Download SERVICE MANUAL - General

SM0285
RAS-08KH2 / RAC-08KH2
RAS-10KH2 / RAC-10KH2
RAS-14KH2 / RAC-14KH2
SERVICE MANUAL
TECHNICAL INFORMATION
REFER TO THE FOUNDATION MANUAL
FOR SERVICE PERSONNEL ONLY
CONTENTS
SPECIFICATIONS ----------------------------------------------------- 5
HOW TO USE ---------------------------------------------------------- 8
CONSTRUCTION AND DIMENSIONAL DIAGRAM ------- 31
MAIN PARTS COMPONENT ------------------------------------- 33
WIRING DIAGRAM -------------------------------------------------- 35
RAS-08KH2
RAS-10KH2
RAS-14KH2
CIRCUIT DIAGRAM ------------------------------------------------- 36
PRINTED WIRING BOARD LOCATION DIAGRAM ------- 37
RAC-08KH2
RAC-10KH2
BLOCK DIAGRAM --------------------------------------------------- 38
BASIC MODE --------------------------------------------------------- 39
REFRIGERATING CYCLE DIAGRAM ------------------------- 42
RAC-14KH2
DESCRIPTION OF MAIN CIRCUIT OPERATION --------- 44
AUTO SWING FUNCTION ---------------------------------------- 48
SERVICE CALL Q & A -------------------------------------------- 49
PARTS LIST AND DIAGRAM ------------------------------------ 58
SPECIFICATIONS
(WALL TYPE)
TYPE
INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT
RAS-08KH2
MODEL
POWER SOURCE
TOTAL AMPERES
CAPACITY
HEATING
RAS-10KH2
RAC-10KH2
RAS-14KH2
RAC-14KH2
1 PHASE, 50 Hz, 220-230-240V 1 PHASE, 50 Hz, 220-230-240V 1 PHASE, 50 Hz, 220-230-240V
TOTAL INPUT
COOLING
RAC-08KH2
(W)
590-610-630
890-900-950
1060-1090-1120
(A)
2.80-2.80-2.80
4.20-4.10-4.10
5.00-5.00-4.90
(kW)
2.10
2.90
3.50
(B.T.U./h)
7,170
9,900
11,950
TOTAL INPUT
(W)
490-510-530
740-770-810
960-1000-1050
TOTAL AMPERES
(A)
2.30-2.30-2.30
3.50-3.50-3.50
4.60-4.60-4.60
CAPACITY
(kW)
2.20
3.00
3.85
(B.T.U./h)
7,510
10,240
13,150
W
780
700
780
700
780
750
DIMENSIONS
(mm)
H
280
570
280
570
280
570
D
205
210
205
210
205
280
NET WEIGHT
(kg)
9.0
32
9.0
32
9.0
38
After installation
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
DECEMBER 2005
0285E (08/10/14KH2) cover
1
Refrigeration & Air-Conditioning Division
24/11/05, 10:20 AM
PARTS LIST AND DIAGRAM
INDOOR UNIT
MODEL : RAS-08KH2 / RAS-10KH2 / RAS-14KH2
2
1
9
5
12
4
3
8
7
26
10
6
20
19
11
22
27 24
23
17
13
21
16
12
15
18
14
– 58 –
0285E (08/10/14KH2) 47-71
63
24/11/05, 10:18 AM
PARTS LIST AND DIAGRAM
OUTDOOR UNIT
MODEL : RAC-08KH2 / RAC-10KH2
30
50
31
16
53
4
52
10
11
6
3
7
51
13
2
15
14
5
9
18
12
17
– 59 –
0285E (08/10/14KH2) 47-71
67
24/11/05, 10:18 AM
PARTS LIST AND DIAGRAM
OUTDOOR UNIT
MODEL : RAC-14KH2
18
13
16
14
12
11
10
6
15
7
21
8
24
9
20
53
2
22
23
1
4
5
3
– 60 –
0285E (08/10/14KH2) 47-71
70
24/11/05, 10:18 AM
GENERAL SERVICE
RAS-10KH2
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
20
21
22
23
24
26
27
-
CABINET LIGHT GREY (ROHS)
MOUNTING PLATE
(ROHS)
FAN MOTOR RRMB3795 20W (ROHS)*
TANGENTIAL FAN
(ROHS)*
BEARING FAN ->HWRAS25YH4A08*
SUPPORT FAN MOTOR
(ROHS)
CYCLE ASSY (HEAT EXCH.) (ROHS)
COVER BEARING FAN
(ROHS)
COVER UPPER
DRAIN PAN W.AIR DEFLEC.WHITE *
MOTOR AUTO SWEEP
(ROHS)
FRONT COVER ASSY WHITE (ROHS)
FRONT PANEL GRILLE WHITE(ROHS*
FILTER AIR RIGHT
(ROHS)
FILTER AIR LEFT
(ROHS)
REMOTE HANDSET RAR2P2 (ROHS) *
SUPPORT REMOTE HANDSET
>*
SUPPORT THERMISTOR (ROHS)
THERMISTOR ASSEMBLY (ROHS)
SWITCH POWER
(ROHS)
PWB MAIN+INDICATE/IR(11P)ROHS*
PWB POWER SUPPLY
(ROHS)
TERMINAL BOARD (FUSE) (ROHS)*
COVER LOWER R -GREY-!!!! >>>*
TERMINAL BOARD
(ROHS)
COVER SWITCH/LED LIGHT GREY *
HWRAS25YH4A01
PMRAS25YH4S40
PMRAS07GH4R01
PMRAS25YH4S07
HWRAS25YH4908
HWRAS25YH4A10
PMRAS07GH4R02
HWRAS25YH4A09
HWRAS25YH4914
PMRAS25YH4S26
PMRAS25YH4S29
HWRAS25YH4A33
HWRAS25YH4A36
HWRAS25YH4A37
HWRAS25YH4A38
PMRAS51CHA1R11
PMRAS10C3M003
PMRAS10C8MR03
PMRAS260GHAR01
PMRAS25YH4S20
PMRAS09GH4R01
PMRAS07GH4R04
PMRAS25YH4S16
HWRAS25YH4939
PMRAS25YH4S17
HWRAS25YH4935
GENERAL SERVICE
RAS-14KH2
1
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
20
21
22
23
24
26
27
-
CABINET LIGHT GREY (ROHS)
MOUNTING PLATE
(ROHS)
FAN MOTOR RRMB3795 20W (ROHS)*
TANGENTIAL FAN
(ROHS)*
BEARING FAN ->HWRAS25YH4A08*
SUPPORT FAN MOTOR
(ROHS)
CYCLE ASSY (HEAT EXCH.) (ROHS)
COVER BEARING FAN
(ROHS)
COVER UPPER
DRAIN PAN W.AIR DEFLEC.WHITE *
MOTOR AUTO SWEEP
(ROHS)
FRONT COVER ASSY WHITE (ROHS)
FRONT PANEL GRILLE WHITE(ROHS*
FILTER AIR RIGHT
(ROHS)
FILTER AIR LEFT
(ROHS)
REMOTE HANDSET RAR2P2 (ROHS) *
SUPPORT REMOTE HANDSET
>*
SUPPORT THERMISTOR (ROHS)
THERMISTOR ASSEMBLY (ROHS)
SWITCH POWER
(ROHS)
PWB MAIN+INDICA/IR KIT (ROHS)
PWB POWER SUPPLY
(ROHS)
TERMINAL BOARD (FUSE) (ROHS)*
COVER LOWER R -GREY-!!!! >>>*
TERMINAL BOARD
(ROHS)
COVER SWITCH/LED LIGHT GREY *
HWRAS25YH4A01
PMRAS25YH4S40
PMRAS07GH4R01
PMRAS25YH4S07
HWRAS25YH4908
HWRAS25YH4A10
PMRAS07GH4R02
HWRAS25YH4A09
HWRAS25YH4914
PMRAS25YH4S26
PMRAS25YH4S29
HWRAS25YH4A33
HWRAS25YH4A36
HWRAS25YH4A37
HWRAS25YH4A38
PMRAS51CHA1R11
PMRAS10C3M003
PMRAS10C8MR03
PMRAS260GHAR01
PMRAS25YH4S20
PMRAS14GH4R01
PMRAS07GH4R04
PMRAS25YH4S16
HWRAS25YH4939
PMRAS25YH4S17
HWRAS25YH4935
RAC-10KH2
1
2
3
4
5
6
7
9
10
11
12
13
14
15
16
17
18
30
31
50
51
52
53
-
VALVE CHECK
(ROHS)
STRAINER CAPILLARY
STRAINER CONDENSER
SUPPORT FAN MOTOR
(ROHS)
FAN MOTOR RRMB8C45 30W (ROHS)
PROPELLER FAN (4 BLADE) >*
CABINET
(ROHS)
SIDE PLATE R
*
SIDE PLATE L
HANDLE SIDE PLATE LEFT
GRILLE PROPELLER FAN (NEUTRAL)
COMPRESSOR 5PS112DAF
RUBBER COMPRESSOR
*
NUT F.COMPRESSOR
(ROHS)
CONDENSER
(ROHS)
VALVE (2S)
(ROHS)
VALVE (3S)
CAP 2.5MF 450V (FAN MOT)(ROHS)
TERMINAL BOARD (4P) (ROHS)
CAP 25MF 450V (COMPR.) (ROHS)*
VALVE REVERSING AXLE=11(ROHS)
COIL REVERSING VALVE (ROHS)
PROTECTOR OVERLOAD (ROHS)
COVER ELECTRIC 13X18CM
*
PMRAC09GH4S04
PMRAC07GH4907
PMRAC09GH4905
PMRAC05CVS01
PMRAC10C7S03
PMRAC25CNH2S02
PMRAC09GH4S07
PMRAC05CV906
PMRAC05CV907
PMRAC05CV908
PMRAC09CHA1903
PMRAC09GH4901
PMRA08GF904
PMRA08GFS05
PMRAC09GH4S02
PMRAC07GH4S04
PMRAC07GH4905
PMRAC10C7S04
PMRAC51CHA1S03
PMRAC10KHS01
PMRAC260GHAS01
PMRAC260GHAS02
PMRAC09GH4S06
PMRAC07CH2902
RAC-14KH2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
20
21
22
23
24
53
PUSH NUT COMPRESSOR (1P'CE) *
COMPRESSOR 5PS132
RUBBER COMPRESSOR
*
VALVE 2S
VALVE 3S
CONDENSER
(ROHS)
SUPPORT FAN MOTOR
(ROHS)
FAN MOTOR RRMB8906 30W (ROHS)
PROPELLER FAN (4 BLADE) >*
TERMINAL BOARD (4P) (ROHS)
CAP 25MF 450V (COMPR.) (ROHS)*
CAP 2.5MF 450V (FAN MOT)(ROHS)
HANDLE
CABINET
(ROHS)
GRILLE PROPELLER FAN (NEUTRAL)
SIDE PLATE (R)
(ROHS)
COVER TOP
COIL REVERSING VALVE (ROHS)
VALVE REVERSING AXLE=11(ROHS)
STRAINER CAPILLARY
STRAINER CONDENSER
VALVE CHECK
(ROHS)
PROTECTOR OVERLOAD (ROHS)
KPNT1001
PMRAC14GH4901
RAC2226HV805
PMRAC25NH4904
PMRAC25NH4905
PMRAC25NH4S01
PMRAC51CA1S05
PMRAC18C7S01
PMRAC25CNH2S02
PMRAC51CHA1S03
PMRAC10KHS01
PMRAC10C7S04
PMRAC14GH4902
PMRAC51CA1S01
PMRAC09CHA1903
PMRAC14GH4S05
PMRAC51CA1909
PMRAC260GHAS02
PMRAC260GHAS01
PMRAC14GH4903
PMRAC14GH4904
PMRAC09GH4S04
PMRAC14GH4S06
HITACHI
RAS-08KH2 / RAC-08KH2
RAS-10KH2 / RAC-10KH2
RAS-14KH2 / RAC-14KH2
0285E (08/10/14KH2) cover
2
SM0285
24/11/05, 10:20 AM