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Components and Parts List of Outdoor Unit

The above data is subject to change without prior notice. 

Summary of Contents for ACP-18CH50GEI

Page 1: ...ACP 18CH50GEI RoHS Service manual ENG ...

Page 2: ......

Page 3: ... W H D mm Dimension of Package L W H mm Net Weight Gross Weight kg 900 800 675 Total Capacity W Low High Standard 850 750 650 787X400X25 4 58 53 50 1020X319X234 1078X325X390 MP28AA 2 PCB 3 15A Transformer 0 2A 48 43 40 96 X 797 Aluminum fin copper tube 7 2 1 6 3 0 2 Cross flow fan 1 A A GWHD24BCNK3A1A I 1400 1200 1100 45 GWHD24BCNK3A1A 220 240V 2 4 3 22 3 61 Model ACP 18CH50GEI Function Rated Volt...

Page 4: ...oss Weight kg Refrigerant Charge kg Outdoor unit Overload Protector Throttling Method Starting Method Sound Pressure Level dB A H M L Dimension W H D mm Model of Outdoor Unit Connec tion Pipe Length m Gas additional charge g m Outer Diameter Max Distance Compressor Manufacturer trademark Compressor Model Compressor Type L R A A Compressor RLA A Compressor Power Input W Fan Motor Capacitor uF Worki...

Page 5: ...Wrapping Tape 7 Drainage hose Connection pipe Air inlet Air Outlet Ņ Ł Ń ł ń Air inlet Air Outlet and connection wire Wireless remote control Heat This indicator is black for single Cooling cooling unit Set Temp 4 LED Board Component Name T Indoor unit Outdoor unit ...

Page 6: ...4 Overall and Installing Dimension Overall and Installing Dimension of Indoor Unit Air inlet grill Left Tube exit hole Top View Right Tube exit hole Unit mm Rear View Rear panel ...

Page 7: ...Overall and Installing Dimension of Indoor Unit 18K Unit mm above above above above Bolt Nut Wrench ...

Page 8: ...Overall and Installing Dimension of Indoor Unit 24K Unit mm Bolt Nut Wrench ...

Page 9: ...5 5 5 5 5 Electrical Diagram ACP 18CH50GEI ...

Page 10: ...iven the mian unit will run under the command In this mode the system selects COOL HEAT and FAN mode automatically according to the change of ambient temperature Protection function is the same as that in cooling and heating mode Temp can be set in the range of 16 30 In heating mode if compressor is running indoor fan will delay to run to avoid cold air blowing When compressor stops blowing When c...

Page 11: ...nother 1 after 2 hours Preset temperature will decrease by 2 in total within 2 hours After that the unit will run at this preset temperature the indoor fan will run at preset speed No sleep function under fan mode and auto mode 3 7 Speed Control of Indoor Fan The indoor fan will select fan speed HIGH MED or LOW automatically according to the change of ambient temp It can also be set by remote cont...

Page 12: ...Stop the unit or switch into other modes in heating mode the 4 way valve will de energize after the compressor has stopped for 2min In this mode the Temp setting range should be 16 30 1 4 2 Defrosting Process 2 1 Overload pretection When Ttube is detected too high the compressor will run in limited or dropped frequency When Ttube goes on rising over the stated value the compressor will stop If Ttu...

Page 13: ...at setting temp after compressor has stopped 3mins later it will resume to running status if continuously 6 times module protection the compressor cannot resume to run It is need to press ON OFF can resume If compressor running time exceeds 7min that the protection time will be clear to 0 The peak value for demagnetization current is 41A when deteced this value is more than regulated value whole u...

Page 14: ...UH RPSUHVVRU QRUPDOO UXQV 2YHU YROWDJH 30 RYHUKHDW SURWHFWLRQ DFN YROWDJH HPDJQHWL DWLRQ SURWHFWLRQ RQWLQXRXVO WLPHV VWDUWXS IDLOXUH 0HDQLQJ RI OLJKWV EOLQNV IRU GULYH ERDUG LU H KDXVW SURWHFWLRQ OLPLW IUHTXHQF 2XWGRRU WXEH VHQVRU PDOIXQFWLRQ 2XWGRRU DLU H KDXVW VHQVRU PDOIXQFWLRQ 3UHVHUYHG 0DOIXQFWLRQ ZLWK GULYH ERDUG FDQQRW UHFHLYH FRUUHFW GDWD IURP GULYH ERDUG V 3UHVHUYHG IRU RQH WR WZR XVH QWL...

Page 15: ...un at low speed invariably Swing will operate according to setting status Press the MODE button on the remote controller to select and display the following modes AUTO COOL DRY FAN HEAT AUTO 3 2 MODE Selection 3 4 Manual Button ON OFF If press AUTO button under off status of the unit the unit will run under auto mode with swing If press AUTO button under on status of the unit the unit will be stop...

Page 16: ...n to air outlet D1 and then return standby to L1 If the unit is in swing condition the guide louver will swing between L1 and D1 for cooling and between L and D2 for heating After the unit is off guide louver will anticlockwise turn to A position to close air outlet 3 10 Memory Function What can be memorized includes mode swing preset temperature preset fan speed If the system is in timer and slee...

Page 17: ...l Logic of Outdoor Fan If Tout amb 26 outdoor fan will run at high speed If Tout amb 24 outdoor fan will run at low speed In running if 24 Tout amb 26 the outdoor fan will remain original After turning on the unit the outdoor fan will be forced to run for 3 min and then run at logical speed Protection function the same as that in cooling mode Temp setting range 16 30 State of 4 way valve shut off ...

Page 18: ...e compressor will be stopped as the indoor room temperature meet the preset value after the compressor has stopped for 3 minutes it will resume its original operating status automatically If 6 successive times ofoverload protection happens the compressor won t resume running except pressing ON OFFbutton In running process if the comprssor has runfor 7 min the times of overload protection will be c...

Page 19: ...HWXUQ 1RPLQDO UHIULJHUDWLQJ KHDWLQJ EOLQNV 0D UHIULJHUDWLQJ KHDWLQJ EOLQNV 0HGLXP UHIULJHUDWLQJ KHDWLQJ EOLQNV 0LQ UHIULJHUDWLQJ KHDWLQJ EOLQNV 6WRS EOLQNV RZ SUHVVXUH XQUHVWRUDEOH HILQLWLRQ HILQLWLRQ HILQLWLRQ EOLQN EOLQNV EOLQNV EOLQNV EOLQNV EOLQNV EOLQNV EOLQNV 6WRS IRU UHGXFWLRQ RI IUHTXHQF WR ORZHVW 6WRS IRU 3 SURWHFWLRQ 6WRS IRU FRPSUHVVRU RYHUORDG EOLQN EOLQNV EOLQNV EOLQNV EOLQNV EOLQNV E...

Page 20: ...er Air guide louver Filter Screw Electric box top cover Front panel Wire terminal Open the front panel Firstly to screw off the screws that fixed at the guard plate on the receiving window both sides disassemble the guard plate then to remove the wiring terminal then along the groove that fix the front panel to take out the front panel Disassembling the filter and wire pressed clamp Disassemble th...

Page 21: ...er tray and then loosen the slipknot in the other end Pull out the terminal of stepping motor and then pull upwards the water tray to take it out Slipknot Water tray Terminal Operation procedures pictures Disassemble Front Case Screw cover Screws Open the three screw covers and unscrew five screws on front case Pull open the clasp at the front and rear sides can remove the front panel ...

Page 22: ...ts Motor Cross flow fan Disassemble Evaporator Use a screwdriver to loosen the screw 1pc of left side 2pcs of right side Take out the evaporator with your hands so that the side plate clamp of evaporator falls out from the groove Remove the evaporator with care Take care to protect the connecting pipe Screw Screw Screws Motor right clamp Disassemble Motor Use a screwdriver to loosen the 3 screws f...

Page 23: ...up can take off the top cover Disassemble the handle Handle Screw Screw off one screw which fix the handle then adown to push the handle then can take off the handle Disassemble the rear side plate sub assy Rear side plate Rear grill Screws Screw off the screws which fixed the rear grill and rear side plate disassemble the rear grill then can take off the rear side plate sub assy ...

Page 24: ...then can take off the cabinet Screw off the screw which fix the front case then pull it upwards can take off the front case Disassemble the electric box sub assy Screw off 2pcs screw which fix the electric box cover then can take off the electric box cover Use the screw driver to screw off 2pcs on the electric box pull out the wire terminal of the electric box then lift it up can take off the elec...

Page 25: ...lder the soldering point connecting the liquid valve and the fork type pipe and remove the liquid valve Liquid Valve Gas Valve Screws Disassemble Outdoor Motor Screw off the four tapping screws fixing the motor pull out the motor lead out cable plug and remove the motor Screw off the two tapping screws fixing the motor support and pull the motor support upwards to remove it Screw Motor Screw Disas...

Page 26: ...r Soldered dots Nut with washer Operating Procedures Photos Disassemble 4 Way Valve Screw off the holding nut of the 4 way valve coil and remove the coil Use wet cotton cloth to wrap the 4 way valve unsold the four soldering points connecting the 4 way valve and remove the 4 way valve Be quick during the unsoldering process pay attention to keep the wrapping cloth wet and do not allow the solderin...

Page 27: ...Front Side Plate Fig Disassemble Top Cover Unscrew the screws fixing the top cover and then lift the top cover to remove it As show in Fig 7 14 Screws Fig Disassemble Rear Grill Unscrew the screws fixing rear grill and rear side plate After removing rear grill disassemble rear side panel sub assy As show in Fig 7 15 Screws Fig Operating Procedures Photos ...

Page 28: ...electric box Disassemble the rear side plate Screw screw off 8pcs screw which fixed the rear side plate then can disassemble the rear side plate Screw off 4pcs screw which fix the electric box then can take off the electric box cover Screw off 5pcs screw from electric box pull out the wire terminal of electric box then lift it up can take off it ...

Page 29: ... and electric box to remove it Disassemble Four way Valve the four way valve to take it out Welding process wet cotton and unsolder the 4 weld spots connecting and remove the coil Wrap the four way valve with Unscrew the fastening nut of the four way valve coil cotton wet all the time Be sure not to burn out the should be as quick as possible and keep wrapping lead out wire of compressor Only for ...

Page 30: ...d remove the gas valve caution when unsoldering the soldering point wrap the gas valve completely with wet cloth so as to prevent the valve body from harmed by high temperature Unscrew the four bolts fixging the liquid valve and remove the liquid valve refer to Figure 7 23 Fig Bolt Bolt Liquid Valve Gas Valve Disassemble Compressor Unscrew the six nuts with washers at the feet of the two compresso...

Page 31: ...8 Exploded View and Components and Parts List Exploded View of Indoor Unit ...

Page 32: ...Transformer 57X25C 43110237 1 19 Tube Sensor 20k 390000595 1 20 Sensor Insert 42020063 1 21 Upper Shield of Electric Box 01592038 1 22 Receiver Board 5H53EA 30545552 1 23 Electric Box 20112018 1 24 Filter Assy 11122048 2 25 Evaporator Support 24212067 1 26 Drainage Pipe 05230014 1 27 Pipe Clamp 24242001 1 28 Screw Cover 24252015 3 29 Fan Bearing 76512210 1 30 Motor FN20X 150120671 1 31 Swing Link ...

Page 33: ...Exploded View of Indoor Unit ...

Page 34: ...8 Transformer 57X25C 43110237 1 19 Tube Sensor 20k 390000595 1 20 Sensor Insert 42020063 1 21 Upper Shield of Electric Box 01592038 1 22 Receiver Board 5H53EA 30545552 1 23 Electric Box 20112018 1 24 Filter Assy 11122048 2 25 Evaporator Support 24212067 1 26 Drainage Pipe 5230014 1 27 Pipe Clamp 24242001 1 28 Screw Cover 24252015 3 29 Fan Bearing 76512210 1 30 Motor FN20X 150120671 1 31 Swing Link...

Page 35: ...Exploded View of Outdoor Unit ...

Page 36: ... B C 2 R Q 1 4 2 C a p a cito r C B B 6 1 3 u F 4 5 0 V 1 4 3 E le ctric B o x C o ve r 1 4 4 Va lve 1 2 1 4 5 Va lve 1 4 1 4 6 Va lve S u p p o rt 1 4 7 R u b b e r fo o t o f co m p re s s o r 3 4 8 O H Th e rm is to r 1 4 9 C o m p re s s o r C 6 R VN 9 3 H O V 1 5 0 E le ctric H e a te r B a n d C o m p re s s o r 1 N o D e s crip tio n Q ty P a rt C o d e A C P 1 8 C H 5 0 G E I O 0 1 4 7 3 0...

Page 37: ...Exploded View of Outdoor Unit ...

Page 38: ...tin g s 1 4 2 G a s Va lve S u b As s y 1 4 3 R e a r S id e P la te 1 4 4 C a b le C ro s s L o o p 1 4 5 C o m p re s s o r 1 4 6 U n d e rp a n As s y 1 4 7 Fro n t S id e P la te 1 4 8 E le ctric H e a te r B a n d C o m p re s s o r 1 4 9 C h o ke P lu g 1 5 0 E le ctric H e a te r B a n d Me ta l B a s e 1 0 6 8 1 3 4 0 1 7 6 5 1 0 0 0 4 1 0 0 1 0 3 0 5 1 0 1 2 0 3 5 6 0 0 1 3 0 5 2 4 7 3 2 ...

Page 39: ...ies of remote controller are low Malfunction of remote controller Loose or poor connection of receiving head Receiving head is broken Measure the insulating resistance for grounding to confirm whether there is electrical leakage or short circuit in the unit Insulation malfunction of line or componen in the air conditioner Insulation breakdow occurs after radiation which causes shor circuit or elec...

Page 40: ...both thick pipe and thin pipe are insulated well The exposed part of the connector and copper pipe must be insulated as well Heat exchanger of outdoor unit is blocked Air filters are blocked Fan speed is set too slow Fan speed turns low Improper installation location for outdoor unit Outdoor unit should be installed in a place with well ventilation Set the fan speed to high or medium speed Clean t...

Page 41: ... FRROLQJ RU KHDWLQJ RXWGRRU IDQ UXQV EXW FRPSUHVVRU GRHVQ W UXQ 0DOIXQFWLRQ RI FRPSUHVVRU 5HSODFH WKH FRPSUHVVRU 5H IDVWHQ WKH FRQQHFWLRQ KHFN LI LQSXW LV 9 I QRW UHSODFH WKH UHFWLILHU 5HSODFH WKH SRZHU PRGXOH 3 EQRUPDO RXWSXW RI SRZHU PRGXOH 3 EQRUPDO LQSXW 3 1 RI SRZHU PRGXOH 3 3RRU FRQWDFW RI FRQQHFWLRQ EHWZHHQ WKH PDLQ FRQWURO ERDUG 3 DQG PRGXOH 3 KHQ FRROLQJ RU KHDWLQJ RXWGRRU IDQ UXQV EXW FR...

Page 42: ...en connect screw 2 Stick absorbing clay between plates Louver of outdoor unit touched outer case Adjust location of louver Abnormal sound inside compressor Change compressor Abnormal solenoid sound from 4 way valve when heating Circuit short inside solenoid of the valve and change the solenoid valve Drainage pipe blocked or broken Change drainage pipe 42 Note 1 When maintaining before detecting th...

Page 43: ...VH UHIHU WR WKH PDOIXQFWLRQ DQDO VLV LQ WKH SUHYLRXV VHFWLRQ IRU KDQGOLQJ PHWKRG 30 PRGXOH SURWHFWLRQ Processing method Once the module malfunction happens if it persists for a long time and can not be self canceled cut off the power and turn off the unit and then re energize the unit again after about 10 min After repeating the procedure for sever times if the malfunction still exists replace the...

Page 44: ...e voltage of outdoor fan connector No voltage Normal voltage Replace the fan Replacethemainboard motor of outdoor unit Check if radiating paste is spread evenly or radiating sticker is stuck well if screws of power module is tightened Reinstall power module and re spread radiating paste or stick radiating sticker on the radiator of power module Poor radiation heat exchanger is dirty Remove obstruc...

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