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Summary of Contents for Gree GWH07QA-K3NNA1A
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Page 1: Service Manual
Change for Life Service Manual GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI... - Page 12 Cooling Heatling Conditions Conditions Indoor:DB27℃ WB19ºC Indoor:DB20ºC Indoor air flow: Super High Indoor air flow: Super High Pipe length: 5m Pipe length: 5m 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp.(ºC) Outdoor temp.(ºC) Cooling Heatling...
- Page 13 Cooling Heatling Conditions Conditions Indoor:DB27℃ WB19ºC Indoor:DB20ºC Indoor air flow: Super High Indoor air flow: Super High Pipe length: 5m Pipe length: 5m 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 -10 -7 -5 Outdoor temp.(ºC) Outdoor temp.(ºC) Cooling...
- Page 15 168.5 159.5 Φ55 Φ55 Φ55 Φ55 123.5 541.6 179.6 Φ55 Φ55 Φ55 Φ55 124.7 83.2 Φ70 Φ70...
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Page 18: Indoor Unit
Indoor unit Outdoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction exchanger (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Capillary Strainer COOLING HEATING... - Page 20 BN(BK) BU(WH) ROOM TUBE RECEIVER AND TEMP. TEMP. YEGN(GN) DISPLAY BOARD SENSOR SENSOR POWER DISPLAY EARTH-PLATE YEGN YEGN EVAPORATOR T-SENSOR DISP1 DISP2 L101 N(1) L(AC-L) JUMP COMP PRINTED CIRCUIT BOARD 4WAY (SWING) SWING-UD OFAN CONNECTING TERMINAL HEALTH-L HEALTH-N CABLE BLOCK COLD PLASMA STEPPING GENERATOR...
- Page 23 Name Compressor interface Interface of power cord live wire Interface of power cord neutral wire Interface of cold plasma neutral wire PG motor interface Outdoor fan interface 4-way valve interface Interface of cold plasma live wire Up&down swing interface PG motor feedback interface Left&right swing interface Jumper cap Temperature sensor interface...
- Page 25 Auto...
- Page 28 Display Receiver Operation icon Cooling icon window Dual-8 nixie Heating icon Drying icon tube display (Display content or position may be different from above graphics, please refer to actual products) Start cooling Tamb. Tpreset +1 ˚C Original operating status Tpreset –1 ˚C Stop cooling 6 min.
- Page 29 Freeze protection period 3 min Compressor Outdoor fan motor Indoor fan motor Set fan speed amb. Cooling preset Drying preset- Stop 6 min 6min. 4min. 4min. Compressor Outdoor fan motor Indoor fan motor Low speed...
- Page 30 When Tamb.-Tsupplementary Tset-1 , the unit starts heating operation. In this case, the 4-way valve, compressor and ODU fan motor run simultaneously; the IDU fan motor will run after a while to prevent blowing cold air. When Tamb.-Tsupplementary Tset+1 , the compressor and ODU fan motor stop; the 4-way valve remains energized; the IDU fan motor blows residual heat for a while in set speed.
- Page 31 Emergency Press OFF status ON status(Auto mode) operation switch Press O(0°)
- Page 32 When air conditioner is in auto defrosting, the heating icon will be on for a while and then extinguish.
- Page 36 Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...
- Page 38 Rear left Wall Wall Level meter Mark in the middle of it Space Space Right to the to the wall wall above above Left Right 150mm 150mm Right Left Φ55mm Φ55mm Rear piping hole Rear piping hole Cut off Wall Wall the hole Level meter...
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Page 39: Outlet Pipe
wiring board grounding wire Drain hose ( 1 ) Outlet pipe Tape Drain hose Outlet wire clip pipe Note: the wiring board is for reference only, please refer to the actual one. Drain hose Insulating pipe screw panel wiring cover Cable-cross hole Indoor and... - Page 40 Foot holes screw handle Foot holes Indoor Outdoor Wall pipe Sealing gum Upper hook Liquid pipe Pipe joint Liquid gas pipe valve Union nut gas valve Lower hook of wall-mounting frame N(1) N(1) yellow- yellow- blue black brown violet orange blue black violet orange...
- Page 41 Liquid valve Piezometer Gas valve Valve cap Refrigerant charging vent Nut of refrigerant Charging vent Vacuum pump The drain hos can't raise Inner hexagon upwards spanner Wall Close Open U-shaped curve Drain hose The drain hose can't be fluctuant The water outlet can't be placed The drain hose in water...
- Page 44 Troubleshooting for F1,F2 malfunction the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Is malfunction eliminated Is there short circuit due to trip - over of the parts? Make the parts upright Is malfunction eliminated Is the...
- Page 45 Troubleshooting for H6 malfunction Stir the blade with a tool to see whether the blade rotates smoothly Tighten the screw; reassemble the blade, motor and shaft bearing rubber base sub-assy to make sure there is no foreign object between them Is malfunction eliminated Is the...
- Page 46 Troubleshooting for C5 malfunction Appearance of Is there jumper cap on the the jumper cap mainboard ? Assemble the jumper cap with the same model Is malfunction eliminated the jumper cap inserted correctly and tightly ? Insert the jumper cap tightly Is malfunction eliminated...
- Page 47 Troubleshooting for E5 malfunction Is the supply voltage unstable Normal fluctuation is within 10 % of the rated Malfunction is with big fluctuation? voltage on the nameplate eliminated Is the supply voltage too low Malfunction is Adjust the supply voltage to maintain it within Malfunction is with overload? eliminated...
- Page 48 Troubleshooting for E8 malfunction Outdoor and indoor heat Clean the outdoor and indoor heat exchangers Malfunction is exchangers are too dirty or the air eliminated. and remove blockage of air inlet/outlet. inlet/outlet is blocked. Fan motor is not working. Check motor and re-install the motor Malfunction is Abnormal fan speed;...
- Page 49 Troubleshooting for U8 malfunction Re-energize1 minute after de-erergization The unit returns to normal. Conclusion:U8 is displayed due U8 is still to instant energization afte de- displayed energization while the capacitor discharges slowly. The zero-cross detection circuit of the mainboard is defined abnormal.Replace the mainboard with the same model...
- Page 67 1. Remove filter sub-assy Panel Open the panel; push the left and right filters to make the filters separate from Panel case the groove of panel case; remove the Left filter left and right filters. Right filter Groove Remove the 2 screws fixing the display and then remove the display and panel.
- Page 68 Loosen the clasp connecting the panel case assy and bottom case assy; lift the panel case assy to remove it.
- Page 69 wiring terminal.
- Page 70 Groove Bottom case assy Separate the left part of condenser from the groove of bottom case assy; then separate the right part of condenser from the clasp of bottom case assy. Clasp...
- Page 73 assy compressor compressor capacitor.
- Page 78 Wire binder...
- Page 83 1. Remove valve cover Remove the 2 screws fixing valve cover and then remove the valve cover. Valve cover...
- Page 84 assy...
- Page 89 1. Remove valve cover Remove the 2 screws fixing valve cover and then remove the valve cover. Valve cover...
- Page 91 Protective grille compressor compressor capacitor.
- Page 96 Pipe Pipe cutter Leaning Uneven Burr Pipe Shaper Downwards Union pipe Pipe Hard mold Expander Pipe Smooth surface Improper expanding damaged leaning crack uneven surface thickness The length is equal...
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Page 100: Gree Electric Appliances,Inc.of Zhuhai
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI Add: West Jinji Rd, Qianshan, 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...