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8. Remove motor and motor suppor  

Remove the 4 tapping screws fixing the motor and  
disconnect the leading wire insert of the motor. Then  

  

remove the motor. 
Remove the 2 tapping screws fixing the motor  
support and lift the motor support to remove it . 

9. Remove electric box 

Remove screws fixing the electric box subassembly;  
loosen the wire bundle and unplug the wiring  

  

terminals. Then lift the electric box to remove it . 

10. Remove isolation shee  

Remove the 3 screws fixing the isolation sheet and  
then remove the isolation sheet. 

11 . Remove soundproof sponge   

Remove the soundproof sponge wrapping the  
compressor. 

isolation sheet  

soundproof sponge   

electric bo x 

motor suppor t 

moto r 

Summary of Contents for GWC12NC-K3NNA3E

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual 0RGHOV 1 11 1 11 1 11 1 11 1 11 1 11 5HIULJHUDQW 5 ...

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Page 12: ...tor Accumlator 4 Way valve COOLING Discharge Suction Discharge Suction Heat exchanger evaporator Heat exchanger evaporator Heat exchanger condenser Heat exchanger condenser Valve Valve Valve Valve Liquid pipe side Gas pipe side Liquid pipe side Gas pipe side Compressor Compressor Strainer Strainer Strainer Capillary Capillary RQQHFWLRQ SLSH VSHFL FDWLRQ LTXLG SLSH PP DV SLSH PP ...

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Page 14: ...D RECEIVERAND TRANSFORMER STEPPINGMOTOR M1 FANMOTOR PG PGF TUBETEMP ROOMTEMP SENSOR SENSOR TUBE RT1 RT2 ROOM AP1 PRINTED CIRCUIT BOARD JUMP CAP OUTDOOR UNIT SWING UD M2 N 1 2 4 5 OG VT BK BU K1 AC L COMP OG VT OFAN 4V XT BK BU N1 EARTH PLATE PE PE EVAPORATOR YEGN BU WH BN BK YEGN GN YEGN POWER DISPLAY 0 0 I I I N L 1 11 2 Ɣ 2XWGRRU 8QLW ...

Page 15: ... W X C T U 5 4 C1 E R M V E E E C2 E 2 COMP MOTOR YEGN BU YE BK YEGN BU BK VT OG BU BU INDOOR UNIT OG RD BN BU YEGN XT2 XT1 M1 M2 YV N 1 MOTOR FAN 7KHVH FLUFXLW GLDJUDPV DUH VXEMHFW WR FKDQJH ZLWKRXW QRWLFH SOHDVH UHIHU WR WKH RQH VXSSOLHG ZLWK WKH XQLW ...

Page 16: ...of PG motor feedback 8 Relay of controlling outdoor unit 9 Relay of controlling 4 way valve 10 Connected to display board 11 Terminal of indoor tube temperature sensor 12 Terminal of indoor ambient temperature sensor 13 Ouput of transformer 14 Live wire 15 Fuse 16 Compressor relay and live wire terminal 17 Relay of controlling cold plasma 18 Piezoresistance 19 Fan capacitor 20 Live wire for health...

Page 17: ...tton X FAN Button TEMP Button LIGHT Button SLEEP Button CLOCK Button TURBO Button Button 2 6 8 3 9 10 7 5 12 11 4 1 Operation mode Temp display type 1 ON OFF Button Press this button can turn on or turn off the air conditioner After turning on the air conditioner operation indicator on indoor unit s display is ON green indicator The colour is different for different models and indoor unit will giv...

Page 18: ...r 16 30 Fan speed auto low speed medium speed high speed 3 or Button Press or button once increase or decrease set temperature 1 Holding or button 2s later set temperature on remote controller will change quickly On releasing button after setting is finished temperature indicator on indoor unit will change accordingly Temperature can t be adjusted under auto mode When setting TIMER ON TIMER OFF or ...

Page 19: ... duct During x fan operation press X FAN button to turn off x fan function Indoor fan will stop operation immediately 9 TEMP Button By pressing this button you can see indoor set temperature indoor ambient temperature or outdoor ambient temperature on indoor unit s display The setting on remote controlleris selected circularly as below When selecting or no display with remote controller temperatur...

Page 20: ... display please replace batteries Signal sender Battery Cover of battery box Remove Reinstall 1 After putting through the power press ON OFF button on remote controller to turn on the air conditioner 2 Press MODE button to select your required mode AUTO COOL DRY FAN HEAT 3 Press or button to set your required temperature Temperature can t be adjusted under auto mode 4 Press FAN button to set your ...

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Page 28: ...5cm At least 15cm At least 250cm Space to the wall S p a c e t o t h e o b s t r u c t i o n Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstruction Space to the obstruction A t l e a s t 3 0 0 c m At least 50cm At least 200cm At least 30cm At least 30cm At least 50cm r o o l f e h t o t e c a p S ...

Page 29: ...or unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit select it accord...

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Page 36: ...ned or poorly contacted Insert the temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfunction eliminated Replace the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfuncti...

Page 37: ...orrectly Is malfunction eliminated no no yes yes Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened no yes yes Is the motor started up no Is malfunction eliminated yes yes yes no yes Is malfunction eliminated Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make ...

Page 38: ...umper cap inserted correctly and tightly Replace the jumper cap with the same model End yes yes Assemble the jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfunction eliminated no no yes Is malfunction eliminated no yes Replace the mainboard with the same model 0DOIXQFWLRQ RI 3URWHFWLRQ RI XPSHU DS ...

Page 39: ...d The unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same model End No Yes 0DOIXQFWLRQ RI HUR FURVVLQJ QVSHFWLRQ LUFXLW 0DOIXQFWLRQ RI WKH 8 DQ 0RWRU 8 ...

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Page 59: ... 2 Remove big handle Remove the connection screw fixing the big handle and then remove the handle 3 Remove top panel Remove connection screws connecting the top panel with the front panel and the right side plate and then remove the top panel big handle top panel 1RWH 7DNH KHDW SXPS XQLW IRU H DPSOH ...

Page 60: ...el with the chassis and the motor support and then remove the front panel Remove connection screws connecting the right side plate with the chassis the valve support and the electric box Then remove the right side plate Remove the nut on the blade and then remove the axial flow blade 5 Remove front panel front grille 6 Remove right side plate front panel right side plate 7 Remove axial flow blade ...

Page 61: ...ft the motor support to remove it 9 Remove electric box Remove screws fixing the electric box subassembly loosen the wire bundle and unplug the wiring terminals Then lift the electric box to remove it 10 Remove isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the isolation sheet 11 Remove soundproof sponge Remove the soundproof sponge wrapping the compressor isolation...

Page 62: ... welding slag during unsoldering Remove the 2 screws fixing the gas valve and unsolder the welding point between the gas valve and the air return pipe to remove the gas valve NOTE Discharge the refrigerant completely before unsoldering when unsoldering wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high temperature Remove the 2 screws fixing the liquid valve ...

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Page 68: ...anshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Tower 132 Nathan Road TST Kowloon HK Tel 852 31658898 Fax 852 31651029 ...

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