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Summary of Contents for GWH07QA-K3NNA1A

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Page 12: ...ons Indoor DB27 WB19 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C Indoor air flow Super High Pipe length 5m 32 33 34 35 36 37 38 39 40 41 42 43 44 45 15 13 11 9 7 5 3 1 1 3 5 7...

Page 13: ...DB27 WB19 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C Indoor air flow Super High Pipe length 5m 40 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Outdoor tem...

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Page 18: ...LQJ PRGHO 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 Capilla...

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Page 20: ...U WH YEGN GN N L TERMINAL BLOCK MOTOR SWING UD SWING K1 L AC L COMP CONNECTING CABLE DISPLAY BOARD RECEIVER AND PRINTED CIRCUIT BOARD DISPLAY STEPPING TUBE ROOM RT2 RT1 SENSOR TEMP SENSOR TEMP T SENSO...

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Page 23: ...cord live wire 3 Interface of power cord neutral wire 4 Interface of cold plasma neutral wire 5 PG motor interface 6 Outdoor fan interface 7 4 way valve interface 8 Interface of cold plasma live wire...

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Page 36: ...r 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 installati...

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Page 38: ...he middle of it Level meter Rear piping hole Wall Space to the wall above 150mm Space to the wall above 150mm 55mm Rear piping hole Left Wall 70mm Right Mark in the middle of it Level meter Rear pipin...

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Page 44: ...ed 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 Rep...

Page 45: ...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...

Page 46: ...mper 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 tig...

Page 47: ...l too high etc Is the indoor outdoor heat exchanger too dirty or are the air inlet and outlet blocked Normal fluctuation is within 10 of the rated voltage on the nameplate Malfunction is eliminated no...

Page 48: ...un normally Fan motor is not working Abnormal fan speed fan speed is too low or the fan doesn t run Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated End Compressor doesn t...

Page 49: ...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 defin...

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