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Installation and Maintenance

Service Manual

NOTE:Take heat pump for example.

18K

Step

Procedure

1. Remove big handle, valve cover and top cover

Remove the screw connecting the big handle and right
side plate, and then remove the big handle.
Remove the screw connecting the valve cover and right
side plate, and then remove the valve cover.

Remove the screws connecting the top cover with outer
case, right side plate and left side plate; lift the top
cover upwards to remove it.

2. Remove grille and outer case

Remove the 4 screws connecting the grille and outer
case, and then remove the panel grille.

Big handle

Valve cover

Top cover

Grille

11. Removal Procedure

Содержание 3VIR09HP115V1A

Страница 1: ...Service Manual Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI Vireo GEN3 115V and 230V 9 24K Btu h ...

Страница 2: ...trical Part 21 28 5 1 Wiring Diagram 21 24 5 2 PCB Printed Diagram 25 28 6 Function and Control 29 38 6 1 Remote Controller Introduction of YAP1F7F WiFi 29 33 6 2 GREE App Operation Manual 34 6 3 Ewpe Smart App Operation Manual 35 6 4 Brief Description of Modes and Functions 36 38 Part II Installation and Maintenance 39 70 7 Notes for Installation and Maintenance 39 41 8 Installation 42 48 8 1 Ins...

Страница 3: ...r Code List 49 55 9 2 Procedure of Troubleshooting 56 68 9 3 Troubleshooting for Normal Malfunction 69 70 10 Removal Procedure 71 94 11 1 Removal Procedure of Indoor Unit 71 76 11 2 Removal Procedure of Outdoor Unit 76 94 Appendix 95 97 Appendix 1 Reference Sheet of Celsius and Fahrenheit 95 Appendix 2 Configuration of Connection Pipe 95 Appendix 3 Pipe Expanding Method 96 Appendix 4 List of Resis...

Страница 4: ...15V1A CB385005800 3VIR09HP115V1AH CB385N05800 3VIR09HP115V1AO CB385W05800 3 4 3VIR09HP230V1A CB385002900 3VIR09HP230V1AH CB385N02900 3VIR09HP230V1AO CB385W02900 5 6 3VIR12HP115V1A CB385006200 3VIR12HP115V1AH CB385N06200 3VIR12HP115V1AO CB385W06200 3VIR12HP230V1A CB385004000 3VIR12HP230V1AH CB385N04000 3VIR12HP230V1AO CB385W04000 3VIR18HP230V1A CB385004400 3VIR18HP230V1AH CB385N04400 3VIR18HP230V1A...

Страница 5: ... flow Fan Diameter Length DXL mm Φ98X630 Cooling Speed r min 1300 1200 1100 1000 900 800 750 500 Heating Speed r min 1300 1200 1100 1000 900 850 800 Fan Motor Power Output W 15 Fan Motor RLA A 0 30 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Φ5 Evaporator Row fin Gap mm 2 1 4 Evaporator Coil Length LXDXW mm 634 X 22 8 X 304 8 Swing Motor Model MP24AK...

Страница 6: ... Fan Motor Speed rpm 900 Fan Motor Power Output W 30 Fan Motor RLA A 0 50 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume CFM 1295 Fan Type Axial flow Fan Diameter mm Φ438 Defrosting Method Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Sound Press...

Страница 7: ... Fan Type Cross flow Fan Diameter Length DXL mm Φ98X630 Cooling Speed r min 1300 1200 1100 1000 900 800 750 500 Heating Speed r min 1300 1200 1100 1000 900 850 800 Fan Motor Power Output W 15 Fan Motor RLA A 0 22 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Φ5 Evaporator Row fin Gap mm 2 1 4 Evaporator Coil Length LXDXW mm 634 X 22 8 X 304 8 Swing Mot...

Страница 8: ...ed rpm 900 Fan Motor Power Output W 30 Fan Motor RLA A 0 4 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume CFM 1295 Fan Type Axial flow Fan Diameter mm Φ438 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Sound...

Страница 9: ...Fan Type Cross flow Fan Diameter Length DXL mm Φ98X630 Cooling Speed r min 1450 1200 1120 1050 980 920 750 500 Heating Speed r min 1450 1200 1140 1080 1020 960 900 Fan Motor Power Output W 15 Fan Motor RLA A 0 30 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Φ5 Evaporator Row fin Gap mm 2 1 4 Evaporator Coil Length LXDXW mm 634X22 8X304 8 Swing Motor M...

Страница 10: ... Fan Motor Power Output W 30 Fan Motor RLA A 0 50 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume CFM 1412 Fan Type Axial flow Fan Diameter mm Φ438 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Sound Pressure...

Страница 11: ... flow Fan Diameter Length DXL mm Φ98X630 Cooling Speed r min 1450 1200 1120 1050 980 920 750 500 Heating Speed r min 1450 1200 1140 1080 1020 960 900 Fan Motor Power Output W 15 Fan Motor RLA A 0 20 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Φ5 Evaporator Row fin Gap mm 2 1 4 Evaporator Coil Length LXDXW mm 634X22 8X304 8 Swing Motor Model MP24BA MP...

Страница 12: ...0 Fan Motor Power Output W 30 Fan Motor RLA A 0 37 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume CFM 1412 Fan Type Axial flow Fan Diameter mm Φ438 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Sound Pressur...

Страница 13: ...n Type Cross flow Fan Diameter Length DXL mm Φ106X739 Cooling Speed r min 1400 1200 1120 1050 980 860 750 Heating Speed r min 1400 1200 1120 1050 950 850 750 Fan Motor Power Output W 60 Fan Motor RLA A 0 25 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Φ7 Evaporator Row fin Gap mm 2 1 4 Evaporator Coil Length LXDXW mm 745X22 8X342 9 Swing Motor Model M...

Страница 14: ... 935X38 1X660 Fan Motor Speed rpm 820 Fan Motor Power Output W 60 Fan Motor RLA A 0 45 Fan Motor Capacitor μF Outdoor Unit Air Flow Volume CFM 1883 Fan Type Axial flow Fan Diameter mm Φ520 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for th...

Страница 15: ...ss flow Fan Diameter Length DXL mm Φ108 830 Cooling Speed r min 1500 1150 1100 1000 950 900 850 Heating Speed r min 1500 1200 1100 1050 1000 950 900 Fan Motor Power Output W 60 Fan Motor RLA A 0 40 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube Evaporator Pipe Diameter mm Φ7 Evaporator Row fin Gap mm 2 1 4 Evaporator Coil Length LXDXW mm 845X25 4X342 9 Swing Motor Model MP24HF MP2...

Страница 16: ...or Unit Air Flow Volume CFM 2354 Fan Type Axial flow Fan Diameter mm Φ550 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Sound Pressure Level H M L dB A 59 Sound Power Level H M L dB A 69 Dimension WXHXD inch 39 3...

Страница 17: ...r High Pipe length 24 6 ft Conditions Indoor DB70 F Outdoor DB19 94 F WB19 04 F Indoor air flow Super High Pipe length 24 6 ft Capacity ratio Capacity ratio Outdoor temp F Outdoor temp F 0 20 40 60 80 100 120 20 4 5 14 23 32 41 50 59 68 77 86 95 109 118 122 0 20 40 60 80 100 120 22 7 6 5 14 17 6 32 35 6 46 4 59 64 4 69 8 75 2 86 Conditions Indoor DB80 F WB66 9 F Outdoor DB95 F Indoor air flow Supe...

Страница 18: ...when blowing Indoor fan motor rotating speed Noice dB A 25 30 35 40 45 SS H MH M ML L SL SM Cooling 20 Rated heating condition F DB WB Model Pressure of gas pipe connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Indoor Outdoor P MPa T1 F T2 F 70 19 94 19 04 09K 2 2 2 4 158 to 95 35 6 to 39 2 Super High High 70 ...

Страница 19: ...odel W H D W1 W2 W3 09K 12K 32 31 64 11 34 64 7 46 64 4 29 64 21 22 64 6 44 64 18K 38 42 64 12 16 64 8 45 64 4 53 64 27 55 64 5 63 64 24K 42 21 64 13 7 64 9 44 64 7 14 64 27 55 64 7 16 64 Recommending distances 2 23 64 Φ2 3 4 W3 W2 W1 1 11 16 6 57 64 AGE 1 11 16 Unit inch 09K 12K 24K 18K Φ2 11 64 7 1 64 3 32 64 1 37 64 1 37 64 W3 W2 W1 ...

Страница 20: ... Unit 3VIR09HP115V1AO GWC09AGC D3DNA1C O 3VIR09HP230V1AO Unit inch 10 8 64 30 45 64 23 30 64 33 25 64 11 17 64 21 17 64 12 38 64 35 25 64 21 2 3 13 32 64 12 23 30 64 14 56 64 Unit inch 3VIR12HP230V1AO 3VIR12HP115V1AO 32 12 64 3 Outline Dimension Diagram ...

Страница 21: ...hnical Information Service Manual Unit inch 31 7 64 16 13 16 15 9 16 39 31 64 24 36 7 32 14 37 64 3VIR24HP230V1AO 3 Outline Dimension Diagram 3VIR18HP230V1AO 35 37 63 64 13 26 64 15 38 64 22 27 36 64 14 21 64 ...

Страница 22: ...arge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Strainer Capillary Accumlator Compressor 4 Refrigerant System Diagram Cooling and heating model Connection pipe speci ication Liquid pipe 1 4 09K 12K Gas pipe 3 8 09K Gas pipe 1 2 12K ...

Страница 23: ... Electron expansion valve Connection pipe specification Liquid pipe 1 4 Gas pipe 5 8 24K 4 Refrigerant System Diagram Connection pipe specification Liquid pipe 1 4 Gas pipe 5 8 18K 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 Electron expansion valve Strainer Accumlator ...

Страница 24: ...r cap is used to determine fan speed and the swing angle of horizontal lover for this model 287 225 81 7 2 1 7 50 1 20 0 18 3 5 21752 5 3 7 5 7 02725 67 33 1 3 803 3 35 17 5 8 7 2 5 5 9 5 1 63 2 5 63 7 6 1625 7 03 6 1625 7 03 6 1625 57 57 02725 1 02725 78 5220 8 5 1 1 1 9 325 725 1 1 1 20 287 1 8 7 63 3 1 225 5 237 21 237 21 7 21752 67 33 1 6 1 8 02725 0 83 2 1 6 1 8 21 3 60 867 5 7 237 21 0 6 1 5...

Страница 25: ...8 3 803 3 7 50 1 2 211 7 1 35 17 5 8 7 2 5 7 6 1625 7 03 6 1625 7 03 6 1625 57 57 78 5220 67 33 1 6 1 8 02725 0 83 2 1 67 33 1 6 1 8 0 83 2 1 02725 1 1 5 1 6 1 5 7 5 7 02725 67 33 1 0 5 9 5 1 63 2 5 63 63 3 21 3 60 867 5 7 237 21 237 21 217 7 5 225 9 325 725 5 20 0 18 5 21752 5 237 21 1 1 600007064197 5 Electrical Part ...

Страница 26: ...RP 5 0 1 7 7 RPSUHVVRU DQG HDWHU 9 1 7521 3 16 21 9 9 60000706165507 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 20 11 5 208 3 7 6 1625 7 03 6 1625 7 03 6 1625 7 03 57 57 57 6 1625 N N N 9 28778 2875220 86...

Страница 27: ...DQG HDWHU 7 1 1 8 1 1 1 7 6 1 600007064438 5 Electrical Part These wiring diagrams are subject to change without notice please refer to the one supplied with the unit 3VIR18HP230V1AO 3VIR24HP230V1AO 9 9 3 16 21 7521 9 2 7 50 1 7 03 6 1625 867 7 03 6 1625 2875220 28778 7 03 6 1625 8 203 9 203 6 7 29 B 203 5 57 20B 11 5 9 8 8 8 9 5 1 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...

Страница 28: ...terface 1 2 Live wire 10 Interface of display board 3 Neutral wire 11 Interface of temperature sensor 4 Communication wire 12 Door control 5 DC fan interface 13 Wired controller 6 Interface of cold plasma 14 Earthing wire 7 Left right swing interface 15 Terminal of live wire 8 Up down swing interface 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Страница 29: ...nal o Top view Bottom view 3VIR09HP230V1AO 3VIR12HP230V1AO 5 Electrical Part No Name No Name 1 Interface of compressor wire 8 Communication wire 2 Reactor wiring terminal 2 9 Live wire 3 Reactor wiring terminal 1 10 Terminal of electronic expansion valve 4 Terminal of chassis electric heater 11 Interface of temperature sensor 5 4 way valve terminal 12 Overload interface of compressor 6 Grounding w...

Страница 30: ...e 4 Terminal of power supply live wire 10 Compressor wiring terminal 5 Terminal of power supply neutral wire 11 Reactor wiring terminal 6 Communication wire 12 Terminal of electric heating for chassis 5 Electrical Part Top view Bottom view 1 2 3 4 5 6 8 7 9 10 11 12 No wire te 5 4 Termin 6 1 4 way 2 Termin 3 Groun Termin neutra Comm 7 Termin tempe 8 Compr protec 9 Interfa expans 10 Compr 11 Reacto...

Страница 31: ...l of electric heating for compressor 3 Compressor overload protection terminal 11 Terminal of electric heating for chassis 4 Terminal of temperature sensor 12 Communication terminal 5 Terminal of electronic expansion valve 13 Terminal of live wire 6 Terminal of system low pressure protection 14 Terminal of earthing wire 7 Terminal of fan 15 Terminal of netural wire 8 4 way valve terminal 2 1 3 4 6...

Страница 32: ...o adjust set temperature Press FAN button to adjust fan speed Press button to adjust fan blowing angle When selecting dry mode the air conditioner operates at low speed under dry mode Under dry mode fan speed can t be adjusted Press button to adjust fan blowing angle When selecting fan mode the air conditioner will only blow fan no cooling and no heating Press FAN button to adjust fan speed Press ...

Страница 33: ...e 2s to set your required swing angle When reaching your required angle release the button Notice may not be available When air conditioner receives this signal the air conditioner will blow fan automatically Press this button continuously for more than 2s the main unit will swing back and forth from up to down and then loosen the button the unit present position of guide louver will be kept immed...

Страница 34: ...ime 1hour will be automatically increased at the timer position on the remote control that are 2hours or 3hours or 8hours the place of setting temperature 88 will display the corresponding temperature of last setting sleep curve and blink 4 Repeat the above step 2 3 operation until 8 hours temperature setting finished sleep curve setting finished at this time the remote controller will resume the ...

Страница 35: ...can t be adjusted Press TURBO button and the remote controller won t send signal Sleep function and 8 C heating function can t operate at the same time If 8 C heating function has been set under heat mode press sleep button will cancel 8 C heating function If sleep function has been set under heat mode start up the 8 C heating function will cancel sleep function Under F temperature display the rem...

Страница 36: ...it during operation Replace new batteries of the same model when replacement is required When you don t use remote controller for a long time please take out the batteries If the display on remote controller is fuzzy or there s no display please replace batteries Emergency operation If remote controller is lost or damaged please use aux button to turn on or turn off the air conditioner The operati...

Страница 37: ...REE 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 GREE App Download Linkage iOS system Support iOS7 0 and above version Android system Support Android 4 4 and above version Internet Cellular Other Wi FI Home Wi Fi Home wireless router Home Wi Fi Gree Gree Cloud...

Страница 38: ...talled 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 6 3 Ewpe Smart App Operation Manual 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 Clo...

Страница 39: ... buzzer will give out a beep 2 Auto button If press this auto button when turning off the unit the complete unit will operate at auto mode Indoor fan operates at auto fan speed and swing function is turned on Press this auto button at ON status to turn off the unit 3 Auto fan Heating mode During auto heating mode or normal heating ode auto fan speed will adjust the fan speed automatically accordin...

Страница 40: ...mote 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 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 speed Temperature setting range is 16 30O C 12 Off peak energization functio...

Страница 41: ...from heating mode 4 way valve will be power off 2min after compressor stops working compressor is in operation status under heating mode 5 When Toutdoor ambient temperature 30o C compressor stops operation immediately Outdoor fan will stop 30s later 6 Under the condition that compressor is turned on when unit is changed to heating mode from cooling or drying mode 4 way valve will be energized in 2...

Страница 42: ...prolong the wire by yourself 11 For the air conditioner without plug an air switch must be installed in the circuit The air switch should be all pole parting and the contact parting distance should be more than 3mm 12 Make sure all wires and pipes are connected properly and the valves are opened before energizing 13 Check if there is electric leakage on the unit body If yes please eliminate the el...

Страница 43: ...ure 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 make sure that ...

Страница 44: ...ectronic leakage detector Pipe pliers Pipe pliers Pipe cutter Screw driver Universal meter Vacuum pump Pipe bender Pipe expander Impact drill Drill head Electric drill Torque wrench Open end wrench Inner hexagon spanner Pressure meter Electronic scale Refrigerant container Soldering appliance 7 Notes for Installation and Maintenance ...

Страница 45: ...pace to the obstruction At least 12 in Space to the obstruction At least 20 in Space to the obstruction At least 80 in At least 6 in At least 72 in Space to the ceiling Space to the wall At least 6 in At least 120 in Space to the obstruction Space to the floor At least 6 in to the wall Space 8 Installation Space to the wall At least 6 in ...

Страница 46: ... and hang the indoor 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 uni...

Страница 47: ...articles in 1 Please contact the local agent for installation 2 Don t use unqualified power cord Note No Name 1 Indoor unit 2 Outdoor unit 3 Connection pipe 4 Drainage pipe 5 Wall mounting frame 6 Connecting cable power cord 7 Wall pipe 8 Sealing gum 9 Wrapping tape 10 Support of outdoor unit 11 Fixing screw 12 Drainage plug cooling and heating unit 13 Owners manual remote controller unit 4 Make s...

Страница 48: ...how in Fig 3 2 When selecting leading out the pipe from left or right please cut off the corresponding hole on the bottom case As show in Fig 4 Fig 3 Left Rear left Right Rear right Fig 4 Cut off the hole Left Right 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to...

Страница 49: ...n take down the cover As show in Fig 11 Panel Screw Wiring cover Fig 11 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 As show in Fig 12 Cable cross hole Power connection wire Fig 12 3 Remove the wire clip connect the power connection wiresignal control wire only for cooling and heating unit to the wiring termina...

Страница 50: ... signal control wire only for cooling and heating unit to the wiring terminal according to the color fix them with screws As show in Fig 23 Fig 23 cable cross plate sub assy L1 L2 black Indoor unit connection green yellow green black brown green white blue yellow green L2 L1 POWER white blue red brown N 1 2 3 09K 12K 230V 3VIR09HP115V1AO 3VIR12HP115V1AO 18K 24K 230V L1 L2 black Indoor unit connect...

Страница 51: ...e than 3min If there are air bubbles coming out of this position There s a leakage 8 8 Check after Installation and Test operation 1 Check after Installation Check according to the following requirement after finishing installation NO Items to be checked Possible malfunction 1 Has the unit been installed firmly The unit may drop shake or emit noise 2 Have you done the refrigerant leakage test It m...

Страница 52: ... Communication Malfunction E6 During cooling operation compressor stops while indoor fan motor operates During heating operation the complete unit stops Refer to the corresponding malfunction analysis 6 High temperature resistant protection E8 During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit stops Refer to the malfunction analys...

Страница 53: ...nsor is open short circuited F4 During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation Outdoor temperature sensor hasn t been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 16 Outdoor discharge temperature sensor is open short circuited F5 During cool...

Страница 54: ...of position L and N on wiring board XT if the voltage is higher than 150VAC 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 it s normal There s malfunction for the circuit please replace the control panel AP1 23 Compressor Min frequence in test state P0 Showing during min ...

Страница 55: ... malfunction analysis discharge protection overload 32 IPM protection H5 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 33 Module temperature is too high P8 D...

Страница 56: ...r compressor U1 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 43 Malfunction of voltage dropping for DC bus bar U3 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Supply voltage is...

Страница 57: ...ection board is not good 48 Refrigerant recovery mode Fo Refrigerant recovery The Serviceman operates it for maintenance 49 Undefined outdoor unit error oE Cool compressor and outdoor fan stops operation while indoor fan operates Heat compressor outdoor fan and indoor fan stop operation 1 Outdoor ambient temperature exceeds the operation range of unit eg less than 20o C or more than 60o C for cool...

Страница 58: ...ble causes insufficient or too much refrigrant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunction of protector Processing method adjust refrigerant amount replace the capillary replace the compressor use universal meter to check if the contactor of compress or is fine when it is not overheated if no...

Страница 59: ...del Insert the jumper cap tightly Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace the mainboard with the same model End Yes Yes Yes Yes Yes No No No No No 1 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 Detection cir...

Страница 60: ...sure the voltage between COM and N of the control board of outdoor unit DC notch about 56V Start Y Y Y Y Y Y Y N N N N N N If the unit is operation normal before malfunction Check connection wire of indoor and outdoor unit with circuit diagram Connection correct Check connection wire of indoor and outdoor unit with circuit diagram If the malfunction is removed Problem of communication circuit Chec...

Страница 61: ...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 measuring meter Whether the resi...

Страница 62: ...or 20min N N N Y N N Replace control board AP1 End Remove malfunction Check refrigerant if there is leakage please refer to specification Remove malfunction Replace overload protector SAT Replace EKV coil of electron expansion valve The resistance value of first 4 lead foot and the fifth lead foot is similar less than 100Ω Connect wire well with wiring diagram If the wiring terminal FA of electron...

Страница 63: ...ontroller 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 due to trip over of the parts Is the temperature sensor normal according to the resistance tab...

Страница 64: ...ent temperature higher than 53 Normal protection Please operate it when the outdoor ambient temperature is improved Is the radiation of indoor unit After the complete unit is disconnected from the power for 20mins and outdoor unit is not good Improve the unit s radiation environment Check whether the fan terminal OFAN is connected well Check whether the outdoor Measure any two terminal with the oh...

Страница 65: ... slowly 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...

Страница 66: ...alfunction diagnosis process No Yes No No Yes Yes Yes No 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 Replace the control panel AP1 If the fault is eliminated Connect the wires as per the connection diagram Replace the compressor End 9 Maintena...

Страница 67: ... Start to run until the power resume normal voltage Charge the refrigerant with service manual Replace compressor Remove malfunction Replace control board AP1 Connect wire well If the compressor wire COMP UVW is well connected the connection sequenceforwards to clockwise direction If the input voltage of unit is normal If the refrigerant is too much Replace control board AP1 Remove malfunction Rep...

Страница 68: ...ompressor 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 b...

Страница 69: ...onnection of 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...

Страница 70: ...tage Turn off the power and maintain the Measure the AC voltage between terminal L and terminal N of wiring board XT power supply to make the voltage resume to 10 of rated voltage Is the voltage is within 10 of rated voltage Put through the power and turn on the unit again Eliminate malfunction Check the connection status of reactor L in the electric wiring diagram Connect the wires of reactor L a...

Страница 71: ...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 Yes Yes No 13 Malfunction of detecting plate WIFI JF 9 Maintenance ...

Страница 72: ... details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner can t be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver can t Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug After ...

Страница 73: ...eplace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor can t 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 ...

Страница 74: ...t upwards to let the clasp at the top part of the filter loose push it forwards and then the filter can be pulled out 2 Remove upper and lower guide louver Push out the plug pin on upper and lower guide louver Bend the guide louver with hand and then separate the guide louver from the crank shaft of step motor to remove it 11 1 Removal Procedure of Indoor Unit Caution discharge the refrigerant com...

Страница 75: ...rews on the electric box cover 2 to remove the electric box cover 2 5 Remove front case sub assy a Remove the screws fixing front case Note 1 Open the screw caps before removing the screws around the air outlet 2 The quantity of screws fixing the front case sub assy is different for different models Loosen the clasps at left middle and right sides of front case Life the front case sub assy upwards...

Страница 76: ...nal of power cord Lift up the main board and take it off Instruction Some wiring terminal of this products is with lock catch and other devices The pulling method is as below 1 Remove the soft sheath for some terminals at first hold the circlip and then pull out the terminals 2 Pull out the holder for some terminals at first holder is not available for some wiring terminal hold the connector and t...

Страница 77: ...e connection pipe clamp and then remove the connection pipe clamp First remove the left side of evaporator from the groove of bottom shell and then remove the right side from the clasp on the bottom shell Adjust the position of connection pipe on evaporator slightly and then lift the evaporator upwards to remove it b c d Clasp Connection pipe 11 Removal Procedure ...

Страница 78: ...move 3 screws fixing motor clamp and then remove the motor clamp Loose the screws 2 3 circles used for fixing the cross flow fan pull right to pull out the motor b 9 Remove swing motor Screw off the screws that are locking the swing motor and take the motor off Screw Screw Screws 11 Removal Procedure ...

Страница 79: ...ve the cover 2 Remove top cover Remove connection screws connecting the top panel with the front panel and the right side plate and then remove the top panel 3 Remove grille protective 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 an...

Страница 80: ... then remove them 5 Remove axial flow blade Remove the nut fixing the blade and then remove the axial flow blade 6 Remove motor and motor support Remove the screws fixing motor and then remove the motor Remove the screws fixing motor support and then remove the motor support left side plate right side plate axial flow blade motor support motor 11 Removal Procedure ...

Страница 81: ... so hard 8 Remove clapboard Remove the screws fixing clapboard and then remove the clapboard 9 Remove 4 way valve assy Unsolder the welding joints connecting the 4 way valve assy with capillary sub assy compressor and condenser remove the 4 way valve Cooling only unit removes Discharge Tube and Inhalation Tube Note Before unsoldering the welding joint wrap the 4 way valve with a wet cloth complete...

Страница 82: ...lder the welding joint connecting the liquid valve and Y shaped pipe remove the 2 screws fixing the liquid valve to remove the liquid valve Note Before unsoldering the welding joint wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high temperature 11 Remove compressor Remove the 3 footing screws of the compressor and remove the compressor Remove the screws fixi...

Страница 83: ...isassamble b 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 2 Remove top cover Remove the screws fixing top panel and then remove the top panel Cable cross plate 2 Valve Cover Top cover 11 Removal Procedure ...

Страница 84: ... the chassis and the motor support and then remove the front panel Remove the screws fixing protective grille and then remove the protective grille 4 Remove right side plate and left side plate Remove the screws fixing right side plate and left side plate and then remove them 5 Remove axial flow blade Remove the nut fixing the blade and then remove the axial flow blade Grille Panel Protective gril...

Страница 85: ...rt 7 Remove electric box assy Remove the screws fixing electric box assy cut off the tieline pull out each wiring terminal lift the electric box assy upwards to remove it Note When pulling out the wiring terminal pay attention to loose the clasp and don t pull it so hard 8 Remove clapboard Remove the screws fixing clapboard and then remove the clapboard Motor Motor support Electric box assy Clapbo...

Страница 86: ...condenser unsolder the welding joint connecting the gas valve and air return pipe Remove the 2 screws fixing the gas valve to remove the gas valve Unsolder the welding joint connecting the liquid valve and Y shaped pipe remove the 2 screws fixing the liquid valve to remove the liquid valve Note Before unsoldering the welding joint wrap the gas valve with a wet cloth completely to avoid damage to t...

Страница 87: ...e big handle Remove the screw connecting the valve cover and right side plate and then remove the valve cover b Remove the screws connecting the top cover with outer case right side plate and left side plate lift the top cover upwards to remove it 2 Remove grille and outer case Remove the 4 screws connecting the grille and outer case and then remove the panel grille Big handle Valve cover Top cove...

Страница 88: ...ight side plate and left side plate and then remove the outer case 3 Remove right left side plate a Remove the screws connecting the right side plate with electric box assy valve support chassis and condenser side plate and then remove the right side plate b Remove the screws connecting the left side plate with chassis and then remove the left side plate Outer case Right side plate Left side plate...

Страница 89: ... and then remove the motor Remove the 2 screws connecting the motor support and chassis and then loosen the stopper to remove the motor support 5 Remove electric box Remove the screws fixing the electric box sub assy loosen the wire bundle pull out the wiring terminals and then pull the electric box upwards to remove it Axial flow fan Motor support Electric box Fan motor 11 Removal Procedure ...

Страница 90: ...ng the 4 way valve assy with capillary sub assy compressor and condenser remove the 4 way valve Note Before unsoldering the welding joint wrap the 4 way valve with a wet cloth completely to avoid damage to the valve caused by high temperature 8 Remove compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion Note Keep the ...

Страница 91: ...b assy a Remove the screws connecting the support condenser and condenser assy and then remove the support condenser b Remove the 2 screws fixing the condenser and chassis and then lift the condenser upwards to remove it Support Condenser sub assy Chassis sub assy 11 Removal Procedure ...

Страница 92: ...upward to remove it Loosen the screws fixing the valve cover and then remove it 2 Remove top cover Remove connection screws connecting the top cover plate with the front panel and the right side plate and then remove the top cover 3 Remove front grill Remove the screws connecting the front grill and the front panel Remove the front grill top panel grille handle valve cover 11 Removal Procedure ...

Страница 93: ...ase and chassis and then remove the front side plate b Remove screws fixing front panel chassis and motor support and then remove the front panel 5 Remove right side plate Remove screws connecting right side plate and chassis valve support and condenser and then remove the right side plate front side plate front panel right side plate 11 Removal Procedure ...

Страница 94: ...ixing electric box cut off the tielien with scissors pull out the wiring terminal and then lift up the electric box to remove it Twist off the screws on fireproof electric box and then remove the fireproof electric box 8 Remove motor and motor support Twist off the tapping screws fixingthe motor pull out the pin of leading wire for motor and then remove the motor axial flow blade electric box moto...

Страница 95: ...n sheet Twist off the screws connecting isolation sheet and end plate of condenser and chassis and then remove the isolation sheet 10 Remove 4 way valve Unsolder the pipe line between compressor condenser gas and liquid valve and then remove the 4 way valve note release all refrigerant before unsoldering motor support isolation sheet 4 way valve Capillary Sub assy 11 Removal Procedure ...

Страница 96: ...loth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection pipe of liquid valve and then remove the liquid valve 12 Remove compressor Twist off the 3 foot nuts on compressor and then remove the compressor 13 Remove left side plate Twist off the screws connecting the left side plate and chassis with s...

Страница 97: ...94 Installation and Maintenance Service Manual Step Procedure 14 Remove condenser sub assy Remove the chassis sub assy and condenser sub assy chassis sub assy 11 Removal Procedure ...

Страница 98: ...rature Conversion formula for Fahrenheit degree and Celsius 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...

Страница 99: ...ps B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe A is different according to the diameter please refer to the sheet below Outer diameter mm in A mm in Max Min Ф6 6 35 1 4 1 3 05 0 7 03 Ф9 52 3 8 1 6 06 1 0 04 Ф12 12 70 1 2 1 8 07 1 0 04 Ф16 15 88 5 8 2 4 1 2 2 09 Appendix 3 Pipe Expanding Method Note Note D Put on...

Страница 100: ...Sensors for Indoor and Outdoor 20K Resistance Table of Discharge Temperature Sensor for Outdoor 50K Temp o C Resistance kΩ Temp o C Resistance kΩ Temp o C Resistance kΩ Temp o C Resistance kΩ 19 181 40 20 25 01 60 4 95 100 1 35 15 145 00 25 20 00 65 4 14 105 1 16 10 110 30 30 16 10 70 3 48 110 1 01 5 84 61 35 13 04 75 2 94 115 0 88 0 65 37 40 10 62 80 2 50 120 0 77 5 50 87 45 8 71 85 2 13 125 0 67...

Страница 101: ...huhai 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 JF00304543 CAT NO GREE_VIREO GEN3_SERVICE_07192021 ...

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