GREE ELECTRIC GEH09AA-K3DNA1D Service Manual
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GREE ELECTRIC GEH09AA-K3DNA1D Service Manual

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Change for Life

Service Manual

Model: GEH09AA-K3DNA1D(WIFI)
(Refrigerant R410A)
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

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Summary of Contents for GREE ELECTRIC GEH09AA-K3DNA1D

  • Page 1: Service Manual

    Change for Life Service Manual Model: GEH09AA-K3DNA1D(WIFI) (Refrigerant R410A) 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 ......................2 2.1 Specification Sheet ......................2 2.2 Operation Characteristic Curve ..................4 2.3 Capacity Variation Ratio According to Temperature ............4 2.4 Cooling and Heating Data Sheet in Rated Frequency .............5 2.5 Noise Curve ........................5 3.
  • Page 3 Service Manual 9. Maintenance ......................57 9.1 Error Code List .......................57 9.2 Troubleshooting for Main Malfunction ................59 9.3 Maintenance Method for Normal Malfunction ..............64 10. Exploded View and Parts List ..............66 10.1 Indoor Unit ........................66 10.2 Outdoor Unit .........................68 11. Removal Procedure ..................70 11.1 Removal Procedure of Indoor Unit ................70 11.2 Removal Procedure of Outdoor Unit ................74...

  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit GEH09AA-K3DNA1D/I Outdoor Unit GEH09AA-K3DNA1D/O Remote Controller YAA1FB8(WiFi) WiFi Technical Information...

  • Page 5: Specifications

    Service Manual 2. Specifications 2.1 Specification Sheet Parameter Unit Value Model GEH09AA-K3DNA1D Product Code CV010002500 Rated Voltage V ～ 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Cooling Capacity(Min~Max) 2700 Heating Capacity(Min~Max) 2800 Cooling Power Input(Min~Max) Heating Power Input(Min~Max) Cooling Current Input 3.45...
  • Page 6 Service Manual Outdoor Unit Model GEH09AA-K3DNA1D/O Outdoor Unit Product Code CV010W02500 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXA-B102zE190 Compressor Oil RB 68EP Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1020 Compressor Overload Protector 1NT11L-6233 or KSD115ºC or HPC115/95U1...

  • Page 7: Operation Characteristic Curve

    Service Manual 2.2 Operation Characteristic Curve Cooling Heating 220V 220V • Conditions Indoor : DB27˚C/WB19˚C Outdoor : DB35˚C/WB24˚C Indoor air flow : High Pipe length : 5m 230V 230V 240V • Conditions 240V Indoor : DB20˚C/WB15˚C Outdoor : DB7˚C/WB6˚C Indoor air flow : High Pipe length : 5m Compressor frequency(Hz)

  • Page 8: Cooling And Heating Data Sheet In Rated Frequency

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

  • Page 9: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Unit:mm Technical Information...

  • Page 10: Outdoor Unit

    Service Manual 3.2 Outdoor Unit Unit:mm Technical Information...

  • Page 11: Refrigerant System Diagram

    Service Manual 4. Refrigerant System Diagram 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 Electron Strainer Strainer expansion valve COOLING HEATING Connection pipe specification: Liquid pipe:1/4"...

  • Page 12: Electrical Part

    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. ● Indoor Unit GEH09AA-K3DNA1D/I 600007001268 Technical Information...
  • Page 13 Service Manual ● Outdoor Unit GEH09AA-K3DNA1D/O 600007001184 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...

  • Page 14: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit ● Top view Name Connect earthing wire Input of live wire Wiring terminal for health function (optional) Input of neutral wire Control the wiring terminal of down swing Communication interface for indoor unit and outdoor unit Terminal of display interface Needle stand of jumper cap Wiring terminal of indoor tube...
  • Page 15 Service Manual Outdoor Unit ● Top view Name Live wire input of Dred 序号 communication board Heating belt 1 Heating belt 2 Terminal of 4-way valve Nutral wire input of Dred communication board Dred function terminal Electronic expansion valve Terminal of Overload protector Terminal of Overload protector Terminal of Temperature sensor...

  • Page 16: Function And Control

    Service Manual 6. Function and Control 6.1 Remote Controller Introduction Remote Controller Description ON/OFF SLEEP Press it to start or stop operation. TEMP : Press it to decrease temperature QUIET setting. QUIET function. : Press it to increase temperature Press it to set setting.
  • Page 17 Service Manual This button is used for setting Fan Speed in the sequence that goes from AUTO, then back to Auto. Auto Low speed Low-Medium speed Medium speed Medium-High speed High speed ： X-FAN function Hold fan speed button for 2s in COOL or DRY mode, the icon “ ”...
  • Page 18 Service Manual The user could accord to sleep curve setting method to inquire the presetting sleep curve, enter into user individuation sleep setting status, but do not change the temperature, press "Turbo" button directly for confirmation. Note: In the above presetting or enquiry procedure, if continuously within10s, there is no button pressed, the sleep curve setting within10s, there is no button pressed, the sleep curve setting status will be automatically quit and resume to display the original displaying.

  • Page 19: Replacement Of Batteries

    Service Manual Combination of " TEMP " and "CLOCK" buttons : About 8 ℃ Heating Function " " " " Press TEMP CLOCK simultaneously in HEAT mode to start 8 ℃ Heating Function " " Nixie tube on the remote controller displays and a selected temperature of 8 ℃...

  • Page 20: Brief Description Of Modes And Functions

    Service Manual 6.2 Brief Description of Modes and Functions 1. Cooling mode (1) Under this mode, the fan and the up swing will operate at setting status. The temperature setting range is 16~30ºC. (2) The unit is stopped because of malfunction of outdoor unit or protection. The indoor unit keeps original operation status and the error code is displayed.
  • Page 21 Service Manual 7.4 I FEEL function When I FEEL command is received, the controller will operate according to the ambient temperature sent by the remote controller (For defrosting and cold blow prevention, the unit operates according to the ambient temperature sensed by the air conditioner). The remote controller will send ambient temperature data to the controller every 10min.

  • Page 22: Operation Of Smart Control (Smart Phone, Tablet Pc) For Gree

    Service Manual 6.3 Operation of Smart Control (Smart Phone, Tablet PC) For Gree Operation Instructions Download and install APP Scan the following QR code with your smart phone and download Wifi Smart. Install the APP according to its guidance. When successfully installed, your smart phone homepage will show this icon User of IOS system can search for the Gree Smart in Apple store to download the Apple version APP.
  • Page 23 Service Manual Select "Add device" and enter the page of "Add device". Tap "Manual configuration" and enter the page "Manual configuration". Step 2: Select the correct network name and enter the password. Select the server (The server setting here must keep the same as the server setting in "Settings"...
  • Page 24 Service Manual Step 4: If configuration is successful, a window will pop up and read "Configuration succeeded". Then configuration is completed. NOTE: After configuration is completed, the air conditioner hot spot connected to your phone will disAPPear. You should reconnect your phone to the home Wifi router to realize long-distance control.
  • Page 25 Service Manual (4) If password is forgotten, you can reset the password with your email address. Tap "Forgot password" and enter the page "Forgot password". Tap "Get verification code" to get an email verification code. Enter a new password and tap "OK" to log in. 2.Personal settings Purpose: Set name (device name, preset name, etc.) and images (device image) in order to identify a user easily.
  • Page 26 Service Manual (2) Set preset name Step 1: Tap at the top right corner of the homepage "Device". Select "Add preset" and enter the page "Preset edit". Step 2: Choose the time. Tap "Name". As shown in the picture, its name is "baby room". For timer type, select "On". Then select the repeating days.
  • Page 27 Service Manual to increase or decrease temperature. Tap to change working mode. Tap to enter the page of fan speed adjustment. and go around the circle to adjust fan speed. Step 2: Advanced settings to enter advanced settings. You may select "Air", "Dry", "Health", "Light", "Sleep" or "Energy saving". (2) Advanced control functions: Set scene;...
  • Page 28 Service Manual Tap "Add scene" and edit the scene name, for example, "Back home". Add execution devices. to add commands. On the page "Select execution device", select the air conditioner named "babyroom". Then select "ON" or "OFF". Continue to select the next execution device as instructed above. Tap to set the interval.
  • Page 29 Service Manual (3) Preset includes single-device preset and multi-device preset Single-device preset: This can preset a certain device to be On/Off at a specific time. On the homepage "Device", take air conditioner "babyroom" as an example. Tap at the bottom of the page "babyroom". Then you will enter the page "Preset edit".
  • Page 30 Service Manual (4) Link(This function is APPlicable to some models) Select a master device. When the environment satisfies the parameters as set in the master device, slave devices will execute commands to realize devices linkage. Step 1: Set the parameters of master device (Select master device, select environment parameters, select master device status). at the top right corner of the homepage "Device".
  • Page 31 Service Manual Tap the days below "Repeat" to select the repeating days. Then tap "Save". Step 3: Select "Execute command" Tap "Execute command" and enter the page "Select device". Tap the name of device that you want to control. Tap "ON" or "OFF" and then tap "Save" to complete the linkage. Tap "Save"...
  • Page 32 Service Manual (5) Infrared control (only APPlicable to smart phones with infrared emitter). Function: Smart phone can be used as a remote controller. at the top right corner of the homepage "Device". Select "Infrared" and enter the page "Remote controller". Tap slide up to enter the page of advanced functions.
  • Page 33 Service Manual Step 2: Another smart phone to be imported. Tap the model name and wait for the download. (2) Backup: To keep backup of the quick configuration information and unit’s information, including backup to cloud and backup list on the cloud.
  • Page 34 Service Manual (3) Settings User can set vibration, message alerts, server, updates, etc. The server setting here must be the same as the server setting in "Configuration" mentioned before. Otherwise, remote control will be invalid. (4) Feedback User can feedback suggestions to back-stage management for maintenance and development. Tap "Feedback".

  • Page 35: Operation Of Smart Control (Smart Phone, Tablet Pc)

    Service Manual 6.4 Operation of Smart Control (Smart Phone, Tablet PC) Operation Instructions Download and install APP Scan the following QR code with your smart phone and download Wifi Smart. Install the APP according to its guidance. When successfully installed, your smart phone homepage will show this icon User of IOS system can search for the Wifi Smart in Apple store to download the Apple version APP.
  • Page 36 Service Manual 2.Configuration method for Android phones 4 steps of configuration Step 1: Enter homepage "Device", and then tap at the top right corner. Select "Add device" and enter the page "Add device". Tap "Manual configuration" and enter the page "Manual configuration". Step 2: Tap "Next"...
  • Page 37 Service Manual NOTE: After configuration is completed, the air conditioner hot spot connected to your phone will disappear. You should reconnect your phone to the home WiFi router to realize long-distance control.The above configuration only needs onephone. Other types of phones shall install this APP, connect with the air conditioner hot spot or wireless router of WiFi air conditioner.
  • Page 38 Service Manual If the name of router or the password is wrong, Wifi Smart can’t connect to the wireless router. 2 mins later, please conduct the configuration operation again. Reset Wi-Fi adaptor by pointing you remote at the indoor unit and holding the mode and Turbo buttons on your remote control for 10 seconds and until you hear the beep.
  • Page 39 Service Manual 2.Personal settings Purpose: Set name (device name, preset name, etc.) and images (device image) in order to identify a user easily. (1) Set device name After quick configuration, a list of controllable smart devices will be generated. Default name for air conditioner is the last 8 numbers of the air condtioner mac address.
  • Page 40 Service Manual (2) Set preset name Step 1: Tap at the top right corner of the homepage "Device". Select "Add preset" and enter the page "Preset edit". Step 2: Choose the time. Tap "Name". As shown in the picture, its name is "baby room". For timer type, select "On". Then select the repeating days.
  • Page 41 Service Manual Tap "babyroom" and enter the page of air conditioner control. Tap to turn on the control switch. to increase or decrease temperature. Tap to change working mode. Tap to enter the page of fan speed adjustment. and go around the circle to adjust fan speed. Step 2: Advanced settings to enter advanced settings.
  • Page 42 Service Manual Continue to select the next execution device as instructed above. Tap to set the interval. Tap "Save". Tap the scene picture displayed on homepage "Device" to send the command. Then the scene "Back home" will be in execution. You may view the execution condition of the scene. (3) Preset includes single-device preset and multi-device preset Single-device preset: This can preset a certain device to be On/Off at a specific time.
  • Page 43 Service Manual Tap "Name" to customize the preset name. Preset device can’t be selected and it will default to "babyroom". Select "On" for the timer type. Select repeating days to complete the preset. Multi-device preset: This can preset multiple devices to execute a command at a specific time. Please refer to the instructions as how to set preset time, name, timer type and repeating days for a single device.
  • Page 44 Service Manual Tap "Temperature" to enter the page "Select temperature parameter". Slide up or down to adjust temperature. Tap "Upper limit" or "Lower limit". Tap "Mode" and "On/Off" to select the status of master device. Then tap "Save". Step 2: Set time parameter for linkage. Tap "Time parameter" to enter the page "Set time". Slide rightwards to turn on the setting time.
  • Page 45 Service Manual Tap the name of device that you want to control. Tap "ON" or "OFF" and then tap "Save" to complete the linkage. Tap "Save" and then repeat the above steps to set linkage of several scenes. 4.Menu functions Menu functions (Share, Set, History, Feedback) (1) Share: To share quick configuration information and unit’s information, including local export and local import.
  • Page 46 Service Manual Step 2: Another smart phone to be imported. Tap the model name and wait for the download. Notice: This function requires that the two phones are of the same operating system. They are either Android phones or Apple phones,and are connecting to the same wireless router.
  • Page 47 Service Manual (3) Settings User can set vibration, message alerts, server, updates, etc. The server setting here must be the same as the server setting in "Configuration" mentioned before. Otherwise, remote control will be invalid. (4) Help Please refer to “Help” of APP for the instruction of the latest functions. Installation and Maintenance...

  • Page 48: 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 49 Service Manual Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. Warnings 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant.
  • Page 50 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 51: Installation

    Service Manual 8. Installation 8.1 Requirements for Electric Connection 1. Safety Precaution (1) Must follow the electric safety regulations when installing the unit. (2) If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to (avoid a hazard.
  • Page 52 Service Manual Cautions for installation where air conditioner troubleis liable Schematic drawing of hooks: tooccur. Where there is toomuch of oil area. Where it is acid base area. Where there is irregular electrical supply. 2. Indoor Unit Installation Drawings The indoor unit may be mounted in any of the three styles shown here.
  • Page 53 Service Manual CAUTION Min.allowable length ● The suggested shortest pipe length is 2.5m,in order to avoid noise from the outdoor unit and vibration. (Mechanical noise and vibration may occur depending on how the unit is installed and the environment in which it is used.) ●...
  • Page 54 Service Manual 3 tabs 6. Installing Indoor Unit Preparation Casing ●Open the front panel, remove the 4 screws and dismount Front the front grille while pulling it forward. grille ●Follow the arrows to disengage the clasps on the front case to remove it. Front panel Remove ●Follow the procedure below when removing the slit portions.
  • Page 55 Service Manual (3) Once refrigerant piping and drain piping connections are complete, fill in the gap of the through hole with putty. A gap can lead to condensation on the refrigerant pipe, and drain pipe, and the entry of insects into the pipes. (4) Attach the front panel and front grille in their original positions once all connections are complete.
  • Page 56 Service Manual Selection of Copper and Heat Insulation Materials Inter-unit wiring When using commercial copper pipes and fittings, observe the Gas pipe following: Liquid pipe (1) Insulation material: Polyethylene foam Heat transfer rate:0.041 to 0.052W/mK(0.035 to 0.045kca/(mh Liquid pipe Refrigerant gas pipes surface temperature reaches 110 max. Gas pipe insulation insulstion...

  • Page 57: Outdoor Unit Installation

    Service Manual Sensor securing plate Firmly fix the wires with the terminal screws Outdoor unit Terminal block Shape wires so When wire length exceeds 10m, that the front metal use 2.0mmdiameter wires Electrical plate cover will fit component securely. Wire retainer Firmly secure wire retainer so that wires sustain no...

  • Page 58: Vacuum Pumping And Leak Detection

    Service Manual 2. Install Drain Joint(Only for cooling and heating unit) Foot holes (1) Connect the outdoor drain joint into the hole on the chassis. (2) Connect the drain hose into the drain vent. 3. Fix Outdoor Unit (1) Place the outdoor unit on the support. (2) Fix the foot holes of outdoor unit with bolts.

  • Page 59: Check After Installation And Test Operation

    Service Manual 2. Leakage Detection (1) With leakage detector: Check if there is leakage with leakage detector. (2) With soap water: If leakage detector is not available, please use soap water for leakage detection. Apply soap water at the suspected position and keep the soap water for more than 3min.

  • Page 60: Maintenance

    Service Manual 9. Maintenance 9.1 Error Code List Malfunction and Mode Display Sheet Display of indicator Malfunction name Malfunction type Double 8 Operation Cooling Heating indicator indicator indicator Hardware Zero-cross detection circuit malfunction blinks 17 times malfunction Hardware Malfunction protection of jumper cap blinks 15 times malfunction Hardware...
  • Page 61 Service Manual Hardware Temperature drift protection malfunction Hardware Sensor connection protection malfunction Hardware Drive board communication malfunction blinks 16 times malfunction Hardware Compressor heat overload protection blinks 3 times malfunction Indoor unit and outdoor unit do not Hardware blinks 19 times match malfunction Hardware...

  • Page 62: Troubleshooting For Main Malfunction

    Service Manual 9.2 Troubleshooting for Main Malfunction (1) Troubleshooting for malfunction of temperature sensor main check point: ●Whether the temperature sensor is broken or damaged; ●Whether the temperature sensor terminal is loosened or not connected; ●Whether the mainboard is damged; Check flow chart: Start the troubleshooting for temperature sensor...
  • Page 63 Service Manual (2) Troubleshooting for communiction malfunction Main check point: ●Check whether the connection wire for indoor and outdoor units and the wires inside the indoor unit is connected well; ●Check whether the mainboards of indoor unit or outdoor unit are damaged; Check flow chart: Communication malfunction for some indoor unit...
  • Page 64 Service Manual All indoor units alarms communication malfunction Disconnect the power, and check connection wire for indoor and outdoor units and wires inside electric box are connected correctly Connect wire Wires are connectly according connected correctly? Is malfunction eliminated? to wiring diagram Disconnect the power, and check whether theconnection wires between mainboard of outdoorunit and filter palte are connected...
  • Page 65 Service Manual (3) Troubleshooting for C5 malfunction Display displays C5 Check whether the Insert the jumper mainbaord ofcontroller is inserted with thejumper cap? Is malfunction eliminated? Check Re-insert the jumper whether the jumper cap is poorly connected? Is malfunction eliminated? Replace the jumper Is malfunction eliminated?
  • Page 66 Service Manual (4) Troubleshooting for H6 malfunction Start the troubleshooting for H6 malfunction Check whether the terminal of DC motor is connected tightly Insert the motor terminal tightly Is mafunction eliminated? Pull blade with hand to see whether it can rotate smoothly Re-assemble blade and motor correctly...

  • Page 67: 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 68 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 69: Exploded View And Parts List

    Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 70 Service Manual Part Code Description GEH09AA-K3DNA1D/I Product Code CV010N02500 Front Panel Assy 20012756 Filter Sub-Assy 11122139 Front Case Assy 20012601 Evaporator Assy 01100100160 Cold Plasma Generator 1114001604 Rear Case Assy 22202462 Centrifugal Fan 10312005 Fan Motor 15704100012 SteppingMotor 1521210805 Crank...

  • Page 71: Outdoor Unit

    Service Manual 10.2 Outdoor Unit The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 72 Service Manual Part Code Description GEH09AA-K3DNA1D/O Product Code CV010W02500 Electric Box Assy 100002002847 Electric Box Sub-Assy 017007000465 Main Board 300027000475 Reactor 43130184 Terminal Board 42010313 Wire Clamp 71010103 Front Grill 22413049 Front Panel 01533034P Axial Flow Fan 10333004 Chassis Sub-assy...

  • Page 73: Removal Procedure

    Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Steps Procedure 1. Remove panel Pull sliding clasps at both sides of panel, pull out the panel outwards and then move the panel upwards to remove it.
  • Page 74 Service Manual 4. Remove swing parts swing parts screw Remove 2 screws fixing the swing parts, and then pull the swing parts outwards to remove it. 5. Remove water tray Remove 2 screws fixing water tray, and then pull the water tray outwards to remove it.
  • Page 75 Service Manual 7. Remove fixer of piping Pry out the clasps connecting fixer of piping and bottom case, and then pull the fixer of piping outwards to remove it. clasps fixer of piping 8. Remove evaporator Pry out the clasps connecting evaporator clasps and bottom case, and then pull the evaporator...
  • Page 76 Service Manual 10. Remove centrifugal blade Remove one nut fixing the centrifugal blade, and then pull the centrifugal blade outwards to remove it. centrifugal blade 11. Remove fixing bracket of motor Remove 3 nuts on fixing bracket of motor, and then pull the fixing bracket of motor fixing bracket outwards to remove it.

  • Page 77: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit Steps Procedure 1. Remove big handle Right side plate Remove the screw fixing big handle; slide out the big handle upwards to make the clasp of big handle separate from the groove of right side plate, and then remove the big handle.
  • Page 78 Service Manual Steps Procedure 4. Remove front panel Screws Remove the screws fixing front panel,and then remove the front panel. Screws Screws Panel Screws 5. Remove axial flow blade Remove the nut fixing axial flow blade and then remove the axial flow blade. Axial flow blade Installation and Maintenance...
  • Page 79 Service Manual Steps Procedure 6. Remove protective grille and right side plate Remove the screws 1 fixing protective grille and then remove the protective Protective grille. grille Screws 2 Screws 1 Right side plate Right side plate Remove the screws 2 fixing right side plate and then remove the right side plate.
  • Page 80 Service Manual Steps Procedure 8. Remove 4-way valve assy Unsolder the spot weld of 4-way valve assy, compressor and condenser, and then remove the 4-way valve assy . 4-way valve assy Note: When unsoldering the spot weld, wrap the 4-way valve with wet cloth completely to avoid damaging the valve due to high temperature.
  • Page 81 Service Manual Steps Procedure 11. Remove gas valve and liquid valve Remove two screws fixing the gas valve, then remove the gas valve. Remove two screws fixing the liquid valve, then remove the liquid valve. Liquid valve Screws Gas valve Screws 12.
  • Page 82 Service Manual Steps Procedure 14. Remove compressor Remove 3 foot nuts on compressor, and then remove the compressor. Note: Protect the ports of discharge pipe and suction pipe to avoid foreign objects to enter it. Compressor Foot nuts 15. Remove condenser Remove one screw fixing the condenser, then remove the condenser.

  • Page 83: 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 （℉）...

  • Page 84: 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 85: 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 Units(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 86 Service Manual Resistance Table of Tube Temperature Sensors for Outdoor and Indoor(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 4.289...
  • Page 87 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 4.08 580.6...
  • Page 88 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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