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Gree A1 Panel Service Manual
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Gree A1 Panel Service Manual

Gree A1 Panel Service Manual

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Change for life
Service Manual
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree A1 Panel

  • Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
  • Page 2 6. Function and Control ..................13 6.1 Remote Controller Introduction for YAN1F6(WIFI) ........13 6.2 Remote Controller Introduction of YAC1FB9(WiFi) .........18 6.3 GREE+ App Operation Manual ................24 6.4 Ewpe Smart App Operation Manual ..............25 6.5 Brief Description of Modes and Functions ...........26...
  • Page 3 Service Manual 9. Maintenance ......................39 9.1 Error Code ........................39 9.2 Maintenance Method for Normal Malfunction ..........49 10. Exploded View and Parts List ..............51 11. Removal Procedure ..................62 Appendix: ........................67 Appendix 1: Reference Sheet of Celsius and Fahrenheit .......67 Appendix 2: Pipe Expanding Method ..............67 Appendix 3: List of Resistance for Temperature Sensor ........69...
  • Page 4 Service Manual Part : Technical Information 1. Summary Indoor Unit: D4 Panel A1 Panel E6 Panel D6 Panel B6 Panel C8 Panel B2 Panel E4 Panel C4 Panel C2 Panel A2 Panel A5 Panel Technical Information...
  • Page 5 Service Manual D8 Panel C6 Panel B8 Panel B4 Panel Remote Controller: YAN1F6(WIFI) YAC1FB9(WiFi) Model List: Indoor model Indoor product code Remote controller GWH(07)QB-K6DNA1A/I CB419N12400 GWH(07)QB-K6DND4A/I CB464N01300 GWH(07)QB-K6DNE6A/I CB465N01400 GWH(07)QB-K6DND6A/I CB460N05500 GWH(07)QB-K6DNC8A/I CB456N05800 CB435N09200 GWH(07)QB-K6DNB6A/I CB435N09201 CB470N02600 GWH(07)QB-K6DNE4A/I CB470N02601 CB432N17500 GWH(07)QB-K6DNB2A/I CB432N17501 CB444N09700...
  • Page 6 Service Manual 1.GWH(07)QB-K6DNA1A/I 2.GWH(07)QB-K6DND4A/I 3.GWH(07)QB-K6DNE6A/I 4.GWH(07)QB-K6DND6A/I 5.GWH(07)QB-K6DNC8A/I 6.GWH(07)QB-K6DNB6A/I 7.GWH(07)QB-K6DNE4A/I 8.GWH(07)QB-K6DNB2A/I Model 9.GWH(07)QB-K6DNC4A/I 10.GWH(07)QB-K6DNC2A/I 11.GWH(07)QB-K6DNA5A/I 12.GWH(07)QB-K6DNA2A/I 13.GWH(07)QB-K6DNC6A/I 14.GWH(07)QB-K6DNB4A/I 15.GWH(07)QB-K6DND8A/I/I 16.GWH(07)QB-K6DNB8A/I 1.CB419N12400 2.CB464N01300 3.CB465N01400 4.CB460N05500 5.CB456N05800 6.CB435N09200/CB435N09201 7.CB470N02600/CB470N02601 8.CB432N17500/CB432N17501 Product Code 9.CB444N09700/CB444N09701 10.CB439N12500 11.CB425N12100 12.CB426N06500/CB426N06501 13.CB443N05500 14.CB434N12800/CB434N12801 15.CB459N05400/CB459N05401 16.CB438N10700 Rated Voltage 220-240 Rated Frequency Phases Cooling Capacity...
  • Page 7 Service Manual GWH07QB-K6DNB6E/I Model GWH07QB-K6DNB4E/I CB435N10800 Product Code CB434N19400 Rated Voltage 220-240 Rated Frequency Phases Cooling Capacity 2700 Heating Capacity 2800 Air Flow Volume 660/590/540/490/450/420/390 Dehumidifying Volume Fan Type Fan Diameter-height Fan Motor Cooling Speed 1350/1200/1120/1050/920/800/750 Fan Motor Heating Speed 1300/1200/1120/1050/950/850/800 Fan Motor Power Output Fan Motor Running Current...
  • Page 8 Service Manual 2.2 Noise Criteria Curve Tables for Both Models All model except: GWH07QB-K6DNB6E/I GWH07QB-K6DNB4E/I Middle High Super High Indoor Fan Motor Rotating Speed GWH07QB-K6DNB6E/I GWH07QB-K6DNB4E/I Indoor Fan Motor Rotating Speed Technical Information...
  • Page 9 Service Manual 3. Outline Dimension Diagram 168.5 159.5 07/09K Φ55 Φ55 Unit:mm Model Technical Information...
  • Page 10 Service Manual 4. Refrigerant System Diagram outdoor indoor filter A heat exchanger filter outdoor heat exchanger 4-way valve B heat exchanger filter high pressure switch discharge silencer C heat exchanger discharge temperature sensor filter D heat exchanger gas -liquid separator filter A1:A unit electronic expansion valve B1:B-unit electronic expansion valve C1:C-unit electronic expansion valve D1:D-unit electronic expansion valve...
  • Page 11 Service Manual 5. Electrical Part 5.1 Wiring Diagram 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. GWH(07)QB-K6DNA1A/I GWH(07)QB-K6DND6A/I GWH(07)QB-K6DNC8A/I GWH(07)QB-K6DNC2A/I GWH(07)QB-K6DNC6A/I GWH(07)QB-K6DNA5A/I GWH(07)QB-K6DNB6A/I(CB435N09200) GWH(07)QB-K6DNE4A/I(CB470N02600)
  • Page 12 Service Manual GWH(07)QB-K6DND4A/I GWH(07)QB-K6DNE6A/I GWH(07)QB-K6DNB8A/I GWH(07)QB-K6DNC4A/I(CB444N09700) GWH(07)QB-K6DNB6A/I(CB435N09201) GWH(07)QB-K6DNE4A/I(CB470N02601) GWH(07)QB-K6DNB4A/I(CB434N12801) GWH(07)QB-K6DNA2A/I(CB426N06501) GWH(07)QB-K6DNB2A/I(CB432N17501) GWH(07)QB-K6DND8A/I(CB459N05401) 60000700068806 GWH07QB-K6DNB6E/I 60000700068804 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...
  • Page 13 Service Manual GWH07QB-K6DNB4E/I 60000700068805 These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit. Technical Information...
  • Page 14 Service Manual 5.2 PCB Printed Diagram All model except: GWH07QB-K6DNB6E/I GWH07QB-K6DNB4E/I ● Top view Name Communication terminal for indoor unit and outdoor unit Terminal of live wire used for supplying power for outdoor unit Terminal of live wire Fuse 5 Neutral wire 6 Interface of PG motor Auto button Interface of up&down swing...
  • Page 15 Service Manual GWH07QB-K6DNB6E/I GWH07QB-K6DNB4E/I ● Top view Name Interface of live wire Fuse Interface of neutral wire Interface of fan Auto button Up&down swing interface Interface of PG feedback Interface of dry contact (only for the mode with this function) Interface of wifi Needle stand for tube temperature sensor...
  • Page 16 Service Manual 6. Function and Control 6.1 Remote Controller Introduction for YAN1F6(WIFI) ON/OFF button MODE button FAN button SWING button TURBO button ▲/ button SLEEP button TEMP button WiFi button LIGHT button CLOCK button TIMER ON / TIMER OFF button Introduction for icons on display screen Set fan speed I feel...
  • Page 17 Service Manual 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Press this button to select your required operation mode. AUTO COOL HEAT ● When selecting auto mode, air conditioner will operate automatically according to ex-factory setting. Set temperature cant be adjusted and will not be displayed as well.
  • Page 18 Service Manual 6. ▲/ button ● Press "▲" or " " button once increase or decrease set temperature 1 . Holding "▲" or " " button, 2s later, set temperature on remote (Temperature cant be adjusted under auto mode) ● When setting TIMER ON, TIMER OFF or CLOCK, press "▲" or " "...
  • Page 19 Service Manual Note: ● Under on and off status, you can set TIMER OFF or TIMER ON simultaneously. ● Before setting TIMER ON or TIMER OFF, please adjust the clock time. ● After starting up TIMER ON or TIMER OFF, set the constant circulating valid. After that, air conditioner will be turned on or turned off according to setting time.
  • Page 20 Service Manual If “H1” is displayed on the remote controller while it’s not operated by the professional person/after-sales person, it belongs to the misoperation. Please operate it as below to cancel it.Under the OFF status of remote controller, hold the “MODE” button for 5s to cancel “H1” display. Note: ●...
  • Page 21 Service Manual 6.2 Remote Controller Introduction of YAC1FB9(WiFi) ON/OFF button MODE button FAN button TURBO button ▲/ button button button SLEEP button I FEEL button TIMER ON / TIMER OFF button CLOCK button QUIET button WiFi button LIGHT button button TEMP button Set fan speed I feel...
  • Page 22 Service Manual Press this button to turn on the unit. Press this button again to turn off the unit. (This indicator is not available for some models). (This indicator is not available for some models). Operation indicator is ON. (This indicator is not available for some models).
  • Page 23 Service Manual ● The function is only available for some mode ● Press this button, can select Sleep 1 ( ), Sleep 2 ( ), Sleep 3 ( ) and cancel the 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 , two hours, setting temperature increased 2 , then the unit will run at this setting temperature;...
  • Page 24 Service Manual ● The Quiet function can be set up in all modes; Under the Quiet mode,the fan speed is not available. ● The Quiet function is only available for some models. ● When quiet function is selected Under cooling mode: indoor fan operates at notch 4 speed. 10 minutes later or when indoor ambient temperature≤28℃, indoor fan will operate at notch 2 speed or quiet mode according to the comparison between indoor ambinet temperature and set temperature.
  • Page 25 Service Manual If “H1” is displayed on the remote controller while it’s not operated by the professional person/after-sales person, it belongs to the misoperation. Please operate it as below to cancel it.Under the OFF status of remote controller, hold the Mode button for 5s to cancel “H1” display. Note: ●...
  • Page 26 Service Manual Technical Information...
  • Page 27 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 Service Manual 6.4 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 Users smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version...
  • Page 29 Service Manual 6.5 Brief Description of Modes and Functions 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status.
  • Page 30 Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Compulsory defrosting function (1) Start up compulsory defrosting function Under ON status, set heating mode with remote controller and adjust the temperature to 16 C.
  • Page 31 Service Manual Mode relationship table for mode shock: Mode Indoor unit with Operation status after mode shock Indoor unit A Indoor unit B Indoor unit A Indoor unit B mode shock Cooling/drying heating Indoor unit B Cooling/drying Indoor fan stops operation Heating Cooling, drying, fan Indoor unit B Heating...
  • Page 32 Service Manual Part : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: enough, please get the specialized power cord or connection wire from the manufacture or distributor. Prohibit prolong the Important! wire by yourself. 11. For the air conditioner without plug, an air switch must Please read the safety precautions carefully before be installed in the circuit.
  • Page 33 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 Any presence of air or other foreign substance in the refrigerant circuit will cause system pressure rise or compressor rupture, resulting in injury.
  • Page 34 Service Manual Safety Operation of Flammable Refrigerant Installation notes operating heater). The minimum room area is shown on the nameplate or following table a. table a - Minimum room area(m Charge amount (kg) ≤1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.1 2.2 2.3 2.4 2.5 floor location 4 14.5 16.8 19.3 22 24.8 27.8 31 34.3 37.8 41.5 45.4 49.4 53.6...
  • Page 35 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 36 Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm At least 15cm Space to the wall Drainage pipe Installation and Maintenance...
  • Page 37 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...
  • Page 38 Service Manual 8.4 Requirements for electric connection 8.2 Installation Parts-checking 1. Safety Precaution (1) Must follow the electric safety regulations when installing Name Name the unit. Indoor unit Sealing gum (2) According to the local safety regulations, use qualified Outdoor unit Wrapping tape power supply circuit and air switch.
  • Page 39 Service Manual 3. Install Wall-mounting Frame 5. Connect the Pipe of Indoor Unit (1) Choose the position of piping hole according to the direction (1) Aim the pipe joint at the corresponding bellmouth.(As show of outlet pipe. The position of piping hole should be a little in Fig.5) lower than the wall-mounted frame.(As show in Fig.1) (2) Pretightening the union nut with hand.
  • Page 40 Service Manual 7. Connect Wire of Indoor Unit Indoor and outdoor power cord (1) Open the panel, remove the screw on the wiring cover and Indoor unit then take down the cover.(As show in Fig.11) pipe screw panel Fig.14 Liquid pipe Band Drain hose...
  • Page 41 Service Manual 8.6 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 emit noise. Have you done the (heating) capacity.
  • Page 42 Service Manual 9. Maintenance 9.1 Error Code 1. Malfunction display requirement When there are several malfunctions, they will be displayed circularly. 2. Malfunction display method (1) Hardware malfunction: immediate display; refer to “error code list”; (2) Operation state: immediate display; refer to “error code list”; (3) Other malfunctions: it is displayed after the compressor stops for 200s;...
  • Page 43 Service Manual Recovery refrigerant mode operation status blink once blink once Startup failure blink 11 times Compressor exhaust high temperature protection blink 4 times Anti-high temperature protection blink 8 times AC over-current protection blink 5 times It can be displayed Over compressor phase current protection blink 15 times through remote...
  • Page 44 Service Manual 1. Malfunction of Temperature Sensor F1, F2 Main detection points: Malfunction diagnosis process: Start Is the wiring terminal between the temperature sensor and the controller Insert the temperature sensor tightly Is malfunction eliminated Is there short circuit due to trip- over of the parts Make the parts upright Is malfunction...
  • Page 45 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: Malfunction diagnosis process: Start While power is off stir the blade with a tool to see whether the blade rotates smoothly Tighten the screw; reassemble the blade, motor and shaft bearing rubber base sub-assy to make sure there is no foreign object between them Is malfunction...
  • Page 46 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points: Malfunction diagnosis process: Start Appearance of the jumper cap Assemble the jumper cap with the same model Is malfunction eliminated Is the jumper cap inserted correctly Insert the jumper cap tightly Is malfunction eliminated...
  • Page 47 Service Manual 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: Malfunction diagnosis process: Start Turn power off for 1minute,the turn back on The unit returns to normal. U8 is still Conclusion:U8 is displayed due to displayed power off/on while the capacitor discharges slowly.
  • Page 48 Service Manual 5. Malfunction of Overcurrent Protection E5 Main detection points: Malfunction diagnosis process: Start Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate eliminated Is the supply voltage too low Adjust the supply voltage to maintain it Is malfunction within normal range eliminated...
  • Page 49 Service Manual 6. High temperature and overload protection (AP1 below means control board of outdoor unit) E8 Main detection points: Malfunction diagnosis process: Start Normal protection, please use it Unit restarts If the outdoor ambient temperature is after improving the outdoor ambient normally temperature Improve the radiating environment of...
  • Page 50 Service Manual 7. Overload Protection Compressor H3 Main detection points: Malfunction diagnosis process: Start Outdoor and indoor heat Clean the outdoor and indoor heat exchangers Malfunction is exchangers are too dirty or the air and remove blockage of air inlet/outlet. eliminated.
  • Page 51 Service Manual 8. 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 52 Service Manual 9.2 Maintenance Method for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting No power supply, or poor After energization, operation indicator isn’t bright wait for power recovery. If not, check power connection for power plug and the buzzer can't give out sound supply circuit and make sure the power plug is...
  • Page 53 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 Measure the capacity of fan capacitor with an...
  • Page 54 Service Manual 10. Exploded View and Parts List All model except: GWH07QB-K6DNB6E/I GWH07QB-K6DNB4E/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 55 Service Manual Part Code Description GWH(07)QB-K6DNA1A/I GWH(07)QB-K6DND4A/I GWH(07)QB-K6DNE6A/I Product Code CB419N12400 CB464N01300 CB465N01400 Front Panel Assy 20022496 200003000075T 00000300007701 Display Board 30565231 300001000081 300001000035 Front Case Assy 20022495 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010...
  • Page 56 Service Manual Part Code Description GWH(07)QB-K6DND6A/I GWH(07)QB-K6DNC8A/I GWH(07)QB-K6DNB6A/I Product Code CB460N05500 CB456N05800 CB435N09200 Front Panel Assy 200003000028S 20000300155T 20000300050T Display Board 300001000041 30565281 30565281 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010...
  • Page 57 Service Manual Part Code Description GWH(07)QB-K6DNE4A/I GWH(07)QB-K6DNB2A/I GWH(07)QB-K6DNC4A/I Product Code CB470N02600 CB432N17500 CB444N09700 Front Panel Assy 200003000065T 20000300019S 20000300105S Display Board 300001000081 30565260 30565260 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010...
  • Page 58 Service Manual Part Code Description GWH(07)QB-K6DNC2A/I GWH(07)QB-K6DNA5A/I GWH(07)QB-K6DNA2A/I Product Code CB439N12500 CB425N12100 CB426N06500 Front Panel Assy 20000300068S 00000300036 20022719 Display Board 30565281 30565260 300001060082 Front Case Assy 00000200040 2002249501 2002273001 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010...
  • Page 59 Service Manual Part Code Description GWH(07)QB-K6DNC6A/I GWH(07)QB-K6DNC4A/I GWH(07)QB-K6DNB4A/I Product Code CB443N05500 CB444N09701 CB434N12800 Front Panel Assy 20000300101T 20000300105S 20000300026T Display Board 30565260 30565260 30565260 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010...
  • Page 60 Service Manual Part Code Description GWH(07)QB-K6DND8A/I GWH(07)QB-K6DNB6A/I GWH(07)QB-K6DNE4A/I Product Code CB459N05400 CB435N09201 CB470N02601 Front Panel Assy 00000300003701 20000300050T 200003000065T Display Board 300001000035 30565281 300001000081 Front Case Assy 00000200040 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010...
  • Page 61 Service Manual Part Code Description GWH(07)QB-K6DNA2A/I GWH(07)QB-K6DNB4A/I GWH(07)QB-K6DNB2A/I Product Code CB426N06501 CB434N12801 CB432N17501 Front Panel Assy 20022719 20000300026T 20000300019 Display Board 300001060082 30565260 30565260 Front Case Assy 2002273001 00000200040 00000200040 Helicoid Tongue 26112508 26112508 26112508 Left Axile Bush 10512037 10512037 10512037 Rear Case assy 20162010...
  • Page 62 Service Manual Part Code Description GWH(07)QB-K6DNB8A/I GWH(07)QB-K6DND8A/I Product Code CB438N10700 CB459N05401 Front Panel Assy 20000300073 00000300003701 Display Board 30565260 300001000035 Front Case Assy 00000200040 00000200040 Helicoid Tongue 26112508 26112508 Left Axile Bush 10512037 10512037 Rear Case assy 20162010 20162010 Drainage Hose 0523001408 0523001408 Ring of Bearing...
  • Page 63 Service Manual GWH07QB-K6DNB6E/I GWH07QB-K6DNB4E/I The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 64 Service Manual Part Code Description GWH07QB-K6DNB6E/I GWH07QB-K6DNB4E/I Product Code CB435N10800 CB434N19400 Front Panel 20000300050T 20000300026T Display Board 30565281 30565260 Front Case Assy 00000200040 00000200040 Guide Louver 1051276301 1051276301 Air Louver 2 10512720 10512720 Swing Lever 10582460 10582460 Helicoid Tongue 26112508 26112508 Rear Case assy 20022682...
  • Page 65 Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. Step Procedure Front panel Open the front panel. Push the left and right filters to make them break away from the groove on the front case. Then Front remove the left and right filters one by case one.
  • Page 66 Service Manual Step Procedure Electric box cover 2 4. Remove electric box cover 2 and detecting plate(WIFI) Screw Remove the screws on the electric box cover 2 and detecting plate(WIFI), then remove the electric box cover 2 and Screws detecting plate(WIFI). Detecting plate (WIFI) 5.
  • Page 67 Service Manual Step Procedure 7. Remove electric box assy Screw Loosen the connection clasps between shield cover of electric box sub-assy and Clasps electric box, and then remove the shield cover of electric box sub-assy. Electric box Shield cover of electric box sub-assy Indoor tube temperature...
  • Page 68 Service Manual Step Procedure Instruction: Some wiring terminal of this product is with lock catch and other devices. Circlip The pulling method is as below: Holder 1.Remove the soft sheath for some terminals terminals. Connector Soft sheath 2.Pull out the holder for some terminals at terminal), hold the connector and then pull the terminal.
  • Page 69 Service Manual Step Procedure Remove the screws fixing motor clamp Screws and then remove the motor clamp. Motor clamp Remove the screws at the connection Screw Motor place of cross flow blade and motor; lift Holder the motor and cross flow blade upwards sub-assy to remove them.
  • Page 70 Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius Celsius Celsius temperature temperature temperature 60.8 69/70 69.8 78/79 78.8 62/63...
  • Page 71 Service Manual Hard mold Note: Expander A(mm) Pipe Outer diameter(mm) Smooth surface F:Inspection Improper expanding port again according to the steps above. damaged leaning crack uneven surface thickness The length is equal Installation and Maintenance...
  • Page 72 Service Manual Appendix 3: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( Temp( Temp( Temp( 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009 16.39 3.454 0.98 108.7 15.68 3.333...
  • Page 73 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp( Temp( Temp( Temp( 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 1.233 129.9 19.14 4.14 1.198...
  • Page 74 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp( Temp( Temp( Temp( 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 73.83 14.62 3.96 548.9 70.5 14.09...
  • Page 75 JF00303268 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com www.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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