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Change for Life Service Manual Models: GWH09UB-K3DNA4F GWH12UB-K3DNA4F GWH18UC-K3DNA4F (Refrigerant R410A) GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI...
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Service Manual Table of Contents Part : Technical Information ...............1 1. Summary ........................1 ......................2 ......................2 ..................8 ............9 ...........10 ........................10 3. Outline Dimension Diagram ..............11 3.1 Indoor Unit ........................11 ........................12 4. Refrigerant System Diagram ..............13 5. Electrical Part ......................14 5.1 Wiring Diagram .......................14 5.2 PCB Printed Diagram .....................17 6.
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Service Manual 9. Maintenance ......................69 9.1 Error Code List .......................69 ..................75 ...............100 11. Removal Procedure ..................113 ................113 ................122 Appendix: ........................133 ..........133 ..............133 Appendix 3: Pipe Expanding M .................134 ............135 Table of Contents...
Service Manual Part : Technical Information 1. Summary Indoor Unit: GWH09UB-K3DNA4F/I GWH12UB-K3DNA4F/I GWH18UC-K3DNA4F/I Outdoor Unit: GWH09UB-K3DNA4F/O GWH12UB-K3DNA4F/O GWH18UC-K3DNA4F/O Remote Controller: SAA1FB1 Technical Information...
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Service Manual Parameter Unit Model GWH09UB-K3DNA4F 1.CB264000602 2.CB264000603 3.CB264000604 Rated Voltage 220-240 Power Cooling Capacity 2600 Heating Capacity 3000 1630 650/530/470/400/350/300/290 EER W/W 4.33 COP W/W 3.75 SEER SCOP Application Area 12-18 Model GWH09UB-K3DNA4F/I 1.CB264N00602 2.CB264N00603 3.CB264N00604 Fan Type Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q)
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Service Manual Model GWH09UB-K3DNA4F/O CB264W00600 Compressor Model Compressor Oil FV50S Compressor Type Rotary L.R.A. Compressor RLA 1430 1NT11L-6233 Operation temp °C 16~30 Ambient temp (cooling) °C -18~54 °C -30~24 Condenser Form Pipe Diameter 2.5-1.4 Fan Motor Speed Fan Motor RLA 0.24...
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Service Manual Parameter Unit Model GWH12UB-K3DNA4F 1.CB264000702 2.CB264000703 3.CB264000704 Rated Voltage 220-240 Power Cooling Capacity 3500 Heating Capacity 3600 1680 720/550/490/420/370/320/290 EER W/W 3.80 COP W/W 3.71 SEER SCOP Application Area 16-24 Model GWH12UB-K3DNA4F/I 1.CB264N00702 2.CB264N00703 3.CB264N00704 Fan Type Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1400/1185/1053/920/829/741/650/550 Fan Motor Heating Speed (SH/H/MH/M/ML/L/SL/Q)
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Service Manual Model GWH12UB-K3DNA4F/O CB264W00700 Compressor Model Compressor Oil FV50S Compressor Type Rotary L.R.A. Compressor RLA 1430 1NT11L-6233 Operation temp °C 16~30 Ambient temp (cooling) °C -18~54 °C -30~24 Condenser Form Pipe Diameter 2.5-1.4 Fan Motor Speed Fan Motor RLA 0.24 Fan Motor Capacitor 2400...
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Service Manual Parameter Unit Model GWH18UC-K3DNA4F 1.CB264000502 2.CB264000503 3.CB264000504 Rated Voltage 220-240 Power Cooling Capacity 5275 Heating Capacity 5275 1600 1420 2400 850/750/650/600/500/400/340 EER W/W 3.30 COP W/W 3.72 SEER SCOP Application Area 23-34 Model GWH18UC-K3DNA4F/I 1.CB264N00502 2.CB264N00503 3.CB264N00504 Fan Type Fan Motor Cooling Speed (SH/H/MH/M/ML/L/SL/Q) r/min 1350/1150/1050/930/800/700/650/600...
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Service Manual Model GWH18UC-K3DNA4F/O CB264W00500 Compressor Model Compressor Oil 68EP Compressor Type Rotary L.R.A. Compressor RLA 1430 1NT11L-6233 Operation temp °C 16~30 Ambient temp (cooling) °C -18~54 °C -30~24 Condenser Form Pipe Diameter 2-1.4 Fan Motor Speed Fan Motor RLA Fan Motor Capacitor 3200 Fan Type...
Service Manual 2.4 Cooling and Heating Data Sheet in Rated Frequency Cooling: Rated cooling Compressor connecting indoor Fan speed of Fan speed of condition(°C) (DB/WB) Model (Hz) Indoor P (MPa) T1 (°C) T2 (°C) in:8~11 in:50~80 27/19 35/24 09K/12K 0.85~1.0 in:8~11 in:75~83 27/19...
Service Manual 5. Electrical Part 5.1 Wiring Diagram Symbol Symbol Color Symbol Symbol Color Symbol Name Green Yellow Brown COMP Compressor YEGN Yellow/Green Violet Orange GWH09UB-K3DNA4F/I GWH12UB-K3DNA4F/I 63610000224 Technical Information...
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Service Manual GWH18UC-K3DNA4F/I 63610000222 Technical Information...
Service Manual 5.2 PCB Printed Diagram Indoor Unit 09/12K Top view Up&down swing 2 Up&down swing 1 Indoor fan motor Display interface Up&down swing 3 Bottom view Technical Information...
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Service Manual Top view 10 11 Up&down swing 3 swing Up&down swing 2 wire Up&down swing 1 sensor Interface of DC motor Display interface Bottom view Technical Information...
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Service Manual Outdoor Unit 09K/12K Top view 14 15 Bottom view Technical Information...
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Service Manual Top view Terminal of compressor wire Terminal of low pressure protection Terminal of compressor overload protection Te r m i n a l o f o u t d o o r temperature sensor Terminal of outdoor fan Terminal of 4-way valve Communication wire with indoor unit...
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Specialties note Matching instructions Note: Matching of remote controlle Buttons on Remote Controller ON/OFF button +/- button Cool button Heat button Fan button I Feel button Up down swing button Mode button Left right swing button T-ON/T-OFF button...
Service Manual Introduction for Icons on Display Screen Set fan speed Operation mode Send signal battery power Auto mode WIFI humidity functions Cool mode INTELLIGENT Temp.display type Healthy mode Dry mode Set temperature Fan mode Heat mode Up & down swing Set time Left &...
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Service Manual button no display (stops at current position) 8. MODE button AUTO COOL HEAT angle. Note: button no display (horizontal louvers stops at current position) 10. T-ON/T-OFF button T-ON button T-OFF button cancel it. Technical Information...
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Service Manual 15. LIGHT button 16. SLEEP button cancel About X-FAN function About AUTO RUN About lock About switch between Fahrenheit and Centigrade Technical Information...
Service Manual Energy-saving function Note: heating function Note: Operation guide Replacement of batteries in remote controller signal sender battery reinstall remove Cover of battery box Note: battery level Technical Information...
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Service Manual 6.2 Operation of Smart Control (Smart Phone, Tablet PC) For Gree Operation Instructions Download and install APP gree-a gree-cn gree-cn gree-dh Technical Information...
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Service Manual (3) Settings Technical Information...
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Service Manual 6.4 Brief Description of Modes and Functions Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Indoor unit 1.This controller includes functions as below 2.Control object of controller 3.Basic functions of system (1)Cooling mode (2)Dry mode Operation condition and process for dry mode. (3)Heating mode (not for cooling only unit) (4)Fan mode (5)Auto mode...
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Service Manual Error name Demagnetizing protection of compressor Technical Information...
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Service Manual 5.Other control (1)Timer function (2)Auto button (3)Buzzer (4)Sleep function (5)Turbo Function (6)X-fan function (7)Compulsory defrosting function °C (8)Refrigerant recovery function (applicable for movement or maintenance) °C (9)Auto fan speed control sensor. (10)Left&right swing control ⑤ (11)Up&down swing control ①...
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Service Manual Horizontal louver postion diagrammatic sketch Initial stauts after reset is finished Lower swing Upper swing (12)Display Display of operation icon and mode icon °C (13)Locked protection to motor 6.Special Functions (1)Rf control function remote controller. (2)I Feel function (3)Malfunction detecting of temperature sensor (4)Low power consumption standby function 7.Error Analysis...
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Service Manual (5)Error 5: Dual-8 nixie tube of display board displays “H6”. (6)Error 6: Dul-8 nixie tube of display board displays “FC”. (7)Error 7: Dul-8 nixie tube of display board displays “JF” or “rF”. or controller. 8.Blockage protection to Motor 9.Communication malfunction 10.Auto inspection function Technical Information...
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Service Manual Outdoor unit 09K/12K 1. System function 1.1 Cooling mode 1.2 Drying mode °C. 1.3 Heating mode stop operation. 1.4 Fan mode °C. 2. Protection function operates at set fan speed. Technical Information...
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Service Manual 2.2 Delay protection of compressor °C °C °C °C stop operation. closed. 2.8 Power protection of compressor be cleared. Technical Information...
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Service Manual 1. Compensation function of input parameters According to the structure of wall-mounting unit, considering the comfortability for operation, indoor ambient temperature when the compressor is at OFF status is higher than set temperature under heating mode. 2. Control of detecting the availability of parameters For ensuring the safety and reliability of operation, please insert the outdoor discharge temperature sensor into the corresponding temperature sensor bushing to make sure that the control system can detect system discharge temperature accurately.
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Service Manual 11.2 Under cooling or drying mode, if T <6, the operation frequency of compressor may increase or decrease; inner tube 11.2.1 If the unit is stopped because of freeze protection for 6 times successively, it can’t resume operation automatically and the malfunction will be displayed continuously, which can only be resumed by pressing ON/OFF button.
Service Manual Part : 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.
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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.
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...
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...
Service Manual 8.2 Installation Parts-checking 8.4 Electric Connection Requirement Name Name 1. Safety Precaution Wrapping tape Connection pipe Drainage pipe Fixing screw frame Connecting cable(power cord) remote controller conditioner. Wall pipe Air-conditioner Note: 09K/12K 8.3 Selection of Installation Location 1. Basic Requirement: 2.
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Service Manual 5. Connect the Pipe of Indoor Unit in Fig.5) 3. Install Wall-mounting Frame Wall Wall Level meter Mark in the middle of it Space Space to the to the Open-end wrench wall wall above above Union nut 150mm 150mm Pipe Pipe joint...
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Service Manual 7. Connect Wire of Indoor Unit 8. Bind up Pipe Screw Pane Fig.11 Wiring cover Indoor and outdoor power cord Indoor unit pipe Fig.14 Cable-cross Liquid hole pipe Band Drain hose Power connection Fig.12 wire Drain hose Connection pipe Band Fig.15 Indoor power cord...
Service Manual 8.6 Installation of Outdoor Unit . m) 1. Fix the Support of Outdoor Unit(Select it according to the actual installation situation) 15~20 30~40 45~55 60~65 expansion screws. 70~75 Note: 5. Connect Outdoor Electric Wire 09K、12K: N(1) Handle yellow- green brown blue...
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Service Manual 8.8 Check after Installation and Test Operation 1. Check after Installation installation. The drain hose can't be fluctuant emit noise. The water outlet can't be placed The drain hose in water can't be fluctuant The water outlet can't be Fig.27 fluctuant water dripping.
Service Manual 9. Maintenance 9.1 Error Code List Unit Name 0.5s) Code 0.5s Display Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator Possible reasons: protection of operation. system OFF 3S Antifreezing protection 3 times fan operates. OFF 3S protection of system system...
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Service Manual Unit Name 0.5s) Code 0.5s Display Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator Nominal cooling mode refrigerant 1. Loosening or bad contact of indoor ambient temp. sensor and Indoor mainboard terminal. ambient 2. Components in mainboard fell sensor is 3.
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Service Manual Unit Name 0.5s) Code 0.5s Display Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator Decrease OFF 3S twice compressor is decreased Limit/ OFF 3S decrease speed is too low compressor is decreased 4 times antifreezing OFF 3S Voltage for 13 times...
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Service Manual Unit Name 0.5s) Code 0.5s Display Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator Compressor intermediate test state protection of compressor operation. of capacitor protection AP1. Decrease resistant resistant) compressor is decreased operation 1. Wiring terminal OVC-COMP OFF 3S protection for compressor...
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Service Manual Unit Name 0.5s) Code 0.5s Display Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator 1. Bad contact of DC motor 2. Bad contact of DC motor Internal motor control end. (fan motor) do 3. Fan motor is stalling. not operate location.
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Service Manual Unit Name 0.5s) Code 0.5s Display Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator detection compressor dropping for of complete detection control panel AP1. operation. 2.Wiring terminal 4V is loosened or abnormal OFF 3S limiting 13 times (power) OFF 3S...
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Service Manual 9.2 Procedure of Troubleshooting Indoor Unit 1. Malfunction of Temperature Sensor F1, F2 Main detection points: Start eliminated eliminated eliminated Installation and Maintenance...
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Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Start Turn the fan blades by hand under power-off condition Adjust the motor and blade Whether the fan blades assembly so that rotor can run can run smoothly? smoothly.
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Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points: Start eliminated eliminated eliminated Installation and Maintenance...
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Service Manual 4. 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?
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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...
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Service Manual Outdoor Unit 09K/12K 1. Capacity charging malfunction (outdoor unit malfunction) (AP1 below means control board of outdoor unit) Main detection points: Turn on the unit and wait 1 minute Use AC voltmeter to measure the voltage on the two ends of electrolytic capacitor (see fig 30) Malfunction of...
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Service Manual 2. IPM protection(H5), desynchronizing malfunction(H7), overcurrent of compressor phase current (P5) (AP1 below means control board of outdoor unit) Main detection points: H5, H7 or P5 is displayed after turning on the unit Measure if the voltage The unit starts Repair power supply to make input is within 180~265V Restart the unit...
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Service Manual 3. High temperature and overload protection (E8)(AP1 below means control board of outdoor unit) Main detection points: E8 is displayed Normal protection, please If the outdoor Unit restarts use it after improving the ambient temperature is higher normally outdoor ambient temperature than 53℃? Improve the radiating environment...
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Service Manual 4. Start-up failure (LC) (AP1 below means control board of outdoor unit) Main detection points: Turn on the unit The stop time is not sufficient and If the stop time of compressor the high and low pressure of system is more than 3min? is not balanced , please start the unit after 3min...
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Service Manual 5. Overload and high discharge temperature malfunction Main detection points: Installation and Maintenance...
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Service Manual H3 or E4 is displayed 30min after power off the unit If the overload protector SAT is well connected? Under ambient temperature, test the resistance of overload protector with ohmmeter; resistance value should be<1000ohm Connect wire If the wiring terminal FA of electronic according to wiring expansion valve is well connected? diagram...
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Service Manual 6. PFC (correction for power factor) malfunction (outdoor unit malfunction) Main detection points: start If power plug is connected Is the malfunction Connect the plug correctly well with the socket eliminated? Check the connection wire between reactor mainboard and situation of connection Reconnect the wire or Power on and...
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Service Manual 7. Communication malfunction (E6) Main detection points: If the unit operates normally before malfunction Check the connection wire according to the wiring diagram. Check built-in wiring If the connection wire of indoor and outdoor is connected well? unit Reconnect the wire or Replace the If the wiring is...
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Service Manual 1. Key detection point Test9 Test3 Test4 Test2 Test1 Test5 Test8 Tset7 Test6 Test10 Test11 Test12 Test NO Test point Corresponding component condition Test 1 Between A and C 160V~265V Test 2 Between B and C 160V~265V Test 3 Between D and E DC 180V~380V Test 4...
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Service Manual 2. Capacity charging malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection point: Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage Replace the control...
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Service Manual 3. IPM protection, desynchronizing malfunction, phase current of compressor is overcurrent (AP1 below is control board of outdoor unit) Main detection point: Installation and Maintenance...
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Service Manual Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring terminal L and N machine has run for restore it to board XT is within a period of time?
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Service Manual 4. Diagnosis for anti-high temperature, overload protection (AP1 below is control board of outdoor unit) Main detection point: Anti-high temperature, overload protection Normal protection, please use If the outdoor ambient temperature is it after improve the outdoor higher than 53 ºC? ambient temperature After the unit de- energized for 20min...
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Service Manual 5. Diagnosis for failure start up malfunction (AP1 below is control board of outdoor unit) Main detection point: Energize the unit and start it If the stop time is not enough and the If the stop time of compressor high and low pressure of system is not is more than 3min? balance , please start it after 3min...
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Service Manual 6. Diagnosis for compressor synchronism (AP1 below is control board of outdoor unit) Main detection point: Synchronism Synchronism after energize the unit occurred during and start it operation Check if the fan Replace fan If the stop time of If the outdoor fan works terminal OFAN is capacitor C1...
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Service Manual 7. Diagnosis for overload and discharge malfunction (AP1 below is control board of outdoor unit) Main detection point: After the unit de-energized for 20min If the overload protector SAT is well connected? Under ambient temperature, test the resistance of overload protector with ohmic Connect wire If the wiring terminal FA of electron well with wiring...
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Service Manual 8. PFC (correction for power factor) malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection point: Start Check the connection wire of reactor (L) of outdoor unit and PFC capacity Replace connection If there is damaged If the malfunction is wire with circuit short circuit...
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Service Manual 9. Communication malfunction (AP1 below is control board of outdoor unit) Main detection point: aged Start If the unit is operation normal before malfunction Check connection wire of indoor and outdoor unit with circuit diagram Check built- in wiring of Connection indoor and correct?
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Service Manual 10. Diagnosis process for outdoor communication circuit Start Test voltage value with Test 10 position in diagram with voltage meter Number jumping Test voltage value with Test 13 position in diagram with voltage meter Number jumping Outdoor unit Test voltage malfunction value with Test...
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Service Manual 11. Malfunction of Overcurrent Protection E5 Main detection points: Start eliminated eliminated eliminated eliminated model eliminated eliminated opened completely) eliminated Installation and Maintenance...
Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up connected well. Wrong wire connection between or poor connection for wiring terminals reliably correctly once improper Replace batteries for remote controller Repair or replace remote controller 2.
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Service Manual 4. ODU Fan Motor Can't Operate Connect wires according to wiring diagram to connection diagram damaged fan capacitor. is bad and ODU compressor generates a lot of 5. Compressor Can't Operate Connect wires according to wiring diagram to connection diagram Capacity of compressor is...
Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Steps Procedure panel clasp screw screw screw Installation and Maintenance...
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Service Manual Steps Procedure display panel front case Installation and Maintenance...
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Service Manual Steps Procedure axile center direction. screws Installation and Maintenance...
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Service Manual Procedure Steps screw clasps Installation and Maintenance...
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Service Manual Steps Procedure scissors. assy. stepping motor. Installation and Maintenance...
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Service Manual screw screw case. press plate of connection pipe screws Installation and Maintenance...
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Service Manual Steps Procedure connection pipe screws Installation and Maintenance...
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Service Manual Steps Procedure swing connection rod screws motor press plate motor Installation and Maintenance...
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Service Manual Steps Procedure screws screws Installation and Maintenance...
Service Manual 11.2 Removal Procedure of Outdoor Unit Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 09K/12K Steps Procedure 1. Remove top cover Remove the screws connecting top cover, left and right side plate, as well as panel, to remove the top top cover cover.
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Service Manual Steps Procedure 4. Remove left side plate Remove the screws fixing left side plate and condenser support boa rd, to remove the left side plate. left side plate 5. Remove cross fan blade Remove the screw nut fixing cross fan blade, remove the gasket and spring cushion, to remove the cross fan blade.
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Service Manual Steps Procedure 7. Remove electric box assy electric box cove r Remove screws fixing electric box assy and mid-isolation board, loosen the bonding tie, pull off the wiring terminal, lift to remove the electric box assy. electric box assy 8.
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Service Manual Steps Procedure flash vaporizer assy 10. Remove flash vaporizer assy Remove the screws connecting mid-isolation board, lift to remove the flash vaporizer assy. 11. Remove four-way valve assy four-way valve assy Welding cut the spot weld of four-way valve assy, compressor air suction/discharging valve and condenser pipe outlet, lift to remove the four-way valve assy.
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Service Manual Steps Procedure 13. Remove compressor compressor Remove the three feet screwnuts fixing compressor, to remove the compressor. 14. Remove big and small valve assy Remove screws connecting condenser assy and chassis, to remove the condenser assy. Remove the screws fixing big and small valve, to small valve remove the valves.
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Service Manual Steps Procedure 1. Remove top panel Twist off the screws used for fixing the handle and v alve cover , pull the handle and v alve cover up ward to remove it. handle valve top panel Remove the 3 screws connecting the top panel with the front panel and the right side plate, and then remove the top panel.
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Service Manual Steps Procedure Remove the 5 screws connecting the panel with the chassis and the motor support, and then remove the panel. Remove the 6 screws connecing the left side plate and right side plate and then remove rear grill rear grill panel 3.
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Service Manual Steps Procedure 4. Remove fan motor axial flow blade Remove the nuts fixing the blade and then remove the axial flow blade. motor support Remove the 4 tappin g screw s fixing the motor; disconnect the leading wire insert of the motor and then remove the moto r.
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Service Manual Steps Procedure 6.Remove soundproof sponge Since the piping ports on the soundproof sponge are torn easily, remove the soundproof sponge carefully soundproof sponge 7. Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet. Isolation sheet 8.
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Service Manual Steps Procedure 9. Remov e compressor Remove the 3 foot nuts fixing the compressor and then remove the compressor. compressor 10.Remove condenser sub-assy capillary sub-assy support Remove the screws connecting the support (condenser) and condenser assy,and then remove the support(condenser). condenser sub-assy Remove the chassis sub-assy and condenser sub-assy.
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Service Manual Steps Procedure condenser sub-assy Dissemble the chassis sub-assy and condenser sub-assy. chassis sub-assy Installation and Maintenance...
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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 display display display (°F) (°F) (°F) (°F) (°F) (°F) 60.8 69/70 69.8 78/79 78.8 62/63 62.6 71/72 71.6 80/81 80.6 64/65...
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Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Improper pipe expanding is the main cause of refrigerant leakage.Please Pipe cutter expand the pipe according to the following steps: Leaning Uneven Burr Pipe Shaper Downwards Union pipe Pipe Hard Note: mold Expander A(mm)
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Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( ) Resistance(kΩ) Temp( ) 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...
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Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor (20K) Temp( ) Resistance(kΩ) Temp( ) 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...