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Service Manual

Change for life

GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Models:

GWH09AKC-K6DNA1A

GWH12AKC-K6DNA1A

GWH18AKC-K6DNA1A

(R32)

Summary of Contents for GWH09AKC-K6DNA1A

Page 1: ...Service Manual Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI Models GWH09AKC K6DNA1A GWH12AKC K6DNA1A GWH18AKC K6DNA1A R32...

Page 2: ...Diagram 10 5 Electrical Part 11 5 1 Wiring Diagram 11 5 2 PCB Printed Diagram 13 6 Function and Control 17 6 1 Remote Controller Introduction 17 6 2 GREE App Operation Manual 21 6 3 Ewpe Smart App Op...

Page 3: ...n 46 9 3 Troubleshooting for Normal Malfunction 60 10 Exploded View and Parts List 62 10 1 Indoor Unit 62 10 2 Outdoor Unit 66 11 Removal Procedure 70 11 1 Removal Procedure of Indoor Unit 70 11 2 Rem...

Page 4: ...code Indoor model Indoor product code Outdoor model Outdoor product code Remote Controller 1 GWH09AKC K6DNA1A CB340000100 GWH09AKC K6DNA1A I CB340N00100 GWH09AKC K6DNA1A O CB340W00100 YAA1FB11 2 CB34...

Page 5: ...DNA1A I Product Code CB340N00100 CB340N00101 CB340N00200 CB340N00201 Fan Type Cross flow Cross flow Fan Diameter Length DXL mm 120 650 120 650 Cooling Speed r min 1200 1050 950 900 750 600 550 450 130...

Page 6: ...ondenser Rows fin Gap mm 2 5 1 4 2 5 1 4 Condenser Coil Length LXDXW mm 733 57 550 733 57 550 Fan Motor Speed rpm 900 900 Fan Motor Power Output W 30 30 Fan Motor RLA A 0 37 0 37 Fan Motor Capacitor F...

Page 7: ...WH18AKC K6DNA1A I Product Code CB340N00300 Fan Type Cross flow Fan Diameter Length DXL mm 120 650 Cooling Speed r min 1300 1100 1000 900 800 650 600 550 Heating Speed r min 1350 1200 1050 950 900 800...

Page 8: ...ndenser Coil Length LXDXW mm 935 38 1 660 Fan Motor Speed rpm 800 Fan Motor Power Output W 60 Fan Motor RLA A 0 65 Fan Motor Capacitor F Outdoor Unit Air Flow Volume m3 h 3200 Fan Type Axial flow Fan...

Page 9: ...tion pipe length 5m Heating Rated cooling condition C 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 F...

Page 10: ...ide noise when blowing Indoor fan motor rotating speed 45 50 Noice dB A SL L ML M MH H SS 9K Heating 9K Cooling 12K Heating 18K Heating 12K Cooling 18K Cooling 46 48 50 52 54 56 58 60 62 20 30 40 50 6...

Page 11: ...8 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 3 2 Outdoor Unit Unit mm 596 354 838 818 899 303 378 490 Unit mm 977 295 542 228 281 207 281 127 49 55 9 12K...

Page 12: ...9 Technical Information Service Manual 340 897 965 700 396 560 364 Unit mm 18K...

Page 13: ...Liquid pipe 1 4 6mm Gas pipe 9 12K 3 8 9 52mm 18k 1 2 12mm Indoor unit COOLING 4 Way valve HEATING Discharge Outdoor unit Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve side Li...

Page 14: ...COM OUT BU BN M1 RT1 RT2 PE DC MOTOR T SENSOR SWING LR1 E TEST COM AC L SWING LR2 M3 M2 SWING UD PUSH M5 M6 M4 AP2 DISP1 AP3 COM PC AP4 CONNECTION BOARD AP5 M7 J1 DISPLAY HUMAN COM TRANS COM MAIN N N1...

Page 15: ...TECTOR OVERLOAD RD OVC COMP SAT RD L3 W V U COMP COMP W V U X1 BU YE RD MAGNETIC RING POWER L N YEGN BU BN BK YEGNYEGN ELECTRICAL BOX PE BU YE RD L4 600007061430 COM_INNER W V U PRINTED CIRCUIT BOARD...

Page 16: ...vice 2 Communication terminal of indoor unit and outdoor unit 3 Fuse 4 Live wire terminal 5 Grounding wire interface 6 DC motor terminal 7 Up down swing and out pushing mechanism 8 Up down swing 1 9 U...

Page 17: ...WIFI detection interface 2 Main board interface 3 Auto button 4 Connection board interface No Name 1 Display board interface 2 Human body indubtion meter interface 1 2 No Name 1 Connection board inte...

Page 18: ...Reactor wiring terminal 2 3 Reactor wiring terminal 1 4 Terminal of chassis electric heater 5 4 way valve terminal 6 Grounding wire 7 Neutral wire 8 Communication wire 9 9 Live wire 10 Terminal of ele...

Page 19: ...No Name 1 Interface of compressor wire 2 Overload interface of compressor 3 Interface of temperature sensor 4 Terminal of electronic expansion valve 5 Terminal of outdoor fan 6 4 way valve terminal 7...

Page 20: ...button mode button Up and down fixed angle button health button light button sleep button Set fan speed Set time TIMER ON TIMER OFF Up down swing Left right swing Set temp Indoor ambient temp Heat mo...

Page 21: ...the circula tion change is as follow 7 SWING Press this button to start display icon or shut down no display icon left and right swing function Remark according to the comfort demand of air supply th...

Page 22: ...leep setting status as the fig shown 2 Adjust or button to change the corresponding set temperature after that press U D FIXED ANGLE button for confirmation to set temperature for the next hour until...

Page 23: ...itioner will give out a sound 1 Press the back side of remote controller marked with as shown in the fig and then push out the cover of battery box along the arrow direction 2 Replace two 7 AAA 1 5V d...

Page 24: ...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...

Page 25: ...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...

Page 26: ...ion with power indicator on on for 10s and off for 0 5s with blinking circulation display Protection functions for the inverter model please refer to the instructions of outdoor unit 4 Fan mode Under...

Page 27: ...the surrounding where people stay When the air reaches the position when people stay it will pass through quickly 1 2 Nobody energy saving function After setting nobody energy saving function with mob...

Page 28: ...status of stillness and less activities The back of people faces the I Sense device Bared skin of people is little People s movement is shielded by high furnitures etc When people are putting on thick...

Page 29: ...Tindoor ambient temperature Tcompensation 1 unit operates according to the previous status When Tpreset Tindoor ambient temperature Tcompensation 2 compressor stops operation and outdoor fan will sto...

Page 30: ...details When power on communication light will be blinking in a normal way after receiving a group of correct signals blinking stops for 0 2s 0 3s If there s no communication communication light will...

Page 31: ...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...

Page 32: ...he unit at the place where there may be leaked corrosive gas or flammable gas If there leaked gas around the unit it may cause explosion and other accidents 7 Do not use extension cords for electrical...

Page 33: ...process Check whether there is fire source or potential fire source in the maintenance area The naked flame is prohibited in the maintenance area and the no smoking warning board should be hanged Che...

Page 34: ...Electroprobe 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 wre...

Page 35: ...At least 30cm At least 30cm Space to the wall Drainage pipe Space to the obstruction At least 50cm At least 15cm At least 50cm Space to the obstruction 3 Space to the ceiling uc At least 0cm At least...

Page 36: ...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...

Page 37: ...rounding with specialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grou...

Page 38: ...t Mark in the middle of it Level meter Rear piping hole Wall Space to the wall above 150mm Space to the wall above 150mm 55mm Drain hose Tape Outlet pipe Insulating pipe Torque wrench Open end wrench...

Page 39: ...hem pass through the wall hole 2 Hang the indoor unit on the wall mounting frame 3 Stuff the gap between pipes and wall hole with sealing gum 4 Fix the wall pipe As show in Fig 14 5 Check if the indoo...

Page 40: ...wall height of drain hose shouldnt be higher than the outlet pipe hole of indoor unit As show in Fig 23 2 Slant the drain hose slightly downwards The drain hose can t be curved raised and fluctuant et...

Page 41: ...drained well It may cause condensation and water dripping 5 Is the voltage of power supply according to the voltage marked on the nameplate It may cause malfunction or damage the parts 6 Is electric...

Page 42: ...rotection E5 During 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...

Page 43: ...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...

Page 44: ...ltage is higher 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...

Page 45: ...sor circuit P7 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 30 Module h...

Page 46: ...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...

Page 47: ...n on outdoor units control panel AP1 please replace the outdoor units control panel AP1 46 The four way valve is abnormal U7 If this malfunction occurs during heating operation the complete unit will...

Page 48: ...is failed 1 Model without I Sense detection device if this malfunction is reported please check if the selected jumper cap is correct 2 Model with I Sense detection device connection failure between...

Page 49: ...ce the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfunction...

Page 50: ...n indoor fan and main board is loose Turn unit on to check whether the malfunction is eliminated Turn unit on to check whether the malfunction is eliminated Reinsert the wiring terminal of indoor fan...

Page 51: ...r cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfunction eliminated no no yes Is malfunction eliminated no yes Replace the mainboard with the same mod...

Page 52: ...and outlet blocked Normal fluctuation is within 10 of the rated voltage on the nameplate Malfunction is eliminated no yes no yes no yes no no no yes no yes no yes yes yes yes yes yes yes Malfunction i...

Page 53: ...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...

Page 54: ...e unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defined...

Page 55: ...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...

Page 56: ...200V Fault with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Voltage within 210VAC 250VAC Measure the AC voltage between terminalL andN on wiring board XT power supp...

Page 57: ...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 the...

Page 58: ...ent temperature higher than 53 Overheat and high temperature protection 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protec...

Page 59: ...for compressor stopping enough Fault diagnosis process Y N Y N N Is stop time of the compressor longer than 3 minutes Y Y N Power on the unit Restart it up after 3 minutes Does startup fail Are the w...

Page 60: ...wires for the compressor connected 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 elimin...

Page 61: ...cess 20 minutes after the complete unit is powered off Connect the wires correctly Is the terminal FA for the electronic expansion valve connected correctly Replace the electronic expansion valve If t...

Page 62: ...ipment operate normally before the failure occurs The AP1 voltage detection circuit is at fault units Check wiring inside of the indoor and outdoor Are wires broken If the fault is eliminated Check th...

Page 63: ...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...

Page 64: ...ipe 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 Discriminating m...

Page 65: ...View and Parts List 10 1 Indoor Unit The component picture is only for reference please refer to the actual product 1 2 3 4 7 8 9 10 11 15 15 1 16 17 18 21 22 23 24 25 26 27 28 29 30 31 32 33 33 1 35...

Page 66: ...t Side Plate 200085060002 20008506000201P 1 18 Mouseproof Board 200071060001 200071060001 1 19 Fan Motor 15012466 15012466 1 20 Motor Press Plate 200020060001 200020060001 1 21 Connecting pipe clamp 2...

Page 67: ...t Side Plate 200085060002 20008506000201P 1 18 Mouseproof Board 200071060001 200071060001 1 19 Fan Motor 15012466 15012466 1 20 Motor Press Plate 200020060001 200020060001 1 21 Connecting pipe clamp 2...

Page 68: ...ir Louver right 200007060010 1 17 Left Side Plate 200085060002 1 18 Mouseproof Board 200071060001 1 19 Fan Motor 15012466 1 20 Motor Press Plate 200020060001 1 21 Connecting pipe clamp 24242024 1 22 E...

Page 69: ...stallation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product 11 2 7 4 6 5 3 1 8 10 9 16 12 13 14 15 17 18 19 20 21 22 23 9...

Page 70: ...P 012049000006P 1 9 Drainage Joint 26113009 26113009 1 10 Clapboard Sub Assy 01233201 01233201 1 11 Condenser Assy 011002060989 011002060989 1 12 Electric Expand Valve Fitting 4300034401 4300034401 1...

Page 71: ...68 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product 18K...

Page 72: ...Valve Cover 22245002 1 14 Handle 2623305301 1 15 Wire Clamp 71010003 1 16 Rear Grill 01475020 1 17 Electronic Expansion Valve assy 03017400002801 1 18 Condenser Assy 011002000177 1 19 Clapboard Sub A...

Page 73: ...f horizontal louver sub assy to make the horizontal louver separate from the motor shaft 2 Remove panel Slightly push the panel rotation shaft to separate it from the hole of panel case and then remov...

Page 74: ...ont case assy 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 subassy is different for di...

Page 75: ...ove the decorative plate Remove the screw fixing the detection board remove the wiring terminal of detection board and then remove the detection board Disconnect the conversion board wiring teminal in...

Page 76: ...ire binder and pull out the indoor tube temperature sensor Screw off two grounding screw Remove the room temperature sensor Remove the wiring terminals of motor left right swing motor up down swing mo...

Page 77: ...ice prevention board and then remove them Loosen the clasp of connection pipe clamp and then remove the connection pipe clamp Remove the screw fixing the evaporator push the motor clamp rightwards to...

Page 78: ...and cross flow blade Remove 4 screws fixing motor clamp and then remove the motor clamp Remove the at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to...

Page 79: ...te the hook in the drain pipe make the hook separate from the bottom plastic pole and then pull out the drain pipe 9 Remove Swing motor Loosen the screws fixing the left right swing motor and then rem...

Page 80: ...Steps 1 Remove big handle 2 Remove top cover big handle top cover Before disassamble valve cover Remove the screws fixing top panel and then remove the top panel Remove the screws fixing big handle va...

Page 81: ...le Remove the screws fixing right side plate left side plate and then remove them panel Remove connection screws between the front grille and the front panel Then remove the front grille Remove connec...

Page 82: ...then remove the clapboard Remove the screws fixing motor and then remove the motor Remove the screws fixing motor support and then remove the motor support Procedure Step Remove the screws fixing elec...

Page 83: ...e with a wet cloth completely to avoid damage to the valve caused by high temperature Procedure Step 4 way valve assy liquid valve gas valve compressor valve support Unsolder the welding joint connect...

Page 84: ...anel top panel the 3 screws connecting the top panel with the front panel and the right side plate and then remove the top panel 2 Remove grille panel and rear grill Remove the 2 screws connecting the...

Page 85: ...and then remove the panel 3 Remove left side plate and right side plate Remove the screws t h g i r e h t g n i t c e n n o c side plate with the chassis the valve support and the electric box and th...

Page 86: ...the wiring terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove...

Page 87: ...efully soundproof sponge 7 Remove Isolation sheet t e e h s n o i t a l o s i e h t g n i x i f s w e r c s 3 e h t e v o m e R and then remove the Isolation sheet Isolation sheet 8 Remov e 4 way valv...

Page 88: ...essor Remove the screws connecting the support condenser and condenser assy and then remove the support condenser 9 Remove compressor compressor 10 Remove condenser sub assy a support Electron expansi...

Page 89: ...onnection pipe For the unit with standard connection pipe of 5m there is no limitation for themin length of connection pipe For the unit with standard connection pipe of 7 5m and 8m the min length of...

Page 90: ...llowing steps 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...

Page 91: ...ature Sensors for Indoor and Outdoor 20K Resistance Table of Discharge Temperature Sensor for Outdoor 50K Temp o C Resistance k Temp o C Resistance k Temp o C Resistance k Temp o C Resistance k 19 181...

Page 92: ...6 756 8669426 E mail gree gree com cn www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Tower 132 Nathan Road TST Kowloon HK Tel 852 31658898 Fax 852 31651029 Fo...

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