Gree GWH09NB-K3NNA2A Service Manual Download Page 57

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3.Remove front grille and front panel

Remove the 2 screws connecting the front grille
with front panel. Remove front grille.

Remove the 5 screws connecting the front panel
with the chassis and the motor support. Remove
the front panel.

Remove the 6 screws connecting the right side
panel with the chassis, the valve support and the
electric box. Remove the right side panel.

4. Remove right side panel

right side panel

front grille

front panel

Summary of Contents for GWH09NB-K3NNA2A

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual ...

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Page 10: ... 6 VWHP LDJUDP Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Strainer Capillary RQQHFWLRQ SLSH VSHFL FDWLRQ LTXLG PP DV PP ...

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Page 14: ...ng Indoor ambient temp Set temp Outdoor ambient temp Sleep mode Set temperature Send signal Turbo mode Set time X fan mode Set fan speed Operation mode Temp display type 21 2 XWWRQ 3UHVV WKLV EXWWRQ FDQ WXUQ RQ RU WXUQ RII WKH DLU FRQGLWLRQHU IWHU WXUQLQJ RQ WKH DLU FRQGLWLRQHU RSHUDWLRQ LQGLFDWRU RQ LQGRRU XQLW V GLVSOD LV 21 JUHHQ LQGLFDWRU 7KH FRORXU LV GLIIHUHQW IRU GLIIHUHQW PRGHOV DQG LQGRRU...

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Page 17: ...WUROOHU LV IX RU WKHUH V QR GLVSOD SOHDVH UHSODFH EDWWHULHV Signal sender Battery Cover of battery box Remove Reinstall IWHU SXWWLQJ WKURXJK WKH SRZHU SUHVV 21 2 EXWWRQ RQ UHPRWH FRQWUROOHU WR WXUQ RQ WKH DLU FRQGLWLRQHU 3UHVV 02 EXWWRQ WR VHOHFW RXU UHTXLUHG PRGH 872 22 5 1 7 3UHVV RU EXWWRQ WR VHW RXU UHTXLUHG WHPSHUDWXUH 7HPSHUDWXUH FDQ W EH DGMXVWHG XQGHU DXWR PRGH 3UHVV µ 1 EXWWRQ WR VHW RXU ...

Page 18: ...r signal sending icon on display screen of remote controller will flash once If the air conditioner gives out a sound it indicates the signal has been send to air conditioner Under OFF status display screen of remote controller displays set temperature Under ON status display screen displays corresponding function icon of the air conditioner ON OFF button Press this button can turn on or turn off ...

Page 19: ...el Press this button to turn on up down swing SLEEP button Under COOL DRY or HEAT mode press this button to turn on sleep function Press this button again to cancel sleep function This function is not available for FAN mode and AUTO mode TIMER button Under ON status press this button to set TIMER OFF T OFF and H flash to display Press or button to adjust TIMER OFF setting within 5s After each pres...

Page 20: ...ection 2 Replace with two 7 AAA 1 5V dry batteries Make sure positions for pole and pole are correct 3 Reinstall batteries box cover Note During operation point the signal sender at the signal receiving window on indoor unit Distance between signal sender and receiving window can t exceed 8m and there should no obstacles between them As for the room with fluorescence lamp or wireless telephone sig...

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Page 28: ...15cm At least 15cm 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 r o o l f e h t o t e c a p S 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 ...

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: ... PG motor tightly no no Stir the blade by hand to see whether the blade rotate s smoothly Reinstall the blade and motor correctly 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 y...

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 56: ... 2XWGRRU 8QLW b handle a 1 Remove big handle Before disassembly Remove the screw fixing the big handle Remove the big handle Remove the 3 screws connecting the top panel with the front panel and the right side panel Remove the top cover 2 Remove top panel top panel ...

Page 57: ...ont panel Remove front grille Remove the 5 screws connecting the front panel with the chassis and the motor support Remove the front panel Remove the 6 screws connecting the right side panel with the chassis the valve support and the electric box Remove the right side panel 4 Remove right side panel right side panel front grille front panel ...

Page 58: ... the motor disconnect the leading wire insert of the motor Remove the motor Remove the tapping screws fixing the motor support Lift the motor support to remove it Remove screws fixing the electric box subassembly Loosen the wire bundle unplug the wiring terminals and lift the electric box to remove it 6 Remove electric box electric box motor motor support axial flow blade ...

Page 59: ...ove the 3 screws fixing the isolation sheet Remove the isolation sheet Remove the soundproof sponge wrapping the compressor Remove the screw fixing the magnet moil Remove the coil 8 Remove soundproof sponge 9 Remove magnet moil soundproof sponge isolation sheet magnet moil ...

Page 60: ...lve Unsolder the welding joint connecting the liquid valve and the Y type pipe Remove the liquid valve NOTE Discharge the refrigerant completely before unsoldering Unsolder welding joint connecting the capillary the valve and the outlet pipe of condenser to remove the capillary Do not block the capillary with welding slag during unsoldering Unsolder the pipes connected to the compressor Unsolder t...

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