Gree GWH09KF-K3DNA5G Service Manual
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Change for Life
Service Manual
Models: GWH09KF-K3DNA5G
GWH09KF-K3DNA6G
GWH09KF-K3DNA9G
GWH09KF-K3DNB1G
GWH09KF-K3DNB2G
GWH09KF-K3DNB4G
GWH09KF-K3DNA8G
GWH09KF-K3DNB3G
GWH12KF-K3DNA5G
GWH12KF-K3DNA6G
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
GWH12KF-K3DNA9G
GWH12KF-K3DNB1G
GWH12KF-K3DNB2G
GWH12KF-K3DNB3G
GWH12KF-K3DNB4G
GWH12KF-K3DNA8G
(Refrigerant R410A)

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Summary of Contents for Gree GWH09KF-K3DNA5G

  • Page 1 Change for Life Service Manual Models: GWH09KF-K3DNA5G GWH12KF-K3DNA9G GWH09KF-K3DNA6G GWH12KF-K3DNB1G GWH09KF-K3DNA9G GWH12KF-K3DNB2G GWH09KF-K3DNB1G GWH12KF-K3DNB3G GWH09KF-K3DNB2G GWH12KF-K3DNB4G GWH09KF-K3DNB4G GWH12KF-K3DNA8G GWH09KF-K3DNA8G (Refrigerant R410A) GWH09KF-K3DNB3G GWH12KF-K3DNA5G GWH12KF-K3DNA6G GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
  • Page 2: Table Of Contents

    Service Manual Table of Contents Part Ⅰ : Technical Information ................. 1 1. Summary ........................1 2. Specifications ......................3 2.1 Specification Sheet ......................3 2.2 Operation Characteristic Curve ..................9 2.3 Capacity Variation Ratio According to Temperature ............9 2.4 Cooling and Heating Data Sheet in Rated Frequency .............
  • Page 3 Service Manual 9. Maintenance ......................... 34 9.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ........... 34 9.2 Procedure of Troubleshooting ..................... 40 9.3 Maintenance Method for Normal Malfunction ..............55 10. Exploded View and Parts List ..............57 10.1 Indoor Unit ......................... 57 10.2 Outdoor Unit ........................
  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit: GWH09KF-K3DNA5G/I GWH12KF-K3DNA5G/I GWH09KF-K3DNA6G/I GWH12KF-K3DNA6G/I GWH09KF-K3DNA9G/I GWH12KF-K3DNA9G/I ON/OFF GWH09KF-K3DNB1G/I GWH12KF-K3DNB1G/I GWH09KF-K3DNB2G/I GWH12KF-K3DNB2G/I GWH09KF-K3DNB3G/I GWH12KF-K3DNB3G/I GWH09KF-K3DNB4G/I GWH12KF-K3DNB4G/I Technical Information...
  • Page 5 Service Manual GWH09KF-K3DNB4G/I GWH12KF-K3DNB4G/I Outdoor Unit: GWH09KF-K3DNA6G/O GWH12KF-K3DNA6G/O Remote Controller YB1F2(XFAN) AUTO HEALTH X-FAN HUMIDITY FILTER TURBO HOUR ON/OFF ON/OFF MODE X-FAN TEMP TIMER TURBO SLEEP LIGHT Technical Information...
  • Page 6: Specifications

    Service Manual 2. Specifications 2.1 Specification Sheet 1.GWH09KF-K3DNA6G(LCLH) 2.GWH09KF-K3DNB2G(LCLH) Model 3.GWH09KF-K3DNA5G(LCLH) 4.GWH09KF-K3DNA9G(LCLH) 5.GWH09KF-K3DNB1G(LCLH) 6.GWH09KF-K3DNB4G(LCLH) 1.CB146036201 2.CB409002701 Product Code 3.CB146037601 4.CB146037001 5.CB146037901 6.CB146038401 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) 2600(450~3230) Heating Capacity(Min~Max) 2800(450~4100)
  • Page 7 Service Manual Outdoor Unit Model GWH09KF-K3DNA6G/O Outdoor Unit Product Code CB146W36201 Compressor Manufacturer ZHUHAI LANDA COMPReSSOR CO.,LTD. Compressor Model QXA-A091ze190A Compressor Oil RB68eP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) Compressor Rated Load Amp (RLA) Compressor Power Input Compressor Overload Protector 1NT11L-6233 Throttling Method Electron expansion valve...
  • Page 8 Service Manual 1.GWH12KF-K3DNA6G(LCLH) 2.GWH12KF-K3DNB2G(LCLH) Model 3.GWH12KF-K3DNA5G(LCLH) 4.GWH12KF-K3DNA9G(LCLH) 5. GWH12KF-K3DNB1G(LCLH) 6.GWH12KF-K3DNB4G(LCLH) 1.CB146036101 2.CB409002401 Product Code 3.CB146037501 4.CB146037101 5.CB146038001 6.CB146038501 Rated Voltage 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) 3500(600~3960) Heating Capacity(Min~Max) 3800(600~5130) Cooling Power Input(Min~Max) 1150(220~1550) Heating Power Input(Min~Max) 1100(220~1650) Cooling Current Input...
  • Page 9 Service Manual Outdoor Unit Model GWH12KF-K3DNA6G/O Outdoor Unit Product Code CB146W36101 Compressor Manufacturer ZHUHAI LANDA COMPReSSOR CO.,LTD. Compressor Model QXA-A091ze190A Compressor Oil RB68eP Compressor Type Rotary Compressor Locked Rotor Amp (L.R.A) Compressor Rated Load Amp (RLA) Compressor Power Input Compressor Overload Protector 1NT11L-6233 Throttling Method Electron expansion valve...
  • Page 10 Service Manual 1.GWH12KF-K3DNA6G(LC) 1.GWH09KF-K3DNA6G(LC) 2.GWH09KF-K3DNA9G(LC) 2.GWH12KF-K3DNA9G(LC) Model 3.GWH09KF-K3DNA8G(LC) 3.GWH12KF-K3DNB3G(LC) 4.GWH09KF-K3DNB3G(LC) 4.GWH12KF-K3DNA8G(LC) 1.CB146036200 1.CB146036100 Product Code 2.CB146037000,CB146037002 2.CB146037100,CB146037102 3.CB146038902 4.CB146039400 3.CB146037800 4.CB146039002 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) 2600(450~3230) 3500(600~3960) Heating Capacity(Min~Max) 2800(450~4100) 3800(600~5130) Cooling Power Input(Min~Max)
  • Page 11 Service Manual Outdoor Unit Model GWH09KF-K3DNA6G/O GWH12KF-K3DNA6G/O Outdoor Unit Product Code CB146W36200 CB146W36100 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPReSSOR CO.,LTD. COMPReSSOR CO.,LTD. Compressor Model QXA-A091ze190A QXA-A091ze190A Compressor Oil RB68eP RB68eP Compressor Type Rotary Rotary Compressor Locked Rotor Amp (L.R.A) Compressor Rated Load Amp (RLA) Compressor Power Input Compressor Overload Protector...
  • Page 12: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve Cooling Heating Conditions 220V 220V Indoor:DB27°C/WB19°C Outdoor:DB35°C/WB24°C Indoor air flow:Super High Pipe length:5m 230V 240V 230V Conditions Indoor:DB20°C/WB15°C Outdoor:DB7°C/WB6°C 240V Indoor air flow:Super High Pipe length:5m 10 20 30 40 50 60 70 80 90 100 Compressor speed (rps) Compressor speed (rps) 2.3 Capacity Variation Ratio According to Temperature...
  • Page 13: Cooling And Heating Data Sheet In Rated Frequency

    Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Inlet and outlet pipe Rated cooling Fan speed Fan speed connecting indoor temperature of heat Compressor condition(°C) (DB/WB) Model of indoor of outdoor and outdoor unit exchanger revolution (rps) unit...
  • Page 14: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit 120.5 548.5 Φ55 Φ55 41.3 41.3 unit:mm 54.5 3.2 Outdoor Unit Φ55 Φ55 Φ70 Φ70 unit:mm Technical Information...
  • Page 15: Refrigerant System Diagram

    Service Manual 4. Refrigerant System Diagram Indoor unit Outdoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Accumlator Suction exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Electron Capillary Strainer expansion valve COOLING HEATING Connection pipe specification: Liquid pipe:1/4"...
  • Page 16: Electrical Part

    Service Manual 5. Electrical Part 5.1 Wiring Diagram ●Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YeGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●...
  • Page 17 Service Manual ● Outdoor Unit (1)GWH09KF-K3DNA6G/O(CB146W36201), GWH12KF-K3DNA6G/O(CB146W36101) 6361000008402 (2)GWH09KF-K3DNA6G/O(CB146W36200), GWH12KF-K3DNA6G/O(CB146W36100) 6361000008403 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...
  • Page 18: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit ●TOP VIEW Name Interface of live wire Interface of live wire for health function Interface of neutral wire Interface of neutral wire for health function Interface of neutral wire and live wire communication Control interface of PG motor Feedback interface of...
  • Page 19 Service Manual Outdoor Unit ●TOP VIEW Name Compressor Reactor 2 Reactor 1 Chassis electric heating Compressor electric heating 4-way valve DC fan Earthing wire Communication wire Neutral wire Live wire Electronic expansion valve Temperature sensor Overloard ●BOTTOM VIEW Technical Information...
  • Page 20: Function And Control

    Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on remote controller ON/OFF Button AUTO HEALTH X-FAN MODE Button HUMIDITY FILTER +/- Button TURBO HOUR FAN Button ON/OFF Button Button ON/OFF MODE HEALTH SAVE Button X-FAN Button TEMP Button TIMER Button X-FAN TEMP...
  • Page 21 Service Manual 1.ON/OFF button Press this button can turn on or turn off the air conditioner. After turning on the unit,operation indicator " " on indoor unit is ON (green indicator. Color may be differ-ent for different models)and indoor unit gives out a sound. 2.MODE button Press this button can select your required operation mode.
  • Page 22 Service Manual If the unit is turned off during swing operation,the louver will stop at present position. When selecting " " with remote controller, it is the fixed position swing. Horizontal louver of air conditioner will stop at that position as shown by the icon to swing. When selecting "( )"...
  • Page 23 Service Manual Function introduction for combination buttons Child lock function Press "+" and "-" buttons simultaneously can turn on or turn off child lock function. When child lock function is started up, " " icon will be displayed on remote controller. If operate remote controller " " icon will flash three times, while remote controller won’t send signal. Switchover function for temperature display After turning off the unit by remote controller, press "-"...
  • Page 24: Brief Description Of Modes And Functions

    Service Manual 6.2 Brief Description of Modes and Functions 1.Temperature Parameters ●Indoor preset temperature (Tpreset) ●Indoor ambient temperature (Tamb.) 2. Basic Functions Once energized, in no case should the compressor be restarted within less than 3 minutes. In the situation that memory function is available, for the first energization, if the compressor is at stop before de-energization, the compressor will be started without a 3-minute lag;...
  • Page 25 Service Manual 1.In the case of Tindoor amb. <24°C: if T≤tube40°C and the indoor fan is at stop state, the indoor fan will begin to run at low speed with a time lag of 2 minutes. Within 2 minutes, if Ttube>40°C, the indoor fan also will run at low speed; and after1-minute operation at low speed, the indoor fan will be converted tooperation at preset speed.
  • Page 26 Service Manual 3. Other Controls (1) ON/OFF Press the remote button ON/OFF: the on-off state will be changed once each time you press the button. (2) Mode Selection Press the remote button MODE, then select and show in the following ways: AUTO, COOL, DRY, FAN, HEAT, AUTO. (3) Temperature Setting Option Button Each time you press the remote button TEMP+ or TEMP-, the setting temperature will be up or down by 1°C.
  • Page 27 Service Manual inner fan is running. The indoor fan and compressor may get the power when air deflector is on the default location. (10) Display(NOTE:Nixie tube is not available for A8 panel.) ① Operation pattern and mode pattern display All the display patterns will display for a time when the power on, the operation indication pattern will display in red under standby status.
  • Page 28: Part Ⅱ : Installation And Maintenance

    Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire Important! from the manufacture or distributor. Prohibit prolong the wire by yourself.
  • Page 29 Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8.
  • Page 30: Installation

    Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe Installation and Maintenance...
  • Page 31: Installation Procedures

    Service Manual Installation procedures 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 wall-mounting Install the support of outdoor unit (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...
  • Page 32: Installation Parts-Checking

    Service Manual 8.2 Installation Parts-checking 8.4 Electric Connection Requirement Name Name 1. Safety Precaution Indoor unit Sealing gum (1) Must follow the electric safety regulations when installing Outdoor unit Wrapping tape the unit. Support of outdoor (2) According to the local safety regulations, use qualified Connection pipe unit power supply circuit and air switch.
  • Page 33 Service Manual in the holes. 5. Connect the Pipe of Indoor Unit (3) Fix the wall-mounting frame on the wall with tapping screws (1) Aim the pipe joint at the corresponding bellmouth.(As show (ST4.2X25TA) and then check if the frame is firmly installed by in Fig.5) pulling the frame.
  • Page 34 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe (1) Open the panel, remove the screw on the wiring cover and (1) Bind up the connection pipe, power cord and drain hose then take down the cover.(As show in Fig.11) with the band.(As show in Fig.14) (2) Reserve a certain length of drain hose and power cord Panel...
  • Page 35: Installation Of Outdoor Unit

    Service Manual 8.6 Installation of Outdoor Unit Refer to the following table for wrench moment of force: Tightening torque(N . m) 1. Fix the Support of Outdoor Unit(Select it according to Hex nut diameter(mm) the actual installation situation) Φ6 15~20 Φ9.52 30~40 (1) Select installation location according to the house structure.
  • Page 36: Vacuum Pumping And Leak Detection

    Service Manual 8.8 Check after Installation and Test Operation The drain hose can't be fluctuant 1. Check after Installation Check according to the following requirement after finishing The water outlet installation. can't be placed in water The drain hose Items to be checked Possible malfunction can't be fluctuant The water...
  • Page 37: Maintenance

    Service Manual 9. Maintenance 9.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes...
  • Page 38 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 39 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 40 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 41 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 42 Service Manual Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display (during display status and during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes blinking, ON 0.5s and OFF Name 0.5s) Code...
  • Page 43: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting (1) Malfunction of Temperature Sensor Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●...
  • Page 44 Service Manual (2) Malfunction of Blocked Protection of IDU Fan Motor Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor can't operate? ●...
  • Page 45 Service Manual (3) Malfunction of Protection of Jumper Cap Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ● Detection circuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Appearance of the...
  • Page 46 Service Manual (4) Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn back on...
  • Page 47 Service Manual Communication Malfunction Troubleshooting for E6 malfunction Disconnect power and check if the connection wire of indoor and outdoor units and the built-in wire of electric box are correctly connected. Connect the wire properly according Is malfunction Correct connection? to the wiring eliminated? diagram.
  • Page 48 Service Manual Outdoot Unit (1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: ●Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC. ●Is the reactor (L) correctly connected? Is the connection loose or fallen? Is the reactor (L) damaged? Fault diagnosis process: Turn on the unit...
  • Page 49 Service Manual (2) IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent (AP1 below refers to the outdoor control panel) Main check points: ●Is the connection between control panel AP1 and compressor COMP secure? Loose? Is the connection in correct order? ●Is the voltage input of the machine within normal range? (Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) ●Is the compressor coil resistance normal? Is the insulation of compressor coil against the copper tube in good condition? ●Is the working load of the machine too high? Is the radiation good?
  • Page 50 Service Manual Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring machine has run for terminal L and N restore it to board XT is within a period of time?
  • Page 51 Service Manual (3) High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is outdoor ambient temperature in normal range? ●Are the outdoor and indoor fans operating normally? ●Is the heat dissipation environment inside and outside the unit good? Fault diagnosis process: Overheat and high temperature protection...
  • Page 52 Service Manual (4) Start-up failure (following AP1 for outdoor unit control board) Mainly detect: ●Whether the compressor wiring is connected correct? ●Is compressor broken? ●Is time for compressor stopping enough? Fault diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes?
  • Page 53 Service Manual (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is the system pressure too high? ●Is the input voltage too low? Fault diagnosis process: Out of step occurs in Out of step occurs once the operation unit is powered on.
  • Page 54 Service Manual (6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: ●Is the PMV connected well or not? Is PMV damaged? ●Is refrigerant leaked? Fault diagnosis process: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the...
  • Page 55 Service Manual (7) Power factor correct or (PFC) fault (a fault of outdoor unit) (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken Fault diagnosis process: Start Check wiring of the...
  • Page 56 Service Manual (8) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: ●Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? ●Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start...
  • Page 57 Service Manual (9) Malfunction of Overcurrent Protection Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...
  • Page 58: Maintenance Method For Normal Malfunction

    Service Manual 9.3 Maintenance Method for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether it's due to power failure. If yes, No power supply, or poor After energization, operation indicator isn’t bright wait for power recovery.
  • Page 59 Service Manual 4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...
  • Page 60: Exploded View And Parts List

    Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit Installation and Maintenance...
  • Page 61 Service Manual Part Code Description GWH09KF-K3DNA6G/I GWH12KF-K3DNA6G/I (Cold Plasma) (Cold Plasma) Product Code CB146N36200 CB146N36100 Front Panel 20012443 20012443 Filter Sub-Assy 1112208201 1112208201 Screw Cover 24252019 24252019 Membrane 63062017 63062017 Front Case Assy 2001237501 2001237501 Guide Louver 10512119 10512119 Helicoid Tongue 26112486 26112486 Air Louver...
  • Page 62 Service Manual Part Code Description GWH12KF-K3DNB2G/I GWH09KF-K3DNB2G/I (Cold Plasma) (Cold Plasma) Product Code CB409N02400 CB409N02700 Front Panel 20012980 20012980 Filter Sub-Assy 1112208201 1112208201 Screw Cover 24252019 24252019 Membrane 63062017 63062017 Front Case Assy 2001237501 2001237501 Guide Louver 10512119 10512119 Helicoid Tongue 26112486 26112486 Air Louver...
  • Page 63 Service Manual Part Code Description GWH09KF-K3DNA9G/I GWH09KF-K3DNA9G/I GWH09KF-K3DNA9G/I (Cold Plasma) (Cold Plasma) Product Code CB146N37000 CB146N37001 CB146N37002 Front Panel 20012511 20012511 2001251002 Filter Sub-Assy 1112208201 1112208201 1112208201 Screw Cover 24252019 24252019 2425201905 Membrane 63062017 63062017 6306201703 Front Case Assy 2001237501 2001237501 2001237505 Guide Louver...
  • Page 64 Service Manual Part Code Description GWH09KF-K3DNA5G/I GWH12KF-K3DNA5G/I (Cold Plasma) (Cold Plasma) Product Code CB146N37600 CB146N37500 Front Panel 20012325 20012325 Filter Sub-Assy 1112208201 1112208201 Screw Cover 24252019 24252019 Membrane 63062017 63062017 Front Case Assy 2001237501 2001237501 Guide Louver 10512119 10512119 Helicoid Tongue...
  • Page 65 Service Manual Part Code Description GWH12KF-K3DNA9G/I GWH12KF-K3DNA9G/I GWH12KF-K3DNA9G/I (Cold Plasma) (Cold Plasma) Product Code CB146N37100 CB146N37101 CB146N37102 Front Panel 20012511 20012511 2001251002 Filter Sub-Assy 1112208201 1112208201 1112208201 Screw Cover 24252019 24252019 2425201905 Membrane 63062017 63062017 6306201703 Front Case Assy 2001237501 2001237501 2001237505 Guide Louver...
  • Page 66 Service Manual Part Code Description GWH09KF-K3DNB1G/I GWH12KF-K3DNB1G/I (Cold Plasma) (Cold Plasma) Product Code CB146N37900 CB146N38000 Front Panel 20012688 20012688 Filter Sub-Assy 1112208201 1112208201 Screw Cover 24252019 24252019 Membrane 63062017 63062017 Front Case Assy 2001237501 2001237501 Guide Louver 10512119 10512119 Helicoid Tongue 26112486 26112486 Air Louver...
  • Page 67 Service Manual Part Code Description GWH09KF-K3DNB4G/I GWH12KF-K3DNB4G/I (Cold Plasma) (Cold Plasma) Product Code CB146N38400 CB146N38500 Front Panel 20022500 20022500 Filter Sub-Assy 1112208201 1112208201 Screw Cover 24252019 24252019 Membrane 63062017 63062017 Front Case Assy 2001237501 2001237501 Guide Louver 10512119 10512119 Helicoid Tongue 26112486 26112486 Air Louver...
  • Page 68 Service Manual Part Code Description GWH09KF-K3DNB3G/I(Cold Plasma)GWH12KF-K3DNB3G/I(Cold Plasma) Product Code CB146N39400 CB146N37800 Front Panel 20012806B 20012806B Filter Sub-Assy 1112208201 1112208201 Screw Cover 24252019 24252019 Membrane 63062017 63022016 Front Case Assy 2001237501 20012824 Guide Louver 10512119 10512119 Helicoid Tongue 26112486 26112486 Air Louver 10512160 10512160...
  • Page 69 Service Manual Part Code Description GWH09KF-K3DNA8G/I(Cold Plasma) GWH12KF-K3DNA8G/I(Cold Plasma) Product Code CB146N38902 CB146N39002 Front Panel 20012597S 20012597S Filter Sub-Assy 1112208201 1112208201 Screw Cover 24252019 24252019 Membrane 63062017 63062017 Front Case Assy 2001237501 2001237501 Guide Louver 10512119 10512119 Helicoid Tongue 26112486 26112486 Air Louver 10512160...
  • Page 70: Outdoor Unit

    Service Manual 10.2 Outdoor Unit Installation and Maintenance...
  • Page 71 Service Manual Part Code Description GWH09KF-K3DNA6G/O Product Code CB146W36201 CB146W36200 electric Box Assy 10000100119 10000100133 Electric Box Sub-Assy 10000500050 10000500054 Main Board 30138000458 30138000460 Reactor 43130184 43130184 Terminal Board 42010313 42010313 Wire Clamp 71010003 71010003 Front Grill 22413027 22413027 Front Panel Assy 0153304802 0153304802 Axial Flow Fan...
  • Page 72 Service Manual Part Code Description GWH12KF-K3DNA6G/O Product Code CB146W36101 CB146W36100 electric Box Assy 10000100121 10000100135 Electric Box Sub-Assy 10000500052 10000500056 Main Board 30138000459 30138000457 Reactor 43130184 43130184 Terminal Board 42010313 42010313 Wire Clamp 71010003 71010003 Front Grill 22413027 22413027 Front Panel Assy 0153304802 0153304802 Axial Flow Fan...
  • Page 73: Removal Procedure

    Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Steps Procedure Points 1. External features If ON/OFF button is kept pushing for 5 seconds, aforced cooling op- eration willbe carried out for approx.
  • Page 74 Service Manual Steps Procedure Points Support the front panel by one 3. Remove panel hand, while remove the rotation Pull down horizontal blade axis at the upper center by the by pulling forward. other hand. And pull out the front panel forward to remove.
  • Page 75 Service Manual Steps Procedure Points 4. Remove electric box cover screws Remove a electric box cover mounting screw. Open electric box cover upward. electric box cover A switch for field setting is not provided in particular. screws 5. Remove front case Remove the 3 screws, in the right and the left, Screw stoppers inside the...
  • Page 76 Service Manual Steps Procedure Points 6. Remove the vertical blade Hooks Unfasten the hooks at the upper 2 positions. A set of vertical blade has 6 fins as on ASSY. (It is impossible to replace only one fin.) The set of vertical blades is not marked for difference between right and left.
  • Page 77 Service Manual Steps Procedure Points 7. Remove electrical box Disconnect the c able clamp Pay attention to the direction of the retainer of the thermistor so that the retainer will not touch the harness (same as the existing models.) Terminal board Disconnect the connection wires.
  • Page 78 Service Manual Steps Procedure Points Remove fan motor Signal fan motor Signal Wire Wire Remove a screw on the electrical box. Bottom frame Pull up the electrical box forward to remove. Hook Installation and Maintenance...
  • Page 79 Service Manual Steps Procedure Points 8. Remove the shield plate and control PCB Hooks Unfasten the hooks at the upper 2 positions of the shield plate. Remove the electrical box according to the “Removal of Electrical Box”. shield plate (1) Unfasten the hook at the lower position, and remove the shield plate...
  • Page 80 Service Manual Steps Procedure Points Take off wiring terminal Display PCB ASSY Remove display PCB sub-Assy. Remove swing motor. Swing motor Installation and Maintenance...
  • Page 81 Service Manual Steps Procedure Points The control PCB is To remove the control integrated with the power PCB, unfasten the 2 hooks at the upper part supply PCB. from the rear side. Lift up the upper part of the control PCB, and remove it.
  • Page 82 Service Manual Steps Procedure Points 9. Remove the refrigerant piping CAUTION If gas leaks, repair the spot of Lift the indoor unit by a leaking, then collect all wooden base. refrigerant from the unit. After conducting vacuum drying, recharge proper amount of refrigerant.
  • Page 83 Service Manual Steps Procedure Points 10. Remove evaporator assy When the pipings are disconnected, protect the Remove the indoor unit both openings from entering from the installation moisture. plate. Liquid piping Gas piping Auxiliary piping Piping fixture Release the hook of the piping fixture on the back of the unit.
  • Page 84 Service Manual Steps Procedure Points Loosen the 2 screws, in the right and the left, which fix the evaporator assy. Screws Auxiliary piping Widen the auxiliary piping to the extent of 10°~20°. evaporator Pull the evaporator assy to the front side to undo the hooks completely, and then lift it.
  • Page 85 Service Manual Steps Procedure Points 11. Remove cross flow fan and fan Cross flow fan motor Remove cross flow fan and Fan motor fan motor. Bearing Remove the rubber cushion of the bearing. Remove the screws at the joint of the cross flow blade and the motor.
  • Page 86 Service Manual Steps Procedure Points Take down the motor sub-assy. Remove fan motor. Installation and Maintenance...
  • Page 87: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. Steps Procedure 1.Remove big handle Before disassamble. Remove 1 connection screw fixing big handleand then removethe big handle.
  • Page 88 Service Manual Steps Procedure 3.Remove grille and front panel Remove connection screws between the front grille and the front panel. Then remove the front grille. Remove connection screws connecting the front panel with the chassis and the motor support, and then remove the front panel.
  • Page 89 Service Manual Steps Procedure 6.Remove electric box assy Electric box assy Remove the 2 screws fixing the cover of elec- tric box. Lift to remove the cover. Loosen the wire and disconnect the terminal. Lift to re- move the electric box assy. 7.Remove 4-way valve assy Unscrew the fastening nut of the 4-way Valve 4-way Valve Assy...
  • Page 90 Service Manual Steps Procedure 9.Remove motor and motor support Motor support Remove the 4 tapping screws fixing the motor. Pull out the lead-out wire and remove the Motor motor. Remove the 2 tapping screws fixing the motor support. Lift motor support to re- move it.
  • Page 91 Service Manual Steps Procedure 11.Remove Compressor Remove the 2 screws fixing the gas valve. Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve. (Note: it is necessary to warp the gas valve when unsoldering the welding spot.) Remove the 2 Liquid valve screws fixing liquid valve.
  • Page 92: Appendix

    Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius( Celsius( Celsius( temperature temperature temperature 60.8 69/70 69.8 78/79 78.8 62/63...
  • Page 93: Appendix 3: Pipe Expanding Method

    Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...
  • Page 94: Appendix 4: List Of Resistance For Temperature Sensor

    Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor (15K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009...
  • Page 95 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2...
  • Page 96 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor (50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08...
  • Page 97 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...

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