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Installation and Maintenance

Service Manual

5. 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.

Correct connection?

Main board matches

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?

Yes

Содержание KW09HQ3D6D Series

Страница 1: ...Service Manual Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI Models KW09HQ3D6D KW12HQ3D6D KW18HQ3D6D KW24HQ3D6D Refrigerant R410A...

Страница 2: ...Outdoor Unit 10 4 Refrigerant System Diagram 11 5 Electrical Part 12 5 1 Wiring Diagram 12 5 2 PCB Printed Diagram 15 6 Function and Control 19 6 1 Remote Controller Introduction 19 6 2 GREE App Oper...

Страница 3: ...roubleshooting 48 9 3 Troubleshooting for Normal Malfunction 61 10 Exploded View and Parts List 63 10 1 Indoor Unit 63 10 2 Outdoor Unit 69 11 Removal Procedure 73 11 1 Removal Procedure of Indoor Uni...

Страница 4: ...nformation Service Manual 1 Summary Indoor Unit Outdoor Unit Remote Controller Part Technical Information KW18HQ3D6DO KW24HQ3D6DO KW09HQ3D6D KW12HQ3D6D KW18HQ3D6DI KW24HQ3D6DI YAG1FB2F WiFi KW09HQ3D6D...

Страница 5: ...ow Cross flow Diameter Length DXL inch 4 1 4X32 11 16 4 3 16X35 Fan Motor Cooling Speed SH H MH M ML L SL Q r min 1400 1300 1200 1100 1000 850 800 600 1500 1300 1100 1000 900 850 800 600 Fan Motor Hea...

Страница 6: ...put of Fan Motor W 90 90 Fan Motor RLA A 0 65 0 65 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 2354 2354 Fan Type Axial flow Axial flow Fan Diameter inch 17 1 4 21 21 32 Defrosting Metho...

Страница 7: ...Cross flow Cross flow Diameter Length DXL inch 4 1 6X27 4 5 4 3 16X27 1 2 Fan Motor Cooling Speed SH H MH M ML L SL r min 1250 1170 1100 1020 960 650 600 1400 1300 1200 1100 1000 900 80 0 550 Fan Mot...

Страница 8: ...18 Coil Length LXDXW inch 30 0X2 1 4X21 7 10 30 0X2 1 4X21 11 16 Fan Motor Speed rpm 800 500 850 Output of Fan Motor W 30 30 Fan Motor RLA A 0 28 0 24 Fan Motor Capacitor F Air Flow Volume of Outdoor...

Страница 9: ...r air flow Super High Pipe length 24 6ft Condition Indoor DB 68 F Indoor air flow Super High Pipe length 24 6ft Compressor Frequency Hz Compressor Frequency Hz Current A Current A Capacity ratio Capac...

Страница 10: ...t 52 57 in 122 176 out 99 109 Suprt High High 58 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 s...

Страница 11: ...Super High Middle High Middle Low High 18K 24K 55 60 45 50 40 30 35 Noise dB A Super Low Middle Low 18 24K 09K 12K 18K 18K 46 48 50 52 54 56 58 60 20 30 40 50 60 70 80 90 100 Compressor frequency Hz N...

Страница 12: ...27 7 21 64 2 3 4 2 3 4 3 Outline Dimension Diagram 3 1 Indoor Unit Unit inch 09 12K 18 24K Models W H D 09 12K 38 13 64 11 13 16 8 5 6 18 24K 42 7 16 12 51 64 9 11 16 W D H 4 27 7 13 64 5 1 2 7 1 2 1...

Страница 13: ...10 Technical Information Service Manual 3 2 Outdoor Unit Unit inch 18 24K 09 12K 14 9 16 31 7 64 16 13 16 15 9 16 39 3 8 24 36 35 3 8 32 3 16 21 2 3 13 1 2 12 23 1 2 14 7 8 Unit inch...

Страница 14: ...E 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction 4 Way valve Electron Strainer Strainer expansion valve Strainer Capillary D Strainer Intercooler INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPO...

Страница 15: ...termine fan speed and the swing angle of horizontal lover for this model 6361000044202 67 33 1 3 2 7 50 1 9 325 725 1 803 3 0 1 2 5 1 1 1 1 1 7 8 20 287 20 0 18 211 725 3 5 02725 287 225 81 7 7 6 1625...

Страница 16: ...0 1 0 1 7 1 5 1 1 8 8 1 1 1 0 18 7 03 6 1625 28778 57 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH YROWDJH RI WHUPLQDO 3 DQG 1 DW 3 LV KLJKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 20B 11 5 9 9 9 9 8...

Страница 17: ...5 97 97 N N N 8 5 1 1 7 7 1 27720 1 7 5 8 9 1 7 5 2035 6625 7 1 1 8 1 0 1 7 5 1 2 7 50 1 7 1 8 5 1 1 1 8 1 1 1 RI HOHFWULF VKRFN 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU...

Страница 18: ...f temperature sensor 7 Terminal for display board connection 8 Terminal of jumper cap 9 Communication wire 10 Connect earthing wire only for the mode with this function 11 Fuse 12 Live wire interface...

Страница 19: ...e protection 3 Terminal of compressor overload protection 4 Terminal of outdoor temperature sensor 5 Terminal of outdoor fan 6 Terminal of 4 way valve 7 Communication wire with indoor unit 8 Power sup...

Страница 20: ...compressor overload protection 4 Low temperature cooling sensor 5 Cooling A valve 6 Cooling B valve 7 Interface of outdoor motor 8 Interface of 2 way valve 9 Interface of 4 way valve 10 Terminal of ch...

Страница 21: ...electronic expansion valver 6 Neutral wire of electric heater for chassis 10 Power supply neutral wire 14 Temp sensor 3 Interface of fan 7 Neutral wire of 4 way valve 11 Power supply live wire 15 Inpu...

Страница 22: ...splay Screen Introduction for Buttons on Remote Controller Note This is a general use remote controller it could be used for the air conditioners with multifunction For some function which the model d...

Страница 23: ...utton OFF 5 TURBO button 5 Under Cool or Heat mode press this button can turn on or turn off the Turbo function After the Turbo function turned on the signal of Turbo will display The signal will Pres...

Страница 24: ...s Attention When displaying the outdoor ambient the displaying range is 0 60 When it goes beyond the range it keeps the threshold data the smallest 0 and the largest 60 Warm tips When operating button...

Страница 25: ...step 2 3 operation until 8hours temperature setting finished Introduction for special function About AUTO RUN When AUTO RUN mode is selected the unit will be in accordance with the room temp automatic...

Страница 26: ...uld be no more than 8m and there should be no obstacles between them remote controller should be close to indoor unit during operation Replace new batteries of the same model when replacement is requi...

Страница 27: ...l 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 For more information please refer to Help in App...

Страница 28: ...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 6 3 Ewpe Smart App O...

Страница 29: ...blink 5 times Antifreezing protection When the antifreezing protection is detected the compressor will stop the outdoor fan will stop after 30 seconds and the indoor fan and swing motor will keep run...

Страница 30: ...ssor and the outer fan will be started the indoor fan will run under preset cold air prevention conditions and H1 will be displayed at temperature display area on the display panel Defrost frequency i...

Страница 31: ...r module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection occurs six times in successio...

Страница 32: ...25 24 25 26 26 26 26 26 25 25 25 26 27 27 27 27 27 26 26 26 27 28 28 28 28 28 27 27 27 28 29 29 29 29 29 28 28 28 29 29 29 29 29 29 28 28 29 30 30 30 30 30 30 29 29 30 30 30 30 30 30 30 29 29 2 In hea...

Страница 33: ...Left Right swing control only for the mode with this function After energization swing motor will firstly have the vertical louver rotate anticlockwise to position O to close air outlet If swing funct...

Страница 34: ...test 12 Drying Function You may start or stop the drying function under the modes of cooling and dehumidify at the starting status The modes of automatism heating and air supply do not have drying fu...

Страница 35: ...the unit adequately grounded The grounding wire can t 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 wi...

Страница 36: ...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...

Страница 37: ...Electroprobe 7 Electronic leakage detector 11 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 12 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wren...

Страница 38: ...5 7 8 At least 5 7 8 At least 98 7 16 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 Space to the floor Space to the obstruction Drainage pipe Space to the wall Space to the obstruction S...

Страница 39: ...or 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 installat...

Страница 40: ...ing Requirement 1 The air conditioner is first class electric appliance It must be properly grounding with specialized grounding device by a professional Please make sure it is always grounded effecti...

Страница 41: ...Bind the joint with tape As show in Fig 9 4 Outlet Pipe 1 The pipe can be led out in the direction of right rear right left or rear left As show in Fig 3 2 When selecting leading out the pipe from le...

Страница 42: ...d 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 ho...

Страница 43: ...The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 3 15 16 inch 2 If the outdoor unit is higher than the wall hole you must set a U...

Страница 44: ...this position there s a leakage 8 7 Vacuum Pumping and Leak Detection 1 Check after Installation Check according to the following requirement after finishing installation 2 Test Operation 1 Preparatio...

Страница 45: ...uring 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 i...

Страница 46: ...nt temperature sensor is open short circuited F3 During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor t...

Страница 47: ...re 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 cool...

Страница 48: ...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 IPM Module of outdoor control panel...

Страница 49: ...nction of mainboard rev detecting circuit 37 Desynchro nizing of compressor H7 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the compl...

Страница 50: ...ng operation the complete unit will stop Replace outdoor control panel AP1 44 Malfunction of voltage dropping for DC bus bar U3 During cooling and drying operation compressor will stop while indoor fa...

Страница 51: ...ard broken Malfunction 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 Y...

Страница 52: ...is eliminated Reinsert the wiring terminal 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 boa...

Страница 53: ...the mainboard 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...

Страница 54: ...the compressor 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 a...

Страница 55: ...board matches 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 diag...

Страница 56: ...of detecting plate WIFI JF Start Is 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 s...

Страница 57: ...alfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Shut down the power and wait 20 minutes or use DC...

Страница 58: ...resume to the 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 th...

Страница 59: ...perature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If the radiating of indoor and outdoor unit is...

Страница 60: ...h and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection situation of out...

Страница 61: ...valve damaged 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...

Страница 62: ...nual Compressor 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...

Страница 63: ...before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detector Malfunction of outdoor...

Страница 64: ...od for 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...

Страница 65: ...n pipe Replace 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 Discriminatin...

Страница 66: ...ion and Maintenance 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 18 24K A1 A5 B6 panel A2 A6 panel A5...

Страница 67: ...an 10352057 10352057 1 19 Fan Motor 15012136 15012136 1 20 Motor Press Plate 26112515 26112515 1 21 Wall Mounting Frame 01252229 01252229 1 22 Connecting pipe clamp 26112514 26112514 1 23 Crank 730120...

Страница 68: ...65 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product 45 09K...

Страница 69: ...1 19 Fan Motor 15012136 1 20 Motor Press Plate 26112511 1 21 Wall Mounting Frame 01362026 1 22 Connecting pipe clamp 2611218801 1 23 Crank 73012005 1 24 Stepping Motor 1521240212 1 25 Drainage Hose 05...

Страница 70: ...67 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product 42 12K...

Страница 71: ...0001401 1 18 Cross Flow Fan 10352060 1 19 Fan Motor 15012136 1 20 Motor Press Plate 26112511 1 21 Wall Mounting Frame 01362026 1 22 Connecting pipe clamp 2611218801 1 23 Crank 73012005 1 24 Stepping M...

Страница 72: ...69 Installation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product 18 24K...

Страница 73: ...enser Support Plate 01175092 01175092 1 14 Clapboard Sub Assy 01235091 01233182 1 15 Condenser Assy 011002000242 011002000340 1 16 Rear Grill 01475013 01475013 1 17 Wiring Clamp 26115004 26115004 1 18...

Страница 74: ...71 Installation and Maintenance Service Manual 10 25 The component picture is only for reference please refer to the actual product 09 12K...

Страница 75: ...1 2 0710307901 0710307901 1 16 4 Way Valve Assy 03073360 03073360 1 17 Magnet Coil 4300008301 4300008301 1 18 Capillary Sub assy 030006060038 03000600305 1 19 Wiring Clamp 26115004 26115004 1 20 Conde...

Страница 76: ...re removal 1 Remove filter assy 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 and right filters one by one Left fi...

Страница 77: ...nt case sub assy and take S wing motor Screw off the screws that are locking the swing motor and take the motor off it out 4 Remove detecting plate and electric box cover2 Remove the screws fixing det...

Страница 78: ...the indoor tube 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 w...

Страница 79: ...lation and Maintenance 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 Gro...

Страница 80: ...77 Installation and Maintenance Service Manual...

Страница 81: ...front side panel Loosen the screws connecting the front side panel and chassis Remove the front side panel valve cover Twist off the screws used for fixing the handle and valve cover pull the handle...

Страница 82: ...then remove the panel Twist off the screws connecting the grille and panel and then remove the grille 5 Remove axial flow blade 6 Remove motor axial flow blade motor Twist off the nuts on blade with...

Страница 83: ...gir eht evome 8 Remove electric box motor support right plate board electric box Remove the scre ws fixing the electric box sub assy loosen the wi re bundle pull out the wi ring terminals and then pul...

Страница 84: ...emove electronic Expansion Valve 4 way valve assy Electronic Expansion Valve Valve support Cut off Valve Remove the 2 bolts fixing the valve subassemblies Unsolder the welding joint connecting the gas...

Страница 85: ...82 Installation and Maintenance Service Manual compressor 12 Remove compressor Twist off the 3 foot nuts on compressor and then remove the compressor Steps Procedure...

Страница 86: ...ecting top cover left and right side plate as well as panel to remove the top cover Remove the screws fixing panel to remove the panel Remove the screws connecting panel grille and panel loosen the cl...

Страница 87: ...ng left side plate and condenser support boa rd to remove the left side plate Remove the screws fixing right side plate and valve support to remove the right side plate Remove the screw nut fixing cro...

Страница 88: ...ff the wiring terminal lift to remove the electric box assy Remove the four tapping screws fixing motor pull out the contact tag of motor wiring to remove the motor Remove the two tapping screws fixin...

Страница 89: ...lash vaporizer assy Remove the screws connecting mid isolation board chassis and condenser assy to remove the mid isolation Welding cut the spot weld of four way valve assy compressor air suction disc...

Страница 90: ...he three feet screwnuts fixing compressor to remove the compressor Remove screws connecting condenser assy and chassis to remove the chassis sub assy Remove screws connecting condenser assy and chassi...

Страница 91: ...ee and Celsius degree Tf Tcx1 8 32 Ambient temperature Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Cel...

Страница 92: ...teps A Cut the pip 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...

Страница 93: ...3 10 63 72 2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0...

Страница 94: ...61 34 13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0...

Страница 95: ...74 62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 129 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 955 12 306 2 27 45 07 66 9 827 105 2 872 11 289 6 28 43 16 67 9 489 106 2...

Страница 96: ...JF00304207...

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