Gree LIVV09HP230V1A Series Service & Parts Manual Download Page 80

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131

Service Manual

(8) Overload and high discharge temperature malfunction

Main detection points:

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If the electronic expansion valve is connected well? Is the electronic expansion valve damaged?

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If the refrigerant is leaked?

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The compressor overload protection terminal is not connected well with the mainboard?

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If the overload protector is damaged?

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Heat exchange of unit is not good? (heat exchanger is dirty and unit radiating environment is bad)

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Too much load of the system causes high temperature of compressor after working for a long time?

●

Malfunction of discharge temperature sensor?

Summary of Contents for LIVV09HP230V1A Series

Page 1: ...Service Parts Manual Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI LIVV09HP230V1A LIVV12HP230V1A LIVV18HP230V1A LIVV24HP230V1A ...

Page 2: ...ystem Diagram 12 5 Electrical Part 14 5 1 Wiring Diagram 14 5 2 PCB Printed Diagram 18 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 44 7 Notes for Install...

Page 3: ...for Main Malfunction 61 9 3 Troubleshooting for Normal Malfunction 79 10 Exploded View and Parts List 81 10 1 Indoor Unit 81 10 2 Outdoor Unit 87 11 Removal Procedure 91 11 1 Removal Procedure of Indoor Unit 91 11 2 Removal Procedure of Outdoor Unit 101 Appendix 112 Appendix 1 Reference Sheet of Celsius and Fahrenheit 112 Appendix 2 Configuration of Connection Pipe 112 Appendix 3 Pipe Expanding Me...

Page 4: ...ice Manual 1 Summary Part Ⅰ Technical Information Indoor Unit LIVV09HP230V1AH LIVV12HP230V1AH LIVV18HP230V1AH LIVV24HP230V1AH LIVV09HP230V1AO LIVV12HP230V1AO Outdoor Units LIVV18HP230V1AO LIVV24HP230V1AO 1 ...

Page 5: ...0 LIVV09HP230V1AH CB432N21800 LIVV09HP230V1AO CB432W21800 YAN1F10F WiFi 2 LIVV12HP230V1A CB432022600 LIVV12HP230V1AH CB432N22600 LIVV12HP230V1AO CB432W22600 3 LIVV18HP230V1A CB432022400 LIVV18HP230V1AH CB432N22400 LIVV18HP230V1AO CB432W22400 4 LIVV24HP230V1A CB432021500 LIVV24HP230V1AH CB432N21500 LIVV24HP230V1AO CB432W21500 Remote Controller YAN1F10F WiFi YAN1F10F 2 ...

Page 6: ...ndoor unit LIVV09HP230V1AH Indoor Unit Product Code CB432N21800 Fan Type Cross low Diameter Length DXL inch Φ5 16X22 53 64 Fan Motor Cooling Speed SH H M L r min 1300 1200 1050 800 Fan Motor Heating Speed SH H M L r min 1300 1200 1050 900 Output of Fan Motor W 20 Fan Motor RLA A 0 20 Fan Motor Capacitor μF 1 Evaporator Form Aluminum Fin copper Tube Pipe Diameter inch Φ13 64 Row in Gap inch 2 1 16 ...

Page 7: ...2N22600 Fan Type Cross flow Diameter Length DXL inch Φ3 55 64X25 Fan Motor Cooling Speed SH H M L SL r min 1350 1200 1000 800 Fan Motor Heating Speed SH H M L SL r min 1350 1200 1000 900 Output of Fan Motor W 20 Fan Motor RLA A 0 31 Fan Motor Capacitor μF 1 5 Evaporator Form Aluminum Fin copper Tube Pipe Diameter inch Φ3 16 Row fin Gap inch 2 1 16 Coil Length LXDXW inch 25X57 64X12 3 64 Swing Moto...

Page 8: ...nit LIVV18HP230V1AH Indoor Unit Product Code CB432N22400 Fan Type Cross flow Diameter Length DXL inch Φ4 1 4X32 11 16 Fan Motor Cooling Speed SH H M L r min 1350 1200 1050 900 Fan Motor Heating Speed SH H M L r min 1300 1200 1100 900 Output of Fan Motor W 60 Fan Motor RLA A 0 40 Fan Motor Capacitor μF 2 5 Evaporator Form Aluminum Fin copper Tube Pipe Diameter inch Φ5 16 Row fin Gap inch 2 1 16 Coi...

Page 9: ...oor unit LIVV24HP230V1AH Indoor Unit Product Code CB432N21500 Fan Type Cross flow Diameter Length DXL inch Φ4 1 4X32 43 64 Fan Motor Cooling Speed SH H M L r min 1300 1150 1000 850 Fan Motor Heating Speed SH H M L r min 1300 1150 1000 850 Output of Fan Motor W 30 Fan Motor RLA A 0 55 Fan Motor Capacitor μF 3 Evaporator Form Aluminum Fin copper Tube Pipe Diameter inch Φ17 64 Row fin Gap inch 2 1 16...

Page 10: ...4 F Indoor air flow High Pipe lengt 24 6ft Conditions Indoor DB70 F WB60 Outdoor DB19 94 F WB19 04 F Indoor air flow High Pipe lengt 24 6ft Conditions Indoor DB80 F WB66 9 F Outdoor DB95 F Indoor air flow High Pipe lengt 24 6ft 2 2 Operation Characteristic Curve 2 3 Capacity Variation Ratio According to Temperature Cooling Heating Cooling Heating 4 5 14 110 100 90 80 70 60 50 40 23 32 41 50 Outdoo...

Page 11: ...5 09 12K for some model 123 2 145 in 46 52 out 52 57 in 122 176 out 99 109 Suprt High High 58 80 66 9 95 18K 130 142 in 46 4 51 8 out 51 8 57 2 in 167 181 4 out 98 6 118 4 Super High High 73 80 66 9 95 24K 130 142 in 46 4 51 8 out 51 8 57 2 in 167 181 4 out 98 6 118 4 Super High High 75 Instruction T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser...

Page 12: ...Indoor side noise Outdoor side noise 2 5 Noise Curve Indoor side noise when blowing Outdoor side noise when blowing Indoor fan motor rotating speed Compressor frequency Hz Noise dB A 50 60 30 40 20 Low Middle High Super High 40 42 44 46 48 50 52 54 56 20 40 30 50 60 70 80 90 Noise dB A 09 12K Cooling 07 09 12K Heating 07 09K 12K LIVV12HP230V1A LIVV12HP230V1A LIVV24HP230V1A LIVV18HP230V1A 9 ...

Page 13: ... 3 16 4 11 16 21 5 16 7 1 4 3 5 16 5 1 3 8 1 3 8 4 27 7 3 16 5 1 2 7 1 2 1 1 2 Φ2 3 16 Φ2 3 16 3 1 8 6 1 11 16 8 1 8 27 7 5 16 Φ2 3 4 Φ2 3 4 MODEL W H D LIVV09 31 1 8 10 3 4 7 7 8 LIVV12 33 1 4 11 1 4 8 3 8 LIVV18 38 1 4 11 3 4 8 3 4 LIVV24 42 1 4 12 3 4 9 5 8 Unit inch LIVV09HP230V1AH LIVV12HP230V1AH LIVV18HP230V1AH LIVV24HP230V1AH 10 ...

Page 14: ...rvice Manual 3 2 Outdoor Unit Unit inch 30 5 8 21 1 4 12 5 8 28 11 1 4 20 10 1 8 Unit inch LIVV12HP230V1AO LIVV09HP230V1AO LIVV18HP230V1AO LIVV24HP230V1AO 33 1 4 12 1 4 25 5 8 14 11 16 35 3 4 13 1 2 23 11 ...

Page 15: ...at exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Capillary Compressor Electronic expansion valve Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Strainer Capillary Accumlator Compressor Electronic expansion valve Heating model All model except LIVV...

Page 16: ...NG HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Strainer Capillary Accumlator Compressor Connection pipe specification Liquid pipe 1 4 Gas pipe 3 8 LIVV12HP230V1A LIVV09HP230V1A 13 ...

Page 17: ... VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 600007000575 67 33 1 3 2 7 50 1 9 325 725 803 3 0 1 2 5 1 1 1 1 1 7 8 20 287 02725 287 225 81 7 7 6 1625 63 63 57 3 5220 78 7 03 6 1625 7 03 6 1625 63 2 5 5 9 5 1 57 6 1 8 0 75 2 8 5 1 1 1 02 8 237 21 0 20 0 18 211 725 3 5 21752 5 3 3 1 02725 Indoor Unit LIVV12HP230V1AH LIVV24...

Page 18: ... KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW WKH ULVN 51 1 1 8 1 0 1 7 5 1 7 50 1 7 2 1 208 3 1 7 03 6 1625 7 03 6 1625 7 03 57 57 57 6 1625 N N N 28778 2875220 867 9 9 9 97 97 3 0DLQ RDUG 3527 725 29 5 2 5 29 203 6 7 9 8 203 203 9 8 8 5 0 1 7 5 1 32 5 1 1 75 2 8 5 8 5 1 1 1 1 8 1 1 02725 2 5 725 1 2 1 HDWHU DQG RWWRP 5 0 1 7 LIVV12HP230V1AO 60000706165503 15 ...

Page 19: ...EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 51 1 7 5 75 27720 7B 5 5 1 1 225 81 7 600007062554 1 225 81 7 JURXQG RQO LURQ VKHOO PRWRU DSSOLHV WR WKH 127 0RWRU 51 1 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 1 8 1 0 1 7 5 1 7 50 1 7 2 1 208 20 1 3 1 7 6 1 7 0...

Page 20: ... B 203 5 57 20B 11 5 9 8 1 8 8 9 5 B 7B6 1625 8 1 7 1 1 8 32 5 29 5 2 3527 725 9 9 0 1 7 5 1 97 97 57 57 1 1 8 5 3 35 17 5 8 7 2 5 211 725 8 5 1 1 8 1 1 0 2 1 1 02725 1 3 1RWH 0RWRU JURXQG RQO DSSOLHV WR WKH LURQ VKHOO PRWRU 1 7 5 75 27720 7B 5 51 1 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSRQHQW RU WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW W...

Page 21: ...al for indoor unit and outdoor unit 15 Live wire terminal 16 Fuse 17 Terminal of live wire used for supplying power for outdoor unit 7 Interface of Motor feedback 8 Left right swing terminal 9 Terminal of temperature sensor 10 11 Wired controller terminal 12 Interface of display board 13 Jumper cap Auto button WIFI terminal 1 2 3 4 5 6 7 LIVV09HP230V1AH LIVV12HP230V1AH LIVV18HP230V1AH LIVV24HP230V...

Page 22: ...e of fan 3 Interface of electric heating for chassis 4 4 way valve interface 5 6 Interface of earthing wire 7 Neutral wire Interface of live wire 8 9 Communication interface 10 Compressor overload protection interface Needle stand of electronic expansion valve 11 Interface of temperature sensor Top view Bottom view 19 ...

Page 23: ...r wiring terminal 1 4 Terminal of chassis electric heater 5 6 4 way valve terminal 7 Neutral wire Grounding wire 8 Communication wire 9 Live wire 10 Terminal of electronic expansion valve 11 Interface of temperature sensor 12 Overload interface of compressor 13 Terminal of outdoor fan Top view Bottom view LIVV12HP230V1AO 20 ...

Page 24: ... interface Interface of temperature sensor 4 Interface of electronic expansion valve 5 Interface of fan 6 4 way valve interface 7 Interface of electric heating for compressor 9 Interface of netural wire 8 Interface of live wire 10 Interface of earthing wire 11 Interface of netural wire Top view Bottom view 1 2 3 4 6 5 7 8 9 10 11 21 ...

Page 25: ...erate the air conditioner by using remote controller Under on status pressing the button on the remote controller the signal icon will blink once and the air conditioner will give on the display of remote controller conditioner out a de sound which means the signal has been sent to the air Under off status set temperature and clock icon will be displayed on the display off and light functions are ...

Page 26: ...s below When selecting air conditioner is blowing fan automatically Horizontal louver will automatically swing up down at maximum angle When selecting ǃ ǃ ǃ ǃ When selecting ǃ ǃ Hold button above 2s to set your required swing angle When reaching your required angle release the button Note ǃ ǃ may not be available When air conditioner receives this signal the air conditioner will blow fan automatic...

Page 27: ...remote controller blinks Press or button to adjust TIMER ON setting After each pressing or button TIMER ON setting will increase or decrease 1min Hold or button 2s later the time will change quickly until reaching your required time Press TIMER ON to icon resumes displaying Cancel TIMER ON Under the condition that TIMER ON is started up press TIMER ON button to cancel it TIMER OFF button TIMER OFF...

Page 28: ... been set under cooling mode start up the 8ć heating function will cancel sleep function Under temperature display the remote controller will display 46 heating Press and simultaneously to turn on or turn off child lock function When child lock function is on icon is displayed on remote controller If you operate the remote controller the icon will blink three times without sending signal to the un...

Page 29: ...ies of the same model when replacement is required When you dont use remote controller for a long time please take out the batteries If the display on remote controller is fuzzy or theres no display please replace batteries 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 ...

Page 30: ...e controller at the same time Under on status the display will show the corresponding set function icons Under on status pressing the button on the remote controller the signal icon on the display of remote controller will blink once and the air conditioner will give out a di sound which means the signal has been sent to the air conditioner This is a general use remote controller it could be used ...

Page 31: ...g angle Cooling only unit wont receive heating mode signal If setting heat mode with remote controller press ON OFF button cant start up the unit Note Caution Fan speed under dry mode is low speed X FAN function Hold fan speed button for 2s in COOL or DRY mode the icon is displayed and the indoor fan will continue operation for a few minutes in order to dry the indoor unit even though you have tur...

Page 32: ...nking Note 8 TIMER OFF button can set the time for timer off After pressing this button icon disappears and the word OFF on remote controller blinks Press or button to adjust TIMER OFF setting After each pressing or button TIMER OFF setting will increase or decrease 1min Hold or button 2s later the time will change quickly until reaching your required time Press TIMER OFF word OFF will stop blinki...

Page 33: ...LOCK buttons simultaneously again to exit 8ć heating function Note 6 I FEEL function Under OFF status press and MODE buttons simultaneously to switch temperature display between ć and Press and simultaneously to turn on or turn off child lock function When child lock function is on icon is displayed on remote controller If you operate the remote controller the icon will blink three times without s...

Page 34: ...he receiving window on indoor unit The distance between signal sender and receiving window should be no more than 8m and there should be no obstacles between them indoor unit during operation Replace new batteries of the same model when replacement is required When you dont use remote controller for a long time please take out the batteries 1 If the display on remote controller is fuzzy or theres ...

Page 35: ...E App is installed register the account and add the device to achieve long distance control and LAN control of Gree smart home appliances For more information please refer to Help in App Internet Cellular Other Wi FI Home Wi Fi Home wireless router Home Wi Fi Gree Gree Cloud GREE APP intelligent home appliances iOS system Support iOS7 0 and above version Android system Support Android 4 4 and abov...

Page 36: ...all it When Ewpe Smart App is installed register the account and add the device to achieve long distance control and LAN control of smart home appliances For more information please refer to Help in App iOS system Support iOS7 0 and above version Android system Support Android 4 4 and above version App Download Linkage Internet Cellular Other Wi FI Home Wi Fi Home wireless router Home Wi Fi Cloud ...

Page 37: ... value under each condition Ambient temperature is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If theres I feel function Tcompensation is 0 Others are same as above 5 Fan mode Under this mode indoor fan operates at set fan speed Compressor outdoor fan 4 way valve and electric heating tube stop operation Indoor fan can select to operate at high medium low or auto fan spee...

Page 38: ...rrent set temperature will be displayed 2 Only when remote control signal is switched to indoor ambient temperature display status corresponding remote control code 10 from other display status corresponding remote control code 00 01 11 controller will display indoor ambient temperature for 3s and then turn back to display set temperature Under this mode indoor fan operates at set fan speed Compre...

Page 39: ... 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 If the indoor environment is not so dusty it is recommended to clean it once every three months After turning on the automatic cleaning mode the user can leave the room When cleaning is complete the unit will automatica...

Page 40: ...ssor is shut down and Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 32 9ºF start up the machine for cooling the cooling operation will start 2 During operations of cooling if 32ºF Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 35 6ºF the cooling operation will be still running 3 During operations of cooling if 35 6ºF Tsetup...

Page 41: ...rosting a Defrosting starts the compressor is shut down and restarts it after 55 second delay b Defrosting ends the compressor stops then starts it after 55 second delay 2 Outer Fans Control Notes Only the outer fans run for at least 80s in each air flow speed can the air flow be switched After the outer fans run compulsively in high speed for 80s when the machine starts up control the air flow ac...

Page 42: ...ot be started and should be stopped to treat according to the overload protection Clear the trouble at the mode of power turn off heating and the protection times are not counted 2 Frequency limited If TCooling overload frequency limited temperature Touter pipe T Cooling overload frequency reducing temperature at normal speed you should limit the frequency raising of compressor 3 Reducing frequenc...

Page 43: ...mal speed during discharging you should limit the frequency raising of compressor 3 Reducing frequency at normal speed and stopping machine If Tfrequency reducing temperature at normal speed during discharging TDischarge Tfrequency reducing temperature at high speed during discharging you should adjust the compressor frequency by reducing 8Hz 90s till the lower limit After it was running 90s at th...

Page 44: ...r frequency by reducing 30Hz 90s till the lower limit After it was running 90s at the lower limit if Tfrequency reducing temperature at normal speed of module T Module you should stop the machine for module overheating protection 5 Power turn off If the TPower turn off temperature of module TModule you should stop the machine for module overheating protection If TModule TLimited frequency temperat...

Page 45: ... four way valve reversion abnormity And then it can run if stop the reversion abnormity protection for four way valve 3 min and if it still cant run when the reversion abnormity protection for four way valve happens to stop working for 3 times in succession it is available if presses ON OFF Attention the protection shall be shielded during the testing mode and defrosting process and it shall be cl...

Page 46: ...en 32ºF Toutdoor amb 35 6ºF the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 23ºF compressor stops operation while the electric heating of compressor starts operation 2 When Toutdoor amb 28 4ºF the electric heating of compressor stops operation 3 When 23ºF Toutdoor amb 28 4ºF the electric heating of compressor will keep origina...

Page 47: ...ely grounded The grounding wire cant be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wire and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power connection wires cant be pressed by hard objects 9 If powe...

Page 48: ...mpressor rupture resulting in injury 4 During refrigerant recovery make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection pipe If compressor starts running when stop valve is open and connection pipe is not yet connected air will be sucked in and cause pressure rise or compressor rupture resulting in injury 5 When installing the unit ma...

Page 49: ...roprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container 46 ...

Page 50: ...s At least 6 inches Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S A t l e a s t 1 1 8 i n c h Space to the obstructio At least 78 inches Space to the wall At least 12 inches At least 20 inches Space to the obstruction At least 12 inches Space to the obstruction At least 20 inches Drainage pipe Space to the obstruction 47 ...

Page 51: ... unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit select it accordin...

Page 52: ...ch for children 5 The location should be able to withstand the weight of indoor unit and wont increase noise and vibration 6 The appliance must be installed 72inch above floor 7 Dont install the indoor unit right above the electric appliance 8 Please try your best to keep way from fluorescent lamp 3 Outdoor Unit 1 Select a location where the noise and outflow air emitted by the outdoor unit will n...

Page 53: ...he wall mounting frame on the wall with tapping screws ST4 2X25TA and then check if the frame is firmly installed by pulling the frame If the plastic expansion particle is loose please drill another fixing hole nearby 3 Install Wall mounting Frame 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should be a little lower than the wall mounte...

Page 54: ...connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end 9 Hang the Indoor Unit 1 Put the boun...

Page 55: ... on the selected location with expansion screws 5 Connect Outdoor Electric Wire 1 Let the connection wire sleeve go through the two holes of baffle tighten the connection joint of sleeve and baffle remove the wire clip connect the power connection wire and power cord to the wiring terminal according to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed...

Page 56: ...tton on the remote controller to start operation Press MODE button to select AUTO COOL DRY FAN and HEAT to check whether the operation is normal or not If the ambient temperature is lower than 16 the air conditioner cant start cooling 2 Leakage Detection 1 With leakage detector Check if there is leakage with leakage detector 2 With soap water If leakage detector is not available please use soap wa...

Page 57: ...ring cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty 6 Communi cation Malfunction E6 During cooling operation compressor stops while indoor fan motor operates During heating operation the complete unit stops Refer to the ...

Page 58: ...ring cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 15 Outdoor condenser temperature sensor is open short circuited F4 During cooling and drying operation compressor sto...

Page 59: ...r than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 22 Voltage of DC bus bar is too low PL During cooling and drying operation compressor will stop while indoor fan will operate Du...

Page 60: ...ation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 30 Module high temperature protection P8 During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop After the complete unit is de energized for 20mins check whether the thermal grease on...

Page 61: ...g of compressor H7 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor 39 PFC protection HC During cooling and drying operation compressor will stop while indoor f...

Page 62: ...uring heating operating the complete unit will stop operation Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel AP1 47 The four way valve is abnormal U7 If this malfunction occurs during heating operation the complete unit will stop operation 1 Supply voltage is lower than AC175V 2 Wiring terminal 4V is loosened or broken 3 4V is damaged p...

Page 63: ...Heat compressor outdoor fan and indoor fan stop operation 1 Outdoor ambient temperature exceeds the operation range of unit eg less than 20oC or more than 60oC for cooling more than 30oC for heating 2 Failure startup of compressor 3 Are wires of compressor not connected tightly 4 Is compressor damaged 5 Is main board damaged 60 ...

Page 64: ...alfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes Yes Yes Yes No No No No No No Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace it with a temperature sensor with the same model Make the parts upright Is there short circuit du...

Page 65: ...f PG motor control terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make sure there is no foreign object between them Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No No Is malfunc...

Page 66: ...of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Replace a new main board that is of the same model Replace a new main board that is of the same model It s the malfunction of main board Then check whether the voltage between terminal 2 and terminal 3 of the motor interface is 15VDC Connect power and restart the u...

Page 67: ...is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model Appearance of the jumper cap Assemble the jumper cap with the same model Insert the jumper cap tightly Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace the mainboard with the sam...

Page 68: ...The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is displayed due to power off on while the capacitor discharges slowly U8 is still displayed The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same model Yes No Star...

Page 69: ... malfunction eliminated The end check if the connection wire are correctly connected Replace the detecting plate with the same model Replace the mainboard with the same model Yes Yes No 5 Malfunction of detecting plate WIFI JF 66 ...

Page 70: ...tem System is blocked inside dirt block ice block oil block Y valve no fully open Compressor doesn t work normally Strange noise or leakage occurs Make compressor run normally Casing is too hot Replace a main board with the same model Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Troubleshooting for F0 malfunction Yes No No No No No No No N...

Page 71: ... with display board Main board of IDU matches with that of ODU Communication cord is damaged Replace IDU s main board Malfunction eliminated End Connect the line according to wiring diagram Match correctly according to product specification Replace communication cord Replace ODU s main board Malfunction eliminated Malfunction eliminated Malfunction eliminated yes yes yes yes yes yes yes no no no n...

Page 72: ... Replace the mainboard with the same model End Is the supply voltage too low with overload Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked The fan is abnormal Fan speed is too low or fan doesn t rotate Measure the current of live wire on the main board with a clamp ampere meter Is the current higher than the value of the overcurrent protection Is there blockage i...

Page 73: ... testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the power and repair the power supply to restore the range 210VAC 250VAC power on and restart the unit If the fault is eliminated Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on...

Page 74: ... range of 210VAC 250VAC Correctly connect the wires of compressor according to the electric wiring diagram and then turn on the unit Check the connection between the control board and the compressor by referring to the electric wiring diagram Check whether wires of compressor UVW are connected correctly Measure the resistance value among three terminals UVW of compressor with a resistance measurin...

Page 75: ...protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate it after the outdoor ambient temp erature is normalized Improve the heat dissipation environ ment of the unit Does the outdoor fan work normally 1 Check if the fan terminal OFAN is connected corr...

Page 76: ... stopping enough Fault diagnosis process Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compressor connected correctly Is connection sequence right Connect the wires as per the connection diagram Replace the control panel AP1 If the fault is eliminated Replace the compressor End 73 ...

Page 77: ...onnected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the compressor End Out of step occurs in operation Is the outdoor fan working normally Is the outdoor unit blocked by foreign objects Replace the control panel AP1 If the fault is eliminated Replace the compressor...

Page 78: ...er the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electronic expansion valve If the fault is eliminated If the fault is eliminated Replace the control panel AP1 Coolant leakage ...

Page 79: ...normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit If the fault is eliminated The communication circuit is abnormal Replace the main board of the indoor unit End If the fault is eliminated Replace the main board AP1 of the outdoor unit If the fault ...

Page 80: ... If the refrigerant is leaked The compressor overload protection terminal is not connected well with the mainboard If the overload protector is damaged Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad Too much load of the system causes high temperature of compressor after working for a long time Malfunction of discharge temperature sensor 77 ...

Page 81: ...r overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad improve the radiating environment and clean the heat exchanger Too much load of the system causes high temperature of compressor after working for a long time decrease the load for operation Is the malfuncti...

Page 82: ... Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Cant be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Cant Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug After energizatio...

Page 83: ...rain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Cant Operate Possible causes Discriminating method air conditioner status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires according to wiring diagram to make sure all wiring terminals...

Page 84: ...135 Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit The component picture is only for reference please refer to the actual product LIVV09HP230V1AH LIVV12HP230V1AH 81 ...

Page 85: ...necting pipe clamp 2611216401 1 19 Rubber Plug Water Tray 76712012 1 20 Stepping Motor 1521212901 1 21 Crank 73012005 1 22 Electric Box Assy 100002067733 1 23 Axile Bush 10542036 1 24 Terminal Board 42011233 1 25 Jumper 4202021904 1 26 Main Board 300002061160 1 27 Screw Cover 2425203001 1 28 Electric Box Cover Sub Assy 0140206501 1 29 Shield Cover of Electric Box Cover 01592150 1 30 Electric Box C...

Page 86: ...anual LIVV18HP230V1AH 36 35 1 10 2 3 4 5 6 7 8 9 11 12 13 14 15 16 18 19 20 21 25 26 27 28 29 32 31 24 33 34 37 38 39 22 23 17 30 10 The component picture is only for reference please refer to the actual product 83 ...

Page 87: ...03 1 15 Evaporator Support 24212177 1 16 Evaporator Assy 011001000207 1 17 Cross Flow Fan 10352060 1 18 Fan Motor 1501214503 1 19 Motor Press Plate 26112511 1 20 Wall Mounting Frame 01362026 1 21 Connecting pipe clamp 2611218801 1 22 Crank 73012005 1 23 Stepping Motor 1521240212 1 24 Drainage Hose 05230014 1 25 Electric Box Assy 100002067907 1 26 Lower Shield of Electric Box 01592139 1 27 Electric...

Page 88: ...Manual LIVV24HP230V1AH 36 35 37 38 1 8 2 3 4 6 7 9 10 12 13 14 15 17 18 19 20 21 22 23 24 26 27 28 29 30 31 33 5 25 11 16 34 8 32 39 The component picture is only for reference please refer to the actual product 85 ...

Page 89: ... 01100100007306 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 1 18 Motor Press Plate 26112515 1 19 Fan Motor 1501214501 1 20 Connecting pipe clamp 26112514 1 21 Drainage Hose 0523001405 1 22 Stepping Motor 1521240212 1 23 Crank 73012005 1 24 Guide Louver 1051232001 1 25 Axile Bush 10542036 2 26 Electric Box 2011221105 1 27 Terminal Board 42011233 1 28 Electric Box Cover2 2011221001 1 ...

Page 90: ...7 Parts Diagram List LIVV09HP230V1AO LIVV12HP230V1AO The component picture is only for reference please refer to the actual product Exploded View and Parts List Outdoor Unit Service Manual 87 ...

Page 91: ... Pass Wire 01413069 01413069 1 14 Right Side Plate Assy 0130307003 0130307003 1 15 Cable Cross Plate 2 02123014P 02123014P 1 16 Magnet Coil 4300040050 4300040050 1 17 Capillary Sub assy 030006060692 030006060709 1 18 Rear Grill 01473009 01473009 1 19 Electric Box 20113033 2011303401 1 20 Main Board 300027060985 300027060987 1 21 Reactor 43130184 22 Electric Box Assy 100002067452 100002067860 1 23 ...

Page 92: ...177 Service Manual LIVV18HP230V1AO LIVV24HP230V1AO The component picture is only for reference please refer to the actual product 19 29 89 ...

Page 93: ...tor Support 01703245 01703245 1 13 Clapboard Sub Assy 017021000063 017021000063 1 14 Condenser Assy 01100206086201 011002061040 1 15 4 Way Valve Assy 030152060381 030152060463 1 16 Rear Grill 016001000023 016001000023 1 17 Electric Expand Valve Fitting 4300034419 07200206002231 1 18 Right Side Plate Assy 00008100002101 00008100002102 1 19 Handle 26233014 26233014 1 20 Valve Cover 22243015 22243015...

Page 94: ...rizontal louver Location of step motor Procedure Step 1 Remove filter assembly 2 Remove horizontal louver Front panel Front case Right filter Groove Left filter Open the front panel Push the left filter and right filter until they are separate from the groove on the front panel Remove the left filter and right filter respectively C6 panel display Screw off the 2 screws that are locking the display...

Page 95: ... case Lift up the front case sub assy and take it out Electric box cover2 Detecting plate for 12K for 09K Detecting plate Screw Screw 5 Remove front case sub assy 6 Remove vertical louver Front case sub assy Front case sub assy Clasp Screw caps Screws Screw Vertical louver Vertical louver Clasps Bottom case 4 Remove detecting plate and electric box cover 2 Remove the screw fixing electric box cove...

Page 96: ...emove the wiring terminals of motor and stepping motor Remove the electric box assy Twist off the screws that are locking each lead wire and rotate the electric box assy Twist off the screws that are locking the wire clip Loosen the power cord and remove its wiring terminal Lift up the main board and take it off 7 Remove electric box assy Electric box Electric box assy Clasps Shield cover of elect...

Page 97: ...ull out the holder for some terminals at first holder is not available for some wiring terminal hold the connector and then pull the terminal circlip soft sheath holder connector Procedure Step Remove 3 screws fixing evaporator assy 8 Remove evaporator assy Screws Connection pipe clamp Evaporator assy Evaporator assy Screw Groove Bottom case Clasp Connection pipe At the back of the unit remove the...

Page 98: ...e connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Remove the bearing holder sub assy Remove the screw fixing step motor and then remove the step motor Screws Screw Motor clamp 9 Remove motor and cross flow blade Motor Cross flow Holder sub assy Step motor Screws a b 95 ...

Page 99: ...right filters to make them break away from the groove on the front case Then remove the left and right filters one by one Left filter Groove Right filter Front case Front panel C6 display Display C6 panel display Screw off the 2 screws that are locking the display board 18 24K 96 ...

Page 100: ...ng motor Screw off the screws that are locking the swing motor and take the motor off it out 4 Remove electric box cover 2 and detecting plate WIFI Remove the screws on the electric box cover 2 and detecting plate WIFI then remove the electric box cover 2 and detecting plate WIFI Electric box cover 2 Detecting plate WIFI Screw Screws 97 ...

Page 101: ...be temperature sensor Screw off one grounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Screw off the screws that are locking each lead wire S crew Wire clip Power cord Rotate the electric box assy Twist off the screws that are locking the wire clip and loosen the power cord Remove the wiring terminal of power cord Lift up the main board and take it...

Page 102: ...189 Service Manual R ear case assy 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 rear case assy Groove Clasp 99 ...

Page 103: ...190 Service Manual 100 ...

Page 104: ... valve cover 2 Remove top cover Before disassamble Remove 3 connection screw fixing cable cross plate 2 and then remove the Cable cross plate 2 Remove 1 connection screw fixing valve cover and then remove the valve cover Remove 3 connection screws among top cover plate front panel and right side plate Then remove top cover plate screw Cable cross plate 2 Valve Cover screw top cover plate LIVV12HP2...

Page 105: ... front grille Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove the nut fixing the blade and then remove the axial flow blade Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate Grille Panel Axial flow blade Right side plate 102 ...

Page 106: ...nnecting the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor 7 Remove 4 way valve assy 8 Remove capillary sub assy Unsolder weld point of capillary Sub assy valve and outlet pipe of condensator Then remove the capillary Sub...

Page 107: ... 2 tapping screws fixing the motor support Lift motor support to re move it 9 Remove motor and motor support Motor Motor support 10 Remove clapboard sub assy Loosen the screws of the Clapboard Sub Assy The Clapboard Sub Assy has a hook on the lower side Lift and pull the Clapboard Sub Assy to remove Clapboard Sub Assy 104 ...

Page 108: ...turn pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connecting liquid valve and remove the liquid valve b Remove the 3 footing screws of the compressor and remove the compressor Compressor Gas valve Liquid valve 105 ...

Page 109: ...214 Service Manual LIVV24HP230V1AO LIVV18HP230V1AO Note Take heat pump for example 106 ...

Page 110: ...215 Service Manual 107 ...

Page 111: ...216 Service Manual 108 ...

Page 112: ...217 Service Manual 109 ...

Page 113: ...218 Service Manual 110 ...

Page 114: ...219 Service Manual 111 ...

Page 115: ...lsius degree Tf Tcx1 8 32 Ambient temperature Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius 32 33 32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 ...

Page 116: ...p Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe E Expand the port Ex...

Page 117: ...17 24 8 60 23 95 9 779 165 2 2 28 235 4 0 697 26 6 57 18 96 8 9 382 167 2 206 237 2 0 678 28 4 54 31 98 6 9 003 168 8 2 133 239 0 66 30 2 51 59 100 4 8 642 170 6 2 064 240 8 0 642 32 49 02 102 2 8 297 172 4 1 997 242 6 0 625 33 8 46 6 104 7 967 174 2 1 933 244 4 0 608 35 6 44 31 105 8 7 653 176 1 871 246 2 0 592 37 4 42 14 107 6 7 352 177 8 1 811 248 0 577 39 2 40 09 109 4 7 065 179 6 1 754 249 8 ...

Page 118: ...2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6 0 833 33 8 62 13 104 10 62 174 2 2 577 244 4 0 811 35 6 59 08 105 8 10 2 176 2 495 246 2 0 77 37 4 56 19 107 6 9 803 177 8 2 415 248 0 769 39 2 53 46 109 4 9 42 179 6 2 339 249 8 0 746 41 50 87 111 2 9 054 181 4 2...

Page 119: ...9 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165 224 6 2 715 15 8 259 3 86 39 61 156 2 8 854 226 4 2 64 17 6 245 6 87 8 37 96 158 8 555 228 2 2 568 19 4 232 6 89 6 36 38 159 8 8 268 230 2 498 21 2 220 5 91 4 34 88 161 6 7 991 231 8 2 431 23 209 93 2 33 45 163 4...

Page 120: ... 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 JF00303615 CAT NO GREE_LIVO GEN3_SERVICE Parts_9 24K_07242020 ...

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