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Service Manual

Table of Contents

Table of Contents

Part

Ⅰ

: Technical Information

.......................................................................1

1. Summary

......................................................................................................................1

2. Specifications

..........................................................................................................2

2.1 Specification Sheet

...........................................................................................................2

2.2 Operation Characteristic Curve

........................................................................................4

2.3 Capacity Variation Ratio According to Temperature

.........................................................4

2.4 Cooling and Heating Data Sheet in Rated Frequency

.....................................................5

2.5 Noise Curve

......................................................................................................................5

3. Outline Dimension Diagram

.........................................................................................6

3.1 Indoor Unit ........................................................................................................................6

3.2 Outdoor Unit

.....................................................................................................................7

4. Refrigerant System Diagram

......................................................................8

5. Electrical Part

...........................................................................................................9

5.1 Wiring Diagram .................................................................................................................9
5.2 PCB Printed Diagram .....................................................................................................12

6. Function and Control

......................................................................................15

6.1 Remote Controller Introduction

.....................................................................................15

6.2 GREE+ App Operation Manual

......................................................................................20

6.3 Ewpe Smart App Operation Manual

...............................................................................21

6.4 Brief Description of Modes and Functions

......................................................................22

Part

Ⅱ

: Installation and Maintenance

.................................................31

7. Notes for Installation and Maintenance

..........................................31

8. Installation

................................................................................................................36

8.1 Installation Dimension Diagram ......................................................................................36

8.2 Installation Parts-checking

............................................................................................38

8.3 Selection of Installation Location ....................................................................................38

8.4 Electric Connection Requirement

...................................................................................38

8.5 Installation of Indoor Unit ................................................................................................38

8.6 Installation of Outdoor

Unit .............................................................................................41

8.7 Vacuum Pumping and Leak

Detection ..........................................................................42

8.8 Check after Installation and Test

Operation ...................................................................43

Содержание GWH18YD-K6DNA1A/I

Страница 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Models GWH18YD K6DNA1A GWH18YD K6DNA2A Refrigerant R32...

Страница 2: ...agram 9 5 2 PCB Printed Diagram 12 6 Function and Control 15 6 1 Remote Controller Introduction 15 6 2 GREE App Operation Manual 20 6 3 Ewpe Smart App Operation Manual 21 6 4 Brief Description of Mode...

Страница 3: ...iew and Parts List 63 10 1 Indoor Unit 63 10 2 Outdoor Unit 66 11 Removal Procedure 68 11 1 Removal Procedure of Indoor Unit 68 11 2 Removal Procedure of Outdoor Unit 73 Appendix 80 Appendix 1 Referen...

Страница 4: ...tion Service Manual 1 Summary Part Technical Information Indoor Unit GWH18YD K6DNA1A I GWH18YD K6DNA2A I Remote Controller Outdoor Unit GWH18YD K6DNA1A O CB437W01300 GWH18YD K6DNA1A O CB437W01301 YAG1...

Страница 5: ...8YD K6DNA1A I GWH18YD K6DNA2A I Indoor Unit Product Code CB437N01300 CB466N01300 CB437N01301 CB466N01301 Fan Type Cross flow Cross flow Fan Diameter Length DXL mm 106X706 106X706 Cooling Speed SH MH H...

Страница 6: ...p mm 2 1 4 2 1 4 Condenser Coil Length LXDXW mm 851X38 1X660 851X38 1X660 Fan Motor Speed rpm 800 800 Fan Motor Power Output W 60 60 Fan Motor RLA A 0 24 0 24 Fan Motor Capacitor F Outdoor Unit Air Fl...

Страница 7: ...7 38 39 43 15 10 5 40 41 42 100 105 95 90 85 80 75 70 65 60 55 50 110 100 90 80 70 60 50 40 0 5 7 10 Conditions Indoor DB27 C WB19 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C...

Страница 8: ...indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor frequency Hz Indoor Outdoor P MPa T1 C T2 C 20 7 6 18K 2 8 to...

Страница 9: ...6 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 79 154 43 216 685 200 70 70 43 117 685 194 140 190 38 55 55 38 Unit mm 18K W D H Models W H D 18K 996 301 225...

Страница 10: ...7 Technical Information Service Manual 3 2 Outdoor Unit 963 892 700 396 560 341 396 Unit mm Unit mm 364 560 700 396 340 965 897 GWH18YD K6DNA1A O CB437W01300 GWH18YD K6DNA1A O CB437W01301...

Страница 11: ...xchanger evaporator Heat exchanger condenser Heat exchang condenser Valve Valve Valve Valve Liquid pipe side Gas pipe side Liquid pipe side Gas pipe side Compressor Compressor Strainer Strainer Capill...

Страница 12: ...lover for this model 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 HOHFWULF VKRFN 287 225 81 7 8...

Страница 13: ...25 3 5 21752 5 0 1 02725 02725 237 21 3 1 211 725 11 7 1 51 1 7 7 1 237 21 217 7 5 225 GWH18YD K6DNA1A I CB437N01301 GWH18YD K6DNA2A I CB466N01301 60000700033807 3OHDVH GRQ W WRXFK DQ HOHFWURQLF FRPSR...

Страница 14: ...H RI WHUPLQDO 3 DQG 1 DW 3 LV KLJKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 51 1 1 0 1 7 5 1 LURQ VKHOO PRWRU RQO DSSOLHV WR WKH 1RWH 0RWRU JURXQG 9 9 3 16 21 7521 9 600007000516 GWH18YD K6DNA1A...

Страница 15: ...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 13 Interface...

Страница 16: ...erminal 2 Interface of temperature sensor 3 Terminal of electronic expansion valve 4 Terminal of outdoor fan 5 4 way valve terminal 6 Live wire interface 7 Interface of communication wire for indoor u...

Страница 17: ...stem high pressure protection Compressor overload protection terminal Terminal of electronic expansion valve Terminal for low pressure protection Interface of fan 4 way valve terminal 2 way valve term...

Страница 18: ...n timer off and light functions are set the corresponding icons will be displayed on the display of remote controller at the same time Under on status the display will show the corresponding set funct...

Страница 19: ...es as below This remote controller is universal If it receives threes kinds of following status the swing angle will remain origial If guide louver is stopped when it is swinging up and down it will r...

Страница 20: ...ur the setting temperature will decrease 1 C 2 hours setting temperature will decrease 2 C then the unit will run at this setting temperature Sleep 2 is sleep mode 2 that is air conditioner will run a...

Страница 21: ...t This function is only available for some models 1 Press swing left and right button continuously more than 2s the main unit will swing back and forth from left to right and then loosen the button th...

Страница 22: ...s function may be not available for some units 4 Press TURBO button can realize the ON and OFF of TURBO function cover of battery box along the arrow direction 2 Replace two 7 AAA 1 5V dry batteries a...

Страница 23: ...install it When GREE App is installed register the account and add the device to achieve long distance control and LAN control of Gree smart home appliances For more information please refer to Help...

Страница 24: ...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 25: ...under each condition Ambient temperature is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If there s I feel function Tcompensation is 0 Others are same as above 5 Fan mode Un...

Страница 26: ...erant recycling it will be still in standby mode after finishing refrigerant recycling if the unit is in ON status before refrigerant recycling it will still run in original operation mode 11 Ambient...

Страница 27: ...peration 1 If the compressor is shut down and Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 0 5 start up the machine for cooling the cooling operation will start...

Страница 28: ...ed on 2 Defrosting 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 Contro...

Страница 29: ...t should not 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...

Страница 30: ...ure at normal 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...

Страница 31: ...compressor 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 mac...

Страница 32: ...egarded as 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 can t run when the reversion abnormity protection...

Страница 33: ...stop operation 3 When 0 Toutdoor amb 2 the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 5 compressor stops operation while the e...

Страница 34: ...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 wire a...

Страница 35: ...ly 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 p...

Страница 36: ...the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry If it needs other technician to maintain a...

Страница 37: ...lized storage tank Filling the refrigerant Use the refrigerant filling appliances specialized for R32 Make sure that different kinds of refrigerant won t contaminate with each other The refrigerant ta...

Страница 38: ...ng tape 4 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 T...

Страница 39: ...east 15cm At least 15cm At least 250cm 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 Space to the obstruction Drainage pipe Space to the wall Space to the o...

Страница 40: ...ang 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 Fini...

Страница 41: ...ecial circumstances 7 The appliance shall nost be installed in the laundry 2 Grounding Requirement 1 The air conditioner is first class electric appliance It must be properly grounding with specialize...

Страница 42: ...show in Fig 2 Note Insulating pipe Torque wrench Open end wrench Indoor pipe Pipe Union nut Union nut Pipe joint Pipe Hex nut diameter mm Tightening torque N m 6 15 20 9 52 30 40 12 45 55 16 60 65 19...

Страница 43: ...1 Bind up the 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 ce...

Страница 44: ...use structure 2 Fix the support of outdoor unit on the selected location with expansion screws 2 Install Drain Joint Only for cooling and heating unit 1 Connect the outdoor drain joint into the hole o...

Страница 45: ...core of liquid valve and gas valve completely with inner hexagon spanner 6 Tighten the screw caps of valves and refrigerant charging vent As show in Fig 28 2 Leakage Detection 1 With leakage detector...

Страница 46: ...and air outlet It may cause insufficient cooling heating capacity 10 The dust and sundries caused during installation are removed It may cause malfunction or damaging the parts 11 The gas valve and li...

Страница 47: ...44 Installation and Maintenance Service Manual 9 Maintenance 9 1 Error Code List...

Страница 48: ...al It s the normal state Off 3s and blink once during blinking ON 10s and Off 05s Defrosting will occur in heating mode Compressor will operate while indoor fan will stop Complete unit current detecti...

Страница 49: ...46 Installation and Maintenance Service Manual...

Страница 50: ...and blink 1 times When the outdoor unit rece ive signal of Gathering refri gerant the system will be forced to run under cooling mode for gathering refrigerant Nominal cooling mode In defect of refrig...

Страница 51: ...ends of capacitor C20 Capacitor C20 of power 12V DC 12V test 7 J position both ends of capacitor C67 Capacitor C67 of power 15V DC 15V test 8 K position both ends of capacitor C24 Capacitor C24 of pow...

Страница 52: ...rly contacted Insert the temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfunction eliminated Replace the...

Страница 53: ...r the malfunction 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 Repl...

Страница 54: ...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 55: ...correctly and tightly Replace the jumper cap with the same model End yes yes Assemble the jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfuncti...

Страница 56: ...ram If the wiring of reactor L is normal Connect the reactor L according to Elec trical Wiring Diagr am correctly Re energize and turn on the unit If the fault is eliminated End Replace the control pa...

Страница 57: ...or use DC voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel...

Страница 58: ...ion of the indoor unit and outdoor unit abnormal Improve the heat dissipation environment of the unit Does the indoor and outdoor fan work normally Replace the outdoor fan End Replace the fan capacito...

Страница 59: ...the wires for the compressor UVW connected correctly Is connection sequence right Is the charge volume of refrigerant too much Connect the wires between control panel AP1 and compressor as per the wir...

Страница 60: ...t the wires correctly Replace the control panel AP1 Is the input voltage normal Replace the control panel AP1 Is heat dissipation of the unit abnormal Is the charge volume of refrigerant too much Repl...

Страница 61: ...heck if the resistance of overload protector is less than 1000ohm in ambient temp Connect the wires correctly according to wiring diagram Is the terminal FA of the electronic expansion valve connected...

Страница 62: ...its according to the wiring diagram Is the connection right Correctly connect the corresponding wires for the indoor and outdoor units according to the wiring diagram Correctly connect the wires for t...

Страница 63: ...nging Test the voltage of Test 13 Test the voltage of Test 11 Test the voltage of Test 12 The value is changing The value is changing The value is changing Detection process of outdoor communication c...

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: ...Exploded View and Parts List 10 1 Indoor Unit 1 2 3 4 5 6 7 9 10 11 13 14 15 34 35 36 37 16 17 18 19 24 25 26 27 28 29 30 38 31 32 33 20 21 22 23 12 8 39 The component picture is only for reference p...

Страница 67: ...1 17 Rubber Plug Water Tray 76712012 76712012 1 18 Connecting pipe clamp 2611218801 2611218801 1 19 Crank 73012005 73012005 1 20 Stepping Motor 1521240212 1521240212 1 21 Motor Press Plate 26112511 26...

Страница 68: ...Water Tray 76712012 76712012 1 18 Connecting pipe clamp 2611218801 2611218801 1 19 Crank 73012005 73012005 1 20 Stepping Motor 1521240212 1521210704 1521240212 1521210704 1 21 Motor Press Plate 261125...

Страница 69: ...66 Installation and Maintenance Service Manual 10 2 Outdoor Unit 35 The component picture is only for reference please refer to the actual product...

Страница 70: ...5002 22245002 1 14 Handle 26233053 26233053 1 15 Wiring Clamp 26115004 26115004 1 16 Rear Grill 01473043 01473043 1 17 Condenser Assy 011002000308 011002000308 1 18 Reactor 19 Clapboard Assy 01233153...

Страница 71: ...val Step Procedure 1 Remove filter 2 Remove horizontal louver Open the panel Panel Left filter and right filer Axile bush Location of step motor Horizontal louver Loosen the clasp shown and then pull...

Страница 72: ...he front panel and then removes the front panel Remove the screws fixing detecting plate and remove detecting plate Remove the screws on the electric box cover to remove the electric box cover 2 Remov...

Страница 73: ...e indoor tube temperature sensor from the evaporator Remove the screws at the connection place between grounding wire and evaporator Loosen the connection clasps between shield cover of electric box s...

Страница 74: ...pipe Remove the screw fixing electric box assy and then remove the electric box assy At the back of the unit remove the screw fixing connection pipe clamp and then remove the connection pipe clamp Rem...

Страница 75: ...Motor clamp Remove the screws fixing motor clamp and then remove the motor clamp Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to...

Страница 76: ...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 handle right side plate screws...

Страница 77: ...side plate and then remove the outer case Remove the 3 screws connecting the grille with right side plate and left side plate and then remove the rear guard grille Remove the screws connecting the ri...

Страница 78: ...grounding wire screw on the electric box assy and then remove the grounding wire See fig 1 a c b Disconnect the wiring terminals of reactor compressor high and low pressure switch compressor overload...

Страница 79: ...upwards to remove it d e f g Push the electric box cover in the direction of arrow to make the clasp at the right side separate from the groove then pull it in the opposite direction to make the clasp...

Страница 80: ...he 3 screws connecting the isolation plate and chassis and then remove the isolation plate Remove the 4 screws connecting the reactor and isolation plate and then remove the reactor reactor isolation...

Страница 81: ...e welding joint wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high temperature bolts liquid valve gas valve 9 Remove 4 way valve assy Remove the 2 screws connec...

Страница 82: ...12 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 ports of discharge pipe and suction pipe f...

Страница 83: ...2 Diameter of connection pipe Outdoor unit throttle Liquid pipe mm Gas pipe mm Cooling only cooling and heating g m Cooling only g m Cooling and heating g m 6 9 5 or 12 16 12 16 6 or 9 5 16 or 19 40 1...

Страница 84: ...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...

Страница 85: ...66 88 33 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 06...

Страница 86: ...983 5 84 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 6...

Страница 87: ...62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 2...

Страница 88: ...d Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Towe...

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