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GREE DC Inverter Multi VRF System II Service Manual

1

PRODUCT

1 Product List

Model

Product Code

Cooling

Capacity

(kW)

Heating

Capacity

(kW)

Power

Supply

Refrigerant

Appearance

GMV-80WL/A-T

CN850W0530

8

9

220-240V

50Hz

208-230V

60Hz

R410A

GMV-100WL/A-T

CN850W0430

10

11

GMV-121WL/A-T

CN850W0420

12.1

13.0

GMV-80WL/C-T

CN850W0590

8

9

GMV-100WL/ C -T

CN850W0600

10

11

GMV-121WL/C-T

CN850W0640

12.1

13.0

GMV-141WL/C-T

CN850W0880

14.1

16.0

220V

̚

240V

50Hz or

208V

̚

230V

60Hz

R410A

GMV-120WL/A-T

CN850W0180

12.1

14

220-240V

50Hz

208-230V

60Hz

R410A

GMV-140WL/A-T

CN850W0170

14

16.5

GMV-160WL/A-T

CN850W0160

16

18.5

GMV-120WL/A-X

CN850W0260

12.1

14

380-415V

3N~50Hz

380-415V

3N~60Hz

R410A

GMV-140WL/A-X

CN850W0250

14

16.5

GMV-160WL/A-X

CN850W0240

16

18.5

GMV-120WL/C-T

CN850W0440

12.1

14.0

220-240V

50Hz

208-230V

60Hz

R410A

GMV-140WL/C-T

CN850W0450

14.0

16.5

GMV-160WL/C-T

CN850W0460

16.0

18.0

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Summary of Contents for GMV-100WL/A-T

Page 1: ...DC INVERTER VRF SYSTEM SERVICE MANUAL R410A...

Page 2: ...ey points and importance 61 2 INSTALLATION MATERIALS SELECTION 62 2 1 Refrigerant piping 62 2 2 Condensate water pipe 63 2 3 Insulation material 63 2 4 Communication cable and control cable 63 2 5 Pow...

Page 3: ...Removal of key parts 106 6 COMMON MAINTENANCE 140 6 1 Vacuum drying for the system 140 6 2 Fill and charge refrigerant 141 6 3 Airtightness test 145 7 EXPLODED VIEW OF UNIT AND PARTS LIST 146 7 1 Expl...

Page 4: ...DC INVERTER VRF SYSTEM II SERVICE MANUAL R410A PRODUCT...

Page 5: ...T CN850W0600 10 11 GMV 121WL C T CN850W0640 12 1 13 0 GMV 141WL C T CN850W0880 14 1 16 0 220V 240V 50Hz or 208V 230V 60Hz R410A GMV 120WL A T CN850W0180 12 1 14 220 240V 50Hz 208 230V 60Hz R410A GMV...

Page 6: ...5 GMV 160WL C X CN850W0490 16 0 18 5 GMV H224WL A X CN850W0330 22 2 24 380 415V 3N 50Hz 380 415V 3N 60Hz R410A GMV H280WL A X CN850W0340 27 9 30 GMV H335WL A X CN850W0350 33 3 35 1 GMV H224WL A X CN85...

Page 7: ...r different forms and capacity This refrigerating system can directly provide air conditioning for one or more areas and is applicable for residential and light commercial uses It features high energy...

Page 8: ...W L A X GMV 160WL A X Cooling capacity kW 12 1 14 16 12 1 14 16 Heating capacity kW 14 16 5 18 5 14 16 5 18 5 Circulating air volume m3 h 6000 6300 6600 6000 6300 6600 Noise dB A 55 56 58 55 56 58 Ref...

Page 9: ...iquid mm 9 52 9 52 9 52 9 52 9 52 9 52 Connection Method Flare Flare Flare Flare Flare Flare Net weight kg 112 112 112 122 122 122 Model GMV H224 WL A X GMV H280 WL A X GMV H335 WL A X GMV 224W L C X...

Page 10: ...220 240V 50Hz 208 230V 60Hz Rated power input Cooling kW 2 00 2 70 3 20 2 05 Heating kW 1 90 2 40 3 00 1 90 Unit Dimensions mm WxDxH 980 360 790 Package Dimensions mm WxDxH 1097x477x937 Compressor QX...

Page 11: ...ct improvement Please refer to nameplates of the units Noise data are collected from a semi anechoic room Decibels may be slightly higher in actual operation due to environmental change Refrigerant ch...

Page 12: ...4 2 Operation range Cooling Outdoor temperature 5 52 Heating Outdoor temperature 20 27 5 Product Capacity Correction 5 1Correction factor of indoor and outdoor temperature 1 Correction factor of cool...

Page 13: ...Below table shows the capacity variance ratio for 100 full load in standard working condition thermostat setting is 16 for cooling and 30 for heating GMV 80WL A T GMV 100WL A T GMV 121WL A T GMV 80WL...

Page 14: ...100WL A T GMV 121WL A T GMV 120WL C T GMV 140WL C T GMV 160WL C T GMV 120WL C X GMV 140WL C X GMV 160WL C X GMV H280WL A X GMV H335WL A X GMV 280WL C X GMV 335WL C X Name Compressor 4 way valve Cut of...

Page 15: ...GREE DC Inverter Multi VRF System II Service Manual 11 GMV 80WL C T GMV 100WL C T GMV 121WL C T...

Page 16: ...GREE DC Inverter Multi VRF System II Service Manual 12 GMV 141WL C T...

Page 17: ...anch or manifold Pressure and temperature of the refrigerant will then be lowered by throttle elements before it flows into indoor heat exchangers After exchanging heat with indoor air refrigerant wil...

Page 18: ...GREE DC Inverter Multi VRF System II Service Manual 14 CONTROL...

Page 19: ...st the tube temperature of the unit and send data to the controller which will control each unit s output according to the control logic 2 Remote Monitoring System 2 1 General introduction Gree CAC Re...

Page 20: ...an efficient tool for the intelligent air conditioning management as well as installation and after sales service and commissioning It can debug units and control units operation status quickly and co...

Page 21: ...nitoring software USB driver and USB converter configuring software USB wire 40020082 Wire connecting computer s USB interface and converter Communicaiton board 30118015 This board can be used when un...

Page 22: ...kering When units are uploading data to the computer the RX data receiving light will be flickering z When converter is under RS485 data transferring mode the function LED of RS485 to USB will be on z...

Page 23: ...nication board Communication board is mainly used for transferring data It functions similar with a patching board Provided that units are far away from the monitoring computer communication board can...

Page 24: ...such as the on off temperature fan speed mode etc Meanwhile the software can also set or view the function parameters of outdoor units gateway and other equipment In this way the mangement of central...

Page 25: ...s Server 2003 SP3 or higher Windows XP SP3 or higher Windows Vista Windows 7 2 CD Playing Make sure you have administrator access to the computer and there is a CD ROM in the computer Put the CD into...

Page 26: ...hics This flowchart describes basically the software installation process See below for details 3 4 1 3 Installation process 1 Install Net Framework 4 0 z If your computer has installed Net Framework...

Page 27: ...GREE DC Inverter Multi VRF System II Service Manual 23 z Extracting files z Click and select I have read and accept the license terms Then click Install...

Page 28: ...GREE DC Inverter Multi VRF System II Service Manual 24 z Installation is in progress z Click Finish to complete the installation...

Page 29: ...i VRF System II Service Manual 25 2 Install Access Driver z Before operating Gree commissioning software please first install Access Driver necessary for versions below OFFICE 2007 Click Install Acces...

Page 30: ...ulti VRF System II Service Manual 26 z Tick I accept the terms in the License Agreement and then click Next z Click Browse to change the default folder to the expected one or click Install to continue...

Page 31: ...al 27 z Installation is in progress z Click Ok to complete the installation 3 Install Gree Debugger z Before installing Gree debugger make sure that your computer is installed with Net Framework 4 0 o...

Page 32: ...GREE DC Inverter Multi VRF System II Service Manual 28 z Click Next z Click Browse to select installation folder If no change is needed for the folder click Next to continue the installation...

Page 33: ...GREE DC Inverter Multi VRF System II Service Manual 29 z Click Next z Installation is in progress...

Page 34: ...em II Service Manual 30 z Click Close to complete the installation 4 Install USB Converter Driver z If USB converter driver is already installed in your computer this part can be skipped Otherwise cli...

Page 35: ...GREE DC Inverter Multi VRF System II Service Manual 31 z Then the following installation window will be shown z This window will exit after installation is finished...

Page 36: ...ata Converter z If converter baud rate is needed to be set then converter configuring software must be installed Click Install Gree USB Data Converter z Then select the setup language You can choose C...

Page 37: ...E DC Inverter Multi VRF System II Service Manual 33 z ick I accept the agreement Then click Next to continue installation z Click Browse to select your expected installation folder Click Next to conti...

Page 38: ...E DC Inverter Multi VRF System II Service Manual 34 z Click Browse to change folder Click Next to continue z If you want to create s desktop shortcut tick Creat a desktop icon Then click Next to conti...

Page 39: ...tem II Service Manual 35 z Destiniation location folder and additional task will be shown in the next step If you need to change any of it please click Back If not click Install to start installation...

Page 40: ...36 z Click Finish to complete the installation 3 4 2 Data monitoring z Start up Gree Debugger z On the original interface user can select language and units system Click OK to confirm the defaulted l...

Page 41: ...z Select system of units z If units you want to monitor are already connected and able to communicate normally with correct COM and protocal then you may click Connect to enter the interface of number...

Page 42: ...GREE DC Inverter Multi VRF System II Service Manual 38 z COM selection the serial port in your computer can be detected automatically You just need to select your desired serial port...

Page 43: ...GREE DC Inverter Multi VRF System II Service Manual 39 z Protocal selection This is to select the communication method of your units Currently CAN is applicable to the units...

Page 44: ...rter Multi VRF System II Service Manual 40 z After the selection click Connnect If units can communicate normally with computer then the interface of numbers will be shown soon Otherwise Connecting wi...

Page 45: ...t the dividing lines As to the display zone of outdoor modules information it can show information of only one module and hide information of others two modules are defaulted to be shown Menu bar can...

Page 46: ...tched to project debugging where auto debugging will be started from up to down and from left to right Note Debugging function is only applicable to a single system network z Click Start to enable the...

Page 47: ...displayed See the following marked with circle For No 8 Compr Preheat Confirmation the preheat time will be displayed See the following marked with circle z Icon indicates that there is problem found...

Page 48: ...ck Before Startup there are Back and Skip buttons If there is error in this step you can back to step No 9 and click OK to restart debugging on step No 10 If the error in step No 10 is U6 error valve...

Page 49: ...U Settings System Settings Project Number Conflict In case there is project number conflict in indoor units other functions will be shielded Then this parameter needs to be set in order to eliminate t...

Page 50: ...ll of them or Select Inverted to select none of them After selection the current values of the corresponding parameters will be displayed in the zone of settings Click Set and then click in the pop up...

Page 51: ...GREE DC Inverter Multi VRF System II Service Manual 47 3 4 5 Other functions Capture screen z Click icon of Capture Screen to print the interface If you want to open the interface click Open...

Page 52: ...der z Click icon of Open Data Folder on the menu bar to open database folder Conversion of pressure value z Click icon of Others on the menu bar and then click Display Settings to select High Low Pres...

Page 53: ...e will be pressure Refrigerant type will affect the pressure parameter displayed on the interface Database saving of multiple systems z Click icon of Others on the menu bar and click Database Save Set...

Page 54: ...ng of database should be set before the software starts monitoring see below interface Click Change database saving path and click Browse to change the saving path Click Rebuild Database to rebuild th...

Page 55: ...of converter z Gree commissioning software should be connected with CAN interface when converter is used For air conditioners with a single system connect D1 and D2 interfaces of the wiring board For...

Page 56: ...485 interfaces You can check the setting through the function LEDs Notice If it s the first time your PC uses Gree USB data converter in order to prevent Gree USB data converter from being mistaken by...

Page 57: ...GREE DC Inverter Multi VRF System II Service Manual 53 Step 3 Right click USB Serial Port COM6 and then click Properties The dialog box of properties will then pop up...

Page 58: ...GREE DC Inverter Multi VRF System II Service Manual 54 Step 4 Then click Port Settings in the dialog box...

Page 59: ...DC Inverter Multi VRF System II Service Manual 55 Step 5 Click Advanced and then a new dialog box will pop up Find the Serial Enumerator in the miscellaneous options and cancel the tick Click OK to e...

Page 60: ...aud rate of converter Baud rate supported by the converter baud rate of air conditioner s communication interface matches with the baud rate of USB interface automatically Ex factory defaulted baud ra...

Page 61: ...rface 9600 19200 38400 57600 USB interface 4800 9600 19200 38400 Baud rate look up table of CAN interface unit bps z Double click the desktop shortcut z Select the needed communication serial port and...

Page 62: ...ice Manual 58 z Select the function that is to be set and the corresponding baud rate refer to the look up table in the Converter Setup Then click Set z If you want to restore ex factory settings clic...

Page 63: ...GREE DC Inverter Multi VRF System II Service Manual 59 z Click Get to get the current setting details of converter z Switchover of Software Languages...

Page 64: ...GREE DC Inverter Multi VRF System II Service Manual 60 INSTALLATION...

Page 65: ...al operation of the system and burn the compressor 3 The vacuum degree in the refrigerant pipe is insufficient The refrigeration performance is reduced The system fails to keep normal operation due to...

Page 66: ...l safety hazard may occur 19 Control communication cables are incorrectly provided or improperly connected The normal communication in the system fails or the control over IDUs and ODUs turn in a mess...

Page 67: ...retardancy level B1 or higher c Refractoriness at least 120 d The insulation thickness of condensate water pipe at least 10 mm e When the diameter of copper pipe is equal to or greater than 15 9 mm t...

Page 68: ...through the receptacle to avoid electric shock The ground wire shouldn t be connected with gas pipe water pipe lightning arrester or telephone line c Maintain good air circulation to avoid lacking oxy...

Page 69: ...ect sunlight The rain and condensation water can be drained out smoothly The outdoor unit will not be embedded by the snow and not affected by garbage and oil smog The installation of outdoor unit sha...

Page 70: ...A T GMV 160WL A T GMV 120WL A X GMV 140WL A X GMV 160WL A X GMV 120WL C T GMV 140WL C T GMV 160WL C T GMV 120WL C X GMV 140WL C X GMV 160WL C X 900 340 1345 572 378 GMV H224WL A X GMV 224WL C X 940 3...

Page 71: ...MV 100WL A T GMV 121WL A T GMV 80WL C T GMV 100WL C T GMV 121WL C T 980 360 790 650 395 GMV 141WL C T 940 460 820 610 486 3 7 Installation space requirement If all sides of the ODU including the top a...

Page 72: ...GREE DC Inverter Multi VRF System II Service Manual 68 DEBUGGING MAINTENANCE...

Page 73: ...ant charging volume according to the length of pipe of system and pre charge the refrigerant If refrigerant can t be added any more when the required refrigerant charging volume hasn t been reached re...

Page 74: ...or the system 10s later the display is as below db ON 02 ON L7 Flash No main indoor unit Display will be kept for 1min Within 1min set the main indoor unit through debugging software If notset the mai...

Page 75: ...he combination for indoor unit and outdoor unit to let their capacity ration is within the reasonable range Perfrom the debugging again from step 01 06_Parts detection for outdoor unit db ON 06 ON Cor...

Page 76: ...or about 2min it will stop operation It will judge the ON status of gas valve and liquid valve for outdoor unit The judement result is displayed as below db ON 10 ON U6 ON Valve for outdoor unit hasn...

Page 77: ...starts 02_ Allocate addresses 02 Ad Display circularly System is allocating addresses 10s later display as below 02 L7 Display circularly No master indoor unit Display will be on for 1min during whic...

Page 78: ...XXXX error code Display circularly If errors occur in IDU which the project code is 3 digit number then it will display the 2 big digits of project code first then the 2 small digits finally the erro...

Page 79: ...entire unit has finished debugging and under standby by condition 1 3 Parameters reference value for the normal operation of unit No Debugging project Parameters name Unit Reference value 1 Paramers o...

Page 80: ...pressure 11 Parameters of indoor unit Ambient temperature for indoor unit 12 Entry tube temperature for indoor heat exchanger According to the difference of ambient temperature the entry tube tempera...

Page 81: ...unit L3 Water overflow protection LC The indoor unit model can t match with outdoor unit model dH Abnormal PCB for wired controller L4 Power supply of wired controller is faulted d1 Poor indoor PCB d...

Page 82: ...nction of defrosting temperature sensor 2 b4 Malfunction of liquid temperature sensor for subcooler b5 Malfunction of gas temperature sensor for subcooler b6 Malfunction for temperature sensor of inle...

Page 83: ...AE Charge refrigerant by hand AF Fan blow AJ Cleaning alarm for filter AP Startup debugging confirmation of unit Ad Limit opereation n0 SE setting for the operation n1 Defrosting period K 1 setting n...

Page 84: ...nd SW2 button to select the following silent modes LED1 LED2 LED3 Function code Silent mode Display Current status Display A7 00 12 Blink oC Blink When applicable mode is selected press SW7 to confirm...

Page 85: ...nF Blink When applicable mode is selected press SW7 to confirm The related display is as below LED1 LED2 LED3 Function code Display Current progress mode Display Current status Display A6 On nC On nC...

Page 86: ...ancel all setting including the IP addresses and project codes of IDU and ODU The mark for finished debugging is 0 ii If you want to restore factory defaults and don t need project debugging then hold...

Page 87: ...ing nH Blink Adjusting target of high pressure nL Blink Adjusting target of low pressure nU Blink Clearing IDU remote shield q7 Blink Temperature in Fahrenheit q8 Blink Corrective value b for low disc...

Page 88: ...for low discharge temperature Current status Blink Refrigerant recovery A8 ON Vacuum pump mode Current status Blink Defrosting mode setting Low pressure ON Compulsory cooling Current status Blink Sta...

Page 89: ...n to the master unit for 5min unit will exit and resume displaying the current status 2 3 7 Cool Heat Function Note Cool Heat Function is not available for Cooling only units Cool Heat Function only w...

Page 90: ...ng and heating type the operation mode within one system depends on the master salve setting of indoor units 2 3 8 Forced Defrosting This function can only be set when outdoor compressor is running Up...

Page 91: ...10s then all LED will blink for 7s All function settings are cleared out but IDU and ODU s project codes and the mark for finished debugging remain the same 2 3 10 Static Pressure Function If ODU s in...

Page 92: ...Check whether indoor unit and outdoor unit is power supplied Energize indoor unit and outdoor unit Measure whether the communication wire is in normal Replace communication wire NO NO Check whether th...

Page 93: ...of outdoor unit well E liminate obstacles and sundries Measure the circumstances of fan motor and signal input Check whether the indoor swing blade is open completely Measure the circumstances of swi...

Page 94: ...f outdoor unit well Eliminate obstacles and sundries Measure the circumstances of fan motor and signal input Check whether the indoor swing blade is open completely Measure the circumstances of swing...

Page 95: ...or fan can operate Cover the panel for outdoor unit well Eliminate obstacles and sundries Measure the circumstances of fan motor and signal input Check whether the indoor swing blade is open completel...

Page 96: ...sensor Check whether plug of sensor is connected with socket correctly Confirm whether the plug is connected correctly Replace main board of outdoor unit YES NO Measure whether the output value DC vo...

Page 97: ...drive PFC protection for compressor malfunction of drive temperature sensor for compressor circuit malfunction of drive current detection for compressor Wired controller displays P0 LED3 dual 8 nixie...

Page 98: ...in board Work normally no Replace compressor Work normally yes Adjust the sequence of wire for compressor Whether the wiring terminal for compressor is loose Connect the wires of compressor tightly ye...

Page 99: ...s for PFC induction is correct Reinsert the wires for PFC Replace main board yes no Work normally 14 Malfunction of memory chip for inverter compressor LED3 dual 8 nixie tube displays PA Whether the m...

Page 100: ...y yes Adjust the sequence of wire for compressor Whether the wiring terminal of compressor is loose Connect the wires of compressor tightly yes no no Wired controller displays P1 16 High pressure prot...

Page 101: ...dual 8 nixie tube displays PP Replace main board Work normally 18 Communication malfunction between main contoller and driver of inverter compressor Wired controlled displays C2 LED3 dual 8 nixie tub...

Page 102: ...4 2 Main electric parts Name Photo Function introduction Filter plate It main effect is to eliminate the interference of power for protecting unit s anti interference capability and prevent the interf...

Page 103: ...C module It will transform AC input power into DC power Meanwhile MOS pipe is controlled by PWM wave Pressure will be increased by induction 4 3 Circuit diagram Circuit diagram of outdoor unit The fol...

Page 104: ...GREE DC Inverter Multi VRF System II Service Manual 100 GMV 141WL C T GMV 120WL A T GMV 140WL A T GMV 160WL A T...

Page 105: ...GREE DC Inverter Multi VRF System II Service Manual 101 MV 120WL A X GMV 140WL A X GMV 160WL A X GMV 120WL C T GMV 140WL C T GMV 160WL C T...

Page 106: ...GREE DC Inverter Multi VRF System II Service Manual 102 GMV 120WL C X GMV 140WL C X GMV 160WL C X GMV H224WL A X GMV 224WL C X...

Page 107: ...GREE DC Inverter Multi VRF System II Service Manual 103 GMV H280WL A X GMV 280WL C X GMV H335WL A X GMV 335WL C X...

Page 108: ...n discharge it Electronic expansion valve Throttling device It transforms high pressure refrigerant liquid into low pressure steam 4 way valve It changes the flow direction of refrigerant for switchin...

Page 109: ...ction ouitlet of compressor It used for separating low temperature and low pressure refrigerant High pressure liquid storage tank It used for storing the superfluous high pressure refrigerant liquid d...

Page 110: ...WL C X GMV 280WL C X GMV 335WL C Xseries unit Removal operation for panel Remark Before removing the panel please make sure that the unit is disconected with the power Process Photo Operation Instruct...

Page 111: ...nt panel and grille with screwdriver Put the front panel and grille on the floor flatly 4 Remove left side plate and rear side plate Loose screws fixing left side plate and rear side plate with screwd...

Page 112: ...Process Photo Operation Instruction 2 Remove blade Loosen nuts fixing the blade with wrench Then remove the blade and put it on the floor flatly 3 Remove motor Loose screws fixing the motor with scre...

Page 113: ...e s no refrigerant inside the pipeline and the power is disconnected Process Photo Operation Instruction 1 Remove wiring cover of compressor Loose screws fiixng the compressor with screwdriver Then pu...

Page 114: ...disconnected Process Photo Operation Instruction 3 Loose nuts fixing the foot of compressor Twist off the nuts for compressor with wrench 4 Remove the chassis from compressor Take out the compressor...

Page 115: ...ressor connect the pipeline and compressor Note During welding process do not let flame burn out other parts 7 Connect the power cord of compressor well Loose screws fixing the power cord with screwdr...

Page 116: ...Photo Operation Instruction 1 Disconnect the coil of 4 way valve from the 4 way valve Remove the coil of 4 way valve at first 2 Disconnect the 4 way valve and connection pipeline Weld those 4 connecti...

Page 117: ...rts Remival operation for eletronic expansion valve Remark Before removing the electronic expansion valve please make sure that there s no refrigerant in th pipeline of system and the power is disconn...

Page 118: ...ion valve Note During welding process do not let the flame burn out other parts Removal operation of gas liquid separator Remark Before removing the gas liquid separator please make sure that there s...

Page 119: ...ipe connected with gas liquid separator Fix the screws at the base of gas liquid separator well again Note During welding process do not let flame burn out other parts Removal operation for plate heat...

Page 120: ...to Operation Instruction 2 Disconnect inlet pipe and outlet pipe of plate heat exchanger Weld those 4 connection spots on the plate heat exchanger and then pull out the connection pipe Note During wel...

Page 121: ...s Photo Operation Instruction 1 Remove top cover Loose the screws fixing the top cover with screwdriver Hold the top cover upwards and then put it on the floor flatly 2 Remove front side plate sub ass...

Page 122: ...te Loose screws fixing left side plate and rear side plate with screwdriver remove the rear side plate Removal operation for blade Remark Before removing the motor please make sure that the unit is di...

Page 123: ...onnected with the power Process Photo Operation Instruction 3 Remove motor Loose screws fixing the motor with screwdriver then remove the power cord of motor Take out the damaged motor 4 Install motor...

Page 124: ...ing the power cord make marks for different color power cords and corresponding wiring terminals for wrong terminal 2 Disconnect compressor and connected pipeline Weld suction pipe and discharge pipe...

Page 125: ...peline of system again Weld the connection pipe of compressor connect the pipeline and compressor Note During welding process do not let flame burn out other parts 7 Connect the power cord of compress...

Page 126: ...Photo Operation Instruction 1 Disconnect the coil of 4 way valve from the 4 way valve Remove the coil of 4 way valve at first 2 Disconnect the 4 way valve and connection pipeline Weld those 4 connecti...

Page 127: ...rts Remival operation for eletronic expansion valve Remark Before removing the electronic expansion valve please make sure that there s no refrigerant in th pipeline of system and the power is disconn...

Page 128: ...te During welding process do not let the flame burn out other parts Removal operation of gas liquid separator Remark Before removing the gas liquid separator please make sure that there s no refrigera...

Page 129: ...as liquid separator well again Note During welding process do not let flame burn out other parts Removal operation for plate heat exchanger Remark Before removing the plate heat exchanger please make...

Page 130: ...on the plate heat exchanger and then pull out the connection pipe Note During welding process do not let flame burn out other parts 4 Replace new plate heat exchanger Weld the pipe connected with pla...

Page 131: ...ate with screwdriver Hold the front side plate upwards and then put it on the floor flatly 3 Remove rear side plate Loose the screws fixing the front panel and grille with screwdriver Put the front pa...

Page 132: ...Process Photo Operation Instruction 2 Remove blade Loosen nuts fixing the blade with wrench Then remove the blade and put it on the floor flatly 3 Remove motor Loose screws fixing the motor with scre...

Page 133: ...verse sequence Removal operation of compressor Remark Before removing the compressor please make sure that there s no refrigerant inside the pipeline and the power is disconnected Process Photo Operat...

Page 134: ...peline and the power is disconnected Process Photo Operation Instruction 2 Disconnect compressor and connected pipeline Weld suction pipe and discharge pipe of compressor then pull out the connection...

Page 135: ...erant inside the pipeline and the power is disconnected Process Photo Operation Instruction 4 Remove the compressor from the chassis Take out the compressor and replace it Note When replacing the comp...

Page 136: ...ect suction pipe and discharge pipe of copressor and pipeline of system again Weld the connection pipe of compressor connect the pipeline and compressor Note During welding process do not let flame bu...

Page 137: ...d well If there s no problem after checking install front and rear cover plates Removal operation for 4 way valve Remark Before removing the 4 way valve please make sure that there s no refrigerant in...

Page 138: ...y valve Replace 4 way valve Note During welding process do not let the flame burn out other parts 4 Replace 4 way valve Weld the connection position between 4 way valve and pipeline Note During weldin...

Page 139: ...isconnected Process Photo Operation Instruction 1 Disconnec the electronic expansion valve from the pipeline Remove the coil of electroc expansion valve at first Weld the connection pipe for expansion...

Page 140: ...stall the coil of electronic expansion valve Note During welding process do not let the flame burn out other parts Removal operation of gas liquid separator Remark Before removing the gas liquid separ...

Page 141: ...s liquid separator Weld the pipe connected with gas liquid separator Fix the screws at the base of gas liquid separator well again Note During welding process do not let flame burn out other parts Rem...

Page 142: ...disconnect the power Process Photo Operation Instruction 2 Remove the bracket of plate heat exchanger Twist off the nuts fixing the bracket of plate heat exchanger 3 Weld those 4 connection spots on...

Page 143: ...ving the plate heat exchanger please make sure that there s no refrigerant inside the pipeline of system and disconnect the power Process Photo Operation Instruction 4 Replace new plate heat exchanger...

Page 144: ...degree is reached to 0 1MPa or above If not there may be gas leakage Please perform the leakage inspection again If there s no gas leakage please vacuum pump for another 2h d If the required vaccum d...

Page 145: ...iquid pipe Record the amount of additional refrigerant for convenience of after sales service 2 Calculation of the amount of additional refrigerant Calculation method of the quantity of additional ref...

Page 146: ...0 1 8 1 8 2 0 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Note The refrigerant amount charged before delivery doesn t include the amount that needs to be added to indoor units and the connection pipeline Length of co...

Page 147: ...3m 2m 1m Total length of each liquid pipe 9 52 A B C a 10 105 5 3 23m 6 35 D b c d 5 3 2 1 11m Quantity of indoor unit 4 sets Therefore the minimum quantity of additional refrigerant 23 0 054 11 0 022...

Page 148: ...r meter for liquid pipe kg m 22 2 19 05 15 9 12 7 9 52 6 35 0 35 0 25 0 17 0 11 0 054 0 022 Note First confirm that there is no leakage from the system When compressor is not working charge additional...

Page 149: ...stem Nitrogen must be used as the medium for the airtightness test and the nitrogen should be dry Increase pressure slowly for three steps Step 1 Increase pressure slowly to 0 5MPa stop for 5min and t...

Page 150: ...utdoor unit and parts list 1 Model GMV 80WL A T GMV 100WL A T GMV 80WL C T GMV 100WL C T Exploded view NO Name of Part GMV 80WL A T GMV 100WL A T GMV 80WL C T GMV 100WL C T Product Code CN850W0530 CN8...

Page 151: ...21 Front Side Plate 01314100044P 1 22 Handle 26235253 1 23 Front Grill 01572800003 1 24 Drainage hole Cap 06813401 1 25 Chassis Sub Assy 017000000148P 1 26 Motor Support Sub Assy 01804100309 1 27 Clap...

Page 152: ...and Valve Fitting 4304413220 1 52 Strainer 07212121 1 53 Silencer 07245012 1 54 Condenser Sub Assy 01000200003302 1 55 Rear Grill 01574100010 1 56 Inhalation Tube Sub Assy 04574100067 1 57 Oil Separat...

Page 153: ...ric Box Cover 01424100064 1 3 Electric Box Assy 100002000960 1 4 PFC Inductance 43120011 1 5 Main Board 30221000024 1 6 Filter Board 300020000004 1 7 Main Board 30226000045 1 8 Radiator 4901800007501...

Page 154: ...agnet Coil electromagnetic valve 4304410018903 1 31 4 way Valve 4300008201 1 32 Magnet Coil 4304410018902 1 33 Compressor 00205200003 1 34 Compressor Gasket 76713066 1 35 Sensing Device 322101032 1 36...

Page 155: ...57 Oil Separator 07228302 1 58 Strainer 07415200002 1 59 Discharge Tube Sub Assy 030013000499 1 60 Discharge Charge Valve 07133771 1 61 Electronic Expansion Valve 07334390 1 62 Electronic Expansion Va...

Page 156: ...Diversion Circle 10474100003 1 16 Front Grill 1572800003 1 17 Gas liquid Separator 7424145 1 18 Compressor and Fittings 9001060150 1 19 Nut with Washer 70310014 3 20 Electrical Heater Compressor 7651...

Page 157: ...100002062969 1 50 Fixed Mount 200115000011 1 51 Radiator Cushion Block 1 430059000004 1 52 Main Board 300027000118 1 53 Wiring Terminal 42010264 1 54 Radiator Cushion Block 2 430059000005 1 55 Inducta...

Page 158: ...141WL C T Product Code CN850W0880 Part Code Quantity 74 Rear Grill 1574100014 1 75 Temperature Sensor Support 26905202 1 76 Corrugated Pipe 5015408 1 77 Drainage hole Cap 76715005 3 78 Drainage Joint...

Page 159: ...r 15704115 1 14 Sensor Sub Assy 39008000061G 1 15 Fan Motor 1570411501 1 16 Front Grill 26904100026 1 17 Cabinet 01514100002P 1 18 Front Side Plate 01314100012P 1 19 Handle 26235253 1 20 Front Connect...

Page 160: ...3 1 46 Discharge Charge Valve 07133771 1 47 Electronic Expansion Valve 07334447 1 48 Electric Expand Valve Fitting 4304413205 1 49 Electronic Expansion Valve 07334390 1 50 Electric Expand Valve Fittin...

Page 161: ...Quantity 1 Front Grill 26904100026 2 2 Cabinet 01514100005 1 3 Front Side Plate 01314100012P 1 4 Handle 26235253 2 5 Front Connection Board 01344100002P 1 6 Diversion Circle 10474100001 2 7 Axial Flow...

Page 162: ...ff Valve 07130239 1 28 Low Pressure Survey Valve Sub Assy 07334100067 1 29 Inhalation Tube Sub assy 04574100107 1 30 Strainer 07212121 1 31 Electromagnetic Valve 43000054 1 32 Discharge Tube Sub Assy...

Page 163: ...WL C T GMV 140WL C T GMV 160WL C T CN850W0440 CN850W0450 CN850W0460 Quantity 1 Front Grill 2 2 Cabinet 1 3 Handle 2 4 Front Side Plate 1 5 Diversion Circle 2 6 Axial Flow Fan 1 7 Brushless DC Motor 1...

Page 164: ...7 Right Connection Board 1 28 Rear Side Plate Sub Assy 1 29 Sensor 1 30 Gas liquid Separator 1 31 Strainer 1 32 Condenser Assy 1 33 Sensor High Pressure 1 34 Nozzle for Adding Freon 1 35 Pressure Prot...

Page 165: ...1 Front Grill 2 2 Handle 1 3 Diversion Circle 1 4 Cover 2 5 Front Side Plate 1 6 Axial Flow Fan 2 7 4 way Valve 1 8 Small Valve 2 9 Strainer 1 10 Electric Expand Valve Fitting 1 11 Discharge Charge Va...

Page 166: ...24 Rear Side Plate Sub Assy 1 25 Pressure Sensor Low 1 26 Strainer 1 27 Rear Grill 1 28 Condenser 1 29 Electric Box Assy 1 30 Terminal Board 1 31 Terminal Board 1 32 Main Board 1 33 Inductance 1 34 Br...

Page 167: ...2 Electric Box Assy 01394100349 1 3 Radiator 49018000083 2 4 Rectifier 46010604 1 5 Reactor 4313017401 1 6 Main Board 30223000045 1 7 Phase Reverse Protector 32218018 1 8 Filter Board 30228000015 1 9...

Page 168: ...4000417 1 34 Electric Expansion Valve Sub Assy 43044100160 1 35 One Way Valve 07133618 1 36 Electronic Expansion Valve 43044100173 1 37 Electric Expand Valve Fitting 4304413219 1 38 Sensor High Pressu...

Page 169: ...ic Box Assy 01394100496 1 3 Radiator 49018000083 2 4 Reactor 4313017401 1 5 Main Board 30223000072 1 6 Rectifier 46010604 1 7 Phase Reverse Protector 32214101 1 8 Filter Board 30223000025 1 9 Main Boa...

Page 170: ...Heat Exchanger Assy 00904100029 1 35 Electronic Expansion Valve 43044100172 1 36 Electric Expand Valve Fitting 4304413204 1 37 Rear Side Plate 01314100092P 1 38 Inhalation tube Assy 04574100168 1 39 E...

Page 171: ...adiator 49018000083 2 4 Reactor 4313017401 1 5 Rectifier 46010604 1 6 Main Board 30223000072 1 7 Phase Reverse Protector 32214101 1 8 Filter Board 30223000025 1 9 Main Board 30226000066 1 10 Terminal...

Page 172: ...1 37 Magnet Coil 4304000413 1 38 Rear Side Plate 01314100092P 1 39 Handle 26235253 2 40 Sensor High Pressure 322101032 1 41 Sensing Device 322101002 1 42 Plate type Heat Exchanger 00904100004 1 43 Ele...

Page 173: ...JF00302323...

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