Gree LIVV09HP230V1A Series Service & Parts Manual
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Gree LIVV09HP230V1A Series Service & Parts Manual

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Service & Parts Manual
LIVV09HP230V1A
LIVV12HP230V1A
LIVV18HP230V1A
LIVV24HP230V1A
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summary of Contents for Gree LIVV09HP230V1A Series

  • Page 1 Change for life Service & Parts Manual LIVV09HP230V1A LIVV12HP230V1A LIVV18HP230V1A LIVV24HP230V1A GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...
  • Page 2 6. Function and Control ..................22 6.1 Remote Controller Introduction of YAN1F6F(WiFi) ........22 6.2 Remote Controller Introduction of YAN1F10F(WiFi) ........27 6.3 GREE+ App Operation Manual ................32 6.4 Ewpe Smart App Operation Manual ..............33 6.5 Brief Description of Modes and Functions ........... 34 Part Ⅱ: Installation and Maintenance...
  • Page 3 Service Manual 8.4 Requirements for Electric Connection ............49 8.5 Installation of Indoor Unit ..................49 8.6 Installation of Outdoor Unit ................52 8.7 Vacuum Pumping and Leak Detection ............53 8.8 Check after Installation and Test Operation ..........53 9. Maintenance .......................54 9.1 Error Code List ......................54 9.2 Troubleshooting for Main Malfunction ............
  • Page 4 Service Manual Part Ⅰ : Technical Information 1. Summary Indoor Unit LIVV09HP230V1AH LIVV12HP230V1AH LIVV18HP230V1AH LIVV24HP230V1AH Outdoor Units LIVV09HP230V1AO LIVV12HP230V1AO LIVV18HP230V1AO LIVV24HP230V1AO...
  • Page 5 Service Manual Remote Controller YAN1F10F(WiFi) Model List: Indoor product Outdoor Remote Model Product code Indoor model Outdoor model code product code Controller YAN1F10F (WiFi) 1 LIVV09HP230V1A CB432021800 LIVV09HP230V1AH CB432N21800 LIVV09HP230V1AO CB432W21800 2 LIVV12HP230V1A CB432022600 LIVV12HP230V1AH CB432N22600 LIVV12HP230V1AO CB432W22600 YAN1F10F 3 LIVV18HP230V1A CB432022400 LIVV18HP230V1AH CB432N22400 LIVV18HP230V1AO CB432W22400...
  • Page 6 Service Manual 2.1 Specification Sheets LIVV09HP230V1A Model Product Code CB432021800 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 9100(2457~9600) Heating Capacity(Min~Max) Btu/h 9500 (2457~11500) Cooling Power Input(Min~Max) 889(185~1100) Heating Power Input(Min~Max) 774(170~1350) Cooling Power Current Heating Power Current Rated Input 1350...
  • Page 7 Service Manual Specifications LIVV12HP230V1A Model Product Code CB432022600 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity Btu/h 12000 Heating Capacity Btu/h 13000 Cooling Power Input 1297 Heating Power Input 1172 Cooling Power Current Heating Power Current Rated Input 1500 Rated Current...
  • Page 8 Service Manual Model LIVV18HP230V1A Product Code CB432022400 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 17400(4094~20000) Heating Capacity(Min~Max) Btu/h 18000(4100~21000) Cooling Power Input(Min~Max) 2040(200~2300) Heating Power Input(Min~Max) 1758(300~2400) Cooling Power Current Heating Power Current Rated Input 2400 Rated Current...
  • Page 9 Service Manual Model LIVV24HP230V1A Product Code CB432021500 Rated Voltage 208/230 Power Supply Rated Frequency Phases Power Supply Mode Outdoor Cooling Capacity(Min~Max) Btu/h 22000 Heating Capacity(Min~Max) Btu/h 24000 Cooling Power Input(Min~Max) 1950 Heating Power Input(Min~Max) 2070 Cooling Power Current 8.50 Heating Power Current 8.50 Rated Input 2900...
  • Page 10 Service Manual 2.2 Operation Characteristic Curve Heating Cooling 220V 220V • Conditions Indoor : DB80˚F/WB66.9˚F Outdoor : DB95˚F Indoor air flow : High Pipe lengt : 24.6ft 230V 230V 240V • Conditions Indoor : DB70˚F/WB60˚F 240V Outdoor : DB19.94˚F/WB19.04˚F Indoor air flow : High Pipe lengt : 24.6ft Compressor frequency(Hz) Compressor frequency(Hz)
  • Page 11 Service Manual Heating operation ambient temperature range is -13°F~75°F Conditions Conditions Indoor:DB80°F/WB66.9°F Indoor:DB80°F/WB66.9°F Outdoor:DB95°F Outdoor:DB95°F Outdoor temp.(°C) Indoor air flow:Super High Indoor air flow:Super High Pipe length:24.6ft Pipe length:24.6ft 104 105.8 107.6 109.4 89.6 91.4 93.2 96.8 98.6 100.4 102.2 75.2 Outdoor temp.(°C) Outdoor temp.(°F)
  • Page 12 Service Manual 2.5 Noise Curve LIVV12HP230V1A Indoor side noise when blowing Outdoor side noise when blowing 07/09&12K Heating 09&12K Cooling Super High Middle High Indoor fan motor rotating speed Compressor frequency(Hz) LIVV12HP230V1A 07/09K LIVV24HP230V1A LIVV18HP230V1A Indoor side noise Outdoor side noise Heating Cooling Compressor frequency(Hz)
  • Page 13 Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit LIVV09HP230V1AH LIVV12HP230V1AH 6 5/8 18 3/16 6 5/16 4 11/16 21 5/16 7 1/4 Φ2 3/16 Φ2 3/16 Φ2 3/16 Φ2 3/16 2 1/8 1 3/8 2 1/8 1 3/8 3 1/2 3 5/16 LIVV18HP230V1AH LIVV24HP230V1AH...
  • Page 14 Service Manual 3.2 Outdoor Unit LIVV12HP230V1AO LIVV09HP230V1AO 10 1/8 30 5/8 12 5/8 Unit:inch LIVV18HP230V1AO LIVV24HP230V1AO 12 1/4 33 1/4 35 3/4 14 11/16 Unit: inch...
  • Page 15 Service Manual 4. Refrigerant System Diagram All model except: LIVV12HP230V1A LIVV09HP230V1A Cooling model Outdoor unit Indoor unit Gas pipe side Valve Di s charge Heat exchanger (evaporator) Suction Accumlator Compressor Heat exchanger Liquid pipe (condenser) side Valve Electronic Capillary Strainer expansion valve Heating model...
  • Page 16 Service Manual LIVV12HP230V1A LIVV09HP230V1A Cooling and heating models Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Accumlator Suction exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Strainer Capillary Strainer COOLING HEATING Connection pipe specification: Liquid pipe:1/4"...
  • Page 17 Service Manual 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●...
  • Page 18 Service Manual LIVV12HP230V1AO 60000706165503...
  • Page 19 Service Manual LIVV24HP230V1AO 600007062554 LIVV24HP230V1AO 600007062825...
  • Page 20 Service Manual LIVV18HP230V1AO 60000706255402 The above data is subject to change without notice. Please refer to the nameplate of the unit.
  • Page 21 Service Manual 5.2 PCB Printed Diagram LIVV09HP230V1AH LIVV12HP230V1AH LIVV18HP230V1AH LIVV24HP230V1AH Top view Name Interface of health function neutral wire Neutral wire terminal Motor terminal Live wire terminal Auto button Up&down swing terminal Interface of Motor feedback Left&right swing terminal Terminal of temperature sensor WIFI terminal 11 Wired controller terminal 12 Interface of display board...
  • Page 22 Service Manual LIVV09HP230V1AO Top view Name 1 Compressor three phase input interface 2 Interface of fan 3 Interface of electric heating for chassis 4 4-way valve interface Interface of earthing wire Interface of live wire 7 Neutral wire Communication interface Needle stand of electronic expansion valve Compressor overload protection...
  • Page 23 Service Manual LIVV12HP230V1AO Top view Name 1 Interface of compressor wire 2 Reactor wiring terminal 2 3 Reactor wiring terminal 1 4 Terminal of chassis electric heater 4-way valve terminal Grounding wire 7 Neutral wire 8 Communication wire 9 Live wire 10 Terminal of electronic expansion valve 11 Interface of temperature sensor 12 Overload interface of compressor...
  • Page 24 Service Manual LIVV18HP230V1AO LIVV24HP230V1AO Top view Name Compressor three phase input interface Compressor overload protection interface Interface of temperature sensor Interface of electronic expansion valve 5 Interface of fan 6 4-way valve interface Interface of electric heating for compressor 8 Interface of live wire 9 Interface of netural wire 10 Interface of earthing wire 11 Interface of netural wire...
  • Page 25 Service Manual 6. Function and Control 6.1 Remote Controller Introduction of YAN1F6F(WiFi) used on some models can be used in lieu of YAN1F10F ON/OFF button MODE button FAN button SWING button TURBO button ▲/ button SLEEP button TEMP button WIFI button LIGHT button CLOCK button TIMER ON / TIMER OFF...
  • Page 26 Service Manual 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Press this button to select your required operation mode. AUTO COOL HEAT When selecting auto mode, air conditioner will operate automatically according to ex-factory setting. Set temperature can’t be adjusted and will not be displayed as well.
  • Page 27 Service Manual 6. ▲/ button Press "▲" or " " button once increase or decrease set temperature 1 (1°F) . Holding "▲" or " " button, 2s later, set temperature on remote controller will change quickly. On releasing button after setting is finished, temperature indica- tor on indoor unit will change accordingly.
  • Page 28 Service Manual Note: Under on and off status, you can set TIMER OFF or TIMER ON simultaneously. Before setting TIMER ON or TIMER OFF, please adjust the clock time. After starting up TIMER ON or TIMER OFF, set the constant circulating valid. After that, air conditioner will be turned on or turned off according to setting time.
  • Page 29 Service Manual Replacement of batteries in remote controller signal sender battery 1. Press the back side of remote controller marked with " out the cover of battery box along the arrow direction. 2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar and "-" polar reinstall are correct.
  • Page 30 Service Manual 6.2 Remote Controller Introduction of YAN1F10F(WiFi) used on some models can be used in lieu of YAN1F6F ON/OFF button MODE button FAN button SWING button TURBO button ▲/ button SLEEP button TEMP button WiFi button LIGHT button CLOCK button TIMER ON / TIMER OFF button Set fan speed...
  • Page 31 Service Manual ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. MODE button Press this button to select your required operation mode. AUTO COOL HEAT When selecting auto mode, air conditioner will operate automatically according to ex-factory setting. Under auto mode, temperature can be displayed.
  • Page 32 Service Manual 6. ▲/ button Press "▲" or " " button once increase or decrease set temperature 1℃(1°F). Holding "▲" or " " button, 2s later, set temperature on remote controller will change quickly. On releasing button after setting is finished, temperature indicator on indoor unit will change accordingly. When setting TIMER ON, TIMER OFF or CLOCK, press "▲"...
  • Page 33 Service Manual Note: Under on and off status, you can set TIMER OFF or TIMER ON simultaneously. Before setting TIMER ON or TIMER OFF, please adjust the clock time. After starting up TIMER ON or TIMER OFF, set the constant circulating valid. After that, air conditioner will be turned on or turned off according to setting time.
  • Page 34 Service Manual Operation guide After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT. Press "▲" or " " button to set your required temperature. (Temperature cant be adjusted under auto mode). Press "FAN"...
  • Page 35 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 36 Service Manual 6.4 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Cellular/ Home Wi-Fi home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for User's smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version...
  • Page 37 Service Manual 6.5 Brief Description of Modes and Functions Indoor Unit ● 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 60.8~86.0 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status.
  • Page 38 Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Compulsory defrosting function (1) Start up compulsory defrosting function Under ON status, set heating mode with remote controller and adjust the temperature to 60.8 F.
  • Page 39 Service Manual generated by the plastic parts due to thermal expansion and contraction is normal. During the cleaning and disinfection process, the room temperature may increase slightly, please keep the room well ventilated. Tips: The automatic cleaning function can only be started under normal environmental conditions. If the indoor environment is easy to dust, it is recommended to clean it once a month.
  • Page 40 Service Manual Outdoor Units 1. Input Parameter Compensation and Calibration (1) Check the ambient temperature compensation function Indoor ambient temperature compensation function. a. In cooling mode, the indoor ambient temperature participating in computing control = (T – ⊿ T indoor ambient temperature cooling indoor ambient temperature compensation b.
  • Page 41 Service Manual 3. Special Functions Defrosting Control ① Conditions for starting defrosting After the time for defrosting is judged to be satisfied, if the temperature for defrosting is satisfied after detections for continuous 3minutes, the defrosting operation will start. ② Conditions of finishing defrosting The defrosting operation can exit when any of the conditions below is satisfied: ③...
  • Page 42 Service Manual 1. Starting estimation: After the compressor stopped working for 180s, if T > [T (the temperature of hysteresis is 35.6ºF )], inner pipe frozen-preventing frequency-limited temperature the machine is only allowed to start for operating, otherwise it should not be started, and should be stopped to treat according to the frozen- preventing protection: Clear the trouble under the mode of power turn-off / heating, and the protection times are not counted.
  • Page 43 Service Manual 1. Frequency limited If [T ]≤T <[T ] , you should limit the frequency raising of heating overload frequency-limited temperature inner pipe heating overload frequency reducing temperature at normal speed compressor. 2. Reducing frequency at normal speed and stopping machine: If T[ ]≤T <[T...
  • Page 44 Service Manual (6)Voltage sag protection After start the compressor, if the time of DC link Voltage sag [U ] is measured to be less than t Voltage sag protection time , Sagging protection voltage the machine should be stop at once, hand on the voltage sag trouble, reboot automatically after 30 minutes. (7)Communication fault When you have not received any correct signal from the inner machine in three minutes, the machine will stop for communication fault.
  • Page 45 Service Manual (12) Starting-up Failure Protection for Compressor Stop the compressor after its starting-up fails, restart it after 20s if the fault doesnt shows, and if they are all failing for the successive start 3 times, it shall be reported as Starting-up Failure, and then restart up it after 3 min. When it still not be able to operate through carry out the above process for 5 times, it is available if press ON/OFF.
  • Page 46 Service Manual 6. Electric Heating Function of Chassis (1) When Toutdoor amb.≤32ºF , the electric heating of chassis will operate; (2) When Toutdoor amb.>35.6ºF , the electric heating of chassis will stop operation; (3)When 32ºF <Toutdoor amb.≤35.6ºF, the electric heating of chassis will keep original status. 7.
  • Page 47 Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire Important! from the manufacture or distributor. Prohibit prolong the wire by yourself.
  • Page 48 Service Manual Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. Warnings 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant.
  • Page 49 Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8.
  • Page 50 Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 6 inches At least 6 inches Drainage pipe...
  • Page 51 Service Manual 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 52 Service Manual 8.4 Requirements for Electric Connection 8.2 Installation Parts-checking 1. Safety Precaution (1) Must follow the electric safety regulations when installing Name Name the unit. Indoor unit Sealing gum (2) According to the local safety regulations, use qualified Outdoor unit Wrapping tape power supply circuit and air switch.
  • Page 53 Service Manual in the holes. 5. Connect the Pipe of Indoor Unit (3) Fix the wall-mounting frame on the wall with tapping screws (1) Aim the pipe joint at the corresponding bellmouth.(As show (ST4.2X25TA) and then check if the frame is firmly installed by in Fig.5) pulling the frame.
  • Page 54 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 for installation when binding them.
  • Page 55 Service Manual 8.6 Installation of Outdoor Unit Refer to the following table for wrench moment of force: Hex nut diameter(inch) Tightening torque(ft·Ibf) 1. Fix the Support of Outdoor Unit(Select it according to Φ1/4 11.10~14.75 the actual installation situation) Φ3/8 22.12~29.50 (1) Select installation location according to the house structure.
  • Page 56 Service Manual Note: 8.8 Check after Installation and Test (1) The through-wall height of drain hose shouldnt be higher Operation than the outlet pipe hole of indoor unit.(As show in Fig.25) (2) Slant the drain hose slightly downwards. The drain hose 1.
  • Page 57 Service Manual 9. Maintenance 9.1 Error Code List Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator During cooling and drying Possible reasons: High operation, except indoor...
  • Page 58 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Refrigerant Refrigerant recovery. recovery The Serviceman operates it Nominal cooling mode mode for maintenance.
  • Page 59 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Decrease Overload or temperature is too All loads operate normally, frequency high;...
  • Page 60 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Compressor intermediate Showing during middle cooling or frequence in middle heating test test state During cooling and drying...
  • Page 61 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator During cooling and drying operation, compressor will stop Refer to the malfunction analysis System is while indoor fan will operate;...
  • Page 62 Service Manual Display Method of Indoor Unit Indicator Display (during Malfunction blinking, ON 0.5s and OFF Dual-8 A/C status Possible Causes Name 0.5s) Code Display Operation Cool Heating Indicator Indicator Indicator Malfunction of During cooling and drying phase current operation, compressor will stop detection while indoor fan will operate;...
  • Page 63 Service Manual 1. Outdoor ambient temperature exceeds the operation range of unit (eg: less Cool: compressor and than-20oC or more than 60oC outdoor fan stops operation, for cooling; more than 30oC for Undefined while indoor fan operates; heating); outdoor unit Heat: compressor, outdoor 2.
  • Page 64 Service Manual 9.2 Troubleshooting for Main Malfunction ●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 65 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor cant operate? ●...
  • Page 66 Service Manual 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. Turn unit on to check whether the malfunction is eliminated.
  • Page 67 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 68 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 69 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...
  • Page 70 Service Manual 6. Malfunction of Insufficient fluorine protection F0 （4） 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 71 Service Manual 7. Communication malfunction E6 Start Cut off power supply. Check if connection line of IDU and ODU and the wire inside electric box are correctly connected. Connect the line Correct connection? according to Malfunction eliminated? wiring diagram. Main board matches Match correctly with display board? Main board of Malfunction eliminated?
  • Page 72 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 73 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 74 Service Manual (2) IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting: Turn on the unit after energization...
  • Page 75 Service Manual (3) High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is outdoor ambient temperature in normal range? ●Are the outdoor and indoor fans operating normally? ●Is the heat dissipation environment inside and outside the unit good? Fault diagnosis process: Overheat and high temperature protection...
  • Page 76 Service Manual (4) Start-up failure (following AP1 for outdoor unit control board) Mainly detect: ●Whether the compressor wiring is connected correct? ●Is compressor broken? ●Is time for compressor stopping enough? Fault diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes?
  • Page 77 Service Manual (5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is the system pressure too high? ●Is the input voltage too low? Fault diagnosis process: Out of step occurs in Out of step occurs once the operation unit is powered on.
  • Page 78 Service Manual (6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: ●Is the PMV connected well or not? Is PMV damaged? ●Is refrigerant leaked? Fault diagnosis process: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the...
  • Page 79 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 80 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 81 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 82 Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Cant be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery.
  • Page 83 Service Manual 4. ODU Fan Motor Cant Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...
  • Page 84 Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit LIVV09HP230V1AH LIVV12HP230V1AH The component picture is only for reference; please refer to the actual product.
  • Page 85 Parts Manual Part Code Description LIVV09HP230V1AH LIVV12HP23V1AH Product Code CB432N21800 CB432N22600 Front Panel 20000300019S 20000300018S Filter Sub-Assy 1112221905 1112246803 Display Board 30565260 30565260 Front Case Assy 00000200040 00000200045 Guide Louver 1051276301 1051293101 Helicoid Tongue 26112508 26112436 Left Axile Bush 10512037 10512037 Rear Case assy 00000100066...
  • Page 86 Service Manual LIVV18HP230V1AH The component picture is only for reference; please refer to the actual product.
  • Page 87 Service Manual Part Code Description LIVV18HP230V1AH Product Code CB432N22400 Front Panel 20000300023S Filter Sub-Assy 1112208906 Decoration board(left and right) 20192662 Front Case 2002248401 Guide Louver 1051276501 Axile Bush 10542036 Air Louver(Manual) 10512732 Helicoid Tongue 26112512 Left Axile Bush 10512037 Display Board 30565260 Rear Case assy 22202571...
  • Page 88 Service Manual LIVV24HP230V1AH The component picture is only for reference; please refer to the actual product.
  • Page 89 Service Manual Part Code Description LIVV24HP230V1AH Product Code CB432N21500 Front Panel 20000300016S Filter Sub-Assy 11012007 Screw Cover 2425245301 Front Case 2002248603 Air Louver(Manual) 10512737 Helicoid Tongue 26112513 Left Axile Bush 10512037 Display Board 30565260 Rear Case assy 22202570 Rubber Plug (Water Tray) 76712012 Ring of Bearing 26152025...
  • Page 90 Service Manual Exploded View and Parts List Outdoor Unit LIVV09HP230V1AO LIVV12HP230V1AO The component picture is only for reference; please refer to the actual product.
  • Page 91 Service Manual Part Code Description LIVV09HP230V1AO LIVV12HP230V1AO Product Code CB432W21800 CB432W22600 Front Grill 01473012 01473012 Front Panel Assy 0153304804 0153304804 Axial Flow Fan 10333004 10333004 Chassis Sub-assy 01700006009601P 01700006009601P Clapboard Sub-Assy 0123338502 0123338502 Drainage Connecter 06123401 06123401 Compressor Gasket 009012000027 009012000027 4-Way Valve Assy 030152060087...
  • Page 92 Service Manual LIVV18HP230V1AO LIVV24HP230V1AO The component picture is only for reference; please refer to the actual product.
  • Page 93 Service Manual Part Code Description LIVV24HP230V1AO LIVV18HP230V1AO Product Code CB432W21500 CB432W22400 Axial Flow Fan 10333023 10333023 Fan Motor 1501506406 1501506406 Electric Box Assy 100002067147 100002068263 Electric Box 20113027 2011302701 Radiator 49013060 49013060 Main Board 300027060877 300027061023 Electric Box Cover 20123028 2012302801 Terminal Board 42200006001401...
  • Page 94 Service Manual 11. Removal Procedure Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit 07/09/12K Step Procedure 1. Remove filter assembly Front panel Open the front panel.
  • Page 95 Service Manual Step Procedure 4. Remove detecting plate and electric box cover 2 Screw Electric box cover2 Remove the screw fixing detecting plate and then remove the detecting plate. Detecting plate Note:The position of detection board(WIFI) Screw may be different for -different models. for 09K Detecting plate Remove the screw fixing electric box...
  • Page 96 Service Manual Step Procedure 7. Remove electric box assy Screw Loosen the connection clasps between shield cover of electric box sub-assy and Clasps electric box, and then remove the shield cover of electric box sub-assy. Remove the screw fixing electric box assy . Electric box Shield cover of electric box sub-assy...
  • Page 97 Service Manual Step Procedure Instruction: Some wiring terminal of this product is with lock catch and other devices. circlip The pulling method is as below: holder 1.Remove the soft sheath for some terminals at first, hold the circlip and then pull out the terminals.
  • Page 98 Service Manual Step Procedure 9. Remove motor and cross flow blade Remove the screws fixing motor clamp Screws and then remove the motor clamp. Motor clamp Cross flow Remove the screws at the connection Screw Motor place of cross flow blade and motor; lift Holder the motor and cross flow blade upwards sub-assy...
  • Page 99 Service Manual 18/24K 1. Remove filter as s y Front panel Open the front panel. Push the left and right filters to make them break away from the groove on the front case. Then remove the left Front and right filters one by one. case Left filter Groove...
  • Page 100 Service Manual Electric box cover 2 4. Remove electric box cover 2 and detecting plate(WIFI) Screw Remove the screws on the electric box cover 2 and detecting plate(WIFI), then remove the electric box cover 2 and Screws detecting plate(WIFI). Detecting plate (WIFI) Loosen the connection clasps between front case sub-assy and bottom case.
  • Page 101 Service Manual Indoor tube temperature s ensor Cut off the wire binder and pull out the indoor tube temperature sensor. Screw off one grounding screw. Main Remove the wiring terminals of motor and board stepping motor. Remove the electric box assy. G rounding Screw off the screws that are locking each s c rew...
  • Page 102 Service Manual G roove R ear case ass y First remove the left side of evaporator from the groove on the rear case assy. Then remove the right side from the clasp on the C lasp rear case assy.
  • Page 103 Service Manual...
  • Page 104 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. LIVV12HP230V1AO LIVV09HP230V1AO Take heat pump for example. Steps Procedure 1.Remove cable cross plate 2 and valve cover Before disassamble.
  • Page 105 Service Manual 3.Remove grille and front panel Remove connection screws between the front grille and the front panel. Then remove the front grille. Remove connection screws connecting the front panel with the chassis and the motor support, and then remove the front panel. Grille Panel 4.Remove axial flow blade...
  • Page 106 Service Manual 6.Remove electric box assy Electric box assy Remove the 2 screws fixing the cover of elec- tric box. Lift to remove the cover. Loosen the wire and disconnect the terminal. Lift to re- move the electric box assy. 7.Remove 4-way valve assy Unscrew the fastening nut of the 4-way Valve 4-way Valve Assy...
  • Page 107 Service Manual 9.Remove motor and motor support Motor support Remove the 4 tapping screws fixing the motor. Pull out the lead-out wire and remove the Motor motor. Remove the 2 tapping screws fixing the motor support. Lift motor support to re- move it.
  • Page 108 Service Manual 11.Remove Compressor Remove the 2 screws fixing the gas valve. Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve. (Note: it is necessary to warp the gas valve when unsoldering the welding spot.) Remove the 2 Liquid valve screws fixing liquid valve.
  • Page 109 Service Manual LIVV24HP230V1AO LIVV18HP230V1AO Note: Take heat pump for example.
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  • Page 115 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 116 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 117 Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor(15K) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) -2.2 138.1 18.75 138.2 3.848 208.4 1.071 -0.4 128.6 69.8 17.93 3.711 210.2 1.039 121.6...
  • Page 118 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) -2.2 181.4 25.01 138.2 5.13 208.4 1.427 -0.4 171.4 69.8 23.9 4.948 210.2 1.386 162.1 71.6 22.85 141.8 4.773 1.346 153.3 73.4...
  • Page 119 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) Temp.( Resistance(kΩ) -20.2 853.5 120.2 18.34 190.4 4.754 -18.4 799.8 51.8 93.42 17.65 192.2 4.609 -16.6 53.6 89.07 123.8 16.99 4.469 -14.8 703.8 55.4 84.95 125.6 16.36...
  • Page 120 Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add: Unit 2612,26/F.,Miramar Tower 132 Nathan Road,TST,Kowloon,HK Tel: (852) 31658898 Fax: (852) 31651029 For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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