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ENGLISH E-II-YDDN-0907 INSTALLATION MANUAL DIGITAL SCROLL SERIES DUCT TYPE INDOOR UNIT Models: YDDN-22C(A/B)15A YDDN-28C(A/B)15A YDDN-36C(A/B)15A YDDN-45C(A/B)15A YDDN-56C(A/B)15A YDDN-71C(A/B)15A YDDN-80C(A/B)15A YDDN-90C(A/B)15A YDDN-112C(A/B)15A YDDN-140C(A/B)15A For correct installation, read this manual before starting installation. Only trained and qualified service personnel should install, repair or service air conditioning equipment. Users should not install the air conditioner by themselves. All pictures are only sketches. If there is any difference between pictures in this manual and the actual shape of the air conditioner you purchased, the actual shape shall prevail. ' & ?@ 8 8 1 8 8 % ) + * > * = & ) 13 + 8+ 1+ 3+ 5+# 8 (A 1 ( 3 !" >0# < !8,899 8,899 = B19< ; $ # < ()*+",-. 89 8 C (((((( # 1# 3" D $% # A = $ # " & ) + > &'$% B 56E69 " &$ > > " 0" ! 8+ 1+* / ! 8 1 / * + A @ )% + > ./ /= FGBH " # / /& < ( / = ) (+ ./ 299 /646 ;B # )+ );+ # !A # # 5 ; # Model(YDS) A B C D E F G H I J K L M N 22~36C(A/B)15A 45~80C(A/B)15A 90~140C(A/B)15A Duct Connection The length of the duct should according to the static pressure outside the unit 39.2Pa ). Panel installatio (max. 98Pa 1. Unload the inner frame. Slide the knob, release the frame. n buckle from the outside frame hole, then unload the inner Inside frame Knob Buckle Outside frame 2. Hang the outside frame on the main body with face down. (4 places at 4 corners). Hang the belt on the hook of the main body . Note : The signal wire of the remote control receiver must be drawn out through the canvas duct. H ook Main body C anvas duct Waist-s haped hole fixed board G allus C eiling O utside frame O utside frame 3. Fix the outside frame and the canvas duct with screws. Screw must be fixed from the bottom to the top. Canvas duct S crew C eiling 4. Hang up the outside frame until it sticks to the ceiling tightly. Main body Canvas duct Duct C eiling O utside frame 5 P 5. Fix the main body and the outside frame with the x board of waist-shape hole (in two places). Tighten the other side of the board with screw to the outside frame. Bend the top of the broken end. Note : when hanging up the outside frame with the board of waist-shaped belt, stick the outside frame tightly to the ceiling and it. hole and the H ook Waist-s haped hole xed board O utside frame 6. Install the inner frame on the outside frame (the inverse sequence of unloading the inner frame). D uct O utside frame A ir i nlet I nner frame REFRIGERANT PIPE INSTALLATION Allowed Length and Drop of Pipes Requirements are when installing the outdoor unit, please refer to the outdoor unit installation manual for the detailed information. SIZES OF THE PIPES R22/R407C R410A R410A 19 12.7 15.9 Liquid 9.53 6.35 9.53 Models All 22-36 45-140 Gas 6 /+ *! 3 )$597#+ 4 > A > A >819%# ( ( < ; * # *%' , *B # Wiring Specifications Indoor Unit Power Items Manualr Switch Power Model M YDDN-22 ~140C(A/B)15A Controlling Wire Power Cord Indoor/Outdoor Unit Signal Wire Capacity Fuse Below 20m Below 50m Quantity Single Phase 220-240V~ 15A 15A Twisted-pair Twisted-pair 2 2mm 2 4mm 2 Ground Wire Diameter Not longer than 1500m 1.0mm 2 SingleWire 1.5mm 50Hz Indoor unit power supply The indoor unit power source should not be shared with the outdoor unit. The indoor units that connect to the same outdoor unit should use the same power source, creepage protector and main switch. Outdoor Uni t 380V ~ 3N Outdoor Power Supply Creepag e Protec tion Switch Wire Dis tributionBox Ground Wire Ground Wire Indoor/Outdoor Signa l Wire (2-co re scree ned wire) Indoor Unit 220-240V~ 50Hz Indoor P ower Supply Creepag e Protec tion Switch Indoor Unit 10 #= B " ;B 8(8 8(1 81 $' $' (: "#$ "#$ $' $53( :<5$((' ##<$55 @9(;@ @9(;@ @9(86@ ) 84 + &'#1 '/ B ; # #)>+ 9 1199<)92>+ 8 1299<)89>+ 1 3499<)81>+ 3 5699<)86>+ 5 6499<)19>+ 6 7899<)16>+ 4 2999<)39>+ 7 :999<)31>+ 2 88199<)59>+ : 85999<)69>+ 11 TROUBLESHOOTING No. Typ e C ontents L E D L amp flas h R emarks The e vaporator s ensor R un lamp flashes Malfun- check point is ab nomal , at 2.5Hz. 1 ction or ro om temp.se nsor is After the malfunctions disappear, it restores automatically. Malfun- Indoor/outdoor unit com2 ction munication is a bnormal. Condenser sensor check 3 Malfun- point is abnormal or outdoor ction temp. sensor is a bnormal. After the malfunctions disa ppea r, it res tores automatically. abnormal. 4 Malfun- Water level switch is ction 5 Alarm abnormal Mode conflict Th e timer la mp fla shes at 2. 5Hz. Run lamp All the indoor alarm After the malfunctions Timer lamp lamps flash a t 0.5Hz. disappear, it restores automatically. If the malfunctions can t Defrost lamp Alarm lamp flashes be s olved in three min. all the indoor alarm at 2.5Hz. lamps flash at 0.5Hz. Turn off the power to restore. When the indoor unit turns Defrost la mp to heating mode or is turned flashes a t 2.5Hz. off, the alarm will disappear. 12 Alarm lamp Manual Switch DE - COMMISSIONING DISMANTLING & DISPOSAL This product contains refrigerant under pressure, rotating parts, and electrical connections which may be a danger and cause injury! All work must only be carried out by competent persons using suitable protective clothing and safety precautions. Read the Manual Risk of electric shock Unit is remotely controlled and may start without warning 1. Isolate all sources of electrical supply to the unit including any control system supplies switched by the unit. Ensure that all points of electrical and gas isolation are secured in the OFF position. The supply cables and gas pipework may then be disconnected and removed. For points of connection refer to unit installation instructions. 2. Remove all refrigerant from each system of the unit into a suitable container using a refrigerant reclaim or recovery unit. This refrigerant may then be re-used, if appropriate, or returned to the manufacturer for disposal.Under No circumstances should refrigerant be vented to atmosphere. Where appropriate, drain the refrigerant oil from each system into a suitable container and dispose of according to local laws and regulations governing disposal of oily wastes. 3. Packaged unit can generally be removed in one piece after disconnection as above. Any fixing down bolts should be removed and then unit lifted from position using the points provided and equipment of adequate lifting capacity. Reference MUST be made to the unit installation instructions for unit weight and correct methods of lifting. Note that any residual or spilt refrigerant oil should be mopped up and disposed of as described above. 4. After removal from position the unit parts may be disposed of according to local laws and regulations. E-II-YDDN-0907 ENGLISH