Gree 4LIV09 Service Manual
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Gree 4LIV09 Service Manual

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Change for life
Service Manual
4LIV09 - 24 Models
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree 4LIV09

  • Page 1 Change for life Service Manual 4LIV09 - 24 Models GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    6. Function and Control ..........33 6.1 Remote Controller Introduction ............. 33 6.2 GREE+ App Operation Manual ............... 38 6.3 Ewpe Smart App Operation Manual ............39 6.4 Brief Description of Modes and Functions ........... 40 Part II : Installation and Maintenance ....
  • Page 3 Service Manual 8.6 Installation of Outdoor Unit ..............55 8.7 Vacuum Pumping and Leak Detection ..........57 8.8 Check after Installation and Test Operation ......... 57 9. Maintenance ..............58 9.1 Error Code List ..................58 9.2 Procedure of Troubleshooting ............... 64 9.3 Troubleshooting for Normal Malfunction ..........

  • Page 4: Part I : Technical Information

    1. Summary Service Manual Indoor Unit: 4LIV09HP115V1AH, 4LIV12HP115V1AH 4LIV09HP230V1AH, 4LIV12HP230V1AH 4LIV18HP230V1AH 4LIV24HP230V1AH Outdoor Unit: 4LIV09HP115V1AO, 4LIV12HP115V1AO 4LIV18HP230V1AO 4LIV09HP230V1AO, 4LIV12HP230V1AO 4LIV24HP230V1AO Technical Information...
  • Page 5 Service Manual Remote Controller: YAP1F7F(WiFi) ON/OFF ON/OFF MODE MODE I FEEL I FEEL T-ON T-OFF T-ON T-OFF TEMP TEMP CLOCK CLOCK LIGHT LIGHT WiFi WiFi SLEEP SLEEP Model list: Indoor product Outdoor product Model Product code Indoor model Outdoor model code code GWC09ATCXB-D3DNA1A...

  • Page 6: Specifications

    2. Specifications Service Manual 2.1 Specification Sheet 4LIV09HP230V1AO Model CB574000900 Product Code Rated Voltage 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity Btu/h 9100 Heating Capacity Btu/h 10000 Cooling Power Input Heating Power Input Cooling Current 3.75 Heating Current Rated Input...
  • Page 7 Service Manual 4LIV09HP230V1AO Outdoor Unit Model Product Code of Outdoor Unit CB574W00900 ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO.,LTD Compressor Model QXF-A082zC170 ZE-G;ES RB68GX or Compressor Oil equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 5.20 Compressor Power Input 756.6 Compressor Overload Protector Fan Type Axial-flow Fan Diameter...
  • Page 8 Service Manual 4LIV09HP115V1A Model CB574001600 Product Code Rated Voltage Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity Btu/h 9100 Heating Capacity Btu/h 10000 Cooling Power Input Heating Power Input Cooling Current Heating Current Rated Input 1450 Rated Current 17.5 (Btu/h)/W 11.3...
  • Page 9 Service Manual 4LIV09HP115V1AO Outdoor Unit Model Product Code of Outdoor Unit CB574W01600 ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO.,LTD Compressor Model QXF-N075zC170A Compressor Oil FW68DA Compressor Type Rotary Compressor LRA. Compressor RLA 10.50 Compressor Power Input Compressor Overload Protector Fan Type Axial-flow Fan Diameter Fan Motor Speed...
  • Page 10 Service Manual 4LIV12HP230V1AO Model CB574001500 Product Code Rated Voltage 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity Btu/h 12000 Heating Capacity Btu/h 12000 Cooling Power Input 1380 Heating Power Input 1004 Cooling Current Heating Current Rated Input 1650 Rated Current (Btu/h)/W...
  • Page 11 Service Manual Outdoor Unit Model 4LIV12HP230V1AO Product Code of Outdoor Unit CB574W01500 ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD Compressor Model FTz-AN108ACBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 7.30 Compressor Power Input Compressor Overload Protector Fan Type Axial-flow Fan Diameter...
  • Page 12 Service Manual 4LIV12HP115V1A Model CB574001400 Product Code Rated Voltage Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity Btu/h 12000 Heating Capacity Btu/h 12000 Cooling Power Input 1380 Heating Power Input 1004 Cooling Current Heating Current 10.9 Rated Input 1650 Rated Current 17.9...
  • Page 13 Service Manual 4LIV12HP115V1AO Outdoor Unit Model Product Code of Outdoor Unit CB574W01400 ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO.,LTD Compressor Model FTz-AN108ACBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. Compressor RLA 15.10 Compressor Power Input Compressor Overload Protector Fan Type Axial-flow Fan Diameter...
  • Page 14 Service Manual 4LIV18HP230V1A Model CB574003200 Product Code Rated Voltage 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity Btu/h 17600 Heating Capacity Btu/h 19100 Cooling Power Input 1750 Heating Power Input 1750 Cooling Current 7.95 Heating Current 7.95 Rated Input 2300...
  • Page 15 Service Manual 4LIV18HP230V1AO Outdoor Unit Model Product Code of Outdoor Unit CB574W03200 ZHUHAI LANDA Compressor Manufacturer COMPRESSOR CO. LTD. Compressor Model QXF-A139zH170A Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. 25.0 Compressor RLA 9.35 Compressor Power Input 1295 Compressor Overload Protector Fan Type Axial-flow...
  • Page 16 Service Manual 4LIV24HP230V1A Model CB574002500 Product Code Rated Voltage 208/230 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Cooling Capacity Btu/h 22000 Heating Capacity Btu/h 24000 Cooling Power Input 1896 Heating Power Input 2051 Cooling Current Heating Current Rated Input 2400 Rated Current (Btu/h)/W...
  • Page 17 Service Manual Outdoor Unit Model 4LIV24HP230V1AO Product Code of Outdoor Unit CB444W15900 ZHUHAI LANDA COMPRESSOR Compressor Manufacturer CO. LTD. Compressor Model FTz-SM151AXBD Compressor Oil FW68DA or equivalent Compressor Type Rotary Compressor LRA. 35.00 Compressor RLA 10.39 Compressor Power Input 1330 Compressor Overload Protector HPC 115/95U1 KSD115℃...

  • Page 18: Capacity Variation Ratio According To Temperature

    Service Manual 2.2 Capacity Variation Ratio According to Temperature 09/12K:(208/230V~) Cooling operation ambient temperature range is 0 F~118 Heating operation ambient temperature range is -13 F~75 Heating: Cooling: Heating Cooling Conditions Indoor: DB70°F Outdoor: DB19.94°F/WB19.04°F Conditions Indoor air flow: Super High Indoor:DB80°F/WB66.9°F Pipe length: 24.6 ft Outdoor:DB95°F...

  • Page 19: Cooling And Heating Data Sheet In Rated Frequency

    Service Manual 18K: Cooling operation ambient temperature range is 0 F~118 Heating operation ambient temperature range is -13 F~75 Cooling Heating Conditions Conditions Indoor: DB70°F Indoor:DB80°F/WB66.9°F Outdoor: DB19.94°F/WB19.04°F Outdoor:DB95°F Indoor air flow: Super High Indoor air flow:Super High Pipe length: 24.6 ft Pipe length:24.6ft 17 23 32 41 50 57 67 75 86 95 104 110 118 Outdoor temp.(°F)
  • Page 20 Service Manual Heating: Rated heating condition(°F) Pressure of gas pipe connecting Inlet and outlet pipe temperature of (DB/WB) indoor and outdoor unit heat exchanger Fan speed of Fan speed of Model indoor unit outdoor unit Indoor Outdoor PSIG T1 (°F) T2 (°F) in:167~181.4 in:33.8~37.4...

  • Page 21: Outline Dimension Diagram

    3. Outline Dimension Diagram Service Manual 3.1 Indoor Unit ATA / ATB 2 61/64 2 61/64 ATA / ATB ATA / ATB 6 17/64 7 3/4 Ø2 49/64 Ø2 49/64 5 7/16 6 52/64 Ø2 49/64 Ø2 49/64 5 7/16 6 52/64 Ø2 49/64 Ø2 49/64...

  • Page 22: Outdoor Unit

    Service Manual 3.2 Outdoor Unit GWC09ATCXB-D3DNA1A/O 4LIV09HP230V1AO GWC09ATCXB-A3DNA1A/O 4LIV09HP115V1AO GWC12ATCXB-D3DNA1C/O 4LIV12HP230V1AO 4LIV12HP115V1AO GWC12ATCXB-A3DNA1C/O 11 7/32 26 37/64 12 63/64 28 13/16 17 29/32 Unit:inch 4LIV18HP230V1AO 11 52/64 29 21/64 13 25/32 31 37/64 Unit:inch 20 5/32 Technical Information...
  • Page 23 Service Manual 4LIV24HP230V1AO 13 25/64 35 25/64 15 53/64 37 23/32 Unit:inch 22 13/32 Technical Information...

  • Page 24: Refrigerant System Diagram

    4. Refrigerant System Diagram Service Manual Cooling models 09/12/18/24K Outdoor unit Indoor unit Gas pipe side Valve Outdoor unit Indoor unit Di s charge Gas pipe Heat side exchanger Valve (evaporator) Suction Accumlator Compressor Heat exchanger Di s charge Liquid pipe (condenser) Heat side...
  • Page 25 COOLING Service Manual Cooling and Heating models 09/12/18K Indoor unit Outdoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Capillary Strainer COOLING HEATING Connection pipe specification: Liquid pipe:1/4"...

  • Page 26: Electrical Part

    5. Electrical Part Service Manual 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 27 Service Manual 4LIV09HP230V1AH 4LIV09HP115V1AH 600007066946 Technical Information...
  • Page 28 Service Manual ● Outdoor Unit 4LIV24HP230V1AO WARNING OPTIONAL OPTIONAL BOTTOM OUTTUBE OUTROOM EXHAUST ELECTRONIC BAND TEMP. TEMP. TEMP. EXPANSION HEATER SENSOR SENSOR SENSOR VALVE MAGNETIC RING WH(BU) T-SENSOR (T-SEN) HEAT-B L1(1) AP1: (COM-IN) PRINTED CIRCUIT BOARD COM-INNER RD(BN) L2(3) AC-L OFAN GN(YEGN) OVC-COMP...
  • Page 29 Service Manual 4LIV12HP115V1AO 4LIV09HP115V1AO WARNING OPTIONAL OPTIONAL OPTIONAL Bottom 4-WAY ELECTRONIC OUTTUBE OUTROOM EXHAUST Please don't touch any EXPANSION Band VALVE TEMP. TEMP. TEMP. VALVE Heater terminal when the machine SENSOR SENSOR SENSOR is running ,stopping or has been powered off for less than 30 minutes to prevent the risk of electric shock ! T-SEN...

  • Page 30: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit Name Name Needle stand for temperature Interface of fan sensor Interface of gate-control (only for Interface of neutral wire the model with thisfunction) Wired controller (only for the Fuse mode with this function) Interface of health function(only Jump for the mode with this function)
  • Page 31 Service Manual 12/18/24K Name Name Grounding wire Up&down swing interface 2 DC fan interface Up&down swing interface 1 Live wire 10 Display interface Neutral wire Interface of temperature sensor Communication wire 12 Interface of gate control Interface of cold plasma 13 Wired controller Left&right swing interface 14 Jumper cap...
  • Page 32 Service Manual Outdoor Unit 4LIV09HP115V1AO 4LIV12HP115V1AO Name Name Three-phase terminal of compressor Terminal of communication wire Temperature sensor Neutral wire Electronic expansion valve Live wire Outdoor fan 10 Earthing wire 4-way valve Needle stand of Connect reactor Electric heating of chasssis Technical Information...
  • Page 33 Service Manual 4LIV12HP230V1AO 4LIV09HP230V1AO Name Name Earthing wire terminal Fan motor terminal Live wire terminal Electron expansion valve terminal Neutral wire terminal Compressor overload terminal Communication terminal 10 Temperature sensor terminal 4-way valve terminal E store terminal Electric heating terminal of chassis 12 Compressor terminal Technical Information...
  • Page 34 Service Manual 9 10 Name Name Earthing wire Outdoor fan Live wire DRED(Reserved) Neutral wire 10 Electronic expansion valve Communication wire Compressor Overload 4-way valve 12 Temperature sensor Electric heating of chasssis 13 EE Flash drives DRED-DC(Reserved) 14 Compressor Technical Information...
  • Page 35 Service Manual Name Name Electronic expansion valve Communication wire E disk 4-way valve Program debug interface 10 Electric heating of chasssis Interface monitoring AC fan Earthing wire 12 Temperature sensor Live wire 13 Overload of compressor Neutral wire 14 Compressor terminal Technical Information...

  • Page 36: Function And Control

    6. Function and Control Service Manual 6.1 Remote Controller Introduction Buttons on remote controller for YAP1FB2F (WiFi) Introduction for icons on display screen With backlit display I feel Set fan speed Turbo mode Send signal Auto mode Cool mode Dry mode Fan mode Heat mode Sleep mode...
  • Page 37 Service Manual blowing angle. Having set X-FAN function off: After turning off the unit by pressing ON/OFF button, the complete unit will be off directly. ● After selecting cool mode, air conditioner will operate under cool mode. Press " " or " " button to adjust set temperature. 4.
  • Page 38 Service Manual fixed angle. Press this button to start I FEEL function and " " will be displayed on the remote controller. After this function is set, the ● Hold " " button above 2s to set your required swing angle. remote controller will send the detected ambient temperature When reaching your required angle, release the button.
  • Page 39 Service Manual (3) At this time, 1hour will be automatically increased at the timer ambient temperature on indoor unit's display. The setting on position on the remote control, (that are "2hours" or "3hours" or remote controller is selected circularly as below: "8hours"), the place of setting temperature "88"...
  • Page 40 Service Manual function. When child lock function is on, " " icon is displayed on ● If the current power is lower than the maximum power of remote controller. If you operate the remote controller, the " " mode, then the power will not be limited after entering into such icon will blink three times without sending signal to the unit.

  • Page 41: 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 42: Ewpe Smart App Operation Manual

    Service Manual 6.3 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud Intelligent Home Wi-Fi Cellular/ 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 43: Brief Description Of Modes And Functions

    Service Manual 6.4 Brief Description of Modes and Functions 1. Basic function of system (2) Auto fan (1) Cooling mode Heating mode: During auto heating mode or normal heating ode, auto fan speed will adjust the fan speed automatically according (1) Under this mode, fan and swing operates at setting status.
  • Page 44 Service Manual maintenance valve with a tool. If there is no refrigerant spraying off the unit, the complete unit will be turned off directly. out, close the gas valve immediately and then turn off the unit to (14) 46.4ºF heating function remove the connection pipe.
  • Page 45 Service Manual function. 2. The temperature setting range is: 60.8~86ºF; (3) Air-supplying Mode a. In cooling mode, the indoor ambient temperature participating in computing control = (T – ⊿ T 1. The compressor, outdoor fans and four-way valves are indoor ambient temperature cooling indoor ambient switched off;...
  • Page 46 Service Manual 2. Dehumidifying mode otherwise it should not be started, and should be stopped to treat Same as the cooling mode. according to the frozen-preventing protection: Clear the trouble 3. Air-supplying mode under the mode of power turn-off / heating, and the protection The compressor is switched off.
  • Page 47 Service Manual 4. Reducing frequency at high speed and stop machine: frequency-limited temperature and the compressor has been If [T ]≤T stopped working for 3 minutes, the machine should be allowed to Cooling overload frequency reducing temperature at high speed outer pipe Cooling ], you should adjust the compressor...
  • Page 48 Service Manual immediately (if the trouble can not be resumed, mode transferring 3. Reducing frequency at normal speed and power turn-off: also will not clear it). If [T ] ≤T <[T frequency reducing temperature at normal speed of module Module frequency reducing 7.
  • Page 49 Service Manual resume. During the process of running, if the running time of its times immediately when turning off or delivering wind / cooling / compressor exceeds the [t ] , the dehumidifying mode conversed (the inverted mode dont clear out Clearing Time of Compressor Phase Current Times overcurrent protection is cleared to recount.
  • Page 50 Service Manual (1) When Toutdoor amb.≤≤23ºF , compressor stops operation, (1) When Toutdoor amb.≤≤23ºF , compressor stops operation, while the electric heating of compressor starts operation; while the electric heating of compressor starts operation; (2) When Toutdoor amb.>28.4ºF , the electric heating of (2) When Toutdoor amb.>28.4ºF , the electric heating of compressor stops operation;...

  • Page 51: Part Ii : Installation And Maintenance

    7. Notes for Installation and Maintenance Service Manual Safety Precautions: Important! be installed in the circuit. The air switch should be all-pole parting and the contact parting distance should be more than 3mm. Please read the safety precautions carefully before installa- tion and maintenance.
  • Page 52 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 If compressor starts running when stop valve is open and refrigerant circuit free from air or substances other than the connection pipe is not yet connected, air will be sucked in and specified refrigerant.
  • Page 53 Service Manual Main Tools for Installation and Maintenance Level meter Measuring tape Screw driver Impact drill Drill head Electric drill Electroprobe Universal meter Inner hexagon Electronic Torque wrench Open-end wrench spanner leakage detector Vacuum pump Pressure meter Pipe pliers Pipe pliers Pipe cutter Pipe expander Pipe bender...

  • Page 54: Installation

    8. Installation Service Manual 8.1 Installation Dimension Diagram Space to the wall Min 2 in Space to the wall Min 2 in Wall Mounting Clearances Space to obstruction Min 12 in Drainage pipe Space to obstruction Min 6 in Space to obstruction Min 6 in Space to obstruction Min 24 in...
  • Page 55 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 wall-mounting Install the support of outdoor unit (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...

  • Page 56: Installation Parts-Checking

    Service Manual 8.2 Installation Parts-checking unit. (4) Make sure that the installation follows the requirement of Name installation dimension diagram. Indoor unit (5) Select a location which is out of reach for children and far away from animals or plants.If it is unavoidable, please add fence Outdoor unit for safety purpose.
  • Page 57 Service Manual 3.Drill piping hole Open-end wrench (1) Choose the position of piping hole according to the direction Union nut of outlet pipe. The position of piping hole should be a little lower pipe pipe joint union nut than the wall-mounted frame.(As show in Fig.1) Pipe Torque wrench Indoor pipe...

  • Page 58: Installation Of Outdoor Unit

    Service Manual Indoor and outdoor power cord Screw Panel Indoor unit pipe Liquid Wiring cover pipe Band Fig.11 Drain hose Fig.14 (2) Make the power connection wire go through the cable-cross hole at the back of indoor unit and then pull it out from the front side.
  • Page 59 Service Manual 5. Connect Outdoor Electric Wire (4) For the unit with cooling capacity of 2300W~5000W, 6 (1) Remove the wire clip; connect the power connection wire and expansion screws are needed; for the unit with cooling capacity signal control wire (only for cooling and heating unit) to the wiring of 6000W~8000W, 8 expansion screws are needed;...

  • Page 60: Vacuum Pumping And Leak Detection

    Service Manual 2. Leakage Detection (1) With leakage detector: The drain hose can't raise upwards. Check if there is leakage with leakage detector. (2) With soap water: Wall If leakage detector is not available, please use soap water for leakage detection. Apply soap water at the suspected position and keep the soap water for more than 3min.

  • Page 61: Maintenance

    9. Maintenance Service Manual 9.1 Error Code List Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display During cooling and drying Possible reasons: operation, except indoor fan operates, all loads 1. Refrigerant was superabundant; High pressure stop operation.
  • Page 62 Service Manual Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display 1. Loosening or bad contact of indoor ambient temp. sensor and mainboard terminal. During cooling and drying operation, indoor Indoor ambient 2. Components in mainboard fell down leads unit operates while other loads will stop;...
  • Page 63 Service Manual Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display 1. Measure the voltage of position L and N on wiring board (XT), if the voltage is higher than During cooling and drying operation, compressor 265VAC, turn on the unit after the supply voltage Voltage for DC bus-bar is will stop while indoor fan will operate;...
  • Page 64 Service Manual Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display During cooling and drying operation, compressor Charging will stop while indoor fan will operate; Refer to the part three—charging malfunction malfunction of capacitor analysis of capacitor During heating operation, the complete unit will stop During cooling and drying operation, compressor...
  • Page 65 Service Manual Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display compressor stop operation and Outdoor fan To protect the electronical components when power protection motor will stop 30s latter , 3 minutes latter fan detect high power motor and compressor will restart Indoor unit and outdoor...
  • Page 66 Service Manual Display Method of Indoor Unit Malfunction Name A/C status Possible Causes Dual-8 Code Display 1. Main board of indoor unit is damaged; Malfunction of detecting Loads operate normally, while the unit can’t be 2. Detection board is damaged; normally controlled by APP.

  • Page 67: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting ● Indoor unit: 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 68 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 can't operate? ●...
  • Page 69 Service Manual 3. Malfunction of Protection of Jumper Cap C5 Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ●...
  • Page 70 Service Manual 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn...
  • Page 71 Service Manual 5. Malfunction of detecting plate(WIFI) JF Start check if the connection wire are correctly connected Replace the detecting plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Installation and Maintenance...
  • Page 72 Service Manual 6. Malfunction of Insufficient fluorine protection F0 Troubleshooting for F0 malfunction Heat exchangers are Clean the heat exchangers and remove Malfunction is too dirty or the air inlet/outlet eliminated. blockage of air inlet/outlet. is blocked. Compressor doesn't work Malfunction is Make compressor run normally.
  • Page 73 Service Manual 7. Communication malfunction E6 Main detection points: ● Check if the connection wire and the built-in wiring of indoor and outdoor unit are connected well and without damage; ● If the communication circuit of indoor mainboard is damaged? If the communication circuit of outdoor mainboard (AP1) is damaged? Malfunction diagnosis process: Start If the unit is operation...
  • Page 74 Service Manual 8. Malfunction of Overcurrent Protection E5 Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...
  • Page 75 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 76 Service Manual 2. IPM protection H5 , over-phase current of compressor P5 (AP1 hereinafter refers to the control board of the outdoor unit) Main detection points: (1) compressor COMP terminal (2) power supply voltage (3) compressor (4) charging amount of refrigerant (5) air inlet and air outlet of indoor/outdoor unit Malfunction diagnosis process: Turn on the unit...
  • Page 77 Service Manual 3. High temperature and overload protection (E8)(AP1 below means control board of outdoor unit) Main detection points: (1) outdoor temperature (2) fan (3)air inlet and air outlet of indoor/outdoor unit Malfunction diagnosis process: Overload protection, high temperature prevention protection Normal protection.
  • Page 78 Service Manual 4. Start-up failure LC (following AP1 for outdoor unit control board) Main detection points: (1) compressor wire (2) compressor (3) charging amount of refrigerant Malfunction diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes? Does startup fail?
  • Page 79 Service Manual 5. Desynchronization diagnosis for compressor H7 (AP1 hereinafter refers to the control board of the outdoor unit) Main detection points: (1) system pressure (2) power supply voltage Malfunction diagnosis process: Synchronism after Synchronism energize the unit occurred during and start it operation Check if the fan...
  • Page 80 Service Manual 6. Overload protection of compressor H3, high discharge temperature protection of compressor E4 (AP1 hereinafter refers to the control board of the outdoor unit) Main detection points: (1) electronic expansion valve (2) expansion valve terminal (3) charging amount of refrigerant (4) overload protector Malfunction diagnosis process: After the unit de-energized...
  • Page 81 Service Manual 7 Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: ●Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? ●Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start...
  • Page 82 Service Manual 8. Overload and high discharge temperature malfunction Main detection points: ● If the electronic expansion valve is connected well? Is the electronic expansion valve damaged? ● If the refrigerant is leaked? ● The compressor overload protection terminal is not connected well with the mainboard? ●...
  • Page 83 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...

  • Page 84: Troubleshooting For Normal Malfunction

    Service Manual 9.3 Troubleshooting 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 connection After energization, operation indicator isnt bright wait for power recovery.
  • Page 85 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 diagram make sure all wiring terminals are connected connection firmly Measure the capacity of fan capacitor with an...

  • Page 86: Exploded View And Parts List

    10. Exploded View and Parts List Service Manual 10.1 Indoor Unit 4LIV09HP115V1AH, 4LIV12HP115V1AH, 4LIV09HP230V1AH, 4LIV12HP230V1AH ON/OFF ON/OFF MODE MODE I FEEL I FEEL T-ON T-OFF T-ON T-OFF TEMP TEMP CLOCK CLOCK LIGHT LIGHT WiFi WiFi SLEEP SLEEP The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 87 Service Manual Description Description Front Panel Motor Press Plate Guide Louver Connecting pipe clamp Axile Bush Crank Front Case Stepping Motor Screw Cover Air Louver(right) Filter Sub-Assy Electric Box Assy Air Louver (left) Main Board Helicoid Tongue Supporter(Electric Box) Left Axile Bush Terminal Board Rear Case Sub-Assy Cable Clamp...
  • Page 88 Service Manual 4LIV18HP230V1AH ON/OFF ON/OFF MODE MODE I FEEL I FEEL T-ON T-OFF T-ON T-OFF TEMP TEMP CLOCK CLOCK LIGHT LIGHT WiFi WiFi SLEEP SLEEP The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 89 Service Manual Description Description Front Panel Connecting pipe Clamp Guide Louver Drainage Hose Axile Bush Crank Front Case Stepping Motor Screw Cover Air Louver(right) Filter Sub-Assy Electric Box Assy Air Louver (left) Main Board Helicoid Tongue Supporter(Electric Box) Left Axile Bush Terminal Board Rear Case Sub-Assy Cable Clamp...
  • Page 90 Service Manual 4LIV24HP230V1AH ON/OFF ON/OFF MODE MODE I FEEL I FEEL T-ON T-OFF T-ON T-OFF TEMP TEMP CLOCK CLOCK LIGHT LIGHT WiFi WiFi SLEEP SLEEP The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 91 Service Manual Description Description Rear Case Front Panel Cable Cross Plate Filter Sub-Assy Connecting pipe clamp Screw Cover Fan Motor Electric Box Cover Motor Press Plate Rear Grill Sub-assy Cross Flow Fan Front Case Wall Mounting Frame Cable Clamp 2 Heat Insulating Hose Terminal Board Evaporator Assy...

  • Page 92: Outdoor Unit

    Service Manual 10.2 Outdoor Unit 4LIV09HP115V1AO 4LIV12HP115V1AO 4LIV09HP230V1AO 4LIV12HP230V1AO The component picture is only for reference; please refer to the actual product. Description Description Description Coping Valve Support Axial Flow Fan Rear Grill 4-way valve assy Left Side Plate Condenser Assy Compressor and Fittings Electric Box Assy Capillary Sub-Assy...
  • Page 93 Service Manual INTENTIONALLY BLANK Installation and Maintenance...
  • Page 94 Service Manual 4LIV18HP230V1AO The component is only for rererence;please refer to the actual product Description Description Description Top Cover Assy Valve Cover Motor Support Condenser Assy Cut-off valve 1/4(N) Left Side Plate 4-Way Valve Cut-off valve 1/2(N) Clapboard Assy Tempreture Sensor clamp Valve Support Electric Box Assy 4-Way Valve Assy...
  • Page 95 Service Manual INTENTIONALLY BLANK Installation and Maintenance...
  • Page 96 Service Manual INTENTIONALLY BLANK Installation and Maintenance...
  • Page 97 Service Manual 4LIV24HP230V1AO 9 10 The component is only for rererence;please refer to the actual product Description Description Front Grill 4-Way Valve Assy Front Panel Condenser Assy Axial Flow Fan Clapboard Assy Chassis Sub-assy Motor Support Compressor and Fittings Motor Electronic Expansion Valve Top Cover Assy Right Side Plate...

  • Page 98: Removal Procedure

    11. Removal Procedure Service Manual 11.1 Removal Procedure of Indoor Unit Caution: discharge the refrigerant completely before removal. Step Procedure Before disassemble Turn off the air conditioner and disconnect the power before disassemble the air conditioner. 1. Remove filter Filter Hold the handle on the filter, pull it upwards to let the clasp at the top part of the filter loose, push it forwards and then the filter can be pulled out.
  • Page 99 Service Manual Step Procedure 3. Remove panel Panel rotation Display Panel Screw Open the front panel; separate the panel rotation shaft from the groove fixing the front panel and then removes the front panel. Note: The display of some models is fixed on the panel; unscrew the screws fixing the display on the panel before removing the panel.
  • Page 100 Service Manual Step Procedure 6. Remove electric box assy Screw Remove the screw fixing electric box assy. Indoor tube Grounding temperature screw sensor Electric box assy Main board ① Cut off the wire binder and pull out the indoor tube temperature sensor.
  • Page 101 Service Manual Step Procedure 7. Remove evaporator assy Remove 2 screws fixing evaporator assy. Screws At the back of the unit, Loosen the clasp of the Connection pipe clamp connection pipe clamp and then remove the connection pipe clamp. First remove 3 screws fixing evaporator assy and motor press plate.And then remove the left side of evaporator from the groove of bottom shell.
  • Page 102 Service Manual Step Procedure 8. Remove motor and cross flow fan Remove 3 screws fixing motor clamp and then remove the motor clamp. Screws Motor fixed clip Cross flow fan Screws Motor Remove 2 screws fixing motor fixed clip and then remove motor fixed clip, cross flow fan and motor.

  • Page 103: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit 4LIV24HP230V1AO Caution: discharge the refrigerant NOTE:Take heat pump for example. completely before removal. Step Procedure 1. Before disassembly 2. Remove Cover of Pass Wire and valve cover Cover of Pass Wire Remove the screws fixing Cover of Pass Wire, valve cover and then remove them.
  • Page 104 Service Manual Step Procedure 4. Remove front panel assy Remove connection screws connecting the front panel assy, and then remove the front panel assy. Front panel 5. Remove right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the terminal board, rescrew the screws fixing the right side plate, and remove the right side plate assy.
  • Page 105 Service Manual Step Procedure 7. Remove motor and motor support Motor support Remove the screws fixing the motor and then remove the motor. Remove the screws fixing the motor support and lift the motor support to remove it. Motor 8. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard...
  • Page 106 Service Manual Step Procedure 10. Remove gas valve, liquid valve and valve suppprt Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid Liquid valve valve, remove them.
  • Page 107 Service Manual Caution: discharge the refrigerant 09/12K completely before removal. NOTE:Take heat pump for example. Step Procedure 1. Before disassembly 2. Remove Cover of Pass Wire and valve cover Cover of Pass Wire Remove the screws fixing Cover of Pass Wire, valve cover and then remove them.
  • Page 108 Service Manual Step Procedure 4. Remove front panel assy and Rear Grill Remove connection screws connecting the front panel assy and Rear Grill, and then remove the front panel Rear Grill assy and Rear Grill. Front panel assy 5. Remove right side plate assy and left side plate Right side plate assy Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the...
  • Page 109 Service Manual Step Procedure 7. Remove motor support and motor Motor support Motor Remove the screws fixing the motor support and lift the motor support to remove it. Remove the screws fixing the motor and then remove the motor. 8. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard...
  • Page 110 Service Manual Step Procedure 10. Remove gas valve and liquid valve Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the welding joint connecting the gas valve and the liquid valve, remove them. Note: Liquid valve Discharge the refrigerant completely befor unsoldering;...
  • Page 111 Service Manual Caution: discharge the refrigerant completely before removal. NOTE:Take heat pump for example. Step Procedure 1. Before disassembly 2. Remove Cover of Pass Wire and valve cover Cover of Pass Wire Remove the screws fixing Cover of Pass Wire, valve cover and then remove them.
  • Page 112 Service Manual Step Procedure 4. Remove front panel assy and Rear Grill Remove connection screws connecting the front panel assy and Rear Grill, and then remove the front panel assy and Rear Grill. Rear Grill Front panel 5. Remove right side plate assy and left side plate Rescrew the ground screws, remove the ground wires, loosen the screws fixing terminal board, remove the terminal board, rescrew the screws fixing the right side...
  • Page 113 Service Manual Step Procedure 7. Remove electric box assy Electric box assy Remove the terminals, lift up and rotate the electrical box assy to the right so that the snaps on the clapboard are removed and the electrical box assy are removed. 8.
  • Page 114 Service Manual Step Procedure 10. Remove gas valve, liquid valve and valve suppprt Remove the valve support bolck, remove the screws fixing the gas valve and the liquid valve,unsolder the Liquid valve welding joint connecting the gas valve and the liquid Valve supprt valve, remove them.
  • Page 115 Service Manual Step Procedure Compressor 13. Remove compressor Remove the 3 foot nuts on the compressor and then remove the compressor. Installation and Maintenance...

  • Page 116: Appendix

    Appendix: Service Manual Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius Fahrenheit display Fahrenheit Celsius temperature（℉） temperature（℉） temperature（℉） （℉） （℃） （℉） （℃）...

  • Page 117: Appendix 3: Pipe Expanding Method

    Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Improper pipe expanding is the main cause of refrigerant leakage.Please expand Pipe cutter the pipe according to the following steps: A:Cut the pip Leaning Uneven Burr ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...

  • Page 118: 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( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.10 49.02 18.75 7.97 128.60 44.31 17.14 7.35 115.00 40.09 15.68 6.79 102.90 36.32...
  • Page 119 JF00305164 GREE_4LIV09-24_SERVICE_01092023 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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