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Table of Contents
Related Manuals for Gree GEH09AA-K6DNA1F
Summary of Contents for Gree GEH09AA-K6DNA1F
- Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
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Page 2: Table Of Contents
5.2 PCB Printed Diagram .....................17 6. Function and Control ..................20 6.1 Remote Controller Introduction ..................20 6.2 GREE+ App Operation Manual ..................24 6.3 Ewpe Smart App Operation Manual ................25 6.4 Brief Description of Modes and Functions ..............26 Part Ⅱ : Installation and Maintenance ..........28... - Page 3 Service Manual 10. Exploded View and Parts List ..............62 10.1 Indoor Unit ........................62 10.2 Outdoor Unit .........................65 11. Removal Procedure ..................71 11.1 Removal Procedure of Indoor Unit ................71 11.2 Removal Procedure of Outdoor Unit ................75 Appendix: ........................90 Appendix 1: Reference Sheet of Celsius and Fahrenheit ............90 Appendix 2: Configuration of Connection Pipe ..............90 Appendix 3: Pipe Expanding Method ...................91 Appendix 4: List of Resistance for Temperature Sensor ............92...
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Page 4: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit GEH12AA-K6DNA1A/I GEH09AA-K6DNA1F/I GEH18AA-K6DNA1F/I Outdoor Unit GEH09AA-K6DNA1F/O GEH12AA-K6DNA1A/O GEH18AA-K6DNA1F/O Remote Controller YAA1FB8(WiFi) Technical Information... - Page 5 Service Manual Model List: Indoor product Outdoor product Remote Model Product code Indoor model Outdoor model code code Controller CV010002700 CV010N02700 GEH09AA-K6DNA1F GEH09AA-K6DNA1F/I GEH09AA-K6DNA1F/O CV010W02700 CV010002701 CV010N02701 CV010002900 CV010N02900 GEH12AA-K6DNA1A GEH12AA-K6DNA1A/I GEH12AA-K6DNA1A/O CV010W02900 YAA1FB8(W CV010002901 CV010N02901 CV010002800 CV010N02800 GEH18AA-K6DNA1F GEH18AA-K6DNA1F/I...
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Page 6: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet Parameter Unit Value Model GEH12AA-K6DNA1A GEH09AA-K6DNA1F Product Code CV010002900/CV010002901 CV010002700/CV010002701 Rated Voltage V ～ 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity(Min~Max) 3520(800~4400) 2700(700~3400) Heating Capacity(Min~Max) 3800(1100~4400) - Page 7 Service Manual Outdoor Unit Model GEH12AA-K6DNA1A/O GEH09AA-K6DNA1F/O Outdoor Unit Product Code CV010W02900 CV010W02700 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD CO., LTD Compressor Model QXF-A102zE190B QXF-A079zE190A Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary Compressor LRA. Compressor RLA 4.60...
- Page 8 Service Manual Parameter Unit Value Model GEH18AA-K6DNA1F Product Code CV010002800/CV010002801 Rated Voltage V ～ 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) 5200(1260~6600) Heating Capacity(Min~Max) 5330(1120~6800) Cooling Power Input(Min~Max) 1550(380~2450) Heating Power Input(Min~Max) 1500(350~2500) Cooling Current Input Heating Current Input Rated Input 2500...
- Page 9 Service Manual Outdoor Unit Model GEH18AA-K6DNA1F/O Outdoor Unit Product Code CV010W02800 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD Compressor Model QXF-B141zF030A Compressor Oil 68DA Compressor Type Rotary Compressor LRA. Compressor RLA Compressor Power Input 1410 Compressor Overload Protector 1NT11L-6233 or KSD115ºC or HPC115/95U1 Throttling Method Electron expansion valve Set Temperature Range...
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Page 10: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Heating Cooling 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 11: Noise Curve
Service Manual 2.4 Noise Curve Outdoor side noise when blowing Indoor side noise when blowing Outdoor side noise when blowing Indoor side noise when blowing Cooling Cooling Heating Heating 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Indoor fan motor rotating speed 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Indoor fan motor rotating speed... -
Page 12: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Unit:mm Technical Information... -
Page 13: Outdoor Unit
Service Manual 3.2 Outdoor Unit GEH12AA-K6DNA1A/O Unit:mm GEH09AA-K6DNA1F/O Unit:mm Unit:mm Technical Information... - Page 14 Service Manual GEH18AA-K6DNA1F/O Unit:mm Technical Information...
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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 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 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 GEH09AA-K6DNA1F/I(CV010N02701) 60000700126801 GEH12AA-K6DNA1A/I(CV010N02901) GEH18AA-K6DNA1F/I(CV010N02801) 60000700126804 Technical Information...
- Page 18 Service Manual GEH09AA-K6DNA1F/I(CV010N02700) 600007001268 ● Outdoor Unit GEH09AA-K6DNA1F/O 600007061371 Technical Information...
- Page 19 Service Manual GEH18AA-K6DNA1F/O 600007061783 GEH12AA-K6DNA1A/O 600007061430 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...
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Page 20: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit ● Top view Name 1 Interface of tube temperature sensor 2 Interface of ambient temperature sensor 3 Up swing interface 4 Down swing interface 5 WIFI interface 6 Interface of EMC shielding wire 7 DC motor interface 8 Earthing wire of main board 9 Terminal of live wire... - Page 21 Service Manual Outdoor Unit 09/12K Top view Name 1 Interface of compressor wire 2 Reactor wiring terminal 2 3 Reactor wiring terminal 1 4 Terminal of chassis electric heater 4-way valve terminal Grounding wire 7 Neutral wire 8 Communication wire 9 Live wire 10 Terminal of electronic expansion valve 11 Interface of temperature sensor...
- Page 22 Service Manual GEH18AA-K6DNA1F/O Top view Name Compressor wiring terminal for U V W 2 Terminal of system high pressure protection Compressor overload protection terminal 4 Interface of temperature sensor 5 Terminal of electronic expansion valve Terminal of system low pressure protection Terminal of outdoor fan 8 4-way valve terminal 9 Terminal of compressor electric heater...
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Page 23: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller ON/OFF button +/- button MODE button button SWING button I FEEL button button SLEEP button TEMP button QUIET button ClOCK button T-ON T-OFF button TURBO button WiFi WiFi button LIGHT button... - Page 24 Service Manual MODE button Each time you press this button , a mode is selected in a sequence that goes from AUTO,COOL, DRY, FAN, and HEAT * , as the following: *Note:Only for models with heating function. After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not be displayed on the LCD, and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable.(As for cooling only unit,it won’t have any action when it receives the signal of heating operation.) button...
- Page 25 Service Manual (1) Under Sleep 3 mode, press "Turbo" button for a long time, remote control enters into user individuation sleep setting status, at this time, the time of remote control will display "1hour ",the setting temperature "88" will display the corresponding temperature of last setting sleep curve and blink (The fi...
- Page 26 Service Manual WiFi button Press " WiF "i button to turn on or turn off WiFi function. When WiFi function is turned on, the " W i F i " icon will be displayed on remote controller; Under status of unit off, press "MODE" and "W i F i " " buttons simultaneously for 1s, WiFi module will restore to factory default setting.
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Page 27: Gree+ App Operation Manual
GREE+ App Download Linkage Scan the QR code or search "GREE+" in the application market to download and install it. When "GREE+" App is installed, register the account and add the device to achieve long-distance control and LAN control of Gree smart home appliances. -
Page 28: Ewpe Smart App Operation Manual
Service Manual 6.3 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Cellular/ Home Wi-Fi home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for User's smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version... -
Page 29: Brief Description Of Modes And Functions
Service Manual 6.4 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 30 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.
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Page 31: 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 32 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 33 Service Manual Safety Operation of Flammable Refrigerant Qualification requirement for installation and maintenance man ●All the work men who are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry. If it needs other technician to maintain and repair the appliance, they should be supervised by the person who bears the qualification for using the flammable refrigerant.
- Page 34 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.
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Page 35: 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 36 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 37 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 38 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 39 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 40 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...
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Page 41: Outdoor Unit Installation
Service Manual Sensor securing plate Firmly fix the wires with the terminal screws Outdoor unit Terminal block Shape wires so N(1) 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... -
Page 42: Vacuum Pumping And Leak Detection
Service Manual 8.4 Vacuum Pumping and Leak Detection 8.5 Check after Installation and Test Operation 1. Use Vacuum Pump 1. Check after Installation (1) Remove the valve caps on the liquid valve and gas valve and Check according to the following requirement after finishing the nut of refrigerant charging vent. -
Page 43: Maintenance
Service Manual 9. Maintenance 9.1 Error Code List Display Method of Indoor Unit Malfunction Dual-8 A/C status Possible Causes Name Code Display During cooling and drying Possible reasons: High operation, except indoor 1. Refrigerant was superabundant; pressure fan operates, all loads stop 2. - Page 44 Service Manual Display Method of Indoor Unit Malfunction Dual-8 A/C status Possible Causes Name Code Display When the outdoor unit receive signal of Gathering refrigerant Gathering ,the system will be forced to Nominal cooling mode refrigerant run under cooling mode for gathering refrigerant 1.
- Page 45 Service Manual Display Method of Indoor Unit Malfunction Dual-8 A/C status Possible Causes Name Code Display Decrease Overload or temperature is too All loads operate normally, frequency high; while due to Refrigerant is insufficient; operation frequency for high air Malfunction of electric expansion compressor is decreased discharge valve (EKV)
- Page 46 Service Manual Display Method of Indoor Unit Malfunction Dual-8 A/C status Possible Causes Name Code Display Compressor intermediate Showing during middle cooling or frequence in middle heating test test state During cooling and drying Overcurrent Refer to the malfunction operation, compressor will stop protection of analysis (IPM protection, loss while indoor fan will operate;...
- Page 47 Service Manual Display Method of Indoor Unit Malfunction Dual-8 A/C status Possible Causes Name Code Display During cooling and drying Refer to the malfunction operation, compressor will stop Desynchro- analysis (IPM protection, loss while indoor fan will operate; nizing of of synchronism protection and During heating operation, the compressor...
- Page 48 Service Manual Display Method of Indoor Unit Malfunction Dual-8 A/C status Possible Causes Name Code Display During cooling and drying operation, the compressor will Malfunction Theres circuit malfunction on stop while indoor fan will of complete outdoor units control panel AP1, operate;...
- Page 49 Service Manual Analysis or processing of some of the malfunction display: 1. Compressor discharge protection Possible causes: shortage of refrigerant; blockage of air filter; poor ventilation or air flow short pass for condenser; the system has noncondensing gas (such as air, water etc.); blockage of capillary assy (including filter); leakage inside four-way valve causes incorrect operation;...
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Page 50: Procedure Of Troubleshooting
Service Manual 9.2 Procedure of Troubleshooting Indoor unit 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 51 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 cant operate? ●...
- Page 52 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 53 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 54 Service Manual 5. Malfunction of detecting plate(WIFI )JF Start check if the connection wire are correctly connected detecting Replace the plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Installation and Maintenance...
- Page 55 Service Manual Outdoor 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 56 Service Manual (2) IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting: Turn on the unit after energization...
- Page 57 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 58 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 59 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 60 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 61 Service Manual 7. 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 62 Service Manual 8. 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...
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Page 63: 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 64 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...
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Page 65: 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 66 Service Manual Part Code Description GEH12AA-K6DNA1A/I GEH09AA-K6DNA1F/I GEH18AA-K6DNA1F/I Product Code CV010N02900 CV010N02700 CV010N02800 Front Panel Assy 20012756 20012756 20012756 Filter Sub-Assy 11122139 11122139 11122139 Front Case Assy 20012601 20012601 20012601 Evaporator Assy 01100100160 01100100160 01100100164 Cold Plasma Generator 1114001604 1114001604...
- Page 67 Service Manual Part Code Description GEH12AA-K6DNA1A/I GEH09AA-K6DNA1F/I GEH18AA-K6DNA1F/I Product Code CV010N02901 CV010N02701 CV010N02801 Front Panel Assy 20012756 20012756 20012756 Filter Sub-Assy 11122139 11122139 11122139 Front Case Assy 20012601 20012601 20012601 Evaporator Assy 01100100160 01100100160 01100100164 Cold Plasma Generator Rear Case Assy...
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Page 68: Outdoor Unit
Service Manual 10.2 Outdoor Unit GEH12AA-K6DNA1A/O 21 22 23 24 25 The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 69 Service Manual Part Code Description GEH12AA-K6DNA1A/O Product Code CV010W02900 Left Side Plate 01303200P Fan Motor 1501308511 Motor Support 01703136 Condenser Assy 011002060521 Top Cover Sub-Assy 000051060038 Rear Grill 01475014 Clapboard Sub-Assy 01233180 Compressor and Fittings 009001060066 Compressor Gasket 009012000027 4-Way Valve Assy 030152060255 Big Handle 2623343106...
- Page 70 Service Manual GEH09AA-K6DNA1F/O The component is only for reference;please refer to the actual product. Installation and Maintenance...
- Page 71 Service Manual Part Code Description GEH09AA-K6DNA1F/O Product Code CV010W02700 Electric Box Assy 100002064342 Electric Box Sub-Assy 017007060831 Main Board 300027060561 Reactor 43130184 Terminal Board 422000060016 Wire Clamp 71010103 Front Grill 22413049 Front Panel 01533034P Axial Flow Fan 10333004 Chassis Sub-assy...
- Page 72 Service Manual GEH18AA-K6DNA1F/O The component is only for reference;please refer to the actual product. Installation and Maintenance...
- Page 73 Service Manual Part Code Description GEH18AA-K6DNA1F/O Product Code CV010W02800 Front Grill 22413045 Front Panel 01535013P Drainage Connecter 06123401 Chassis Sub-assy 02803270P Drainage hole Cap 06813401 Compressor and fittings 00103919G Magnet Coil 4300040087 4-Way Valve Assy 030152060322 Cut off Valve Assy 1/2 07133774 Cut off Valve Sub-Assy 07133058...
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Page 74: 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 75 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 76 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 77 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.
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Page 78: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit GEH09AA-K6DNA1F/O 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 79 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 80 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 81 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 82 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 83 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 84 Service Manual GEH12AA-K6DNA1A/O Installation and Maintenance...
- Page 85 Service Manual Step Procedure Remove grille Remove connection screws between the front grille and the front panel. Then remove the grille. grille Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel.
- Page 86 Service Manual Step Procedure Remove motor and motor support motor support motor and disconnect the leading wire insert of the motor. Then remove the motor. motor motor support and lift the motor support to remove it. Remove Electric Box Assy electric Box Assy subassembly;...
- Page 87 Service Manual Step Procedure and unsolder the welding joint between the gas valve and the air-return pipe to remove the gas valve. (NOTE: Discharge the refrigerant completely before unsoldering; when unsoldering, wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high 4-way valve temperature).
- Page 88 Service Manual GEH18AA-K6DNA1F/O Steps Procedure 1. Remove handle and valve cover Remove the screws used for fixing the handle and valve cover,pull the handle and valve Handle cover up ward to remove them. Screw Screw Valve cover 2. Remove top panel Screws Top panel Screws...
- Page 89 Service Manual Steps Procedure 4. Remove front panel Screws Front panel Remove the screws connecting the front panel with the chassis and the motor support, and then remove the front panel. Screws 5. Remove rear grill and right side plate Rear grill Remove the screws 1 connecing the left side Screws 2...
- Page 90 Service Manual Steps Procedure 6. Remove left side plate Left side plate Remove the screws connecting the left side plate and the chassis, and then remove the left side plate. Screws 7. Remove axial flow blade Remove the nut fixing the blade and then remove the axial flow blade.
- Page 91 Service Manual Steps Procedure 9. Remove electric box assy Screws Remove the screws fixing electric box Electric box assy assy ; pull out each wiring terminal; lift the electric box assy upwards to remove it. Note: When pulling out the wiring terminal, pay attention to loose the clasp and don’t pull it so hard.
- Page 92 Service Manual Steps Procedure 12. Remove clapboard Clapboard Remove the screws fixing clapboard and then remove the clapboard. Screws 13. Remove gas valve ,liquid valve and valve support Since the piping ports on the soundproof sponge are torn easily, remove the soundproof sponge carefully.
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Page 93: 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 94: 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 95: 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 96 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 97 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...
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