Related Manuals for Gree GWH09AEC-K6DNA1A Series
Summary of Contents for Gree GWH09AEC-K6DNA1A Series
- Page 1 Change for life Service Manual Models: GWH09AEC-K6DNA1A GWH12AEC-K6DNA1A (Refrigerant R32) GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
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Page 2: Table Of Contents
5.2 PCB Printed Diagram .....................14 6. Function and Control ..................16 6.1 Remote Controller Introduction ..................16 6.2 GREE+ App Operation Manual ..................21 6.3 Ewpe Smart App Operation Manual ................22 6.4 Brief Description of Modes and Functions ..............23 Part Ⅱ : Installation and Maintenance ..........28... - Page 3 Service Manual 9. Maintenance ......................40 9.1 Error Code List .......................40 9.2 Troubleshooting for Main Malfunction ................46 9.3 Troubleshooting for Normal Malfunction .................60 10. Exploded View and Parts List ..............62 10.1 Indoor Unit ........................62 10.2 Outdoor Unit .........................64 11. Removal Procedure ..................67 11.1 Removal Procedure of Indoor Unit ................67 11.2 Removal Procedure of Outdoor Unit ................74...
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Page 4: Part Ⅰ : Technical Information
Service Manual Part : Technical Information Ⅰ 1. Summary Indoor Unit GWH09AEC-K6DNA1A/I GWH12AEC-K6DNA1A/I Outdoor Unit: Remote Controller: GWH09AEC-K6DNA1A/O GWH12AEC-K6DNA1A/O YAU1FB Indoor product Outdoor product Remote Model Product code Indoor model Outdoor model code code Controller CB370000300 CB370W00300 GWH09AEC-K6DNA1A GWH09AEC-K6DNA1A/I CB370N00300 GWH09AEC-K6DNA1A/O CB370000301 CB370W00301 YAU1FB... -
Page 5: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet Model GWH09AEC-K6DNA1A GWH09AEC-K6DNA1A Product Code CB370000300 CB370000301 Rated Voltage 220-240 220-240 Power Rated Frequency 50/60 Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 2700 2700 Heating Capacity 3200 3200 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input... - Page 6 Service Manual Outdoor Unit Model GWH09AEC-K6DNA1A/O GWH09AEC-K6DNA1A/O Outdoor Unit Product Code CB370W00300 CB370W00301 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO., LTD COMPRESSOR CO., LTD Compressor Model QXF-A102zE190C QXF-A102zE190C Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary Compressor LRA. Compressor RLA Compressor Power Input 1230 1230...
- Page 7 Service Manual Model GWH12AEC-K6DNA1A GWH12AEC-K6DNA1A Product Code CB370000400 CB370000401 Rated Voltage 220-240 220-240 Power Rated Frequency 50/60 50/60 Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 3500 3500 Heating Capacity 3810 3810 Cooling Power Input Heating Power Input Cooling Current Input Heating Current Input Rated Input 1650...
- Page 8 Service Manual Outdoor Unit Model GWH12AEC-K6DNA1A/O GWH12AEC-K6DNA1A/O Outdoor Unit Product Code CB370W00400 CB370W00401 ZHUHAI LANDA ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO., LTD COMPRESSOR CO., LTD Compressor Model QXF-A102zE190C QXF-A102zE190C Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary Compressor LRA. Compressor RLA Compressor Power Input 1230 1230...
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Page 9: Operation Characteristic Curve
Service Manual 2.2 Operation Characteristic Curve Cooling: Heating: Condition Indoor:DB 20 Condition Indoor air flow:Turbo Indoor:DB 27 WB19 Pipe length:5m Indoor air flow: Turbo Voltage:230V Pipe length:5m Voltage:230V Compressor Speed(rps) Compressor Speed(rps) 2.3 Capacity Variation Ratio According to Temperature Heating operation ambient temperature range is -15°C~24°C Cooling: Heating: Condition... -
Page 10: Cooling And Heating Data Sheet In Rated Frequency
Service Manual Heating operation ambient temperature range is -22°C~24°C Cooling: Heating: Condition Condition Indoor:DB 20°C WB19 °C Indoor:DB 27°C Indoor air flow: Super High Indoor air flow: Super High Pipe length:5m Pipe length:5m Outdoor temp. (°C) Outdoor temp. (°C) 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe Inlet and outlet pipe... -
Page 11: Noise Curve
Service Manual 2.5 Noise Curve Indoor side noise when blowing Heating Heating Cooling Cooling Indoor fan motor rotating speed Compressor frequency(Hz) Technical Information... -
Page 12: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit Ø55 Ø55 Unit:mm 3.2 Outdoor Unit Unit:mm Technical Information... -
Page 13: Refrigerant System Diagram
Service Manual 4. Refrigerant System Diagram Outdoor unit Indoor 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 14: 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 15 Service Manual ● Outdoor Unit GWH09AEC-K6DNA1A/O(CB370W00300) GWH12AEC-K6DNA1A/O(CB370W00400) 600007061430 GWH09AEC-K6DNA1A/O(CB370W00301) GWH12AEC-K6DNA1A/O(CB370W00401) 60000706143002 These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit. Technical Information...
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Page 16: Pcb Printed Diagram
Service Manual 5.2 PCB Printed Diagram Indoor Unit Top view Name Interface of netural wire Interface of communication wire Firewire control output Input terminal of live wire Fuse Jumper cap Interface of DC motor Interface of display Interface of cold plasma Interface of right drive box Interface of left drive box Interface of WIFI... - Page 17 Service Manual Outdoor Unit 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 12 Overload interface of compressor...
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Page 18: Function And Control
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Introduction for icons on display screen Set fan speed Healthy mode Turbo mode heating function Send signal Operation mode Auto mode Clean Cool mode Child lock Temp. display type Dry mode :Set temp. - Page 19 Service Manual Note: ●This is a general use remote controller, it could be used for the air conditioners with multifunction; For some function, which the model doesn't have, if press the corresponding button on the remote controller that the unit will keep the original running status. ●After putting through the power, the air conditioner will give out a sound.
- Page 20 Service Manual 10.SLEEP Under COOL or HEAT mode, press this button, can select Sleep 1 ( ), Sleep 2 ( ), Sleep 3 ( ) and cancelthe Sleep, circulate between these, after electrified,Sleep Cancel is defaulted. Sleep 1 is Sleep mode 1, in Cool modes; sleep status after run for one hour, the main unit setting temperature will increase 1 C , two hours, setting temperature increa-sed 2 , then the unit will run at this setting temperature;...
- Page 21 Service Manual 13.WIFI Press " WiFi " button to turn on or turn off WiFi function. When WiFi function is turned on, the " WiFi " icon will be displayed on remote controller; Under status of remote controller off, press " MODE " and " WiFi " buttons simultaneously for 1s, WiFi module will restore to factory default setting.
- Page 22 Service Manual NOTICE: During operation, point the remote control signal sender at the receiving window on indoor unit. The distance between signal sender and receiving window should be no more than 8m, and there should be no obstacles between them. Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone;...
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Page 23: 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 24: 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 25: Brief Description Of Modes And Functions
Service Manual 6.4 Brief Description of Modes and Functions 1. Temperature Parameters ◆ Indoor preset temperature (T preset ◆ Indoor ambient temperature (T amb. 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 26 Service Manual ◆ When compressor is running (not including each malfunction and protection): a.When outdoor ambient temperature≥20°C(68°F) and indoor fan speed is low or medium, the fan speed will turn to high; if indoor fan speed is high or super high, it will keep the same. b.When outdoor ambient temperature≤18°C(64.4°F) , the fan speed will resume set fan speed.
- Page 27 Service Manual c.For heating and cooling unit, when 22°C(71.6°F)<Tindoor ambient<26°C(78.8°F) (for cooling only unit, 22°C(71.6°F)<Tindoor ambient<26°C)(78.8°F), it will keep the original running mode. If the unit is energized for the first time, it will run in fan mode. ② Protection a.
- Page 28 Service Manual 1. In cooling mode: 1.1 When the initial set temperature is16-23°C(60.8~73.4°F),the temperature will rise 1°C(1.8°F) by every hour after sleep function is set;the temperature will not change after rising 3°C(5.4°F) ;after running for 7hours,the temperature will decrease1°C(1.8°F) and it will not change after that.
- Page 29 Service Manual 1. Under heating mode: auto speed under heating or auto heating mode: a. When T ≤T +1°C(1.8°F), indoor fan will operate at high speed; amb. preset b. When T +1°C(1.8°F)<T <T +3°C(5.4°F), indoor fan will operate at medium speed; preset amb.
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Page 30: 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 31 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 32 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 33 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 34: Installation
Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 30cm At least 30cm At least 15cm At least 15cm Space to the wall Space to the wall Drainage pipe Drainage pipe Installation and Maintenance... - Page 35 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 the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...
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Page 36: Installation Parts-Checking
Service Manual 8.4 Electric Connection Requirement 8.2 Installation Parts-checking 1. Safety Precaution Name Name (1) Must follow the electric safety regulations when installing Indoor unit Sealing gum the unit. (2) According to the local safety regulations, use qualified Outdoor unit Wrapping tape power supply circuit and air switch. - Page 37 Service Manual (3)Selection of drainage outlet and drainage installation and in the holes. disassembly guide. (3) Fix the wall-mounting frame on the wall with tapping screws 1.Please determine the position of drainage outlet before (ST4.2X25TA) and then check if the frame is firmly installed by installation the drainage pipe.
- Page 38 Service Manual Refer to the following table for wrench moment of force: (3) Remove the wire clip; connect the power connection wire to the wiring terminal according to the color; tighten the screw Tightening torque(N . m) Hex nut diameter(mm) and then fix the power connection wire with wire clip.(As show Φ6 15~20...
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Page 39: Installation Of Outdoor Unit
Service Manual Note: 2. Install Drain Joint(Only for Cooling and Heating Unit) (1) The power cord and control wire cant be crossed or (1) Connect the outdoor drain joint into the hole on the chassis. winding. (2) Connect the drain hose into the drain vent.(As show in (2) The drain hose should be bound at the bottom. -
Page 40: Vacuum Pumping And Leak Detection
Service Manual (2) Fix the power connection wire and power cord with wire clip. (4) Close the vacuum pump and maintain this status for 1-2min to check if the pressure of piezometer remains in -0.1MPa. If Note: the pressure decreases, there may be leakage. (1) After tightening the screw, pull the power cord slightly to (5) Remove the piezometer, open the valve core of liquid valve check if it is firm. -
Page 41: Check After Installation And Test Operation
Service Manual 8.8 Check after Installation and Test Operation 1. Check after Installation Check according to the following requirement after finishing installation. Items to be checked Possible malfunction Has the unit been The unit may drop, shake or installed firmly? emit noise. -
Page 42: Maintenance
Service Manual 9. Maintenance 9.1 Error Code List Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator During cooling and drying Possible reasons: High operation, except indoor... - Page 43 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator When the outdoor unit receive signal of Gathering refrigerant Gathering ,the system will be forced to Nominal cooling mode...
- Page 44 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Decrease Overload or temperature is too All loads operate normally, frequency high;...
- Page 45 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Compressor intermediate Showing during middle cooling or frequence in middle heating test test state During cooling and drying...
- Page 46 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator During cooling and drying operation, compressor will stop Refer to the malfunction analysis System is while indoor fan will operate;...
- Page 47 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Malfunction of During cooling and drying phase current operation, compressor will stop detection while indoor fan will operate;...
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Page 48: Troubleshooting For Main Malfunction
Service Manual 9.2 Troubleshooting for Main Malfunction 1. Malfunction of Temperature Sensor F1, F2 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 49 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 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 50 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points: ● MalfunctionIs there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● Detectioncircuit of the mainboard isdefined abnormal? Malfunction diagnosis process: Troubleshooting for C5 malfunction...
- Page 51 Service Manual 4. Malfunction of Overcurrent Protection E5 Main detection points: ● EliminatedIs the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Troubleshooting for E5 malfunction Is the supply voltage unstable Normal fluctuation is within 10 % of the rated Malfunction is with big fluctuation?
- Page 52 Service Manual 5. Communication Malfunction E6 Start Cut off power supply. Check if connection line of IDU and ODU and the wire inside electric box are correctly connected. Connect the line Correct connection? according to Malfunction eliminated? wiring diagram. Main board matches Match correctly with display board? Main board of Malfunction eliminated?
- Page 53 Service Manual 6. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Troubleshooting for U8 malfunction Re-energize1 minute after de-erergization The unit returns to normal. Conclusion:U8 is displayed due U8 is still to instant energization afte de- displayed energization while the capacitor discharges slowly.
- Page 54 Service Manual 7. Malfunction of detecting plate(WIFI) JF 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 5. 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...
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Page 62: Troubleshooting For Normal Malfunction
Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Cant be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery. - Page 63 Service Manual 4. ODU Fan Motor Cant 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 64: Exploded View And Parts List
Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 65 Service Manual Part Code Description GWH09AEC-K6DNA1A/I GWH12AEC-K6DNA1A/I Product Code CB370N00300 CB370N00400 Decorative Board (Right) 23000506001201 23000506001201 Decorative ring (right) 230004060003D01 230004060003D01 Retaining Plate (Fan motor) 012066060372 012066060372 Brushless DC Motor 150104060027 150104060027 Motor Holder 200121060002 200121060002 Right Driving Box Sub-assy 000419060003 000419060003 Cross Flow Fan...
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Page 66: Outdoor Unit
Service Manual 10.2 Outdoor Unit 21 22 23 24 25 The component picture is only for reference; please refer to the actual product. Installation and Maintenance... - Page 67 Service Manual Part Code Description GWH09AEC-K6DNA1A/O GWH09AEC-K6DNA1A/O Product Code CB370W00300 CB370W00301 Left Side Plate 01303200P 01303200P Fan Motor 1501308511 1501308511 Motor Support 01703136 01703136 Condenser Assy 011002060376 011002060376 Top Cover Sub-Assy 01253107P 01253107P Rear Grill 01475014 01475014 Clapboard Sub-Assy 01233180 01233180 Compressor and Fittings 009001060331...
- Page 68 Service Manual Part Code Description GWH12AEC-K6DNA1A/O GWH12AEC-K6DNA1A/O Product Code CB370W00400 CB370W00401 Left Side Plate 01303200P 01303200P Fan Motor 1501308511 1501308511 Motor Support 01703136 01703136 Condenser Assy 011002060209 011002060209 Top Cover Sub-Assy 01253107P 01253107P Rear Grill 01475014 01475014 Clapboard Sub-Assy 01233180 01233180 Compressor and Fittings 009001060331...
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Page 69: Removal Procedure
Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Step Procedure 1. Remove filter Under on status, press clean button on the remote controller to enter into clean mode. Once the air guide louver has been pushed to the maximum position, please cut off the power. - Page 70 Service Manual Step Procedure Hook Pull the hook at the left side of air guide louver upwards and then the left side of air guide louver can be removed. Hook of connection rod Hold the air guide louver, press the cross clasp at Cross clasp the right side of air guide louver, hold it to the left side and then remove the air guide louver.
- Page 71 Service Manual Step Procedure 4. Remove rear case assy Hold the clasps at both sides of drainage pipe and Claps pull it downwards to let the drainage pipe separate from the bottom case. (1)Remove the finger guard grille. Press the claps at the top of the guard grille and then pull the finger guard grille upwards to remove it.
- Page 72 Service Manual Step Procedure 5.Remove panel Push the panel to the right side, pull the left side of panel upwards to loose the clasp at the left side, Display Panel push the panel to the left and pull it upwards to Screws loose the clasp at the right side, and then remove the panel.
- Page 73 Service Manual Step Procedure 8.Remove Front Case Remove 2 screws used for fixing the front case and 1 screw used for fixing the WIFI, turn over the front case, pull the front case upwards to loose the upper clasp, and then remove the front case. Screws Clasp 9.
- Page 74 Service Manual Step Procedure Screw of Tube temperature grounding wire Cold plasma sensor 10. Remove Motor Remove 3 screws used for fixing the motor mounting plate and then remove the motor mounting plate. Screws Motor Pull it to the right side forcibly and then the motor can be remove from the installation hole of motor support.
- Page 75 Service Manual Step Procedure 12.Remove Connecting pipe Clamp Remove one screw used for fixing the press plate of connection pipe, turn it over to the right side until Screw you have heard a sound. After that, the press plate of connection pipe can be removed. 13.
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Page 76: Removal Procedure Of Outdoor Unit
Service Manual 11.2 Removal Procedure of Outdoor Unit Steps Procedure 1.Remove big handle Before disassamble． Remove the screws fixing handle、valve big handle cover and then remove them. valve cover 2. Remove top cover top cover Remove the screws fixing top panel and then remove the top panel. - Page 77 Service Manual Step Procedure 3.Remove grille 、protective 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 protective panel with the chassis and the motor support, and grille then remove the front panel.
- Page 78 Service Manual Step Procedure 6.Remove motor and motor support Remove the screws fixing motor and then remove the motor. Remove the screws fixing motor support and then remove the motor support. motor support motor 7.Remove electric box assy Remove the screws fixing electric box assy; cut off electric box assy the tieline;...
- Page 79 Service Manual Step Procedure 9.Remove 4-way valve assy 4-way valve assy Unsolder the welding joints connecting the 4-way valve assy with capillary sub-assy, compressor and condenser; remove the 4-way valve.单冷机移除的为 吸排气管。 Note: Before unsoldering the welding joint, wrap the 4-way valve with a wet cloth completely to avoid damage to the valve caused by high temperature.
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Page 80: 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 81: 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 82: Appendix 4: List Of Resistance For Temperature Sensor
Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of 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 83 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 84 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 85 Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn 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 For product improvement, specifications and appearance in this manual are subject to change without prior notice.
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