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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 .....................................................................................................11

6. Function and Control

......................................................................................13

6.1 Remote Controller Introduction

.....................................................................................13

6.2 Operation of Smart Control (Smart Phone, Tablet PC) For Gree

...................................18

6.3 Operation of Smart Control (Smart Phone, Tablet PC)

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

6.4 Brief Description of Modes and Functions

......................................................................44

Part

Ⅱ

: Installation and Maintenance

.................................................53

7. Notes for Installation and Maintenance

..........................................53

8. Installation

................................................................................................................57

8.1 Installation Dimension Diagram

......................................................................................57

8.2 Installation Parts-checking

............................................................................................59

8.3 Selection of Installation Location

....................................................................................59

8.4 Electric Connection Requirement

...................................................................................59

8.5 Installation of Indoor Unit

................................................................................................59

8.6 Installation of Outdoor

Unit .............................................................................................62

8.7 Vacuum Pumping and Leak Detection

...........................................................................63

8.8 Check after Installation and Test

Operation ...................................................................63

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Содержание GWH18YD-K6DNA1A

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

Страница 2: ...Diagram 11 6 Function and Control 13 6 1 Remote Controller Introduction 13 6 2 Operation of Smart Control Smart Phone Tablet PC For Gree 18 6 3 Operation of Smart Control Smart Phone Tablet PC 31 6 4...

Страница 3: ...ew and Parts List 83 10 1 Indoor Unit 83 10 2 Outdoor Unit 85 11 Removal Procedure 87 11 1 Removal Procedure of Indoor Unit 87 11 2 Removal Procedure of Outdoor Unit 92 Appendix 99 Appendix 1 Referenc...

Страница 4: ...1 Technical Information Service Manual 1 Summary Part Technical Information Indoor Unit GWH18YD K6DNA1A I Remote Controller Outdoor Unit GWH18YD K6DNA1A O YAG1FB FAN MODE ON OFF...

Страница 5: ...Indoor Unit Indoor Unit Model GWH18YD K6DNA1A I Indoor Unit Product Code CB437N01300 Fan Type Cross flow Fan Diameter Length DXL mm 106X706 Cooling Speed SH MH H M ML L SL r min 1230 1170 1100 1020 9...

Страница 6: ...ser Coil Length LXDXW mm 851X38 1X660 Fan Motor Speed rpm 800 Fan Motor Power Output W 60 Fan Motor RLA A 0 24 Fan Motor Capacitor F Outdoor Unit Air Flow Volume m3 h 3200 Fan Type Axial flow Fan Diam...

Страница 7: ...19 C Outdoor DB35 C WB24 C Indoor air flow High Pipe length 5m Conditions Indoor DB20 C WB15 C Outdoor DB7 C WB6 C Indoor air flow High Pipe length 5m Cooling Heating Cooling Heating 32 33 34 35 36 37...

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...

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: ...the swing angle of horizontal 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...

Страница 13: ...7 5 1 1 8 1 8 1 2 7 50 1 3 0 1 7 3 0 9 9 9 97 97 2 1 1 02725 1 3 35 17 5 8 7 2 5 8 5 9 6 203 32 5 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH YROWDJH RI WHUPLQDO 3 DQG 1 DW 3 LV KLJKHU WKDQ 9 WR SUHYHQW...

Страница 14: ...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 15: ...ad protection terminal 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 wi...

Страница 16: ...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 17: ...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 18: ...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 19: ...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 20: ...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 21: ...tance control as shown below Please refer to Functions introduction for specific control methods Install the APP according to its guidance When successfully installed your smart phone homepage will sh...

Страница 22: ...n tap Next select the name of home Wifi router then enter the correct password and select a server Select Add device and enter the page of Add device Tap Manual configuration and enter the page Manual...

Страница 23: ...e short distance operation to control the air conditioner and then you can use the long distance control Functions introduction 1 User registration Purpose To realize long distance control Operation i...

Страница 24: ...rollable smart devices will be generated Default name for air conditioner is the last 8 numbers of the air condtioner mac address Step 1 Tap and hold a0b417ac to enter the page Edit device Tap Image t...

Страница 25: ...Save the setting of preset name 3 Set device image Please refer to step 1 in 2 1 3 Control functions 1 Common control functions General control on the operation of smart devices On Off temperature fa...

Страница 26: ...an speed Step 2 Advanced settings Tap to enter advanced settings You may select Air Dry Health Light Sleep or Energy saving 2 Advanced control functions Set scene Preset Link Infrared control only APP...

Страница 27: ...Select execution device select the air conditioner named babyroom Then select ON or OFF Continue to select the next execution device as instructed above Tap to set the interval Tap Save Tap the scene...

Страница 28: ...need to synchronize the time tap synchronize If such Hint interface doesn t show up please skip this operation step Tap Name to customize the preset name Preset device can t be selected and it will de...

Страница 29: ...d enter the page Add linkage Tap Device Param to enter the page Select device Take baby room as an example Tap babyroom Enter the page Select environment parameters Tap Temperature to enter the page S...

Страница 30: ...ting days Then tap Save Step 3 Select Execute command Tap Execute command and enter the page Select device Tap the name of device that you want to control Tap ON or OFF and then tap Save to complete t...

Страница 31: ...advanced functions Tap Sleep to enter the page Sleep You can select Traditional sleep Expert sleep or DIY sleep Tap DIY sleep and then tap the left and right arrows to set sleep time Tap up and down...

Страница 32: ...uick configuration information and unit s information including backup to cloud and backup list on the cloud Backup to cloud Enter the Menu on the left and tap Backup Tap Backup to cloud and then tap...

Страница 33: ...ates etc The server setting here must be the same as the server setting in Configuration mentioned before Otherwise remote control will be invalid 4 Feedback User can feedback suggestions to back stag...

Страница 34: ...hrough your smart phone The name of wifi hotspot is the last 8 numbers of the air conditioner mac address Password is 12345678 Step 2 Open APP and the screen will show the air conditioner that you jus...

Страница 35: ...ge Manual configuration Step 2 Tap Next in the First Step Step 3 Select the wireless network of air conditioner APP will show the password 12345678 default password of the network of air conditioner T...

Страница 36: ...hot spot signal of air conditioner is the last 8 bits of MAC address Eg Select a0b41737 and enter the defaulted password 12345678 to connect it Notice Finally press Configuration and APP will send th...

Страница 37: ...the device after connecting to the wireless router such as Tenda_XXX and turning on the APP Functions introduction 1 User registration Purpose To realize long distance control Operation instruction Fo...

Страница 38: ...Edit device Tap Image to select the source of image Select from Default images or Take photo or Choose from photos and save an image Step 2 Tap Name to change device name Save it and the new device n...

Страница 39: ...mer type select On Then select the repeating days Save the setting of preset name 3 Set device image Please refer to step 1 in 2 1 3 Control functions 1 Common control functions General control on the...

Страница 40: ...vanced settings You may select Air Dry Health Light Sleep or Energy saving 2 Advanced control functions Set scene Preset Link Infrared control only applicable to smart phones with infrared emitter Set...

Страница 41: ...on condition of the scene 3 Preset includes single device preset and multi device preset Single device preset This can preset a certain device to be On Off at a specific time On the homepage Device ta...

Страница 42: ...t device to select one or more devices Then return to the page Device 4 Link This function is applicable to some models Select a master device When the environment satisfies the parameters as set in t...

Страница 43: ...hen tap Save Step 2 Set time parameter for linkage Tap Time parameter to enter the page Set time Slide rightwards to turn on the setting time Tap Execution time then tap Start and Stop to set start ti...

Страница 44: ...cenes 4 Menu functions Menu functions Share Set History Feedback 1 Share To share quick configuration information and unit s information including local export and local import For local import you ju...

Страница 45: ...phones and are connecting to the same wireless router 2 Backup To keep backup of the quick configuration information and unit s information including backup to cloud and backup list on the cloud Backu...

Страница 46: ...t vibration message alerts server updates etc The server setting here must be the same as the server setting in Configuration mentioned before Otherwise remote control will be invalid 4 Help Please re...

Страница 47: ...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 48: ...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 49: ...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 50: ...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 51: ...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 52: ...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 53: ...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 54: ...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 55: ...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 56: ...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 57: ...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 58: ...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 59: ...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 60: ...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 61: ...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 62: ...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 63: ...ig 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 70 75 Ref...

Страница 64: ...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 65: ...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 66: ...t 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 1...

Страница 67: ...y the important notes for air conditioner to the client 2 Method of test operation Put through the power press ON OFF button on the remote controller to start operation Press MODE button to select AUT...

Страница 68: ...65 Installation and Maintenance Service Manual 9 Maintenance 9 1 Error Code List...

Страница 69: ...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 70: ...67 Installation and Maintenance Service Manual...

Страница 71: ...68 Installation and Maintenance Service Manual Test 1 Test 4 Test 3 Test 5 Test 10 Test 9 Test 6 Test 13 Test 12 Test 11 Test 14 Test 7 Test 8 Test 2 1 Key detection point...

Страница 72: ...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 73: ...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 74: ...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 75: ...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 76: ...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 77: ...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 78: ...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 79: ...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 80: ...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 81: ...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 82: ...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 83: ...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 84: ...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 85: ...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 86: ...0 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 The component picture is only for reference ple...

Страница 87: ...1 16 Cold Plasma Generator 1114001601 1 17 Rubber Plug Water Tray 76712012 1 18 Connecting pipe clamp 2611218801 1 19 Crank 73012005 1 20 Stepping Motor 1521240212 1 21 Motor Press Plate 26112511 1 2...

Страница 88: ...85 Installation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product...

Страница 89: ...assy 01715010P 1 12 Right Side Plate 0130509402P 1 13 Valve cover 22245002 1 14 Handle 26233053 1 15 Wiring Clamp 26115004 1 16 Rear Grill 01473043 1 17 Condenser Assy 011002000308 1 18 Reactor 19 Cl...

Страница 90: ...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 91: ...on shaft from the groove fixing the front panel and then removes the front panel Remove the screws on the electric box cover to remove the electric box cover 2 Remove the screws fixing front case Loos...

Страница 92: ...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 93: ...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 94: ...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 95: ...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 96: ...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 97: ...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...

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