Gree Heat Pump Water Heater Service Manual
Gree Heat Pump Water Heater Service Manual

Gree Heat Pump Water Heater Service Manual

Heat pump water heater

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Heat Pump Water Heater( ( ( ( Northern Europe) ) ) )
Service Manual
GREE ELECTRIC APPLIANCES INC. OF ZHUHAI

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Summary of Contents for Gree Heat Pump Water Heater

  • Page 1 Heat Pump Water Heater( ( ( ( Northern Europe) ) ) ) Service Manual GREE ELECTRIC APPLIANCES INC. OF ZHUHAI...
  • Page 2: Table Of Contents

    CONTENTS RODUCT INTRODUCTION ..................2 1 MODELS LIST..........................2 2 NOMENCLATURE ........................2 3 FUNCTION ..........................3 4 PRODUCT DATA......................... 4 4.1 Product Data at Rated Condition..................4 4.2 Ambient Temp Range......................4 4.3 Electrical Data........................5 5 PIPING DIAGRAM........................6 UNITS CONTROL ......................8 1 OPERATION FLOWCHART.......................
  • Page 3 GREE COMMERCIAL AIR CONDITIONERS HEAT PUMP WATER HEATER (NORTHERN EUROPE) PRODUCT...
  • Page 4: Roduct Introduction

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) PRODUCT RODUCT INTRODUCTION 1 MODELS LIST Model Nominal Power Supply Appearance Capacity (V,Ph,Hz) (kW) Refrigerant Model Name KFRS-9/Na-M 380~415V R410A 3Ph 50Hz GRS-S16/Na-M(O) Note:1Ton =12000Btu/h = 3.517kW 2 NOMENCLATURE K F RS - 9 / Na - M...
  • Page 5: Function

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) PRODUCT Description Options Air Source Split Type F= Split Type, Default= Integral Type Heat Pump Water Heater Heating Capacity Refrigerant Na=R410A, Default=R22 M=380~415V 3Ph 50Hz Voltage G RS - S 16 / Na - M (0)
  • Page 6: Product Data

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) PRODUCT 4 PRODUCT DATA 4.1 Product Data at Rated Condition Technical parameters of host unit Models KFRS-9/Na-M GRS-S16/Na-M(O) Nominal Capacity Heating Btu/h 30708 54592 2.56 4.55 Power Consumption Heating Power Supply 380~415V,3Ph,50Hz High/Low pressure switch, compressor thermal...
  • Page 7: Electrical Data

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) PRODUCT 4.3 Electrical Data Fan Motor Compressor Total Rated Outdoor Model Power Supply each each (A) (A) (A) (A) (A) 10.8 12.3 KFRS-9/Na-M 380~415V 3Ph 50Hz 15.0 19.5 12.0 GRS-S16/Na-M(O) Notes: LRA: Locked rotor amps (A)
  • Page 8: Piping Diagram

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) PRODUCT 5 PIPING DIAGRAM Water tank Hot water High-pressure switch City water Compressor Low-pressure switch Four-way valve High pressure tank Thermal expansion valve Liquid-gas separator Aluminum fin-copper tube coil...
  • Page 9 GREE COMMERCIAL AIR CONDITIONERS HEAT PUMP WATER HEATER (NORTHERN EUROPE) CONTROL...
  • Page 10: Units Control

    GREE COMMERCIAL AIR CONDITIONERS HEAT PUMP WATER HEATER (NORTHERN EUROPE) UNITS CONTROL 1 OPERATION FLOWCHART...
  • Page 11 HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION...
  • Page 12: Main Logic

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION 2 MAIN LOGIC 2.1 Heating Mode When press ON button, if the temperature of water tank meets the heating running requirements, it starts the fans of outdoor unit. Then the compressor will run after 15s.
  • Page 13: Wired Controller

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION off and the outdoor fan will stop after 2s. The condition of quit defrosting mode: Under defrosting mode, if the continual defrosting time is over the set continual time of defrosting (default 8min) , and the defrosting temperature is over the set stopping temperature(default 20℃) ,the unit will restart running heating mode, and the 4-way valve will turn on and the outdoor fan will run.
  • Page 14 HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION M O DE CH ECK QU IT O FF Name Function description MODE button This button is available only on heating unit. Press it once under normal state to enter check mode, under check mode, press this button when “17” is displayed can change the value of “17”.
  • Page 15 HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION Note: (1) Turn On, Off Auxiliary Heater: It is only available for heat pump unit. Press CHECK once to enter Check mode. Press ▲ and ▼ to change check object, press CHECK again till the present check object becomes “17”, value “17”...
  • Page 16: Installation

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION Individual temperature or parameter may exceed 99, then adopt AX for 100~109, bX for 110~119, CX for 120~129, dX for 130~139, EX for 140~149, FX for 150~159, and X stands for a number between 0~9.
  • Page 17 HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION Caution: During the installation of the bottom plate of the wire controller, pay attention to the direction of the bottom plate. The plate’s side with two notches must be at the lower position, and otherwise the panel of the wire controller cannot be correctly installed.
  • Page 18: Control Wiring Design

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION Caution: The communication distance between the main board and the wire controller can be as far as 20m (The standard distance is 8m).The wire controller shall not be installed in a place where there is water drop or large amount of water vapor.
  • Page 19 HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION INSTALLATION...
  • Page 20: Units Installation

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION UNITS INSTALLATION 1 UNITS INSTALL 1.1 Installation Positions For outdoor unit: The installation is frost-free. The space around the unit is adequate for servicing. The space around the unit allows for sufficient air circulation.
  • Page 21: Installation Clearance Date

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION GRS-S16/Na-M(O) Unit: mm 1.4 Installation Clearance Date air inlet air outlet...
  • Page 22 HEAT PUMP WATER HEATER (NORTHERN EUROPE) INSTALLATION unit:mm demonstration distance >500 >1000 >500 >500...
  • Page 23: Electric Wiring Work

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE 2 ELECTRIC WIRING WORK 2.1 Wiring Principle The power cord should firstly connect with dynamic power terminal in electric box and then connect with relevant power terminals of outdoor unit and electric heater. Never mistake the connection to avoid damage to electric elements.
  • Page 24: Specification Of Power Supply Wire And Air Switch

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE 2.3 Specification of Power Supply Wire and Air Switch Power cable specifications and air switch types in the following list are recommended for selection. Min. sectional Min. sectional Air switch area of area of power...
  • Page 25 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE MAINTENANCE...
  • Page 26: Units Maintenance

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE 1 ERROR CODE LIST UNITS MAINTENANCE Code Indication Error Name Cause of Error Code Control Description Comp High-pressure switch is broken or the wiring is loose. The water in the tank is not enough.
  • Page 27: Flow Chart Of Troubleshooting

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE 2 FLOW CHART OF TROUBLESHOOTING (1)Comp High-pressure Protection E1 Comp High-pressure Protection E1 Check if the water in Fill the tank with the water the tank is enough Check if the installation of...
  • Page 28 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE (3)Comp Discharge Temp Protection E4...
  • Page 29 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE (4) Comp Overload Protection E5...
  • Page 30 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE (5)Fan 1 Overload Protection E8 (6)Fan 2 Overload Protection b8...
  • Page 31 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE (7) Temperature Sensor Error F3, F5, F7 (8) Communication Malfunction EC...
  • Page 32 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE Com m unication M alfunction EC Check if the com m unication Check the orientation line of the unit is connected of plug and socket M easure if the Com munication Replace the com m unication line...
  • Page 33: Disassembly And Assembly Procedure Of Main Parts

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE 3 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS Disassembly and Assembly of external casing Remark:Please first cut off the power and drain let the Freon out of the unit Operation Procedure Illustration (1) Remove the front case Remove the panel ·Loosen the two tapping screws fixing...
  • Page 34 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE 3)Remove the front plate. · Loosen the two tapping screws fixing the front plate. Remove the front plate.(See Fig. 5) grill Fig. 4 Fig. 5 4)Remove the grill · Loosen the two tapping screws fixing the grill.
  • Page 35 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE (2) Remove the axial fan · Loosen the ball nuts fixing the axial fan and remove the washer.(See Fig. 7) ·Pull outward to remove the impeller. (See Fig. 7) Ball Nut Fig. 7 Motor support Fig.
  • Page 36 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE · Loosen the two screws fixing the motor. Pull backward and remove the motor.(See Fig .10) ·Loosen the wire of motor, and pull it through the hole. Fig. 10 (4) Remove the 4-way valve Remove the 4-way valve ·Loosen the screws fixing the coil of...
  • Page 37 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE cover. Remove pressure switches and temp. sensor.(See Fig.12) Fig.12 (6)Remove compressor and gas-liquid separator · Remove the connection wire of compressor。 (See Fig.13) Compressor Gas-liquid separator Fig.13 · welding out the suction pipe and discharge pipe.(See Fig.13)...
  • Page 38 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE 1. Remove gas valve ·Loosen the bolts fixing the gas valve. ·welding out the pipe connected to the gas valve (See Fig.14). Note:When welding, the valve should be Bolts Gas valve covered by wet cloth in order to avoid the Fig.14...
  • Page 39: Exploded Views And Part List

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE 4 EXPLODED VIEWS AND PART LIST 4.1 Single Fan Exploded Views: Name of part Part code Quantity Valve Support Sub-Assy 01715001 Compressor Support Sub-Assy 01802222 Chassis Sub-Assy 01282235 Wooden Package Base 501154042 Compressor and Fittings...
  • Page 40: Double Fan

    HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE Cut-off Valve Sub-Assy 07332217 Gas-liquid Separator Assy 07255403 Bidirection Accumulator 07228741 Inflate Valve Sub-Assy 07332218 Rear Grill 01475401 Front Side Plate Sub-Assy 01312232 Rear Side Plate Sub-Assy 01305402 Capacitor CBB61 33010013 Main Board...
  • Page 41 HEAT PUMP WATER HEATER (NORTHERN EUROPE) MAINTENANCE Accumulator 07422204 Chassis Sub-Assy 01192813P Liquid Valve Sub-Assy 07302803 Compressor and Fittings 00205205 Front Side Plate Sub-Assy 01305430 Handle 26235253 Axial Flow Fan 10338731 Fan Motor 150154513 Motor Support Sub-Assy 01705471 Front Grill...

This manual is also suitable for:

Kfrs-9/na-mGrs-s16/na-mGrs-s16/na-mo

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