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Service Manual
Part Ⅰ : Technical Information
1. Summary
Outdoor Unit
GWHD(36)NK3JO
GWHD(42)NK3JO
Technical Information
1

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Summary of Contents for Gree GWHD(36)NK3JO

  • Page 1 Service Manual Part Ⅰ : Technical Information 1. Summary Outdoor Unit GWHD(36)NK3JO GWHD(42)NK3JO Technical Information...
  • Page 2: Specifications

    Service Manual 2. Specifications Model GWHD(36)NK3JO GWHD(42)NK3JO Product Code CN860W0190 CN860W0200 Rated Voltage 220-240 220-240 Power Rated Frequency supply Phases Cooling capacity(max~min) 10000(2600~10500) 11400(2600~12000) Heating capacity(max~min) 11200(2600~12000) 12000(2600~13000) Cooling Power Input 3000 3500 Heating Power Input 3100 3250 Cooling Current Input 12.5...
  • Page 3 Cross-sectional Area of Power Cable Conductor Recommended Power Cable(Core) Connection Pipe Connection Method Flare Connection Flare Connection Not Additional Gas Connection Pipe Length Connection Pipe Gas Additional Charge Outer Diameter of Liquid Pipe(GREE Allocation) Φ6 Φ6 (Metric)1 Outer Diameter of Gas Pipe(GREE Allocation) Φ9.52 Φ9.52...
  • Page 4: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 1016 1098 Unit:mm Technical Information...
  • Page 5: Refrigerant System Diagram

    Service Manual 4. Refrigerant System Diagram Heat Exchanger Filter Four-way Valve Silencer High Pressure Swicth Outdoor Unit Compressor Electronic Expansion Valve Gas/Liqiud Separator Filter Stop Valve Heating Cooling Heat Exchanger Indoor Unit Heat Exchanger Heat Exchanger Heat Exchanger Heat Exchanger Schematic Diagram of Free Match Series Inverter Heat Pump System Technical Information...
  • Page 6: Electrical Part

    Symbol Name White GREEN COMP Compressor Yellow Brown Grouding wire Blue YEGN Yellow/Green Black Violet Orange Outdoor Unit ● (1)Model:GWHD(36)NK3JO YEGN AC-L POWER OUTLET PIPE RT3A-D TEMP. SENSOR N(1) N(1) INDOOR INLET PIPE UNIT RT2A-D P1-1 TEMP. SENSOR GND1-1 OUTDOOR...
  • Page 7: Service Manual

    Service Manual (2)Model:GWHD(42)NK3JO YEGN AC-L POWER OUTLET PIPE RT3A-E TEMP. SENSOR N(1) N(1) INDOOR INLET PIPE UNIT RT2A-E P1-1 TEMP. SENSOR EV-A EKV-A GND1-1 OUTDOOR RT1B-C TUBE SENSOR OUTDOOR RT1D TEMP.SENSOR EV-B EKV-B DISCHARGE RT1A N(1) GND1-2 N(1) TEMP.SENSOR INDOOR P1-2 UNIT XTA-E...
  • Page 8: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram ● Top view 12 13 14 15 1 T25AH 250V: Fuse 2 N: terminals of neureal wire 3 AC-L: terminals of line wire 4 PFC electrocircuit U/V/W: terminals of compressor OVC-COMP: terminals of overload protector HPP: terminals of high pressure switch EVA-EVE: terminals of...
  • Page 9: Function And Control

    Service Manual 6. Function and Control 1. Function Control 1) Cooling mode a. Turning on the unit for cooling operation, and if any one of the indoor units satisfy the cooling operation condition, the system will start for cooling operation; and the electronic expansion valve, the outdoor fan and the compressor start operation. b.
  • Page 10 Service Manual 5) System high-pressure protection a. When the high-pressure switch detects the system pressure higher than limit ,then the high-pressure switch cuts off, the system will stop to run. b.If high-pressure protection is detected for two times within one hour, only by cutting off the power and then reenergize that the compressor can restart.

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Gwhd(42)nk3jo

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