise generate with vibration of whole ceilings and walls? [Installation work side] YES Correction of installation Reinforcement for ceilings or NO Does the noise generate with vibration of unit mounting section? YES Continuous YES slight noise of "shoo....." during cooling operation NO Is the piping secured? NO YES NO Does the pipe contact with casing? NO Sound of "shoo..." generates just after operation start or stop. [Power supply side] YES Does the fan contact with other parts? Insert shock absorber in mounting section, or strengthen the mounting section. YES Insert cushion materials to the pipe support such as saddle. YES NO Sound of "shoo..." generates during cooling or after operation stop. NO Normal. The sound is flushing noise of gas (refrigerant) inside air conditioning unit Normal. The noise is a sound generated at the time of gas Disassemble and remove parts contact. YES Normal. Operation sound of draining device Correct piping manually or attach a dead weight to pipe NO Is the noise flushing sound from pressure reducing valve or capillary tube? NO 78 YES Normal. * Excess charge of refrigerant * Air intrudes into refrigerant system * Flushing noise due to refrigerant shortage. (Sound of shoo...) After vacuum drying, charge correct amount of refrigerant. (P1275) Troubleshooting Si42-107 G Troubleshooting Based on Equipment Condition #=5, ;, %" :"+" /,* :" ! ( ! (T6 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Does the trouble generate at the time of operation start again after extended period of operation? YES Dust collected inside the indoor unit are blown out. Cleaning for inside of indoor unit is necessary. NO Is air filter equipped? NO YES Dust collected inside the indoor unit are blown out. Cleaning for inside of indoor unit is necessary. Install air filter. (P1276) Troubleshooting 79 Troubleshooting Based on Equipment Condition 80 Si42-107 Troubleshooting Si42-107 Part 8 Removal Procedure '+5> Removal Procedure '(0 '(%58 '( 2 '(( 81 For R71FUY1 Si42-107 '0'. 5<"#$" - 82 9""!":5:"!@ '(61 '(6 60 '(6- 6 0 (;60 '(6 6 0 Removal Procedure Si42-107 For R71FUY1 5<"&''+ 9""!":5:"!@ ! '(60 4 4 0 6 (06 0 '(6 6 ;06 6006 ?;(? 064(6 600 - '(6 ;0 0 / 6( (6 ;E0 ( 6 '(660 ;06 (4(6 ( :6(; ; (; (06- 60; Removal Procedure 83 For R71FUY1 5<"#" "9$ - 84 9""!":5:"!@ ! '(64 0 0 06 (0 '(6 ( 6 60) (04 6 . Si42-107 '(6 ; 6606 ; 6 (;6 04 4(6 ( (06 04(6 6 ; '(6 ; Removal Procedure Si42-107 For R71FUY1 5<"5 9""!":5:"!@ ! '(6 04 4 0 ( '(6 ( 0 / 6 ( (6 ( ( - "6;# 6 60 4 ((60 6 4 Removal Procedure 85 For R71FUY1 86 Si42-107 '(6 (E6 ; 5:,; &6 ( 06 Removal Procedure Si42-107 Part 9 Appendix 0/0( 0% 30/0( 1! !"# 1! $!"# 1+ Appendix 87 Piping Diagrams Si42-107 ,5 "&" ',(-C0'F',(-C(('F',(-C' ',(/-C(/- 88 Appendix Si42-107 Piping Diagrams ',(1-C(1-F',(-C(- ',-C(1-2F',(-C(-2 Appendix 89 Wiring Diagram Si42-107 ,5 ()* ',(H(H(-. 90 Appendix Si42-107 Wiring Diagram 0'. 3D000995C (('.F'. 3D001007C Appendix 91 Wiring Diagram Si42-107 ',(/-.C(/-. 92 Appendix Si42-107 Wiring Diagram ',(1-.C(1-.F',(-.C(-. Appendix 93 Wiring Diagram Si42-107 ',-.C(1-.2F',(-.C(-.2 94 Appendix Si42-107 Wiring Diagram ',(>(-. Appendix 95 Wiring Diagram Si42-107 ',H(-. 96 Appendix Si42-107 Wiring Diagram /()* ',(H(-3% Appendix 97 Wiring Diagram Si42-107 0'3% 3D005375C (('3% 3D005376C 98 Appendix Si42-107 Wiring Diagram ',(-4% Appendix 99 Wiring Diagram Si42-107 '4% 100 Appendix Si42-107 Wiring Diagram ',(/-4%C(/-4% Appendix 101 Wiring Diagram Si42-107 ',(1-4%C(1-4%F',(-4%C(-4% 102 Appendix Si42-107 Wiring Diagram ',-4%C(1-4%2F',(-4%C(-4%2 Appendix 103 Wiring Diagram Si42-107 ',(?(-3%F',(>(-4% 104 Appendix Si42-107 Wiring Diagram ',H(-4% Appendix 105 Wiring Diagram Si42-107 106 Appendix Si42-107 Packaged Air Conditioners Duct Connection Type (High static Pressure Application) FDY-K(A) Series — Heat Pump — Model Series Class Indoor Units Outdoor Units 6HP 8HP 10HP 15HP 20HP FDY06K(A) FDY08K(A) FDY10K(A) FDY15K(A) FDY20K(A) RY140KU RY200KU RY250KU RY200KU×2 RY250KU×2 107 Si42-107 108 Si42-107 Part 1 Model Name and Power Supply 8<( ! "06 :! Model Name and Power Supply 109 Model Series and Nomenclature Si42-107 +"5 " ); 4 +"!" 5:" !"# !" > -φ4- !AF4!"# )8-. )%5. :& -φ4!F4$!"# $!"# >& -φ4- !F4$!"# )8-. )%5. & />!$*).> '>!*5> />! *).> '>!!*5> />!*).> '>!*5> />*).> '>!!*5>K />!*).> '>!*5>K />! *).:& '>!!*5:& />!*).:& '>!*5:& />*).:& '>!!*5:&K />!*).:& '>!*5:&K />! *).>& '>!!*5>& />!*).>& '>!*5>& />*).>& '>!!*5>&K />!*).>& '>!*5>&K =J8%5 5 " FDY 06 K Y1 Duct Connection High Static Pressure Type FDY : Heat Pump Capacity Index Major Design Category Power Supply Symbol Y1 : 3φ 380~415V 50Hz TAL : 3φ 220V 60Hz YAL : 3φ 380V 60Hz (P1015) & RY 140 KU Y1 Outdoor Units Capacity Index Major Design Category Power Supply Symbol Y1 : 3φ 380~415V 50Hz TAL : 3φ 220V 60Hz YAL : 3φ 380V 60Hz 110 (P1016) Model Name and Power Supply Si42-107 External Appearance #$"% #$"% />!$*). />! *). />*). />!*). />!*). 5"" 3: 2'2$ 3: 2'$ 3: 2'$ 0' 05 ):. & '>!*5 Model Name and Power Supply '>!!*5 '>!*5 111 External Appearance 112 Si42-107 Model Name and Power Supply Si42-107 Part 2 Functions Functions 113 Functions Si42-107 ' ' %8 / "06 : />,* " < &/3'( " " " :( ( ?"60% " " 60% /0 " " 8 60 -!( ( />!$* />! 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',.(-%. !4!0 ).?).?)-. !4!-"0 ).?).?)-. =3 2?6 = ?6 =3 2?6 = ?6 /( "K3K/ : 'K0K 6 : / 8% '! &! 8 6306 &9 0 @ / 3 '( )%. 3 (( (P =3 (Q?( 2). =0 (( (( !K4-!K !)362. !!K4-!K !)362. !!K4--!K !)362. )3&",O:;. KK! -KK! -KK! !1 !!! 2/ 2/ 2/ !+ , $ ,$ -, ! , , -,! 1 ! φ1)2#0. φ+)2#0. φ1)2#0. φ1)2#0. φ)2#0. φ $)2#0. :-?):6. :-?):6. :-?):6. 2'$ 2'$ 2'$ 2'$ 2'$ 2'$ & .(-. /( "K3K/ : 'K0K 6 8 ( : 8% 8 : 8% ')?".! 8 6306 &9 0 @ / (( (P =3 3 (Q?( =0 (( (( (( / '0 &06 '0 8&06 8"06/ 8 '0 60 8 '% 60 /0< M ( ( ( =0 & .((-. .(-. 4-K !K-+! 4!K4 !K$1! 4!K4 !K$1! )3&",O:;. K$!K! K!K! K!K! ! + 1+ B:+!2,> B:-$/,> B:--/,> "( : 1! B8 "8 "8 1!7 ! -!71! -!71! !?1,!-?1!?- ,? +?$,+1,$ ! !$ φ1). φ+). φ1). φ1). φ)0. φ $)0. φ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pecifications Si42-107 +" Specifications & !4!0 ).?).?)-. !4!-"0 ).?).?)-. =3 2?6 = ?6 =3 2?6 = ?6 ',.-%. ',.(-%. .((-.2 .(-.2 !?-?- !4!!!? 4!!!? 4!!! -+4 !!?-+4!!?-+4!! $? ?$ 4!!!?-4!!!?4!!! - 4!!?- 4!!?- 4!! -1?-!?-! 4!!!? 4!!!? 4!!! $4!!?4$!!?4$!! $$?$ ?$$ 1-4!!!?14!!!?1-4!!! 4+!!? 4 !!? 4+!! ',.-%. ',.(-%. /( "K3K/ : 'K0K 6 : / 8% '! &! 8 6306 &9 0 @ / 3 '( )%. 3 (( $K4$!K !)362. $K41 !K !)362. )3&",O:;. -K$K! -K$K! !+ !11! 2/ 2/ -+ -$,-$ $$,$$ + + , $!,$! $ + φ+)2#0. φ1)2#0. φ)2#0. φ $)2#0. :):6. :):6. 2'$ 2'$ 2'$ 2'$ (P =3 (Q?( 2). =0 (( (( & .((-.2 /(! "K3K/ : ! 'K0K 6 8 (! : 8% 8 : ! 8% ')?".! 8 6306! &9 0 ! @ / (( (P =3 3 (Q?( =0 (( (( (( / '0 &06 '0 8&06 8"06/ 8 '0 60 8 '% 60 /0< M ( ( ( =0 & ! <( ;60 0 J ). ). )-. ! !- ! ! Specifications .(-.2 4!K4 !K$1! 4!K4 !K$1! )3&",O:;. K!K! K!K! + 1+ B:-$/,> B:--/,> "( : 1! "8 "8 -!71! -!71! !?- ,? +?$,+1?$ ! !$ φ+). φ1). φ)0. φ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pecifications Si42-107 -%/()* +" !4!-"0 ).?).?)-. .((-4% .(-4% .((-.% .(-.% =3 2?6 = ?6 =3 2?6 = ?6 ??1 +$4 !!?+4+!!?$+4$!! 14-!!?14!!?+4!!! -?-?1 + 4 !!?+14!!?+ 4!! 141!!?!4!!!?14+!! +$?+?14!!?14!!? 41!! -4+!!?-4-!!?!41!! 1?1?1 !!4-!!?!!4+!!?114-!! 4-!!?4!!?4!!! /( ',.(1-%4% ',.(-%4% ',.(1-%.% ',.(-%.% =3 (Q?( 2). =0 (( (( 4% .((-4% .(-4% .% .((-.% .(-.% (( : 'K0K 6 (P :& >& 8 ( =3 3 (Q?( =0 (( (( (( / '0 &06 '0 8&06 8"06/ 8 '0 60 8 '% 60 /0< !!K4-!K !)362. !!K4--!K !)362. )3&",O:;. -KK! -KK! !!! 2/ 2/ $ 1 ! φ+)2#0. φ1)2#0. φ)2#0. φ $)2#0. :-?):6. :-?):6. 2'$ 2'$ 2'$ 2'$ (P "K3K/ : 8% 8 : 8% ')?". 8 6306 &9 0 @ / 4% .% (( & /( ',.(-%4% ',.(-%.% 4% "K3K/ : 'K0K 6 : / 8% ' & 8 6306 &9 0 @ / 3 '( )%. 3 ',.(1-%4% ',.(1-%.% .% & !4!0 ).?).?)-. 4% .% M ( ( ( =0 & 4!K4 !K$1! 4!K4 !K$1! )3&",O:;. K!K! K!K! + 1+ B:/, B:-!!/, B:/,>" B:-!!/,>" "( : + "8 "8 -!71! -!71! $!?+ 1!?+ +1 ! φ+). φ1). φ)0. φ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pecifications Si42-107 Specifications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φ+)2#0. φ1)2#0. φ)2#0. φ $)2#0. :):6. :):6. 2'$ 2'$ 2'$ 2'$ (P & : 8% 8 : ! 8% ')?". 8 6306! &9 0 ! @ / ',.(-%4% ',.(-%.% 4% "K3K/ : 'K0K 6 : / 8% ' & 8 6306 &9 0 @ / 3 '( )%. 3 ',.-%4% ',.-%.% .% & !4!0 ).?).?)-. 4% .% M ( ( ( =0 & 4!K4 !K$1! 4!K4 !K$1! )3&",O:;. K!K! K!K! + 1+ B:/, B:-!!/, B:/,>" B:-!!/,>" "( : + "8 "8 -!71! -!71! $!?+ 1!?+ +1 ! φ+). φ1). φ)0. φ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pecifications 123 Specifications 124 Si42-107 Specifications Si42-107 Part 4 Remote Controller '( $ 3'(2'$ 3'(2'$+ - 3'(2'$ Remote Controller 125 Remote Controller Si42-107 5"" 126 5""9 Remote Controller Si42-107 Remote Controller 5""9/ 5 4 7 6 10 2 1 3 A 8 9 11 hr hr NOT AVAILABLE TEST 18 12 13 TEST 14 Fig.1 17 15 16 3PN02535-8L-0 NAME AND FUNCTION OF EACH SWITCH AND DISPLAY ON THE REMOTE CONTROLLER The illustrations in this operating manual correspond to the remote control format BRC1C type. 1 2 3 ON/OFF BUTTON Press the button and the system will start. Press the button again and the system will stop. OPERATION LAMP (RED) The lamp lights up during operation. DISPLAY “ ” (UNDER CENTRALIZED CONTROL) When this display shows, the system is UNDER CENTRALIZED CONTROL. (This is not a standard specification.) DISPLAY “ ” “ ”“ ” (VENTILATION/AIR CLEANING) This display shows that the total heat exchange and the air cleaning unit are in operation (These are optional accessories). A 4 5 DISPLAY “ ” “ ” “ ” “ ” (OPERATION MODE) This display shows the current OPERATION MODE. 6 DISPLAY “ TEST” (INSPECTION/TEST OPERATION) When the INSPECTION/TEST OPERATION BUTTON is pressed, the display shows the system mode is in. DISPLAY “ 7 hr hr ” (PROGRAMMED TIME) This display shows the PROGRAMMED TIME of the system start or stop. 8 DISPLAY “ ” (SET TEMPERATURE) This display shows the set temperature. 9 DISPLAY “ ” (TIME TO CLEAN AIR FILTER) Not applied on this model. 10 C DISPLAY “ ” (DEFROST) NOT DISPLAY “ AVAILABLE ” If indoor unit does not have a function, this 11 display is indicated when pressing buttons for the function. 12 13 TIMER MODE START/STOP BUTTON TIMER ON/OFF BUTTON INSPECTION/TEST OPERATION BUTTON 14 This button is used only by qualified service persons for maintenance purposes. PROGRAMMING TIME BUTTON 15 Use this button for programming “START and/ or STOP” time. TEMPERATURE SETTING BUTTON 16 Use this button for SETTING TEMPERATURE. FILTER SIGN RESET BUTTON 17 Not applied on this model. OPERATION MODE SELECTOR BUTTON 18 Press this button to select OPERATION MODE. NOTE For the sake of explanation, all indications are shown on the display in Figure 1 contrary to actual running situations. 3PN02535-8L-3 Remote Controller 127 Remote Controller Si42-107 "5""9/ ' 128 ' Remote Controller Si42-107 Part 5 Field Piping and Wiring 030 -! Field Piping and Wiring />!$4! 4!*). -! />?!*). '>!*5 $ '>!!*5?'>!*5 129 Field Piping and Wiring Si42-107 '" ',.(/?(1?(-6%8 @ 130 Field Piping and Wiring Si42-107 Field Piping and Wiring ,@ Field Piping and Wiring 131 Field Piping and Wiring Si42-107 #" @ 132 Field Piping and Wiring Si42-107 Field Piping and Wiring Field Piping and Wiring 133 Field Piping and Wiring 134 Si42-107 Field Piping and Wiring Si42-107 Field Piping and Wiring #$5" Field Piping and Wiring 135 Field Piping and Wiring 136 Si42-107 Field Piping and Wiring Si42-107 Field Piping and Wiring 4& Field Piping and Wiring 137 Field Piping and Wiring Si42-107 ',.F(-6%8 @ 138 Field Piping and Wiring Si42-107 Field Piping and Wiring Field Piping and Wiring 139 Field Piping and Wiring Si42-107 ,@ 140 Field Piping and Wiring Si42-107 Field Piping and Wiring #" @ Field Piping and Wiring 141 Field Piping and Wiring 142 Si42-107 Field Piping and Wiring Si42-107 Field Piping and Wiring Field Piping and Wiring 143 Field Piping and Wiring Si42-107 #$5" 144 Field Piping and Wiring Si42-107 Field Piping and Wiring 4& Field Piping and Wiring 145 Field Piping and Wiring Si42-107 .(- +$55%""!:";<", '>!*5 8;0&06 8;&/ !()9&06+!(. -!( %"; ! .(- 146 Field Piping and Wiring Si42-107 Field Piping and Wiring 57,!& :696, 6 6 (:=60 (6(0, <6, 6, 66 666( (6;6690 := 66 ; 6(( 66(0,;6; 6 ( ( -( ;# 669 )'0-. N 06(;0 6 ( 366, 6 46 =06(4 66 0 N :66(0 (046( 6G5H6%<;6( 46066( (( G5H 0 ( 6(4(366( G5H46 ();(-!(.:6( 60 ! 666600; =6 (6 09 (6(4 4; 600 ! 4"" Indoor unit Oil trap Gas piping H15m Liquid piping H Marks. Install trap at each difference in height 15m Outdoor unit (P1021) Field Piping and Wiring 6660666 147 Field Piping and Wiring Si42-107 .((-F.(- +$55%""!:";, &:%<%<@8:'& ! 560( 66#( ;0 ''@'<:<@3%'*'%/5' ! 2(0=6606(((;064 (((;06(((; 66 ;60; :"<@%'85&:<%5%':%<>:8 ! 5; 60=) .; 600360 6460 )46( 6; 60=. ! 6; 66#)8(( J!0. ! &06; 66;6;)(((06J! (. !- :=066; 669 )8((;06 J!(. ! 506;(6( 0 ! 0();6=6 .6=4;6(6 ;46906)&.6 1PN04787-1A-1 060 %5 '>!!C!:)>4:&4>&.'!!C!:)>4:&4>&. : :?:: /;:: 8((; &≥( 06 8((; &≤()+!(. 06):6 906. &78)&4&4&-.≥( &78)&4&.78)&-4&4&4&$. ≥( &78)&4&4&-.≤!( &78)&4&.78)&-4&4&4&$. )+!(. ≤!()+!(. 8((; 06; 6 8((; 06 ; 6 )< &≤&4 &-≤&4&≤&$. 8)&4&4&-.≤!( 8)&4&.78)&-4&4&4&$.≤!( &U&2≤!( &U&/≤!( &S8)&4&. &2S8)&4&. &S8)&4&4&-. &/S8)&4&4&-. )&7&$.U)&7&-.≤!()<. 8((; "≤-!( 8)"4"4"-.≤-!( &S8)&4&. &2S8)&4&. &U&2≤!( &S8)&-4&. &S8)&-4&. &U&≤!( &@S8)&4&$. &"S8)&4&$. &@U&"≤!( 8)"4"4"-4".≤-!( 8((; ; 6 "U"2≤!( 8)"4"4"-.S" 8)"4"4"-.S"2 "U"/≤!( 8)"4"4"-4".S" 8)"4"4"-4".S"/ 1PN04787-1A-2 148 Field Piping and Wiring Si42-107 Field Piping and Wiring %"; &*@,::4F558/">/':%< 60 (4 6 =6( 060 )' 60606;. 6 6 = ()< (. 60<00 - =;04 6 06 / 60<0 6 = (0 $ I 60) 600(.60(9 + %6 //:%<&"'@<@8%5<:%''@'<: ! 3606 (4 6060(6; 6 600(6; =6; =6 6; :6; 0)'6;. ! 604 606 0(69 )'6060. ! #0 600( % ')>.!!)>4:&4>&. ')>.!)>4:&4>&. 006 )(. '0# @ &9 '0# @ &9 : & & φK(( φK(( φ+K!1(( φ+K!1(( φ $K(( φ $K(( φ1K!(( φ1K!(( : &4& & φ1K!(( φK(( φ1K! (( φ+K!1(( φ1K!(( N φ1K! (( N &A&/;: & φ1K!(( φK(( φ1K! (( φ+K!1(( N φ $K(( N φ1K!(( &4& &-A&$ φ1K!(( φ1K!(( φ1K! (( φ$K! (( φ1K!(( φ1K!(( φ1K! (( φ$K! (( ).'>)"(. &9 %,06)&. 60()=0. # ( !( ( !( ( -!( -( !( ( !( )((. φ+ φ1 N N !! !+! !! ! ! ! !! ! ! -! -!! ! -! 1! !! $! ! $-! &9 %,06)&. # 60()=0. )((. ( !( ( !( φ$ φ1 Field Piping and Wiring ! ! !-! !! ! !+ !$! !! 149 Field Piping and Wiring Si42-107 1PN04788-1 AB /;: 66 600(6; 6 &Z&J6φ1 &-A&$J6φ$ A#$5"B " 60 600(6;) '>!*5. %,06 J&S$( :6 600( S-=0 4!F4" %,06 J&S$( J&S( J&S( :6 600( S-7!+7!+ S!=0 ,:"4! %,06 J&S$( J&S( J&S( J&-S$( J&S( J&S-( J&$S( :6 600( S-7!+7!+7!-!7!7!7! S+=0 150 Field Piping and Wiring Si42-107 Part 6 Field Setting 86 )'8 ?'. 0 - #@<0)A!"8%. + 0 08 52 - / 64B(2 $ - ' :;$ - (0 % $ -- 8 80$ Field Setting 151 Method of Field Set (Reset after Maintenance Inspection/Repair) Si42-107 +;'" 6+ F8 #$" (6( (4( ?4 06; 0 ( ):60(( 60 (6'6 (. 152 Field Setting Si42-107 Method of Field Set (Reset after Maintenance Inspection/Repair) '" 5"" Field Setting )0(;((6( 66 . ! 0 ;(; 6006G8(;H4G':%/<%H4G%</ %/<%H ! '60 0 A99/B 153 Method of Field Set (Reset after Maintenance Inspection/Repair) Si42-107 A9/B'',.7-%5"" 154 Field Setting Si42-107 Method of Field Set (Reset after Maintenance Inspection/Repair) "5"" Field Setting (6460(6; 60'6 ()6;=. 6 A9/B'',.7-%5"" 366((466G H;((( 4 6&/:8%/ 68%/<%66G H; - 66G H; 6':%/<% 66G H; 6%</%/<% 66G H;60: 66G H;6<%'8&8%/ 155 Method of Field Set (Reset after Maintenance Inspection/Repair) Si42-107 '" 156 Field Setting Si42-107 Method of Field Set (Reset after Maintenance Inspection/Repair) "*D6>()+"&"8 ! 0 # 6 ( %<?% 4660< 60;( ! :60<466 ( 4 %<?% "* D :5 "" 6 ?;6 (66((4 6G(H 506( ;46(<G!!H - 66 ?; 60< 5060((0(;460< 60)@< 6,!!4,!4,4,!!,4 :6%<?% 6 600(; ;6 60 6. 66(%<?%;6 0< $ 66 ?;6(( ∗66; 6 ( 04 4 6(<G-!H D #$5" Field Setting G4H *>' 0( 4( ( 60<4 60< # 46 6 157 Settings Concerning Maintenance Si42-107 + 9 ',.(/>(-6%83# 158 Field Setting Si42-107 Settings Concerning Maintenance .(-. Field Setting 159 Settings Concerning Maintenance Si42-107 .((H(-. 160 Field Setting Si42-107 Existence of DIP Switch, Jumper and BS #$ ,! ;?I59 4:" 8 2 : / 6 / F % /0 / '>!*5> '>!!C !*5> 11 !!$ B( / 8'@<> %%&? %<? % ": " 2 /- " " " " :6( 60 " " " ( /? / " " < / 62/)!*5(. V"58W EMERGENCY ON COOL FORCED DEF / PUMP DOWN ON BS1 OFF HEAT OFF 2 1 2 ON 1 DEF START CONDITION EV OPEN DURING DEF Note 3 DS3 DS1 (P1292) / 62/)')>.!!C!*5(. V":58W DEFROST STARTING TEMP. ON FORCED SERVICE DEF · PUMP MONITOR DOWN HAP H1P H2P BS1 OFF Field Setting BS1 DS1 NORMAL COOL HEAT SS1 EMERGENCY [GRN] [RED] [RED] (P1293) < 2;)(? 0. 062; ;6 6 0( : (,)00.462 ; ;69(6 0(466; (;#6(;#0(4 69 646 6 6 4 60 : 60660462;:6 6 ) 0. 366 (469(( 66 <-J'1G:( 0G( 161 Existence of DIP Switch, Jumper and BS Si42-107 #5 & #5 & > 6((; 600606(0 6). 6E;(G<(HG(0 H36 666 9( 0(:6;; ;( (0((0 8 /'0 />A* " N ! 86 60((0 #5 & & /(( 0(0 %6 666% J .(-5"K :66(0 6G%HG"H60 GH 0%;(66; = V":58W DS3 SETTING ON COOL ON COOL ON OFF HEAT OFF COOL COOL or HEAT OFF HEAT FACTORY SET FORCED COOLING HEAT FORCED HEATING (S1295) J .((H(-5"K :66(0 6G"H60GH 0%;(66; = V":58W <FORCED COOLING> NORMAL HEAT COOL EMERGENCY NORMAL HEAT NORMAL HEAT COOL <FACTORY SET> COOL EMERGENCY EMERGENCY <FORCED HEATING> (P1296) 162 Field Setting Si42-107 Existence of DIP Switch, Jumper and BS #5 & 6; 0(0 4 % 0-(40(0 ; 6; (0 4;(0 ;66 /(69((6( 0(0 (0 (, 46 ; 6( (0 :6;; (069(( (0 0 "0 ( ,3>F&F %< % %< %< %5 5 %< %< %< %< /0(0 6040 -(6), %. Field Setting 163 Existence of DIP Switch, Jumper and BS Si42-107 + + 6( 66 ?;((( 6( ( 606(4 66 ? ;((( - 6(< 6(<66?(0; 6< 6<66((:':?:%; 6 0 6()84. 6;; $ 60 )8. ;606(%<?%; + '6(( :6 ?;( 4:" 8 < ! %86 ('(/ 8 " > 6066 660((0(, ; / 66 / 60((0(, ; / 01 02" 60 - %< :6%< 6 0 6 600 0(06 G IH GIH; 5< 60 60< 6< 600 660((0(, ; %;( );; 6 6(( . 164 Field Setting Si42-107 Part 7 Function and Operation % $$ 5$$ %5 $+ % 6)'>!*5. $ 0?0(/% $ "0 +! - % 6)'>!!4!*5. + - 0?0(/% + - "0 + +$ 5+$ %5 +1 :6(:(' :; :6(:(' :; $ / $ 5/>!$A!*). $ %5'>!*58 $- %5'>!!C!*58 1+ Function and Operation 165 Function Outline Si42-107 ' &" ',. (Input) Indoor Unit (Output) Thermostat Control Suction Sensor Fan Motor Monitoring Function Heat Exchange Sensor Fan Operation Freeze-up Protection Function Heating Overload Control Emergency Operation Switch Defrosting LED Display Cold Air Prevention Function Remote Controller with Liquid Crystal ON/OFF Timer Setting Operation Mode Guard Function Operation Mode Sellection Thermostat Malfunction Detection Function (P1302) 166 Function and Operation Si42-107 Function Outline & .7- (Input) Outdoor Unit (Output) Compressor ON/OFF Control Outdoor Temperature Sensor 3-minute Standby Function Compressor Heat Exchange Temperature Sensor Defrosting 4-way Valve Discharge Pipe Temperature Sensor Forced Defrosting Fan Motor PS for High Pressure Protection 4-way Valve Control LED Display PS for Low Pressure Control Outdoor Unit Fan Control Overload Relay Overload Control Fan Motor Temperature Switch Indoor Unit Signal ∗1 Setting Switch & Jumper Wire Malfunction Detection Function Simulated Operation Function (P1303) 'G / 64B(2H$)∗. Function and Operation 167 Operation Flowchart (RY140KU) Si42-107 &'"! ;6.(-8 "F5,& Power Switch ON Initializing of Electronic Expansion Valve (See Section 6. 2. 4.) Start Operation Using Remote Controller. Operation Mode Judgment Heating Cooling/Dry Emergency Operation (See Section 6. 2. 9.) Four-Way Valve Control (See Section 6. 2. 1.) Is safety device in normal condition? NO Error Indication A YES B Thermostat ON Judgment Thermostat OFF Thermostat ON Startup Control (See Section 6. 2. 11.) C Is discharge thermistor disconnected? (See Section 6. 2. 7.) YES Is cumulative retry total 6? (See Section 6. 2. 5.) NO Is thermistor in normalcondition? NO Simulated Operation (See Section 6. 2. 10.) YES Is discharge pipe temperature high? NO YES Shutdown Due to Error Thermostat OFF (See Section 6. 2. 2.) A B YES NO (P1304) To ∗1 168 To ∗2 Function and Operation Si42-107 Operation Flowchart (RY140KU) *1 (Continued) Is outside heat exchanger temperature high? *2 (Continued) Discharge pipe high temperature thermostat OFF control (See Section 6. 2. 6.) YES NO High pressure protection control in cooling operation (See Section 6. 2. 12.) Low outside temperature control in cooling operation (See Section 6. 2. 14.) Is indoor unit YES under freeze prevention control? Thermostat OFF (See Section 6. 2. 2.) B ∆Tr= [Indoor unit suction temperature] – [Remote controller preset temperature] ≤0 NO YES Gas Shortage Error Indication NO Optimal discharge pipe temperature control (See Section 6. 2. 4.) Is EV opening appropriate in thermostat OFF? (See Section 6. 2. 8.) Thermostat OFF (See Section 6. 2. 2.) B Is cumulative retry total 6? (See Section 6. 2. 5.) NO YES YES Thermostat OFF (See Section 6. 2. 2.) Error Indication Thermostat OFF (See Section 6. 2. 2.) A B B Operation stop using remote controller (See Section 6. 2. 2.) YES NO C D (P1305) Function and Operation ( 6 (;$ 606$-46 016061+ 169 Operation Flowchart (RY140KU) Si42-107 ) Power Switch ON Initializing of Electronic Expasion Valve (See Section 6. 2. 4.) D Start Operation Using Remote Controller. Operation Mode Judgment Cooling/Dry Heating Emergency Operation (See Section 6. 2. 9.) Four-Way Valve Control (See Section 6. 2. 1.) Is safety device in normal condition? NO A Error Indication YES B Thermostat ON Judgment Thermostat OFF Thermostat ON Startup Control (See Section 6. 2. 15.) C Is discharge YES thermistor disconnected? (See Section 6. 2. 7.) NO NO Is thermistor in normal condition? Simulated Operation (See Section 6. 2. 10.) YES Is discharge pipe temperature high? NO To ∗1 170 Is cumulative retry total 6? (See Section 6. 2. 5.) NO YES Shutdown Due to Error Thermostat OFF (See Section 6. 2. 2.) A B YES Discharge Pipe High Temperature Thermostat OFF Control (See Section 6. 2. 4.) To ∗2 (P1306) Function and Operation Si42-107 Operation Flowchart (RY140KU) ∗1 (Continued) Is indoor heat exchanger temperature high? ∗2 (Continued) Is EV opening appropriate in thermostat OFF? (See Section 6. 2. 8.) YES NO High pressure protection control in heating operation (See Section 6. 2. 16.) Outdoor Unit Fan Control (See Section 6. 2. 17.) Defrost Control (See Section 6. 2. 18.) NO Operation stop using remote controller (See Section 6. 2. 2.) NO Gas Shortage Error Is cumulative retry total 6? (See Section 6. 2. 5.) Optimal discharge pipe temperature control (See Section 6. 2. 4.) ∆Tr= [Indoor unit suction temperature] – [Remote controller preset temperature] ≤0 YES Thermostat OFF (See Section 6. 2. 2.) YES Error Indication Thermostat OFF (See Section 6. 2. 2.) A B B YES NO Thermostat OFF (See Section 6. 2. 2.) YES B NO C D (P1307) Function and Operation ( 6 (;$ 606$-46 016061+ 171 Operation Flowchart (RY200, 250KU) Si42-107 &'"! ;6.((?(-8 "F5,& Power Switch ON Start Operation Using Remote Controller. Operation Mode Judgment Cooling/Dry Heating Emergency Operation (See Section 6. 3. 16.) Four-Way Valve Control (See Section 6. 3. 1.) Is safety device in normal condition? NO Error Indication YES B Thermostat ON Judgment Thermostat OFF Thermostat ON C To ∗1 (P1308) 172 Function and Operation Si42-107 Operation Flowchart (RY200, 250KU) *1 (Continued) Is outside heat exchanger temperature high? YES NO High pressure protection control in cooling operation (See Section 6. 3. 12.) Low outside temperature control in cooling operation (See Section 6. 3. 5.) Is indoor unit YES under freeze prevention control? NO ∆Tr= [Indoor unit suction temperature] –[Remote controller preset temperature] ≤0 NO Thermostat OFF (See Section 6. 3. 2.) Thermostat OFF (See Section 6. 3. 2.) B B YES Thermostat OFF (See Section 6. 3. 2.) B Operation stop using remote controller (See Section 6. 3. 2.) YES NO C D (P1309) Function and Operation ( 6 (;$-606$-$46 01+606!- 173 Operation Flowchart (RY200, 250KU) Si42-107 ) Power Switch ON D Start Operation Using Remote Controller. Operation Mode Judgment Cooling/Dry Heating Emergency Operation (See Section 6. 3. 16.) Four-Way Valve Control (See Section 6. 3. 1.) Is safety device in normal condition? NO Error Indication A YES B Thermostat ON Judgment Thermostat OFF Thermostat ON C To ∗1 (P1310) 174 Function and Operation Si42-107 Operation Flowchart (RY200, 250KU) ∗1 (Continued) Is indoor heat exchanger temperature high? YES NO High pressure protection control in heating operation (See Section 6. 3. 12.) Defrost Control (See Section 6. 3. 7.) ∆Tr= [Indoor unit suction temperature] – [Remote controller preset temperature] ≤0 NO Operation stop using remote controller (See Section 6. 3. 2.) Thermostat OFF (See Section 6. 3. 2.) YES B Thermostat OFF (See Section 6. 3. 2.) YES B NO C D (P1311) Function and Operation ( 6 (;$-606$-$46 01+606!- 175 Electric Function Parts Si42-107 #" ' ',.7-. />!$*> />! *> '( 2 ) . !! -[!--+,-\ 2 )5. 1- [- ,\ * -6!!F!+=3 8 880 6 8% ' '( />!*> 2' * -6!!F=3 &*,B:"!,$ !F -$ />*> />!*> 2'$ 2 ) . !! -[!--+,-\K 2 )5. 1- [- ,\K 8 880 6 8% ' :% -6!!F=3 :% -6!!F-+=3 &*,B:"!,$ !F &*,B:"!,$ !F $ $+ />! *>& />!*>& ',.7-.% '( 2 ) . 2' !! -[!--+,-\ 2 )5. 1- [- ,\ * -6!!F=3 8 880 6 8% ' '( &*,B:"!,$ !F - />*>& 2 ) . 2 )5. 8 880 6 8% ' 176 />!*>& 2'$ !! -[!--+,-\K 1- [- ,\K :% -6!!F=3 &*,B:"!,$ !F :% -6!!F-+=3 &*,B:"!,$ !F $ $+ Function and Operation Si42-107 Electric Function Parts ',.7-4% '( />! *:& />!*:& 2' 2 ) . 2 )5. !! -[!--+,-\ 1- [- ,\ * -6!F=3 &*,B:"!,$ !F 8 880 6 8% ' '( $! />*:& 2 ) . 2 )5. 8 880 6 />!*:& 2'$ !! -[!--+,-\K 1- [- ,\K :% -6!F=3 &*,B:"!,$ !F :% -6!F-+=3 "%,!,:"2 !F 1 ! 8% ' ',.7-%. '( />!$*> />! *> />!*> 32'$432'$ 2 ) . 2 )5. 8 880 6 8% ' 1- [- ,\ * -6!!F!+=3 * -6!!F=3 &*,B:"!,$ !F -$ '( />*> />!*> 32'$432'$ 2 ) . 2 )5. !! -[!--+,-\K 8 880 6 8% ' Function and Operation !!-[!+-1,\ 1- [- ,\K :% -6!!F=3 &*,B:"!,$ !F :% -6!!F-+=3 &*,B:"!,$ !F $ $+ 177 Electric Function Parts Si42-107 ',.7-%.% '( />! *>& />!*>& 32'$432'$ 2 ) . 2 )5. !!-[!+-1,\ 1- [- ,\ * -6!!F=3 &*,B:"!,$ !F 8 880 6 8% ' - '( />*>& />!*>& 32'$432'$ 2 ) . 2 )5. !! -[!--+,-\K 8 880 6 8% ' 1- [- ,\K :% -6!!F=3 &*,B:"!,$ !F :% -6!!F-+=3 &*,B:"!,$ !F $ $+ ',.7-%4% '( />! *:& />!*:& 32'$432'$ 2 ) . 2 )5. !!-[!+-1,\ 1- [- ,\ * -6!F=3 &*,B:"!,$ !F 8 880 6 8% ' '( $! />*:& 2 ) . 2 )5. 8 880 6 8% ' 178 />!*:& 2'$ !! -[!--+,-\K 1- [- ,\K :% -6!F=3 &*,B:"!,$ !F :% -6!F-+=3 "%,!,:'" !F 1 ! Function and Operation Si42-107 Electric Function Parts & . 8 ( '>!*5> B:+!2,> B" =" --3 " 6"06 2,/2 %J-!7!,)=0? (P@. %<J±)=0? (P@. 6"06 2,B2B " & *8 6& &2,B$ %J!!-±!!8 %<J!!±!!-8 80 6 "%,$,:' 8 % ' %5)5. 1!3 8 R& R& %5)&. %58 :6( !3 %J-±L %<J2!L ' ' 8 8 µ $µ %52 %2 )86B:%. 11 1$ ': ': :6()%. :6()" 60. :1-!: $! '-: :' :6()/ 60. :( :1+! :'"$' >' ,60F "F,!! '>!!*5> 8 B" ( =" " 680 "06 " & B:-$,> !3!F '>!!*5:& '>!!*5>& B:/, B:/,>" "%,-,:'"/ "%,-,:'"/ -- 2,B2*$ %J17!,!8 %<J$X!$8 6"06 2B2B %J-X!8 %<J$+X!8 *8 6& &2,B %J,!!-X!!8 %<J!!X!!-8 80 6 "%,-,:'"/ 8 % ' %5)5. -!3 8 R& R& %5)&. %58 :6( 1!3 %J-±L %<J2!L ' ' 8 8 µ µ %52∗ %2 !!$ 1$ ': ': :6()%. :6()" 60. : $!: $! :' >' :( ,F)2. :'"$' F"$!!! :'8$' ,F). &2$!! !,!F &2$!!$ !!F Function and Operation N 1$ :'"$' 179 Electric Function Parts Si42-107 '>!*5> B:--!/,> 8 ( B" " =" 6 "06 " 6"06 2B2B %J-X!8 %<J$+X!8 6& &2,B %J,!!-X!!8 %<J!!X!!-8 & '>!*5:& B:-!!/,>" $ +3!F 2,B2*$ %J17!,!8 %<J$X!$8 *8 80 6 % ' &*,!B:", 8 8 %5)5. %5)&. -!3 1!3 R& R& ' %58 :6( 8 %J-±L %<J2!L µ ' 8 %52∗ µ !!$ ': %2 :6()%. 1$ : $!- ': :' :6()" 60. :( : $! :'!"', >' ,F)2. ,F). F"$!!! &2$!! !,!F 180 '>!*5>& B:-!!/, &2$!!$ !!F Function and Operation Si42-107 Thermistor Temperature and Resistance Conversion Table 4;545 <4:" 4;545 < 4:" 4:" :()L. 4'( 4" 60) 5.4%4 % 4)=Ω. :()L. 4'( 4" 60) 5.4%4 % 4)=Ω. :()L. 4'( 4" 60) 5.4%4 % 4)=Ω. ,$! ,! 1! + $! ! -! + - ! !! !$ ,! !! +- $$- !! ! -! ! ! 1 1 ! ! 1 ! $! ! 1 $! ! + $! ! 1 - ! -!! +$ $ !! ! + $1 !! ! ! -$ -! -! -$ ! $! $ + ! -- -$! ! - 4:" :( )L. / 60 )=Ω. :( )L. / 60 )=Ω. :( )L. ,$! ,! !! !! !! ! + !1! 1! 1$! ,! !! 1 $ !$ ! $! !! 1 ! ! + $ ! !! $! ! +$ -! !! ! :( )L. / 60 )=Ω. !! ! -1 1 ! !!! -1 - ! $! -+ - 1 + - !! !! ! !! -- ! ! + $$+ !$! ! ! ! ! ! ! -! 1 + -1 $! ! $$ +! !! ! 1$ 1! $! ! + $ ! $! -1! -- $!! $! 1 ! $! ! $!! $! - ! !! - 11 $! $$! ! ! !! +$ + $! $$! ! ! $$ $ ! +!! -1! -$- ! ! $+ $ $ ! +!! ! 1 $! ! ! !$ +! +! --+ - $! ! $! + +! +! 1 -!! -! $ - +$! + ! 1 + -!! -! +$! + ! + $ -! -$! ! ! !! ! -+ -! -$! $ !! - ! 1- 1! $1 - ! - Function and Operation / 60 )=Ω. 181 Function Details Si42-107 / ' ," / ',.(/>(-6%8' " / 5' ! 4;: 5 !5:"! &75 ()4!75():"! ();"" Fan motor Remote controller Heat exchanger thermostat Outdoor unit PCB Suction thermostat (P1312) ?();"" ! % 6 6 606(96 6( ! %' 6,( 366%;6(46% ! :6(;2;6( 6( Fan motor Heat exchanger thermostat Remote controller Outdoor unit Suction thermostat PCB PCB Outdoor unit (P1313) ! D " @ ; 6!"),(. !"),(. ;60 / 45!;5"" :(006( 0(; :(00 182 0 ! ) . ,-L "0 ,-!L Function and Operation Si42-107 Function Details / 45"")& ! ;5 " ;5";""!5 ! 6( )∆:.;6 ( (:6 6 ( ∆:S (,( ! 366 6∆:4(60 () 0 "0 ON ON OFF OFF Set temperature +1˚C –1˚C Set temperature (P1314) (P1315) ()6',.7-%5""8 ( ?"60% ()64!758 0 "0 ON ON No.1 System No.1 OFF System OFF ON OFF No.2 System Set temperature ON No.2 System OFF +1˚C +2˚C +3˚C (P1316) –3˚C –2˚C –1˚C Set temperature (P1317) %?() ;""6!7585 "!;<"L ∆45; Function and Operation 183 Function Details Si42-107 / '*7 " 046 ( ;6 (!( 66 60(L4 ( 6,L0 ( :6#, ;6 ( ! (+L606 Indoor unit heat exchanger temperature condition (Te) 7˚C 1˚C –5˚C Freeze-up protection control Reset when operating continuously for 10 minutes Thermostat-OFF when operating cumulatively for 10 minutes Thermostat-OFF when operating continuously for 1 minute (P1318 / ," ! ;5";""!5 ! !" 6 Starting hot start Cancelling hot start Heating Thermostat-OFF Defrost Fan output ON OFF (P1319) :606 :666 6(66 ∗:66(6(,% ! 4!" 6):,(( 6. 2 4( 06 06( :60; 0 <( <( "0 "0 :6(,% / %< %< %< :6(,% /0 %< %< %< %∗ %∗ % ∗(6(,%46366(0 464606 ! ) 60 (466 666 60( 6-L606 184 Function and Operation Si42-107 Function Details // "% ' 6046 666 60 ( 6-L606(6 (%< 34˚C Indoor unit heat exchanger temperature ON Indoor unit fan OFF (P1320) /0 )&<"" 6046 ( ;6-(6 6 60( 6 L606606 6 :6 (666 60 ( (-L *1 Outdoor unit high pressure control PS Low pressure High pressure 3 minutes 58˚C Indoor unit heat exchanger temperature 43˚C 3 minutes ON Compressor (P1321) OFF /1 D" (6 00 ( 8< 0 6< 1 0< <0 ) 0. @ ! ! <660 0!" 6 +"<!75 6(6(( (6(4 66 D":%"5"" 5$ ; ;00( :6 (()( (.(( ; ;06666 6 (( Indoor unit Indoor unit Indoor unit Indoor unit Address (0001) Address (0010) Address (0011) Remote controller Address (0000) (P1322) Function and Operation 185 Function Details Si42-107 /G '" 0 6( 66( 6 ; (( 0( 0 6 <( &0 !!6 !!6 06 !!6 !!6 0 ; 606( /( ,5" ! 6(9660( <%< " 6(0 6 66(,%).6066 + !" !" / %:5" ! 36 0;(460; () 36;( 460; :6(,%):6=0. 8 6 ( ?() 36(;( 460; :6(,%6(00;():6=0. 6(,%6(00;( - 8 6 ( ! 36(;( 4!"),(( 6.4 060 6066 ;0 (( ' G%<?%H;6( 6 0G(0 H6;; )6(4 & 0. - 6G%<?%H;6( 8< 0 6< 1 0< ! <0 ) 0. ! →@ :6 06((4;6 6( =06( 6;(( 186 Function and Operation Si42-107 Function Details / 5""4;5 '( 6(9( 6G( 6(H (46( 6((; VW 366( 6(( 366( 0 ) 0(%<?%. - 36 0(6( ( 60#( 6(6;0( ) 06( ( 366 ( (4( 6( ;. / %7' 6 6604( (6(0 (66 36(0( 6;64;6( E%<?% 6% 606 666%<?% 6%<0; 6G( H 60 ((46( 06(6 ; = Function and Operation 187 Function Details / Si42-107 &.(-+" / 7!3"<" , 66060 60 0 ,%<J/060 60 ,%J/0 040(0 / &?4;5" 4;5 " 2 6(%<?% :6(%<6∆:L :6(%6∆:!L /0/0 → '(( 6((0% ∆Tr 1˚C 0˚C Thermostat ON OFF (P1326) ∗ '00∆: 0 ∆:S ():.,:(;( 60 ∆:S:(;( ,: 5 ;! & ! 3666(%6((46 ( 6 ! 366;( 6( #; 4 6 ( 188 Function and Operation Si42-107 Function Details / )F, ' 6"& 66 (046 ( ;00;-()/0 4& 6 ((0%( . 6(( $((6( ;( 4( / #" #$3"<" #" #$ 3"<"* ;! 0646 E0 06! 6 , ; 45 :6( 60( 0 6 60(46 60(4 (466 ;0 66 60 ( 66( 60( %( 60(, 60(V!L)6. →8 %( 60(, 60(W!L). →8 / %:5"");, ;45 60606(6(%:) 606(. ($( (4 ;( 60( & " 0J/ 60(V6 60(7!L ( "0J/ 60(V6 60(7!L ( // , ;);454;5&''" 60(:(;-L!! 4 ;!L! 466(% /0 4, 4;5&''" 6 606((; (60( 6 (466(% /1 @D+" 3666(%;(606 60(4 = 0( 606!(% 6 =0& =0( ; 6 =;( /G #5 & ! <0(;6 ! (0 ;6 ;6( ! 66 ;;6 (0 :6E ;6 606 0? 60( ! 6040 6 Function and Operation 189 Function Details Si42-107 45; /( 5"&' 66(6 606(( 04 ( 6( 6( ) ( 6 606( . / "" :60( 06():. 66066 %:():. :≤-L F( % -L≤:V!L !L≤:V-L &F( "F( :W-L ""F( ∗J%0 -( ∗ : 5660(-( &' 4 190 : !A+ !!A % ). % 5)8. % &)8. % & " & " & " & " "" "" "" "" Function and Operation Si42-107 Function Details / ); ""& ! :66(%((;" 06 6 60(): .6 ;. / :!<" ! ; (00 (0 = 6%46 = 6 ; 60( Crank Case Heater (CH) ON OFF 70ºC 75ºC T2: Discharge Pipe Thermistor Temperature (P1331) ! 366 6) 06( .46 = 6%<6:≤+!] ! 366 (46 = 6(% ! :60 6;( 6 606( (,→= 6%< (→= 6% / !&45""&6.7 "8 :6( #066 606)&.6 60( ):. 0 46(;)--,!K( (.46 6G&H:6-L Function and Operation 191 Function Details Si42-107 '" / '")& :60(6; 06( : !A+ % ). % 5)8. % !!A &)8. % & " & " & " & " "" "" "" "" ! 5660(( ! 366(!L46("6 6(%& )% ( . Y& -( // ); ")& ! :66(%((;" 06 6 60(): .6;( 192 Function and Operation Si42-107 Function Details ;. /0 &'"6)&<"'< "8 :6(6606 066 60(): . ;. Indoor unit heat exchanger temperature (Tc) 62+CTc OFF OFF OFF 57 L L 55 H L L 52 48 L H 46 H HH Temp. Area A Temp. Area B Temp. Area C (P1336) ∗: J7-]AU-] Function and Operation 193 Function Details Si42-107 /1 , , ! "" /066 6;# ' ! :6 (6;0(( 660 (0 ! :6 (6;0 (( ! :6;6% ! "00 (6)<.406 (6-6)<. ! %6 60(VU-L 6 60(≤!K(UL)<-. ' ! :6 (6;0-!(( 660 (0 ! :6;6% ! %6 60(VU-L 6 60(≤!K(UL (6!( "00 0 ; 06604 60;6 (0( 6( 60 604( ; 60!(6 - 6( 60 6040(; (L606 194 Function and Operation Si42-107 Function Details " /060409(;660 6 ;#:6 (60 /0 ( %;00 00 6 0 /0 ( %; 00 60 $ "; ! )! (> 1L(>L.(6(04 66 60( + 00 % 46I((0 6 60(00 ' 60(J 06 ' 606 60(J ! 45 !'$0 ! , 5" / !( 60 (0 6;0 (0460 %6 60(≥!L / 60(W!L Function and Operation 195 Function Details Si42-107 ! ) ' V (W M & M 196 ! ( ! ( (;(W1L ( WL 26 60(W-$L " 60(W L 6 Function and Operation Si42-107 / Function Details &.((H(-+" / 7!3"<" , 66060 60 0 ,%<J/060 60 ,%J/0 040(0 / &?4;5" 4;5 " 2 6(%<?% :6(%<6∆:L :6(%6∆:!L /0/0 → '(( 6((0% ∆Tr 1˚C 0˚C Thermostat ON OFF (P1342) ∗ '00∆: 0 ∆:S ():.,:(;( 60 ∆:S:(;( ,: / 7+:' -(( (%46;466(%< ( / 5&''" #0 366 (00/0(4 (#0(66( %6 (∆:046 6 (%< 4;0 :6 ((%6#0 "06060 366 (0"00(4 ("06060(66( %6 (∆:046 6 (%< 4;0 :6 ((%6"06060 Function and Operation 197 Function Details Si42-107 / ."" );6;6 0(6((. 366(6 (;+L06(%< 0 G0(H460 J %%4666"9 <RY200KU and RY250KU> H Outdoor fan MF1 OFF H Outdoor fan MF2 OFF 3 deg.˚C 17˚C High Low Atmospheric temperature (TA) (P1343) // &<"");&45,) & );66((. :6 ;%<?%6")".06(%< 60(46;<4646 00 ON Compressor ON command from indoor OFF ON(close) Outdoor HPS (S2PH) OFF(open) H MF1 OFF H ∗ MF2 OFF tm1 tm1 tm1 tm1 ON Compressor OFF (P1344) 198 :6%66%"4(6 % 46 66"9)68. :(J/%< (%)(S . Function and Operation Si42-107 Function Details /0 ,' );66((. 0 660) 660(.J Startup or end of defrosting (A) Check of defrosting start conditions (B) Defrosting operation (C) Control for delayed ON of outdoor fan (D) (P1345) 6%8;:, 366 (%<(660(60 !(4 6 =0 6;( 698; @ 66;()!(.4 6 =6660 6 J %' Z 06(6-6 )Y; 66; 600 6. :6(%<(6! :6(%< ( %6 606(( Z %' & ( Te≤0˚C Te≤0.4Ta-10˚C changing SW & ( Te≤0˚C Te≤0.4Ta-6˚C %6 606(( %")". %< TR (heat exchanger temperature) 15˚C TA (outdoor temperature) –6˚C 6 α= 10 α= –10˚C Te = 0.4×TA - α α=6(Can be switched to α = 10 by changing slide switch.) Area shaned with horizontal lines at left: Defrostion can be started. (P1346) 68, 6 6000J (%< ,% % 6,8# 3660 600460J !(6 60 " 60(:'≥ !L - % " )%<→%. Function and Operation 199 Function Details Si42-107 6#8 ""& 366(%<6046%<- ( ON Compressor OFF ON Defrost operation OFF ON All outoor fans OFF 3 sec. End of defrosting (P1347) /1 ' ,' 3660 6406 06; 6 )2.6;0(06).6;0 )2.6 =0 J "0 (%< % "%< - " 60(: ≤ !L <(;9$( ( 2( :6 0 06(6(0 -.; /G ,"5&&'&'' :6 (6%<?%46;J ON Thermostat signal OFF from indoor ON Compressor OFF Outdoor fan ON OFF 2 sec 2 sec (P1348) 200 Function and Operation Si42-107 Function Details /( "9% , 0 ;;(60(& 00((60J Defrosting under way. Normal heating Compressor Normal heating ON OFF ON 4-way valve OFF ON Outdoor fan OFF td4 (3 seconds) ON LPS bypass OFF 10 minutes (P1349) / 5!' 366(6; 6)2.646 (6(( 066066 46 6&)&. 6(6 ( (;( :6 4( ( Pump down input ON Depression of BS2 OFF ON Compressor OFF Outdoor fan ON 2 sec 2 sec OFF 4-way valve OFF Protective device (LPS) ON Normal b (P1350) Function and Operation 201 Function Details Si42-107 / )F, ' A 6.8((-5"B ")". 6 (046 (;0 ;-( 6(( (6-!((6( 4( - Press of ON/OFF switch (to OFF) ON From indoor unit OFF ON Thermostat ON under way First Second Third HPS OFF ON Compressor OFF Abnormal Normal 3 minutes 3 minutes 30 minutes Necessary for recovery check action (P1351) &)&. 6 (04( A 6.8(-5"B ")".&)&. 6 (04 ( - 202 Function and Operation Si42-107 Function Details / 5"&' 66(6 606(( 04 ( 60 6( 6 ( Normal operation Malfunction of thermistor Stop by malfunction Stop resetting ∗1 Operation signal ON ∗1 Dummy temperature setting operation Stop operation ∗1 Operation signal ON ∗1 ∗1 signal from indoor unit. (P1352) A,5555"B 0 %(L %6 60(!L 60 %(+L %6 60(,-L / , <; 6 =6664 ((( / , '"")6)5+""8 4%<%6 "( %46 "=( :6 (06 // #5 & ! 66 ;;6 (0 :64 ;6 606 0? 60( ! <0(;6 ! (0 ;6 ;6( ! 6040 6 Function and Operation 203 Function Details 204 Si42-107 Function and Operation Si42-107 Part 8 Troubleshooting 8 !+ %(% !+ ""'98 ! 6 ! - :;6029( - - -- - -$ -+ - -1 -! - :;6029( 9(% %4;( 0?"0%;(( 9(6/4 ;'36 9(%;0 + 9(%;"0 1 9(/ 60368 9( &<6= 9(/ 60/'(&//D D ,/0;'( :6<:%<?::2 ,/0;3'($ - '(/8 1 ,/0;&/-! :;60;&/:65E -! :;60;&/:6%5E2 - $ :;60;'(/?&//- $ $ $$ $ $$ $+ $ $1 $! $ $ $$ $ $$ $+ $ $1 Troubleshooting (;- 8 &//:;-52 - 8 " 60:(( -$ 8 :((-+ 8 '(:6( / -1 / ! %52 "06()".8 &()&.8 8 F / 60:(8 8 "06 6$ 8 & 6 + 8 %:(( 8 / 60:((1 8 " 60:(( ! 6@8 205 Si42-107 $! '6 $ 8 :()2%5.$ 8 :( )25'(. $ $- :(28'( ;'(+ $ 0 6 206 Troubleshooting Si42-107 Maintenance Inspections + &5"& D &5" & :6060 ;606 ;6( 06;;'>+A* (6; ' N)O& "06 )8. & )8. $A1 )$A1. $!"# +A! )+A!. !-1A!1 )!A$!. !-A! )-A. 0 !"# "0 !"# A $ )A1!. $!"# $A! )$A!. !1A! )-!A. !1A! )-!A. 5 / 60 J :( / :( )L. 2 )L. %5 J / 2 :( :( / 60 / 60 :( :( )L. )L. $!A1 !A +!A ,A! A1 ,A $!A ,$A A +A A-! A$ 006=0? (P 0% 5 +L/2?1L32 %5 -L/2 "0% !L/2 +L/2?$L32 ! /0( 466; =4 ( ;6G H 6 36(0( 46(60 Indoor unit To dedicated breaker Transmission wiring between indoor and outdoor units What about switch capacity? What about cable thickness? What about voltage and current? To dedicated breaker Refrigerant piping (Liquid + Gas) Drain piping Outdoor unit Earth (P1668) Troubleshooting 207 Maintenance Inspections "%7 E & F Si42-107 366 ((((#6;; )8(A!((. ;" , 0 6 5? % %50 6 %5? % 8'0 & & "06 & '0 & & & & "06 "06 "06 "06 "06 "06 "06 "06 "06 38'0 /8'0 ∗& ∗& & & & & & ='0)@. 5 ( & ∗"06 & & & & ;) , 208 & "06 '0 0 6 5? % "06 "06 "06 "06 "06 "06 %50 6 %5? % & & & & & & 8'0 38'0 "06 ∗& "06 & "06 & /8'0 & ='0)@. ∗& & & & & & 5 ( ∗-"06 & & ∗360#6 ;4 ; 6(6(( ∗/60 0604; 6( 6(( - ∗-;606; (06 Troubleshooting Si42-107 R-22 (kg/cm2) MPa 20.4 2.0 15.3 1.5 10.2 1.0 5.1 0.5 0 0 R22 Gauge Pressure < Maintenance Inspections --40 --20 0 20 40 60 Temperature C Troubleshooting 80 100 120 140 (P1354) 209 How to Handle Request for Maintenance Si42-107 )!)"=+ '"!; 6 060 669 (6 ( Ask for the character code of the malfunction code. Turn the power supply switch ON or replace the fuse. Wait until power failure is over. Refer to "Remote controller display malfunction code and contents". YES Units equipped with liquid crystal remote controllers only YES YES Doesn't run at all Is there a power failure? NO The power supply switch is NO OFF or the switch's fuse is burnt. YES Runs Units equipped with liquid crystal remote controllers only Set the remote controller's temperature setting to: (1)When cooling:Minimum (2)When heating:Maximum Is the remote controller's operation NO lamp blinking? Machines equipped with wireless remote controllers only. Doesn't run Is the operation lamp of the indoor unit's signal receiving section blinking? Ask for the character code of the malfunction code. YES Units equipped with liquid crystal remote controllers only Cooling starts but stops right away. Is the remote controller's operation lamp blinking? NO Cooling Units equipped with wireless remote controllers only Is the operation lamp of the indoor unit's signal receiving section blinking? Heating Nomal The unit won't run again for a while after stopping. Try turning the Operation switch OFF and On. Did you allow 3 minutes to elapse after turning ON? NO Runs Is there something causing the indoor load to be large, such as an open window or door? Measure the suction /disharge temperature. (11) Thermostat is broken. (12) The cool/heat selector is broken. (13) The operation switch is broken. (14) The compressor's magnetic swich is broken. (15) Over-charged with refrigerant. (16) Air is mixed inside the refrigerant circuit. (17) The pressure switch is broken. (18) The outdoor unit fan motor's magnetic switch is broken. (19) The outdoor unit fan motor's auxiliary relay is broken. (20) The outdoor unit's heat exchanger is dirty. (21) There is something blocking the outdoor unit's air flow. (22) Malfunction of the outdoor unit's fan. (23) The indoor unit's air filter is dirty. (24) The indoor unit's heat exhanger is dirty. (25) There is something blocking the indoor unit's air flow. (26) Malfunction of the indoor unit's fan. YES Operation is normal. The unit runs but doesn't cool the room. NO Units equipped with wireless remote controllers only Is the operation lamp of the indoor unit's signal receiving section blinking? Ask for the character code of the malfunction code. Nomal The fan comes on but the compressor doesn't run. Is the remote controller's operation lamp blinking? (1) The operation circuit fuse is disconnected or is making poor contact. (2) The operation swich is broken or its contact is defective. (3) The high pressure switch is broken. (4) The fan motor's magnetic switch is broken. (5) The fan motor's overcurrent relay is being actuated or is broken. (6) The compressor's overcurrent relay is broken. (7) The compressor's protective thermostat is broken. (8) The electrical system insulation is defective. (9) The compressor's magnetic switch's contact is defective. (10) The compressor is broken. YES Temperature differential is 8~18˚C NO (Temperature differential =suction temperature - discharge temperature) (27) Overcurrent relay (for compressor) (28) Compressor's protective themostat (29) The causes for the overcurrent relay (for compressor) being actuated are: (29)-1 Power supply voltage is lower than prescribed. (29)-2 High pressure is too high. (29)-3 The power supply cord is too small. (29)-4 The compressor is broken. (30) The causes for the compressor's protective thermostat (30)-1 Internal leak of the-4way valve (No substantial difference between suction and discharge temperature. (30)-2 Unsatisfactory compression from the compressor (30)-3 Defective refrigerant (30)-4 Malfunction of the expansion valve (30)-5 Unsatisfactory refrigerant circulation Operation is normal. Is there something causing the indoor heat load to be large, such as an open window or door? The units runs but doesn't heat the room. Measure the suction /discharge temperature. YES Temperature differential is 14~30˚C (Temperature differential =discharge temperature - suction temperature) NO OK.We'll be right over. (Maintenance required) (P1355) 210 Troubleshooting Si42-107 Troubleshooting Based on Equipment Condition 4:";9#=5 4:";9#=5 '( 0 - 4; ( 0 0?60; 0 (( 9(64 ; 0 6 9(; 0 + 0 $ Troubleshooting 9( 9( + 9(; 0 1 60 9( 606( 0 1 9( 6= 0 9( 60 0 - ! '( &/G 9(( 60 H 0 '(( 0 (6 6066 (; ( 211 Troubleshooting Based on Equipment Condition Si42-107 #=5& %" :"+" />,*). #, +; #D :" ! ! ! ! ! ! ! ! ! ! ; 6 606 6 (0 6( ( ( ( 6( ( (0 6 ( 8 ( 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is power switch OFF or fuse for remote switch blown? YES Turn on power switch or replace fuse. NO Is there power outage? YES Wait until power returns. NO Is operation switch pressed repeatedly? YES Is operation lamp on LCD remote controller flashing? NO Is thermostat changed and restart again? NO YES YES Normal. Equipment starts operation 3 minutes later (3-min standby). Diagnose based on error code on remote controller. NO Wireless remote controller Is operation lamp on indoor unit signal receiving section flashing? Normal. Equipment starts operation 3 minutes later (3-min standby). YES Diagnose based on error code on remote controller. NO Possibly faulty electric component Check electric system. (P1356) 212 Troubleshooting Si42-107 Troubleshooting Based on Equipment Condition '&?:5 %" :"+" />,*). #, +; #D :" ! ( ! (0 6 ( 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Make the following temperature setting using remote controller. (1) Cooling: Lowest setting (2) Heating: Highest setting YES Does equipment operate? YES Normal. NO Is operation lamp on remote controller flashing? YES Diagnose based on error code on remote controller. NO Is operation lamp on indoor unit located near wireless remote controller signal receiving section flashing? YES NO Is outside temperature above allowed operating range? YES Equipment cannot be operated in this condition. NO Possibly faulty electric components Check electric components. (P1357) Troubleshooting 213 Troubleshooting Based on Equipment Condition Si42-107 "F)&: 55" %" :"+" />,*). #, +; #D :" 4:"; ! ! ! ! ! ! ! ! ! ! ! ! 600 0( 6 (0 6( ( 6 60 :60( 8 6 60 :6(0( 8 Is the operation lamp of remote controller flashing? YES NO Diagnose based on the error code on remote controller Indoor unit [ Heating: Cooling: Outdoor unit [ Does the fan rotate? NO YES Is the filter soiled? YES Malfunction of fan motor Check the magnetic switch and aux. switch for fan motor Cleaning NO Is there any item disturbing airflow? YES Remove the disturbing item NO Is the heat exchanger soiled? YES Cleaning of the heat exchanger NO Possible causes as follows: * Refrigerant overcharge * Mixing of air in refrigerant system * Faulty pressure switch After vacuum drying, charge correct amount of refrigerant Check the pressure switch (P1358) 214 Troubleshooting Si42-107 Troubleshooting Based on Equipment Condition %#=5;,!? : ;" %" :"+" />,*). #, +; #D :" Troubleshooting ! % ) (. ! ( 6( ! % ( 60 &0 606 ; 8 ( ! ( 6(( 60 =0,):6 ; (. ( ( 0 000 ; 0 215 Troubleshooting Based on Equipment Condition Si42-107 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn the operation switch ON and OFF, then wait at ON side. Does the unit start operation after 3 minutes? YES [Electric system] Power supply voltage is NO within ±10 % of specified voltage. NO Is the discharge side of compressor hot after unit operation stop? YES Check on the cause why overcurrent relay (for compressor) or compressor protection thermostat acted. NO Not so hot YES Is the size of power cable through total length correct? [Refrigerant circuit] Normal. Unit is in 3-min standby mode Contact power company Check compressor NO Replace power cable YES After vacuum drying, charge correct amount of refrigerant. Then, start operation again. Is there any temperature difference between inlet and outlet of capillary tube? YES NO Is there any temperature difference between NO suction side and delivery side offour-way valve? Clogging of capillary tube Four-way valve malfunction YES Malfunction of compressor Check compressor (S1359) 216 Troubleshooting Si42-107 / Troubleshooting Based on Equipment Condition #=5&:<" %" :"+" />,*). #, +; #D :" Troubleshooting ! % ) (. ! ( 6( ! % ( 60 &0 606 ; 8 ( ! ( 6(( 60 =0,):6 ; (. ( ( 0 0 217 Troubleshooting Based on Equipment Condition Si42-107 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Measure the temperature of suction air and discharge air. Temperature difference = Suction air temp. – Discharge air temp. Temperature difference for cooling should be between 8 and 18 ˚C. YES YES Normal. NO Possible causes as follows * Incorrect selection of model * Affection of direct sun NO Does any frost generate around inlet port of indoor unit heat exchanger or outlet port of capillary tube? Does the heat load increase after installation of the unit? YES Is the operation current less than specified level? Additional unit installation should be considered YES NO NO Gas shortage possibly generates trouble. Does indoor unit discharge flow rate down? YES NO Is the level of high pressure higher than normal level? NO Possible causes as follows * Insufficient compression of compressor * Insufficient circulation of refrigerant * Faulty expansion valve 218 YES * Clogged air filter * Soiled heat exchanger * Malfunction of fan motor Possible causes as follows * Refrigerant overcharge * Soiled heat exchanger * Short circuit of discharge air * Disturbing item in air flow * Malfunction of fan motor of outdoor unit After vacuum drying, charge correct amount of refrigerant. Check each section Check each item Check each item (P1360) Troubleshooting Si42-107 0 Troubleshooting Based on Equipment Condition #=5&:<) %" :"+" />,*). #, +; #D :" Troubleshooting ! ! ! ! ! ! ! ! ! ! ! ! 600 0( 6 (0 6( ( 6 60 :60( 8 6 60 :6(0( 8 219 Troubleshooting Based on Equipment Condition Si42-107 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the unit in defrost mode? YES Wait for a while. No abnormality NO Measure the temperature of suction air and discharge air. Temperature difference = Suction air temp. – Discharge air temp. Temperature difference for heating should be between 14 and 30 ˚C. YES NO * Incorrect selection of model * Affection of sunlight NO Is the operation current less than specified level? NO Does indoor unit discharge air flow rate down? YES YES NO Is the level of high pressure lower than normal level? NO * Insufficient compression of compressor * Insufficient circulation of refrigerant * Faulty expansion valve Does the heat load increase after installation of the unit? YES Gas shortage possibly generates trouble. YES No abnormality Additional unit installation should be considered After vacuum drying, charge correct amount of refrigerant. * Clogged air filter * Soiled heat exchanger * Malfunction of fan motor Check each item * Refrigerant overcharge * Soiled heat exchanger * Short circuit of discharge air * Disturbing item in air flow * Malfunction of fan motor of outdoor unit Check each item Check each item (P1361) 220 Troubleshooting Si42-107 1 Troubleshooting Based on Equipment Condition #=5, ;;+ %" :"+" />,*). #, +; #D :" ! ! ! ! ! "( 6( 6 60 00 8 ( 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the room temperature higher than set value in cooling operation? YES NO Continue unit operation. Is white fog coming out from the unit? NO Normal YES It may be necessary to remove the source of humid condition. Is the heat exchanger of indoor unit soiled? YES Remove the source of humid condition. Cleaning of heat exchanger is necessary. NO Is the site dusty or with dense oil mist? YES Dust or oil mists should be removed. Remove the source of oil mist or dust. NO Is the airflow rate too small? YES Possible causes as follows * Clogged air filter * Malfunction of fan motor Cleaning of air filter Check fan motor NO Did the trouble generate on switching to heating mode after complete of defrosting during heating? Normal (Fog is generated due to defrosting operation) (P1362) Troubleshooting 221 Troubleshooting Based on Equipment Condition G Si42-107 #=5 ;@ %" :"+" />,*). #, +; #D :" ! 600 ! 0( ! 60060)6. 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Does the noise generate with vibration of whole ceilings and walls? [Installation work side] YES Correction of installation Reinforcement for ceilings or NO Does the noise generate with vibration of unit mounting section? YES Continuous YES slight noise of "shoo....." during cooling or defrosting NO Is the piping secured? NO YES NO Does the pipe contact with casing? YES NO 222 NO Sound of "shoo..." generates during cooling or after operation stop. NO Creak during heating and after operation stop NO Is the noise flushing sound from pressure reducing valve or capillary tube? NO Sound of "shoo..." generates just after YES operation start or stop, or defrosting start or stop. [Power supply side] YES Does the fan contact with other parts? Insert shock absorber in mounting section, or strengthen the mounting section. YES NO * Excess charge of refrigerant * Air intrudes into refrigerant system * Flushing noise due to refrigerant shortage. (Sound of shoo...) Normal. The sound is flushing noise of gas (refrigerant) inside air conditioning unit Insert cushion materials to the pipe support such as saddle. Normal. The noise is a sound generated at the time of gas Disassemble and remove parts contact. YES Normal. Operation sound of draining device Correct piping manually or attach a dead weight to pipe YES Normal. Creak generates by shrinkage of resin parts due to temperature change. Normal. After vacuum drying, charge correct amount of refrigerant. (P1363) Troubleshooting Si42-107 Troubleshooting Based on Equipment Condition ( #=5, ;, %" :"+" />,*). #, +; #D :" ! ( ! (T6 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Does the trouble generate at the time of operation start again after extended period of operation? YES Dust collected inside the indoor unit are blown out. Cleaning for inside of indoor unit is necessary. NO Is air filter equipped? NO YES Dust collected inside the indoor unit are blown out. Cleaning for inside of indoor unit is necessary. Install air filter. (P1364) Troubleshooting 223 Troubleshooting Based on Equipment Condition Si42-107 5"",,"P88P %" :"+" />,*). #, +; #D :" 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Trouble generates just after power supply ON YES The unit is checking to confirm that remote controller is normal. Indication appears for short time. NO Is the position of (SS 1) on indoor unit PCB at "Emergency"? YES Turn the switch to "Ordinary", and reset power supply. NO Check the unit based on indoor unit LED and outdoor unit LED. (Trouble Shooting) (P1365) 224 Troubleshooting Si42-107 Procedure of Self-Diagnosis by Remote Controller "7,:5 "" 4;#4&F4#49 #$" Troubleshooting 206( E ?;%<4 606( 660; ! 366 (4( ; ; 0 6%<?%; )&= ((0;;=0. ! : 46 ; %606 %696 - 0#6 = 6$6 6( ;6 6-( $ 6(( + 6 =6 06( 225 Procedure of Self-Diagnosis by Remote Controller Si42-107 "7,:5"" 5"" #$" ( 46( E&/;=4 ( ) 4( 66 (.:6( ;6 =( 0 1( ( A99/B A9/B'',.7-%5"" 226 Troubleshooting Si42-107 Procedure of Self-Diagnosis by Remote Controller "5"" A9/B'',.7-%5"" 9(( 46 0&/606 6 :6( ;(;06 ;;):6 ( 66 ( 46 ( 6;(. 6<:%<?::; G H :69(6 (:6G5H 0665< 660G!H 65< 65/%3<; 6065<6;##)Y. 0(6 ∗<(;; -6;J 60 6;J - 6;##(%<:6 ;## 66( ( ;J<;( - 68%/ ; :6G!H)0. 6( 6 8 00 65/%3<; 606( 06 ( ( 60;##)Y.0 ! :606 606;665/%3<; ∗<(;; ;J260( 6)8 (. 6;J50( 6 6;J&0( 6 68%/ ; :606G!H)0. 6( 6 $ 8 00 65/%3<; 606( 06 ( ( 60;##)Y.0 ! :606 606;665/%3<; Troubleshooting 227 Procedure of Self-Diagnosis by Remote Controller 228 Si42-107 Troubleshooting Si42-107 Procedure of Self-Diagnosis by Remote Controller 5"","+" 8 1 ? 0 ;E 8 6 60( ( 8 ( ( B 8 ( ( ( ! ). - %2 "06( ). 1 &( ). 8 ). - / 60(( ). 606 6). "" "1 "1 BB$ '(= 6 8 ( (). :6( 6( 4;6(6( ; )<. 8 60( (). 8 6 60( (). )<. B 0). 6 4 6;6 5! 8 ( B$ 5 55 5 5 5 5 '6 (); . 6':6-,6 300; ( 6;(6 6 56460;6 :64 (( 6 60):6 (6 (6( 6( . (); ( . ();G(H G;H( :(;( ;0 :(;G(HG;H( ;0 0 ( (0(=:( ! 6 66 4G H:6(4 ;; Troubleshooting %6( ( 06( 229 Procedure of Self-Diagnosis by LED Si42-107 "7,:#, 4:";:#,4;E '! :;60 ; ; (&/)0.)2=6(. 4J&/3J&/5J&/;=NJ< 6;60 8 ( <(8 :( <(8 ")". "2)". 5 5 5 4 4 3 230 / (→/06 3 8 ;(; (0; 6&/,06406 646(0 ( 6;(; )<%:. N 8 6;)<%:. ;(4( ; (; ;6 )<%:. &/,246(0;(; 2(06 ;;604 6 =6 (0 :;6;06((( 40; =4 6 6 =06&/ Troubleshooting Si42-107 Procedure of Self-Diagnosis by LED 4:";:#,4;&E 9 366G%<4H6;60;;6E ( (&/ 4J&/3J&/5J&/;=NJ< 6;60 8 ( <(8 ")@. 5 5 4 3 8 / 8 )<-. ? 0 " ). " ). 3 4 3 3 3 4 <(→ 4 4 8 ( N N ;)<. N N 8 ;)<4. 86 = 6 @&/J<(6%<4<&/J<(6% D" ;5 + Troubleshooting 6 =;6;06((( 40 ; =46 6 =06&/ :6((( 460; = 0(0<46E&/,;=46E ; - ( 6( ( 046 36 06((6;466;6 0 466 =6 (6 /(06 )( .6 - 60#4; 6 60) 60;6[\4; 606 60; 00/ 660(60. 231 Troubleshooting by Remote Controller Display / LED Display Si42-107 / 4:";:5"","F #,," / #$"5:" 5J2=4J%3J%NJ< 6;60 *J"06;;( "J;( +J&;;( NJ<;( ) . 232 Troubleshooting Si42-107 / Troubleshooting by Remote Controller Display / LED Display +" #,,"4:" 5 8 5 '( & 8 8 &// < / " " %6 2 )". )"2. 6 % '( 2 5 5 Y< N N N N <(→ 5 5 / 8 )' 0. N A1 N N " N ;);60 ;&/4-!. - 5 C4 * N + N -$ 5 5 C9 * N + N 8 6 60( ( 8 (( 5 5 CJ * N " N 8 ( 6( - 5 5 4 3 5 4 3 N N -+ & %5 %5&/ '( 8 / " " " / & 8 8 %6 2 6 '( 2 % 5 5 N N N N <(→ / 8 )' 0. 5 5 4 3 4 3 3 <∗ E0 * + N N -14! N N <∗ N " N N ; N 3 N N <∗ N " N N N 5 N N E1 N " N N 8 ; ; 5 4 3 E3 * N N N 5 4 3 E4 * N N N 5 3 3 E9 * + N N 5 3 3 F3 * + N N 5 4 4 H3 * + N N 5 4 4 H4 * + N N 5 4 4 H9 * + N N 8 ( ( 5 4 4 J3 * + N N 1 5 4 4 J6 * + N N 8 60 ( ( 8 6 60( ( Troubleshooting "06( )".( &( )&.( N - 8 / 60 (( 8 606 6 8 6 $ + ! :6=)∗. ( 233 Troubleshooting by Remote Controller Display / LED Display Si42-107 5 ( %5&/ '( 8 / " " " / N 5 234 & 8 8 %6 2 6 '( 2 % 5 5 / 8 )' 0. U0 U1 * * N + N N N N 60( '6 N U4 UF * " " N - N U5 * N " " 8 (); . 8 (); ( . N U8 * N " " + N UA * N " N :( ;G(H( G;H ( 0 6 3 4 $ Troubleshooting Si42-107 / Troubleshooting by Remote Controller Display / LED Display '"9 5 "" ," A1 %" :" +" />,*( +; +" , 6 =(P'%8 +" , 36 ; (6P'%8 P'%8J:((8(( 66 ! ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn the power supply off once and then back on. Normal reset? NO YES Could be outside cause (noise, etc.) other than malfunction Indoor unit PC board replacement (P1368) Troubleshooting 86 6066(( ;'0 235 Troubleshooting by Remote Controller Display / LED Display / Si42-107 +" )#$ ;45 5 5 "" ," C4 %" :" +" />,*( +; +" , 8 ;( ;6 60 +" , 3666 606(; ( 6660 ! ! ! ! 6 2= );. 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Disconnect the heat exchange sensor (R2T) from X18A on the indoor unit PC board and measure the resistance. Is the thermistor normal? (See note) NO Heat exchanger senser replacement YES If contact is OK, replace outdoor unit PC board. (P1369) 236 Troubleshooting Si42-107 / Troubleshooting by Remote Controller Display / LED Display +" %455 5 "" ," C9 %" :" +" />,*( +; +" , 8 ;( ; ( +" , 366 (E6(; ( 66 60 ! ! ! ! 6 2= ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Disconnect the suction air temperature sensor (R1T) from X19A on the indoor unit PC board and measure the resistance. Is the thermistor normal? (See note) NO Suction air temperature sensor replacement YES If contact is OK. replace outdoor unit PC board. (P1370) Troubleshooting 86 6066(( ;'0 237 Troubleshooting by Remote Controller Display / LED Display // Si42-107 +" 5""%4;5 5 "" ," CJ %" :" +" />,*( +; +" , ( 6(4(;;(6( 8 ;( ;( 6( +" , 366( 6(; ( 666 0 ! ! 2= 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn the power supply off once and then back on Is CJ displayed on the remote controller? YES Replace remote controller. NO Could be outside cause (noise,etc.) other than malfunction 238 (P1371) Troubleshooting Si42-107 /0 Troubleshooting by Remote Controller Display / LED Display % ,< 5 "" ," E0 &#, ," "5"4"3 %" :" +" '>!*5 +; +" , 6 ; ) . V;W ! ; ! ! E6;= V 6W ! G H ! '00 000 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the safety device's lead wire NO correctlyconnected to the outdoor unit PC board? Connect correctly. YES Find safety device which is not energized. Temperature of compressor discharge pipe is abnormally high. *1 Is the stop valve fully open? Open the stop vale. *2 Is the refrigerant piping circuit clogged? Is refrigerant charged to the proper level? Is the compressor malfunctioning? ···· Replace clogged part. *3 *4 Q1L Q2L Has draft passage been provided? Compressor current is excessive. Is power being properly supplied? (Voltage, lack of phase, etc.) Is the compressor malfunctioning? Troubleshooting Compressor replacement Temperature of fan motor coil is abnormally high. Is the fan turning correctly? F1C Charged to specified level. Remove obstacles so the fan turns correctly, or replace the fan. Provide draft passage Fan motor replacement Provide suitable power supply. Compressor replacement (P1372) 239 Troubleshooting by Remote Controller Display / LED Display /1 Si42-107 % ,< 5 "" ," E0 &#, ," "5"4"3 %" :" +" ')>.!!C!*5 +; +" , 6 ; ) . V;W ! ; ! ! E6;= V 6W ! G H ! '00 000 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the safety device's lead wire NO correctlyconnected to the outdoor unit PC board? Connect correctly. YES Find safety device which is not energized. Q3L Temperature of compressor motor coil is abnormally high. *1 Is the stop valve fully open? Open the stop vale. *2 Is the refrigerant piping circuit clogged? Is refrigerant charged to the proper level? Is the compressor malfunctioning? ···· Replace clogged part. *3 *4 Q1L Q2L Has draft passage been provided? Compressor current is excessive. Is power being properly supplied? (Voltage, lack of phase, etc.) Is the compressor malfunctioning? 240 Compressor replacement Temperature of fan motor coil is abnormally high. Is the fan turning correctly? F1C Charged to specified level. Remove obstacles so the fan turns correctly, or replace the fan. Provide draft passage Fan motor replacement Provide suitable power supply. Compressor replacement (P1373) Troubleshooting Si42-107 /G Troubleshooting by Remote Controller Display / LED Display '"&9 5 "" ," E1 &#, ," "5"N"N %" :" +" />,*( +; +" , 6 =(P'%8 +" , P'%8 366%<4( (;P'%8 ! ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn the power supply off once and then back on. Normal reset? NO YES Could be outside cause (noise, etc.) other than malfunction Outdoor unit PC board replacement (P1374) Troubleshooting 241 Troubleshooting by Remote Controller Display / LED Display Si42-107 /( );56)8+" 5 "" ," E3 &#, ," "5 %" :" +" '> +; +" , 6606 6 ;6 +" , 6606 6 66 (0 V;W ! 606 6 ! "06 6E6;= ! 606 6E ! ; V 6W ! 8 00 "4"3 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Are HPS's for control and safety connected to the outdoor unit PC board? (See note) NO Connect correctly YES Turn off the power supply and check the following after letting the compressor rest for 2 or 3 minutes. Do the HPS's for control and safety have continuity? NO Replace HPS without continuity. YES Is high pressure during operation abnormally high? YES Malfunction of refrigerant piping circuit NO Replace outdoor unit PC board. (P1375) 242 ((96" Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display / !568+" 5 "" ," E4 &#, ," "5 %" :" +" '> +; +" , 6 6 ;6 +" , 6 6 66 (0 V;W ! 6 ! & 6E6;= ! 6E ! ; V 6W ! 8 00 "4"3 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is LPS for safety connected to the outdoor unit PC board? NO Connect correctly YES Turn off the power supply and check the following after letting the compressor rest for 2 or 3 minutes. Does the LPS for safety have continuity? NO Replace HPS without continuity. YES Is low pressure during operation abnormally low? YES Malfunction of refrigerant piping circuit NO Replace outdoor unit PC board. (P1376) Troubleshooting 243 Troubleshooting by Remote Controller Display / LED Display Si42-107 / +" #" #$3"< 5 "" ," E9 &#, ," "5 %" :" +" '>!*5 +; +" , 36 ( 4 6 +" , 8 (;60 J V(V6 ! ! ! ! ! "3"3 E6;= E ; % )4 . 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn the power supply off once and then back on. Normal reset? NO YES Could be outside cause (noise, etc.) other than malfunction. Is resistance of electronic expansion valve's coil normal? (40-50Ω) YES NO Failure of electronic expansion valve Outdor unit PC board replacement (P1377) 244 Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display / , ;45+" 5 "" ," F3 &#, ," "5"3"3 %" :" +" '>!*5 +; +" , 8 0( ; 60( +" , ! 36 60(; (;(606 ! 36 60( ! 366 60 ( ! ((0 ! '00 000 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the amount of refrigerant correct? NO Charge with the proper amount of refrigerant. YES Has the sensor come off the discharge pipe port? YES Correctly place the sensor in the discharge pipe port. NO Is electronic expansion valve fitted? NO YES Is electronic expansion valve coil disconnected from valve body? NO Check refrigerant piping circuit clogging. YES Correctly place the electronic expansion valve coil to valve body. (P1378) Troubleshooting 245 Troubleshooting by Remote Controller Display / LED Display Si42-107 / +" );! ; 5 "" ," H3 &#, ," "5"4"4 %" :" +" '> +; +" , 6606 6 ;6 +" , 366 (6606 6E6 ! ! ! ! 606 6 "06 6E6;= 606 6E ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Are HPS's for control and safety connected to the outdoor unit PC board? NO Connect correctly YES Check the following after letting rest for 2 or 3 minutes. Do the HPS's for control and safety have continuity? NO Replace HPS without continuity. YES Replace outdoor unit PC board. (P1379) 246 Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display / +" !! ; 5 "" ," H4 &#, ," "5"4"4 %" :" +" '> +; +" , 6 6 ;6 +" , 366 (6 6E6 ! ! ! ! 6 & 6E6;= 6E ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Are LPS's for control and safety connected to the outdoor unit PC board? NO Connect correctly YES Check the following after letting rest for 2 or 3 minutes. Do the LPS's for control and safety have continuity? NO Replace LPS without continuity. YES Replace outdoor unit PC board. (P1380) Troubleshooting 247 Troubleshooting by Remote Controller Display / LED Display Si42-107 // +" &455 5 "" ," H9 &#, ," "5"4"4 %" :" +" ')>. +" , 66(66 ! ( ! (E ! ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Disconnect the outdoor temperature sensor (R1T) from X4A on the outdoor unit PC board and measure the resistance. Is the thermistor normal? (See note) NO Outdoor temperature sensor replacement YES If contact is OK, replace outdoor unit PC board. (P1381) 248 86 6066(( ;'0 Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display /0 +" , ;45 5 5 "" ," J3 &#, ," "5"4"4 %" :" +" '>!*5 +" , 66 60(66 ! 60( ! 60(E ! ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Disconnect the discharge pipe temperature sensor (R3T) from X6A on the outdoor unit PC board and measure the resistance. Is the thermistor normal? (See note) YES NO Dischange pipe temperature sensor rep;acement If contact is OK, replace outdoor unit PC board. (P1382) Troubleshooting 86 6066(( ;'0 249 Troubleshooting by Remote Controller Display / LED Display Si42-107 /1 +" )#$ ;45 5 5 "" ," J6 &#, ," "5"4"4 %" :" +" ')>. +" , 666 60(66 ! 6 60 ! 6 60E ! ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Disconnect the discharge pipe temperature sensor (R3T) from X6A on the outdoor unit PC board and measure the resistance. Is the thermistor normal? (See note) YES NO Dischange pipe temperature sensor rep;acement If contact is OK, replace outdoor unit PC board. (P1382) 250 86 6066(( ;'0 Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display /G ;D+" 5 "" ," U0 #,," "N %" :" +" '>!*5 +; +" , & =0 0 60( +" , 8 ( 666 =0 ( ! ( 606( (6 ! & =0 ! '00 000 "N "N 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the amount of refrigerant correct? NO Charge with the proper amount of refrigerant. YES Check the refrigerant piping circuit for clogging. (P1384) Troubleshooting 251 Troubleshooting by Remote Controller Display / LED Display Si42-107 /( <; 5 "" ," U1 &#, ," "5"3"4 %" :" +" '> +; +" , '6 66 66(66 (6 ! 0 ! 0;= ! ; 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Turn the power supply off once and then back on. Is U1 displayed on the remote controller? NO Could be outside cause (noise, etc.) other than malfunction. YES Outdoor unit PC board replacement (P1385) 252 Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display / +" 4569! &8 5 "" ," U4 UF #,," "N %" :" +" '> +; +" , 8 ( 6 =(;( +" , 36( ( (( ! ! ! ! 4:"; /0 ;=? 0 6&/6;4 66(0; (; ;=? Troubleshooting "N "N 30,( ; ; % )4 . 253 Troubleshooting by Remote Controller Display / LED Display Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is HAP blinking? Check of indoor unit microcomputer normal HAP Si42-107 NO (ON or OFF) YES Turn the power supply off once and then back on. NO Is H1P blinking? Failure of indoor unit PC board or malfunction of power supply system YES Resets normally. Could be outside cause (noise, etc.). Is HBP blinking? Check of indoor unit transmission malfunction HBP NO YES Is H2P on? YES Failure of indoor unit PC board. NO (OFF) NO Does outdoor unit microcomputer normal H1P blink? YES To outdoor unit (next page) YES Is indoor-outdoor transmission wire wired correctly? NO Wire correctly. (P1386) 254 Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display 4:"; Continued from previous page Is HAP blinking? Check of outdoor unit microcomputer normal HAP NO (ON or OFF) Turn the power supply off once and then back on. YES Is HAP blinking? YES Resets normally. Could be outside cause (noise, etc.). NO Is HAP on? YES Failure of outdoor unit PC board NO (OFF) Turn off the power supply, disconnect the NO.2 indoor-outdoor transmission wire, and turn power supply back on. Is HAP blinking? YES Failure of indoor unit PC board NO Failuer of outdoor unit PC board or malfunction of power supply system "U4" displays constantly? YES Indoor P.C. board malfunction NO Resets normally. Could be outside cause (noise, etc.) (P1387) Troubleshooting 255 Troubleshooting by Remote Controller Display / LED Display Si42-107 / +" 4569! 5""8 5 "" ," U5 #,," "N %" :" +" '> +; +" , 8 ( 6 =(;( ( +" , 36( ( (( ! ! ! ! "N "N ( ; % )4 . (( )360( . 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Control by 2 remote controllers YES SS1 of both remote controllers is set to "main." YES NO All indoor unit PC board microcomputer normal monitors blinking NO YES Using multicore transmission wiring between indoor unit and remote controller Resets normally when power supply is turned off temporarily. NO Set one of the remote controllers to"sub,"turn off the power supply temporarily, then restart operation. Indoor unit PC board replacement YES Malfunction could be produced by noise. Check the surrounding area and restart operation. YES Change to double-core independent cable. NO Failure of remote controller PC board or replacement of defective indoor unit PC board (P1388) 256 Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display / 45#9!+5"" :5"" 5 "" ," U8 #,," "N %" :" +" ( +; +" , 06,( 4 6 =6(0( (0 (;( )(;.( +" , <(( ! :(;8( ;( ! (0G;H( ! ( 2 "N "N 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Controlling with 2-remote controller NO YES Both SS-1 switches on remote controllers are turned to "Sub" YES SS-1 switch on remote controller PCB is turned to "Main" NO Turn the SS-1switch of one remote controller to "Main". Turn OFF the power supply, and restart operation YES NO Turn OFF the power once and restart operation. Replace remote controller PCB if any error is generated. Turn the SS-1switch of one remote controller to "Main". Turn OFF the power supply, and restart operation. (P1389) Troubleshooting 257 Troubleshooting by Remote Controller Display / LED Display Si42-107 / '"'"! ; 5 "" ," UA #,," "N %" :" +" ( V ((W ! ; ! ; ! ,4,(0 ! ( 0 258 "N"N Troubleshooting Si42-107 Troubleshooting by Remote Controller Display / LED Display 4:"; Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred. Is the remote controller connected to more than one indoor unit? YES Connect the remote controller correctly. NO Is the outdoor unit using for Twin system? NO Check setting "No. of Connected Twin System Indoor Units" of indoor unit. (Note1) YES Is the setting of Pair/Twin/Triple setted correctly? NO Set correctly YES Are the microcomputer normal montiors (HAP) of all indoor unit PC boards blinking? NO Is the indoor-indoor and indoor-outdoor jumper correctly connected? NO Connect correctly YES YES Are the transmission normal montiors (HBP) of all indoor unit PC boards blinking? NO NO Connect correctly YES Is there 220-240 VAC between No.1 and No.3 of X2M on indoor and outdoor unit (X1M for RY140KUY1) ? YES Turn the power off once, then back on, and restart operation. NO Operating normally? Is the power supply PC board correctly connected? NO Replace the transformer. Wiring could be incorrect; recheck. YES Is the indoor-indoor and indoor-outdoor jumper correctly connected? NO Connect correctly. YES YES Indoor unit PC board replacement Operates normally Troubleshooting (P1390) 259 Troubleshooting by Remote Controller Display / LED Display 260 Si42-107 Troubleshooting Si42-107 Part 9 Appendix 0/0($ ?%5 $ 30/0($+ Appendix 5/>,*8 $+ 5/>,*8 + %5 + 30)/>!$?! ?!*)..+ 30)/>?!*)..+1 261 Piping Diagrams Si42-107 ,5 F& ()* ',.(/-6%8.C.(-. C : 3D014830B ',.(1-6%8.C.((-. 3D029822 262 Appendix Si42-107 Piping Diagrams ',.(-6%8.C.(-. CHECK VALVE C : 3D029826 ',.-6%8.C.((-.2 Appendix 263 Piping Diagrams Si42-107 ',.(-6%8.C.(-.2 /()* ',.(1-6%84%C.((-4% ',.(1-6%8.%C.((-.% 3D030157 264 Appendix Si42-107 Piping Diagrams ',.(-6%84%C.(-4% ',.(-6%8.%C.(-.% 3D030161 ',.-6%84%C.((-4%2 ',.-6%8.%C.((-.%2 Appendix 265 Piping Diagrams Si42-107 ',.(-6%84%C.(-4%2 ',.(-6%8.%C.(-.%2 266 Appendix Si42-107 Wiring Diagrams ,5 ',.7-+" C : 3D024639D ',.(/-.F',.(1-.F',.(-.F',.(1-.%F',.(-.% Appendix 267 Wiring Diagrams Si42-107 3D024701D ',.(1-4%F',.(-4% 268 Appendix Si42-107 Wiring Diagrams ',.-.F',.(-.F',.-.%F',.(-.% Appendix 269 Wiring Diagrams Si42-107 ',.-4%F',.(-4% 270 Appendix Si42-107 Wiring Diagrams ',.7-%+" C : 3D024639E ',.(/-%.F',.(1-%.F',.(-%.F',.(1-%.%F',.(-%.% Appendix 271 Wiring Diagrams Si42-107 3D024701E ',.(1-%4%F',.(-%4% 272 Appendix Si42-107 Wiring Diagrams 3D025131D ',.-%.F',.(-%.F',.-%.%F',.(-%.% Appendix 273 Wiring Diagrams Si42-107 3D028329D ',.-%4%F',.(-%4% 274 Appendix Si42-107 Wiring Diagrams & .(-. C : 3D014604E .((-.F.((-.% POWER SUPPLY Y1 YAL 3N 3N ~ ~ 50Hz 60Hz 380 - 415V 380V C : 3D028900 Appendix 275 Wiring Diagrams Si42-107 .((-4% POWER SUPPLY TAL 3 ~ 60Hz 220V C : 3D028902 .(-.F.(-.% POWER SUPPLY Y1 YAL 3N 3N ~ ~ 50Hz 60Hz 380 - 415V 380V C : 3D028901 276 Appendix Si42-107 Wiring Diagrams .(-4% POWER SUPPLY TAL 3 ~ 60Hz 220V C : 3D028903 Appendix 277 Wiring Diagrams Si42-107 '"6',.(/F(1F(-6%88 C : 3D029781 278 Appendix Si42-107 Appendix Wiring Diagrams '"6',.F(-6%88 279 Wiring Diagrams Si42-107 280 Appendix 7(0 Index Numerics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rawings & Flow Charts Numerics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ead office: Umeda Center Bldg., 4-12, Nakazaki-Nishi 2-chome, Kita-ku, Osaka, 530-8323 Japan Zandvoordestraat 300, B-8400 Oostende, Belgium Tokyo office: Shinjuku Sumitomo Bldg., 6-1 Nishi-Shinjuku 2-chome, Shinjuku-ku, Tokyo, 163-0235 Japan z For further improvement, specifications or designs are subject to change without prior notice. Printed in Singapore 11/2001 AK