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Change for Life
Service Manual
Models: GWH(07)KF-K3DNA8E/I
GWH(07)KF-K3DNA6E/I
GWH(07)KF-K3DNB4E/I
GWH(07)KF-K3DNB1E/I
GWH(07)KF-K3DNA5E/I
GWH(07)KF-K3DNB2E/I
GWH(09)KF-K3DNA6E/I
GWH(09)KF-K3DNB1E/I
GWH(09)KF-K3DNA5E/I
GWH(09)KF-K3DNB2E/I
GWH(12)KF-K3DNA6E/I
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
GWH(12)KF-K3DNB4E/I
GWH(12)KF-K3DNB1E/I
GWH(12)KF-K3DNB2E/I
GWH(12)KF-K3DNA5E/I
GWH(18)KG-K3DNA6E/I
GWH(18)KG-K3DNB2E/I
GWH(18)KG-K3DNA8E/I
GWH(18)KG-K3DNB1E/I
GWH(18)KG-K3DNA5E/I
(Refrigerant R410A)
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Summary of Contents for Gree GWH(09)KF-K3DNA6E/I
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Page 1: Service Manual
Change for Life Service Manual Models: GWH(07)KF-K3DNA8E/I GWH(12)KF-K3DNB4E/I GWH(07)KF-K3DNA6E/I GWH(12)KF-K3DNB1E/I GWH(07)KF-K3DNB4E/I GWH(12)KF-K3DNB2E/I GWH(07)KF-K3DNB1E/I GWH(12)KF-K3DNA5E/I GWH(07)KF-K3DNA5E/I GWH(18)KG-K3DNA6E/I GWH(07)KF-K3DNB2E/I GWH(18)KG-K3DNB2E/I GWH(09)KF-K3DNA6E/I GWH(18)KG-K3DNA8E/I GWH(09)KF-K3DNB1E/I GWH(18)KG-K3DNB1E/I GWH(09)KF-K3DNA5E/I GWH(18)KG-K3DNA5E/I GWH(09)KF-K3DNB2E/I (Refrigerant R410A) GWH(12)KF-K3DNA6E/I 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 Noise Criteria Curve Tables for Both Models ..............4 3. Outline Dimension Diagram .................. 5 4. - Page 3 Service Manual Appendix: ........................... 52 Appendix 1: Reference Sheet of Celsius and Fahrenheit ............52 Appendix 2: Configuration of Connection Pipe ................ 52 Appendix 3: Pipe Expanding Method ..................53 Appendix 4: List of Resistance for Temperature Sensor ............54 Table of Contents...
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Page 4: Part Ⅰ : Technical Information
Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit: GWH(07)KF-K3DNA6E/I GWH(07)KF-K3DNB1E/I GWH(09)KF-K3DNB1E/I GWH(09)KF-K3DNA6E/I GWH(12)KF-K3DNB1E/I GWH(12)KF-K3DNA6E/I GWH(18)KG-K3DNB1E/I GWH(18)KG-K3DNA6E/I GWH(07)KF-K3DNA8E/I GWH(07)KF-K3DNB4E/I GWH(12)KF-K3DNB4E/I GWH(18)KG-K3DNA8E/I GWH(07)KF-K3DNB2E/I GWH(12)KF-K3DNA5E/I GWH(18)KG-K3DNA5E/I GWH(09)KF-K3DNB2E/I GWH(07)KF-K3DNA5E/I GWH(12)KF-K3DNB2E/I GWH(09)KF-K3DNA5E/I GWH(18)KG-K3DNB2E/I Remote Controller: AUTO HEALTH X-FAN HUMIDITY FILTER YB1F2(XFAN) TURBO... -
Page 5: Specifications
Service Manual 2. Specifications 2.1 Specification Sheet GWH(07)KF-K3DNA6E/I GWH(09)KF-K3DNA6E/I GWH(07)KF-K3DNA8E/I GWH(09)KF-K3DNB1E/I GWH(07)KF-K3DNB4E/I Model GWH(09)KF-K3DNA5E/I GWH(07)KF-K3DNB1E/I GWH(09)KF-K3DNA6E/I GWH(07)KF-K3DNA5E/I GWH(09)KF-K3DNB2E/I GWH(07)KF-K3DNB2E/I CB146N26201 CB146N26301 CB146N32800 CB146N30100 CB146N33300 Product Code CB146N28301 CB146N30000 CB146N26302 CB146N35500 CB409N01100 CB409N01400 Rated Voltage 220-240 220-240 Rated Frequency Phases Cooling Capacity... - Page 6 Service Manual GWH(12)KF-K3DNA6E/I GWH(12)KF-K3DNB4E/I GWH(18)KG-K3DNA6E/I GWH(12)KF-K3DNB1E/I GWH(18)KG-K3DNB2E/I Model GWH(12)KF-K3DNA5E/I GWH(18)KG-K3DNB1E/I GWH(12)KF-K3DNA6E/I GWH(18)KG-K3DNA5E/I GWH(12)KF-K3DNB2E/I CB146N26401 CB146N33400 (CB146N32500/CB146N26501) CB146N30500 CB409N01900 Product Code CB146N33001 CB146N35400 CB146N26402 CB146N32901 CB409N00900 Rated Voltage 220-240 220-240 Rated Frequency Phases Cooling Capacity Heating Capacity Air Flow Volume (SH/H/M/L) 680/560/410/300 800/680/560/460 Dehumidifying Volume...
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Page 7: Noise Criteria Curve Tables For Both Models
Service Manual 2.2 Noise Criteria Curve Tables for Both Models Middle High Super High Indoor Fan Motor Rotating Speed Technical Information... -
Page 8: Outline Dimension Diagram
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit 07/09/12K: 2XΦ55 18K: 2XΦ55 Unit:mm Modle 07/09/12K Technical Information... -
Page 9: Electrical Part
Service Manual 4. Electrical Part 4.1 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 10 Service Manual ROOM TUBE MOTOR TEM.SENSOR TEM.SENSOR TUBE ROOM N(1) COM-OUT JUMP AC-L YEGN DISP1 DISP2 SWING-UD 4YEGN HEALTH-N HEALTH-L EVAPORATOR COOL PLASMA RECEIVER AND SWING GENERATOR MOTOR DISPLAY BOARD NOTE:The parts with broken line is applicable to the models with COOL PLASMA GENERATOR These wiring diagrams are subject to change without notice;...
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Page 11: Pcb Printed Diagram
Service Manual 4.2 PCB Printed Diagram (1) 07/09/12K ● Top view Name Jumper cap Display interface 1, 2 Up&down swing Ambient temperature sensor Tube temperature sensor PG feedback interface PG motor interface Communication interface between live wire and neutral wire Neutral wire for healthy function 10 Interface of neutral wire... - Page 12 Service Manual (2) 18K ● Top view Name Interface of health function neutral wire Interface of live wire Neutral wire Fuse PG motor Interface of health function live wire Communication interface between indoor unit and outdoor unit Auto button Up&down swing 10 PG feedback 11 Display interface 12 Jumper cap...
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Page 13: Function And Control
Service Manual 5. Function and Control 5.1 Remote Controller Introduction ON/OFF Button AUTO HEALTH X-FAN MODE Button HUMIDITY FILTER +/- Button TURBO HOUR FAN Button ON/OFF Button Button ON/OFF MODE HEALTH SAVE Button X-FAN Button TEMP Button TIMER Button X-FAN TEMP TIMER TURBO Button... - Page 14 Service Manual AUTO COOL DRY HEAT high speed. Auto no display (horizontal louvers stops at current position) Under unit off status, press “+” button and button simultaneously to switch between simple swing setting and fixed-angle swing setting. During switching the two swing settings, icon will blink for 2s.
- Page 15 Service Manual no display (horizontal louvers (swing angle is stops at current position) displayed dynamically) (swing angle is displayed dynamically) Under unit off status, press “+” button and button simultaneously to switch between simple swing setting and fixed-angle swing setting. During switching the two swing settings, icon will blink for 2s.
- Page 16 Service Manual Signal sender Battery Reinstall Cover of Remove battery box Technical Information...
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Page 17: Brief Description Of Modes And Functions
Service Manual 5.2 Brief Description of Modes and Functions I. Basic Operation Mode 1. Cool; 2.Dry; 3.Heat; 4.Auto; 5.Fan II. Basic Functions 1.Cooling Only (1) Under this mode, fan and swing run at preset status, the temperature setting range is 16-30 . indoor temperature---target temperature (2) Under malfunction for outdoor unit and protection stop, the indoor unit runs with the original status, and display malfunction. -
Page 18: Memory Function
Service Manual III. Other Control 1. Buzzer The buzzer will give out a beep when the controller is energized, receiving signal from remote controller and auto button. 2. Auto Button Press this button once, it will operate in Auto mode, and indoor fan operates in Auto fan mode and swing. When the unit is on, pressing this button will turn off the unit. - Page 19 Service Manual 7. HEALTH Function When the unit is on and the indoor fan operates, press HEALTH button to st art this function (if there is no Health button, HEALTH operation is defaulted). When indoor fan stops or turning of HEALTH function by remote controller, HEALTH...
- Page 20 Service Manual 14. Refrigerant Recovery Function (Applicable for Moving the Unit or Maintaining the Unit) (1) Start up refrigerant recovery function Set cooling mode with remote controller within 5min after energization, adjust temperature at 16ºC and press light button on remote controller for 3 times successively to any one indoor unit within 3s and then the complete unit will enter into refrigerant recovery status.
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Page 21: Part Ⅱ : Installation And Maintenance
Service Manual Part Ⅱ : Installation and Maintenance 6. 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 22 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 23: Installation
Service Manual 7. Installation 7.1 Installation Dimension Diagram Space to the wall Space to the wall At least 15cm At least 15cm Drainage pipe Installation and Maintenance... -
Page 24: Installation Procedures
Service Manual Installation Procedures Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install 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 25: Installation Parts-Checking
Service Manual 7.2 Installation Parts-Checking 7.4 Requirements Forelectric Connection Name Name 1. Safety Precaution Indoor unit Sealing gum (1) Must follow the electric safety regulations when installing Outdoor unit Wrapping tape the unit. Support of outdoor (2) According to the local safety regulations, use qualified Connection pipe unit power supply circuit and air switch. - Page 26 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 27 Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe (1) Open the panel, remove the screw on the wiring cover and (1) Bind up the connection pipe, power cord and drain hose then take down the cover.(As show in Fig.11) with the band.(As show in Fig.14) (2) Reserve a certain length of drain hose and power cord Panel...
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Page 28: Check After Installation And Test Operation
Service Manual 7.6 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 installed firmly? emit noise. -
Page 29: Maintenance
Service Manual 8. Maintenance 8.1 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 30 Service Manual Recovery refrigerant mode operation status blink once blink once ON for 0.5s X-fan operation status and OFF for OFF for 0.5s Defrosting or oil return in heating operation status and ON for Startup failure blink 11 times Compressor exhaust high temperature protection blink 4 times Anti-high temperature protection blink 8 times...
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Page 31: Troubleshooting
Service Manual 8.2 Troubleshooting (1) Temperature sensor malfunction (F1/F2 ) Start Is the wiring terminal between temperature sensor and the controller loosened or poo rly contacted? Insert the temperature sensor tightly Malfunction is eliminated. Is there short circuit due to tri-pover of the pa rts? Make the parts upright Malfunction is... - Page 32 Service Manual (2) PG motor (indoor fan motor) does not operate (H6) “H6”is displayed on the unit. Stir the fan blade with a hand when the unit is DE - ENERGIZED . Reinstall the motor Does the and the blade to blade rotate make it rotate unsmoothly?
- Page 33 Service Manual (3) Jumper cap malfunction (C5) C5 is displayed on the unit. Install a matching Is there jumper cap on the jumper cap . controller? Is the malfunction eliminated? Re-insert the jumper Is the jumper cap inserted incorrectly or improperly? Is the malfunction eliminated?
- Page 34 Service Manual (4) U8 malfunction “U8” is displayed on the unit. Re-energize 1 minute after de-erergization The unit returns to normal. Is“U8” Conclusion: U8 is displayed due to still displayed? instant energization after de- energization while the capacitor discharges slowly. The zero-cross detection circuit of the mainboard is defined abnormal.
- Page 35 Service Manual (5) Communication malfunction (E6) Main checking points: If the connection wire between the indoor unit and outdoor unit is connected well, if the wires inside the unit is connected well; If the indoor mainboard or outdoor main board is broken; Flow chart: Communication malfunction of some indoor units...
- Page 36 Service Manual All the indoor units appear communication malfunction De-energize, check the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly Reconnect according to Eliminate the malfunction Connected correctly? the wiring diagram De-energize, check if the connection wire between the outdoor mainboard and the filter board according to the wiring diagram...
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Page 37: Maintenance Method For Normal Malfunction
Service Manual 8.3 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 38 Service Manual 4. Oudoor 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 39: Exploded View And Parts List
Service Manual 9. Exploded View and Parts List 9.1 Indoor Unit (1) 07/09/12K Installation and Maintenance... - Page 40 Service Manual Part Code Description GWH(07)KF-K3DNA8E/I GWH(07)KF-K3DNB4E/I GWH(07)KF-K3DNA6E/I Product Code CB146N32800 CB146N33300 CB146N26201 Front Panel 20012597S 20022500S 20012443S Filter Sub-Assy 1112208201 1112208201 1112208201 Screw Cover 24252019 24252019 24252019 Membrane 63062017 63062017 63062017 Front Case Assy 2001237501 2001237501 2001237501 Guide Louver 10512119 10512119 10512119...
- Page 41 Service Manual Part Code Description GWH(07)KF-K3DNB1E/I GWH(09)KF-K3DNB1E/I GWH(09)KF-K3DNA6E/I Product Code CB146N30000 CB146N30100 CB146N26301 Front Panel 2001268801S 2001268801S 20012443S Filter Sub-Assy 1112208201 1112208201 1112208201 Screw Cover 24252019 24252019 24252019 Membrane 63062017 63062017 63062017 Front Case Assy 2001237501 2001237501 2001237501 Guide Louver...
- Page 42 Service Manual Part Code Description GWH(12)KF-K3DNB1E/I GWH(12)KF-K3DNA6E/I GWH(12)KF-K3DNB4E/I Product Code CB146N30500 CB146N26401 CB146N33400 Front Panel 2001268801S 20012443S 20022500S Filter Sub-Assy 1112208201 1112208201 1112208201 Screw Cover 24252019 24252019 24252019 Membrane 63062017 63062017 63062017 Front Case Assy 2001237501 2001237501 2001237501 Guide Louver 10512119 10512119 10512119...
- Page 43 Service Manual Part Code Description GWH(07)KF-K3DNA5E/I GWH(09)KF-K3DNA5E/I GWH(12)KF-K3DNA5E/I Product Code CB146N35500 CB146N28301 CB146N33001 Front Panel 2001232501S 2001232501S 2001232501S Filter Sub-Assy 1112208201 1112208201 1112208201 Screw Cover 24252019 24252019 24252019 Membrane 63062017 63062017 63062017 Front Case Assy 2001237501 2001237501 2001237501 Guide Louver 10512119 10512119 10512119...
- Page 44 Service Manual Part Code Description GWH(09)KF-K3DNA6E/I GWH(12)KF-K3DNA6E/I Product Code CB146N26302 CB146N26402 Front Panel 20012443S 20022500S Filter Sub-Assy 1112208201 1112208201 Screw Cover 24252019 24252019 Membrane 63062017 63062017 Front Case Assy 2001237501 2001237501 Guide Louver 10512119 10512119 Helicoid Tongue 26112486 26112486 Air Louver...
- Page 45 Service Manual Part Code Description GWH(07)KF-K3DNB2E/I GWH(09)KF-K3DNB2E/I GWH(12)KF-K3DNB2E/I Product Code CB409N01400 CB409N01100 CB409N00900 Front Panel 20012980 20012980 20012980 Filter Sub-Assy 1112208201 1112208201 1112208201 Screw Cover 24252019 24252019 24252019 Membrane 63062017 63062017 63062017 Front Case Assy 2001237501 2001237501 2001237501 Guide Louver 10512119 10512119 10512119...
- Page 46 Service Manual (2)18K AUTO HEALTH X-FAN HUMIDITY FILTER TURBO HOUR ON/OFF ON/OFF MODE X-FAN TEMP TIMER TURBO SLEEP LIGHT Installation and Maintenance...
- Page 47 Service Manual Part Code Description GWH(18)KG-K3DNA6D/I GWH(18)KG-K3DNA8E/I GWH(18)KG-K3DNB2E/I Product Code CB146N26501 CB146N32500 CB409N01900 Front Panel 20012495S 20012663 20012663 Filter Sub-Assy 11122104 11122104 11122104 Screw Cover 242520041 242520041 242520041 Front Case Assy 20012497 20012497 20012497 Guide Louver 10512140 10512140 10512140 Air Louver 10512160 10512160 10512160...
- Page 48 Service Manual Part Code Description GWH(18)KG-K3DNA5E/I GWH(18)KG-K3DNB1E/I Product Code CB146N32901 CB146N35400 Front Panel 20012473S 20012676S Filter Sub-Assy 11122104 11122104 Screw Cover 242520041 242520041 Front Case Assy 20012497 20012497 Guide Louver 10512140 10512140 Air Louver 10512160 10512160 Helicoid Tongue 26112232 26112232 Left Axile Bush 10512037 10512037...
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Page 49: Removal Procedure
Service Manual 10. Removal Procedure Caution: discharge the refrigerant completely before removal. 10.1 Removal Procedure of Indoor Unit Points Procedure Step 1. External features If ON/OFF button is kept pushing for 5 seconds, a forced cooling operation will be carried out for ap - prox. - Page 50 Service Manual Points Procedure Step 3. Open and shut front panel Remove the bush. Bend the horizontal louver slightly to remove it. Support the front panel by one hand, while remove the rotation axis at the upper center by the other hand.
- Page 51 Service Manual Points Procedure Step 4. Opening and closing of service cover Remove a service cover mounting screw. Open service cover upward. not provided in particular. screws 5. Removal of front grille assembly Remove the 5 screws, in the right and the left, Screw stoppers inside the with the front grille.
- Page 52 Service Manual Points Procedure Step 6. Remove electrical box Disconnect the Cable Pay attention to the direction clamp of the retainer of the thermistor so that the retainer will not touch the harness (same as the existing models.) Take care not to lose the clip of themistor R e m o v e Te m p e r a t u r e Heat exchanger thermistor...
- Page 53 Service Manual Points Procedure Step 7. Remove piping fixture. Remove Pipe Clamp Auxiliary piping Auxiliary piping Adjust the pipeline slightly Loosen the screws, Heat exchanger in the right and the left, which fix the Evaporator Assy. Remove Evaporator Assy Installation and Maintenance...
- Page 54 Service Manual Points Procedure Step 8. Remove pressure plate of motor pressure plate of motor Remove the screws fixing the pressure plate of motor and then remove the pressure plate of motor. 9. Remove shaft cushion rubber base Shaft cushion rubber base Remove the motor, blade and shaft cushion rubber base Screw...
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Page 55: 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 56: 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 57: 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 58 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 59 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 60 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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