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Gree GMV-80WL/A-T Service Manual

Dc inverter vrf system service manual(r410a)
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DC INVERTER VRF SYSTEM SERVICE
MANUAL(R410A)

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Summary of Contents for Gree GMV-80WL/A-T

  • Page 1 DC INVERTER VRF SYSTEM SERVICE MANUAL(R410A)
  • Page 2 CONTENTS PRODUCT ............................1 1 PRODUCT LIST ............................1 2 NOMENCLATURE ............................3 2.1 Nomenclature of outdoor units ........................3 3 PRODUCT FEATURES ..........................3 3.1 General introduction ............................3 3.2 Features................................3 4 SPECIFICATIONS ............................4 4.1 Specifications ..............................4 4.2 Operation range ..............................
  • Page 3 ....................... 104 5 REMOVAL OF PARTS 5.1 Key parts ............................... 104 5.2 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’...
  • Page 4 DC INVERTER VRF SYSTEM II SERVICE MANUAL(R410A) PRODUCT...
  • Page 5 DC Inverter Multi VRF System II Service Manual PRODUCT 1 Product List Cooling Heating Power Model Product Code Capacity Capacity Refrigerant Appearance Supply (kW) (kW) GMV-80WL/A-T CN850W0530 GMV-100WL/A-T CN850W0430 220-240V GMV-121WL/A-T CN850W0420 12.1 13.0 50Hz R410A 208-230V GMV-80WL/C-T CN850W0590 60Hz...
  • Page 6 GREE DC Inverter Multi VRF System II Service Manual Cooling Heating Power Refrigerant Appearance Model Product Code Capacity Capacity Supply (kW) (kW) GMV-120WL/C-X CN850W0470 12.1 14.0 380-415V 3N~50Hz R410A GMV-140WL/C-X CN850W0480 14.0 16.5 380-415V 3N~60Hz GMV-160WL/C-X CN850W0490 16.0 18.5 GMV-H224WL/A-X CN850W0330 22.2...
  • Page 7 3 Product Features 3.1 General introduction Gree DC Inverter Multi VRF System II is the latest generation of DC inverter units. One set of air-cooled outdoor unit can be connected with multiple direct evaporation indoor units that are of the same or different forms and capacity.
  • Page 8 GREE DC Inverter Multi VRF System II Service Manual Through a series of optimized measures, system has reduced the throttle noise and oil return noise of indoor units, gas bypass noise, etc. so that units are more comfortable regarding sound quality.
  • Page 9 GREE DC Inverter Multi VRF System II Service Manual GMV-120 GMV-140 GMV-160 GMV-120 GMV-140 GMV-160 Model WL/C-T WL/C-T WL/C-T WL/C-X WL/C-X WL/C-X Cooling capacity 12.1 14.0 16.0 12.1 14.0 16.0 Heating capacity 14.0 16.5 18.0 14.0 16.5 18.0 Circulating air...
  • Page 10 Connection Brazing Brazing Brazing Brazing Brazing Brazing Method Connection Connection Connection Connection Connection Connection Net weight Model GMV-80WL/A-T GMV-100WL/A-T GMV-121WL/A-T GMV-80WL/C-T Cooling capacity 12.1 Heating capacity 13.0 Circulating air volume 3900 4000 4400 3900 Noise dB(A) (Sound Power Lever) Refrigerant charge...
  • Page 11 GREE DC Inverter Multi VRF System II Service Manual Model GMV-100WL/C-T GMV-121WL/C-T GMV-141WL/C-T Compressor QXAS-D32zX090A QXFS-F428zX450E Water-proof level IPX4 IPX4 IPX4 Suitable climite Φ15.9 Φ15.9 Φ15.9 Connection Liquid Φ9.52 Φ9.52 Φ9.52 pipe Connection Flare Flare Flare Method Net weight Note: Units conform to design standard: EN 14511.
  • Page 12 GREE DC Inverter Multi VRF System II Service Manual 4.2 Operation range Cooling Outdoor temperature: -5 Heating Outdoor temperature: -20 5 Product Capacity Correction 5.1Correction factor of indoor and outdoor temperature 1 Correction factor of cooling capacity 2 Correction factor of heating capacity...
  • 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/C-T GMV-100WL/C-T GMV-121WL/C-T GMV-141WL/C-T GMV-120WL/A-T GMV-140WL/A-T GMV-160WL/A-T GMV-120WL/A-X GMV-140WL/A-X GMV-160WL/A-X GMV-H224WL/A-X GMV-H280WL/A-X...
  • Page 14 Components in flowcharts are presented according to the following table: Name Compressor 4-way valve Cut-off valve One-way valve Capillary tube Symbol Gas-liquid Pressure Pressure Axial-flow finned heat Electronic expansion Name separator switch sensor exchanger valve Symbol GMV-80WL/A-T GMV-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...
  • Page 15 GREE DC Inverter Multi VRF System II Service Manual GMV-80WL/C-T GMV-100WL/C-T GMV-121WL/C-T...
  • Page 16 GREE DC Inverter Multi VRF System II Service Manual GMV-141WL/C-T...
  • Page 17 GREE DC Inverter Multi VRF System II Service Manual GMV-224WL/C-X GMV-H224WL/A-X In cooling, the low-temperature and low-pressure refrigerant gas from each indoor heat exchanger will be merged and inhaled by the compressor and then become high-temperature and high-pressure gas, which will later be discharged into outdoor heat exchangers. By exchanging heat with outdoor air, refrigerant will turn to liquid and flow to each indoor unit via Y-type branch or manifold.
  • Page 18 GREE DC Inverter Multi VRF System II Service Manual CONTROL...
  • Page 19 2 Remote Monitoring System 2.1 General introduction Gree CAC Remote Monitoring System is an automatic central management system as well as an intelligent power management system based on internet or local area network. It can provide a complete set of air conditioning solutions, including remote monitor, malfunction alarms and visual management, for the real-time, safe and efficient management of air conditioners.
  • Page 20 This will not only improve the productivity, but also reduce cost on human resources, property and management. Gree Commissioning Tool Kits can monitor and control the 2nd generation of Gree Multi VRF. User can monitor and control units by monitoring the computer. This software is an efficient tool for the intelligent air conditioning management as well as installation and after-sales service and commissioning.
  • Page 21 Instruction manual 66174100018 Instruction manual 3.3.2 Gree USB data converter 3.3.2.1 Functions introduction Gree USB data converter will convert the RS485, HBS and CAN commucation within the air conditioners into the communication that is recognizable by computer’s USB interface. 3.3.2.2 Appearance...
  • Page 22 GREE DC Inverter Multi VRF System II Service Manual 3.3.2.3 Operation instruction z Power LED: a red light. If the red light is on, it indicates normal power supply. If the red light is off, it indicates the power supply of converter is not normal.
  • Page 23 CAN interface of Gree USB converter. As shown below, the wire can be connected to the communication interface of outdoor unit or the communication interface of indoor unit:...
  • Page 24 Gree Commissioning Tool Kits is applicable to air conditioning system that comsists of multiple series and models. Later, it will be developed to cover all series of Gree central air conditioners, such as multi VRF, centrifugal chiller, screw type chiller, ground source heat pump units, modular units, fan coiled units, close control units, etc.
  • Page 25 Put the CD into the CD-ROM. If it’s automically running, then the following display will be shown. Or double-click the file “Launcher.exe”. For the first time to use Gree Commissioning Tool Kits, install these programmes: .Net Framework 4.0, USB Data Converter, Access Driver (necessary for versions below OFFICE 2007), Gree Debugger.
  • Page 26 GREE DC Inverter Multi VRF System II Service Manual 3.4.1.2 Installation flowchart Button Graphics 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 4.0 or versions above, there’s no need to install...
  • Page 27 GREE DC Inverter Multi VRF System II Service Manual 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 z Installation is in progress. z Click “Finish” to complete the installation.
  • Page 29 GREE DC Inverter Multi VRF System II Service Manual (2) Install Access Driver z Before operating Gree commissioning software, please first install Access Driver (necessary for versions below OFFICE 2007). Click “Install Access Driver”. z Click ”Next”.
  • Page 30 GREE DC Inverter Multi VRF System II Service Manual 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 the...
  • Page 31 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 or versions above. Then click “Install Gree Debugger”.
  • Page 32 GREE DC Inverter Multi VRF System II Service Manual 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 z Click “Next”. z Installation is in progress.
  • Page 34 GREE DC Inverter Multi VRF System II Service Manual 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, click “Install USB Converter Driver”.
  • Page 35 GREE DC Inverter Multi VRF System II Service Manual z Then the following installation window will be shown. z This window will exit after installation is finished.
  • Page 36 GREE DC Inverter Multi VRF System II Service Manual (5) Install Gree USB Data Converter z If converter baud rate is needed to be set, then converter configuring software must be installed. Click “Install Gree USB Data Converter”. Then select the setup language. You can choose Chinese ”simplified”, Chinese “traditional” or English.
  • Page 37 GREE DC Inverter Multi VRF System II Service Manual ick “I accept the agreement”. Then click “Next” to continue installation. Click “Browse” to select your expected installation folder. Click “Next” to continue.
  • Page 38 GREE DC Inverter Multi VRF System II Service Manual Click “Browse” to change folder. Click “Next” to continue. If you want to create s desktop shortcut, tick “Creat a desktop icon”. Then click “Next” to continue.
  • Page 39 GREE DC Inverter Multi VRF System II Service Manual 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 DC Inverter Multi VRF System II Service Manual Click “Finish” to complete the installation. 3.4.2 Data monitoring Start up Gree Debugger. On the original interface, user can select language and units system. Click “OK” to confirm the defaulted language and units system and start up the software.
  • Page 41 GREE DC Inverter Multi VRF System II Service Manual Select language. Select system of units. 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 numbers. Otherwise,...
  • Page 42 GREE DC Inverter Multi VRF System II Service Manual 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 Protocal selection: This is to select the communication method of your units. Currently, CAN is applicable to the units.
  • Page 44 GREE DC Inverter Multi VRF System II Service Manual After the selection, click “Connnect”. If units can communicate normally with computer, then the interface of numbers will be shown soon. Otherwise, “Connecting” will be shown.
  • Page 45 GREE DC Inverter Multi VRF System II Service Manual There are several display zones on this interface. You can hide devices information and system information by clicking devices information icon and system icon . Display zones of indoor unit information and errors can be dragged up and down at 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).
  • Page 46 GREE DC Inverter Multi VRF System II Service Manual 3.4.3 Project debugging Click icon of “Debug” on the menu bar and the interface will be switched 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.
  • Page 47 GREE DC Inverter Multi VRF System II Service Manual If “OK” button is displayed, it means user needs to judge whether to continue debugging or not. Click icon and relevant information will be shown for your reference. Click “Close” to close the pop-up (For No.3 Confirm ODU Basic Module NO.
  • Page 48 GREE DC Inverter Multi VRF System II Service Manual During debugging, a click on “Break” can stop debugging. Click “Start” to resume debugging and then debugging will be finished step by step. For No.10 ODU Valves Check Before Startup, there are “Back”...
  • Page 49 GREE DC Inverter Multi VRF System II Service Manual 3.4.4 Control units Click icon of “Setting” on menu bar and select parameter settings, which include “Gateway Settings”, “IDU Settings”, “System Settings”, “Project Number Conflict (In case there is project number conflict in indoor units, other functions will be shielded.
  • Page 50 GREE DC Inverter Multi VRF System II Service Manual Tick the indoor units that need setting in the IDU selection zone or you may click “Select All” to select all 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.
  • Page 51 GREE DC Inverter Multi VRF System II Service Manual 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 GREE DC Inverter Multi VRF System II Service Manual Search for database folder 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...
  • Page 53 GREE DC Inverter Multi VRF System II Service Manual displayed on the interface will be temperature. Select “Pressure” and the pressure parameter displayed on the pressure interface will be pressure. Refrigerant type will affect the pressure parameter displayed on the interface.
  • Page 54 GREE DC Inverter Multi VRF System II Service Manual Change database saving path and rebuild database z Change of database saving path and rebuilding 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.
  • Page 55 3.4.6 Usage of USB Converter Usage of converter 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 air conditioners with multiple systems, connect G1 and G2 interfaces of the wiring board.
  • Page 56 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 your computer as other devices and make sure your mouse can work well, it is necessary to turn off the Serail Enumerator of computer after Gree USB data converter is connected.
  • Page 57 GREE DC Inverter Multi VRF System II Service Manual 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 Step 4: Then click ”Port Settings” in the dialog box.
  • Page 59 GREE DC Inverter Multi VRF System II Service Manual 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 exit.
  • Page 60 GREE DC Inverter Multi VRF System II Service Manual Usage of converter configuring software: When the converter is working, hold the button ”SET” for 5 sec. Function LED will be flickering, indicating that the converter has enter the baud rate setting mode. Then you can use the converter configuring software to set the baud rate of converter.
  • Page 61 GREE DC Inverter Multi VRF System II Service Manual Baud rate look-up table for HBS interface (unit: bps) 9600 19200 57600 HBS interface 38400 9600 19200 USB interface 4800 38400 Baud rate look-up table of CAN interface (unit: bps) 20000...
  • Page 62 GREE DC Inverter Multi VRF System II Service Manual 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”. If you want to restore ex-factory settings, click “Default” to restore the default settings.
  • Page 63 GREE DC Inverter Multi VRF System II Service Manual Click “Get” to get the current setting details of converter. Switchover of Software Languages...
  • Page 64 GREE DC Inverter Multi VRF System II Service Manual INSTALLATION...
  • Page 65 GREE DC Inverter Multi VRF System II Service Manual INSTALLATION 1 Engineering Installation Preparation and Notice 1.1 Installation notice Personnel and property safety are highly concerned during the entire installation process. Installation implementation must abide by relevant national safety regulations to ensure personnel and property safety.
  • Page 66 GREE DC Inverter Multi VRF System II Service Manual Installation Problem Possible Consequence The ratio of slop for condensate water pipe is insufficient or the Reverse slop or inconsistent connection of condensate water pipe can hinder the condensate water pipe is smooth drainage and cause leakage of the IDU.
  • Page 67 GREE DC Inverter Multi VRF System II Service Manual e. Specifications requirement R410A Refrigerant System OD (mm/inch) Wall Thickness (mm) Model Ф6.35(1/4) ≥0.8 Ф9.52(3/8) ≥0.8 Ф12.70(1/2) ≥0.8 Ф15.9(5/8) ≥1.0 Ф19.05(3/4) ≥1.0 Ф22.20(7/8) ≥1.2 Ф25.40(8/8) ≥1.2 f. After the inner part of the copper pipe is cleaned and dried, the inlet and outlet must be sealed tightly by using pipe caps, plugs or adhesive tapes.
  • Page 68 GREE DC Inverter Multi VRF System II Service Manual Communication cable selection for IDU and wired controller Total Length of Communication Cables Number of Wire Pieces Wire Type Wire Standard Remark of the IDU and Wired x Wire Diameter (mm...
  • Page 69 GREE DC Inverter Multi VRF System II Service Manual 3.4 Installation notices In order to ensure proper operation, the selection of installation site must conform to the following principle: ●The discharged air of outdoor unit will not flow back and there is sufficient space around the unit for maintenance;...
  • Page 70 GREE DC Inverter Multi VRF System II Service Manual Model GMV-120WL/A-T GMV-140WL/A-T GMV-160WL/A-T GMV-120WL/A-X GMV-140WL/A-X GMV-160WL/A-X 1345 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-H224WL/A-X 1430 GMV-224WL/C-X GMV-H280WL/A-X GMV-H335WL/A-X 1615 GMV-280WL/C-X GMV-335WL/C-X...
  • Page 71 GREE DC Inverter Multi VRF System II Service Manual Unit: mm Model GMV-80WL/A-T GMV-100WL/A-T GMV-121WL/A-T GMV-80WL/C-T GMV-100WL/C-T GMV-121WL/C-T GMV-141WL/C-T 3.7 Installation space requirement If all sides of the ODU (including the top) are surrounded by walls, process according to the following...
  • Page 72 GREE DC Inverter Multi VRF System II Service Manual DEBUGGING &MAINTENANCE...
  • Page 73 DC INVERTER VRF SYSTEM II SERVICE MANUAL(R410A) DEBUGGING &MAINTENANCE 1 Debugging of Unit Caution: 1. After the initial installation is finished and the main board of outdoor unit is replaced, it must perform debugging. Otherwise, the unit can’t operate. 2. The debugging must be performed by professional person or under the the guide of professional person.
  • Page 74 DC Inverter Multi VRF System II Service Manual 1.2 Debugging of unit Debugging procedure for test run, display instruction for indicator on main board of outdoor unit and operation method are as below: GMV-80WL/A-T GMV-100WL/A-T GMV-121WL/A-T GMV-80WL/C-T GMV-100WL/C-T GMV-121WL/C-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-H224WL/A-X...
  • Page 75 GREE DC Inverter Multi VRF System II Service Manual Stage process instruction for debugging —— Debugging code Process code Status code LED1 LED2 LED3 Code instruction and operation method Process Display Display Display Code Code Code status status status Confiration for the quantity of indoor unit of finished.
  • Page 76 GREE DC Inverter Multi VRF System II Service Manual Stage process instruction for debugging —— Debugging code Process code Status code LED1 LED2 LED3 Code instruction and operation method Process Display Display Display Code Code Code status status status confirm that the preheat time is reached to 8h and then enter into the next determination.
  • Page 77 GREE DC Inverter Multi VRF System II Service Manual Stage process instruction for debugging —— Debugging code Process code Status code LED1 LED2 LED3 Code instruction and operation method Process Display Display Display Code Code Code status status status Corre There’s malfunction during debugging process...
  • Page 78 GREE DC Inverter Multi VRF System II Service Manual Description of each stage of debugging progress —— Debugging code Code meaning and operation method Progress Code Display status and capacity ratio power is off during troubleshooting, then restart debugging from progress 01 after power is on.
  • Page 79 GREE DC Inverter Multi VRF System II Service Manual Description of each stage of debugging progress —— Debugging code Code meaning and operation method Progress Code Display status Valves status is normal. Unit will display as in the left for 2s and Display then start next step.
  • Page 80 GREE DC Inverter Multi VRF System II Service Manual Debugging project Parameters name Unit Reference value for the system is -15~8 . Opening angle of ●During cooling operation, the electronica expansion valve electrocnic for heating will always be kept at 480PLS;...
  • Page 81 GREE DC Inverter Multi VRF System II Service Manual 2 Malfunction List 2.1 Malfunction list for the wired controller Display Display Display Content Content Content code code code Wrong number of indoor Malfunction of Malfunction of water unit for one-to-more indoor...
  • Page 82 GREE DC Inverter Multi VRF System II Service Manual 2.2 Status display table for indicators on main board of outdoor unit Definition: LED1: It displays “00” for hot water mode as for DC Inverter Side Discharge VRF LED2: It displays “AC” for AC mode, cooling and cooling OFF mode for indoor unit, and displays “AH”...
  • Page 83 Heating only model Cooling only model Heat pump unit Low temperature Fan model Negative code protection for drive module 2.3 Function Setting of Outdoor Unit GMV-80WL/A-T GMV-100WL/A-T GMV-121WL/A-T GMV-80WL/C-T GMV-100WL/C-T GMV-121WL/C-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-H224WL/A-X GMV-H280WL/A-X GMV-H335WL/A-X GMV-H224WL/A-X GMV-H280WL/A-X...
  • Page 84 GREE DC Inverter Multi VRF System II Service Manual compulsory defrosting (n3) After selecting relevant functions, press SW7 to confirm and start setting this function. Main board of outdoor unit will display as below: LED1 LED2 LED3 Function code Display...
  • Page 85 GREE DC Inverter Multi VRF System II Service Manual 2.3.2 Cool & Heat Function This function can set operation modes and prevent mode collision that is caused by setting different modes for different indoor units. It is especially suitable for hotels and other small business areas. There are 3 levels for this setting: Level A—Mode Lock Control...
  • Page 86 GREE DC Inverter Multi VRF System II Service Manual 2.3.3 Forced Defrosting This function can only be set when outdoor compressor is running. Upon entering this function, main board of outdoor unit will display as below: LED1 LED2 LED3 Function code...
  • Page 87 GREE DC Inverter Multi VRF System II Service Manual GMV-141WL/C-T When debugging is finished, press SW1 on the master unit for 5s and unit will be ready for function setting. Default display of outdoor unit’s main board is as below, then press SW1 button( ) and SW2 button( ) on the master unit to switch function codes of LED to select relevant functions.
  • Page 88 GREE DC Inverter Multi VRF System II Service Manual Function Function code Display Current status Blink Quiet mode setting Current status Blink Heat pump function setting Current status Blink Defrosting period K 1 setting Current status Blink Setting of upper limit of IDU/ODU capacity distribution ratio...
  • Page 89 GREE DC Inverter Multi VRF System II Service Manual Function code Display 00~12 Notice: code 00 of LED refers to normal mode. Codes 01~09 refer to smart night silent mode. Codes 10~12 refer to compulsory silent mode. When setting is finished, master unit will memorize it so that it can’t be cancelled even when power is on or off.
  • Page 90 GREE DC Inverter Multi VRF System II Service Manual When applicable mode is selected, press SW3 to confirm. The related display is as below: Function code Display This setting will be memorized by master unit and can’t be cancelled even when power is on or off.
  • Page 91 GREE DC Inverter Multi VRF System II Service Manual on the main board of ODU for more than 10s, then all LEDs will blink for 5s. All settings are cleared out, including the IP addresses and project codes of IDU and ODU. The mark for finished debugging remains the same.
  • Page 92 GREE DC Inverter Multi VRF System II Service Manual 3 Troubleshooting Troubleshooting principle 1) Communication malfunction Communication malfunction Check whether indoor unit and Energize indoor unit and outdoor unit is power supplied outdoor unit Check whether the Connect the communication...
  • Page 93 GREE DC Inverter Multi VRF System II Service Manual 2) High pressure protection High pressure protection Measure whether Replace main Measure whether the high pressure the pressure board of outdoor is too high with manometer switch is normal unit Replace...
  • Page 94 GREE DC Inverter Multi VRF System II Service Manual 3) Low-pressure protection Low pressure protection Measure Replace main whether the Measure whether the low pressure board of outdoor is too low with manometer pressure switch unit is normal Replace pressure switch...
  • Page 95 GREE DC Inverter Multi VRF System II Service Manual 4) Discharge temperature protection Discharge temperature protection Measure whether the Replace main board of resistance valve for Check whether the discharge temperature for compressor is temperature sensor is outdoor unit reached to 113...
  • Page 96 GREE DC Inverter Multi VRF System II Service Manual 5) Mafunction of temperature sensor Malfunction of temperature sensor Conform whether the Whether the plug of temperature is connected with the plug of main board plug is connected correctly correctly Replace temperature...
  • Page 97 GREE DC Inverter Multi VRF System II Service Manual 8) Failure start-up Failure start-up for consecutive 6 times Work normally after replacing main board? Replace compressor and Work normally liquid gas separator 9) Reset protection for drive module of compressor, drive PFC protection for compressor, malfunction of...
  • Page 98 GREE DC Inverter Multi VRF System II Service Manual 11) Desynchronizing protection for inverter compressor Wired controller displays P0 LED3 dual-8 nixie tube displays P9 Whether the Adjust the sequence of wire sequence of wire for compressor is for compressor...
  • Page 99 GREE DC Inverter Multi VRF System II Service Manual 13) Loop malfunction of driven charging for compressor Wired controller displays P0 LED3 dual-8 nixie tube displays PF Check whether the wires for PFC induction is correct/ Replace main Reinsert the...
  • Page 100 GREE DC Inverter Multi VRF System II Service Manual 15) Overcurrent protection for inverter compressor, IPM module protection, phase-lacking of inverter compressor Wired controller displays P1 LED3 dual-8 nixie tube displays P5 P6 or PE Whether the sequence of wire...
  • Page 101 GREE DC Inverter Multi VRF System II Service Manual 17) AC current protection for inverter compressor Wired controller displays E0 LED3 dual-8 nixie tube displays PP Replace main board Work normally 18) Communication malfunction between main contoller and driver of inverter compressor...
  • Page 102 GREE DC Inverter Multi VRF System II Service Manual 4 Power Distribution of Unit 4.1 Power distribution of unit The control logical relationship among parts inside the electric box of unit is showed by the mongline diagram (CAD source file).
  • Page 103 PWM wave. Pressure will be increased by induction. 4.3 Circuit diagram Circuit diagram of outdoor unit (The following are for reference only, the circuit diagram can be found on the unit) GMV-80WL/A-T, GMV-100WL/A-T GMV-121WL/A-T GMV-80WL/C-T, GMV-100WL/C-T...
  • Page 104 GREE DC Inverter Multi VRF System II Service Manual 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 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 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 GMV-H280WL/A-X, GMV-280WL/C-X: GMV-H335WL/A-X,GMV-335WL/C-X:...
  • Page 108 GREE DC Inverter Multi VRF System II Service Manual 5 Removal of Parts 5.1 Key parts Photo Name Function Core part of air conditioning system. It sucks low temperature and low pressure gas, compress it to high compressor temperature and high pressure gas, and then discharge Electronic Throttling device.
  • Page 109 GREE DC Inverter Multi VRF System II Service Manual Photo Name Function It stays between outlet of evaporator and suction ouitlet Vapour liquid of compressor. It used for separating low temperature separator and low pressure refrigerant. High pressure It used for storing the superfluous high pressure liquid refrigerant liquid during cooling process.
  • Page 110 GREE DC Inverter Multi VRF System II Service Manual 5.2 Removal of key parts 5.2.1 GMV-120WL/A-T, GMV-140WL/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 GMV-H224WL/A-X, GMV-H280WL/A-X, GMV-H335WL/A-X , GMV-224WL/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...
  • Page 111 GREE DC Inverter Multi VRF System II Service Manual Removal operation for panel Remark: Before removing the panel, please make sure that the unit is disconected with the power Process Photo Operation Instruction ● Loose the screws fixing the front...
  • Page 112 GREE DC Inverter Multi VRF System II Service Manual Removal operation for blade Remark: Before removing the motor, please make sure that the unit is disconnected with the power. Process Photo Operation Instruction ● Loosen nuts fixing the blade with wrench 2) Remove ●...
  • Page 113 GREE DC Inverter Multi VRF System II Service Manual Removal operation for blade Remark: Before removing the motor, please make sure that the unit is disconnected with the power. Process Photo Operation Instruction ● Assemble the unit in 5) Assemble unit...
  • Page 114 GREE DC Inverter Multi VRF System II Service Manual 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 Operation Instruction 3) Loose nuts...
  • Page 115 GREE DC Inverter Multi VRF System II Service Manual 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 Operation Instruction Weld the connection...
  • Page 116 GREE DC Inverter Multi VRF System II Service Manual Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected. Process Photo Operation Instruction...
  • Page 117 GREE DC Inverter Multi VRF System II Service Manual Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected. Process Photo Operation Instruction ●...
  • Page 118 GREE DC Inverter Multi VRF System II Service Manual 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 disconnected Process...
  • Page 119 GREE DC Inverter Multi VRF System II Service Manual Removal operation of gas liquid separator Remark: Before removing the gas liquid separator, please make sure that there’s no refrigerant inside the pipeline of system and disconnect the power Process Photo Operation Instruction ●...
  • Page 120 GREE DC Inverter Multi VRF System II Service Manual Removal operation for plate heat exchanger Remark: Before removing 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 ●...
  • Page 121 GREE DC Inverter Multi VRF System II Service Manual 5.2.2 GMV-80WL/A-T GMV-100WL/A-T GMV-121WL/A-T GMV-80WL/C-T GMV-100WL/C-T GMV-121WL/C-T series unit Removal operation for panel Remark: Before removing the panel, please make sure that the unit is disconected with the power Process Photo Operation Instruction ●...
  • Page 122 GREE DC Inverter Multi VRF System II Service Manual Removal operation for panel Remark: Before removing the panel, please make sure that the unit is disconected with the power Process Photo Operation Instruction ● Loose screws fixing left side 4. Remove left...
  • Page 123 GREE DC Inverter Multi VRF System II Service Manual Removal operation for blade Remark: Before removing the motor, please make sure that the unit is disconnected with the power. Process Photo Operation Instruction ● Loose screws fixing the motor with screwdriver 3.
  • Page 124 GREE DC Inverter Multi VRF System II Service Manual 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 Operation Instruction ● Loose screws fiixng...
  • Page 125 GREE DC Inverter Multi VRF System II Service Manual 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 Operation Instruction After replacing the 5.
  • Page 126 GREE DC Inverter Multi VRF System II Service Manual Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected. Process Photo Operation Instruction 1.Disconnect...
  • Page 127 GREE DC Inverter Multi VRF System II Service Manual Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected. Process Photo Operation Instruction ●...
  • Page 128 GREE DC Inverter Multi VRF System II Service Manual Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected. Process Photo Operation Instruction ●...
  • Page 129 GREE DC Inverter Multi VRF System II Service Manual Removal operation of gas liquid separator Remark: Before removing the gas liquid separator, please make sure that there’s no refrigerant inside the pipeline of system and disconnect the power Process Photo Operation Instruction ●...
  • Page 130 GREE DC Inverter Multi VRF System II Service Manual Removal operation for plate heat exchanger Remark: Before removing 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 ●Weld those 4...
  • Page 131 GREE DC Inverter Multi VRF System II Service Manual Removal operation for panel Remark: Before removing the panel, please make sure that the unit is disconected with the power Process Photo Operation Instruction ● Loose the screw fixing the front side plate with screwdriver 2.
  • Page 132 GREE DC Inverter Multi VRF System II Service Manual Removal operation for blade Remark: Before removing the motor, please make sure that the unit is disconnected with the power. Process Photo Operation Instruction ● Loosen nuts fixing the blade 2. Remove...
  • Page 133 GREE DC Inverter Multi VRF System II Service Manual Removal operation for blade Remark: Before removing the motor, please make sure that the unit is disconnected with the power. Process Photo Operation Instruction ● Assemble the unit in the the 5.
  • Page 134 GREE DC Inverter Multi VRF System II Service Manual 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. Operation Process Photo Instruction ● Weld suction pipe...
  • Page 135 GREE DC Inverter Multi VRF System II Service Manual 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. Operation Process Photo Instruction ● Take out the...
  • Page 136 GREE DC Inverter Multi VRF System II Service Manual 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. Operation Process Photo Instruction Weld the connection pipe of 6.
  • Page 137 GREE DC Inverter Multi VRF System II Service Manual 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. Operation Process Photo Instruction ●Check whether the...
  • Page 138 GREE DC Inverter Multi VRF System II Service Manual Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected. Process Photo Operation Instruction ●...
  • Page 139 GREE DC Inverter Multi VRF System II Service Manual Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected. Process Photo Operation Instruction ●...
  • Page 140 GREE DC Inverter Multi VRF System II Service Manual Removal operation for 4-way valve Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system and then power is disconnected. Process Photo Operation Instruction ●...
  • Page 141 GREE DC Inverter Multi VRF System II Service Manual Removal operation of gas liquid separator Remark: Before removing the gas liquid separator, please make sure that there’s no refrigerant inside the pipeline of system and disconnect the power Process Photo Operation Instruction ●...
  • Page 142 GREE DC Inverter Multi VRF System II Service Manual Removal operation for plate heat exchanger Remark: Before removing 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 2.Remove the...
  • Page 143 GREE DC Inverter Multi VRF System II Service Manual Removal operation for plate heat exchanger Remark: Before removing 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 ●...
  • Page 144 GREE DC Inverter Multi VRF System II Service Manual 6 Common Maintenance 6.1 Vacuum drying for the system 6.1.1 Selection requirement for the vaccum pump Do not use different vacuum pump for vaccum-pumping for different refrigerant system The final vacuum for the vacuum pump should reach -0.1Mpa;...
  • Page 145 GREE DC Inverter Multi VRF System II Service Manual 6.2 Fill and charge refrigerant 6.2.1 Filling procedure of regrigerant Calculate the additional volume of refrigerant (GMV-120WL/A-T GMV-140WL/A-T GMV-160WL/A-T GMV-120WL/A-X GMV-140WL/A-X GMV-160WL/A-X) 1) Refrigerant quantity of outdoor unit before delivery: GMV-120WL/...
  • Page 146 Note: Liquid pipe that is within 20m doesn’t need to be added with refrigerant. Therefore, the minimum quantity of additional refrigerant = (23-20)×0.054+11×0.022 0.404kg Calculate the additional volume of refrigera GMV-80WL/C-T GMV-100WL/C-T GMV-121WL/C-T GMV-80WL/A-T GMV-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 1) Refrigerant quantity of outdoor unit before delivery: GMV-...
  • Page 147 GREE DC Inverter Multi VRF System II Service Manual 3) Calculation example Duct type Duct type Duct type Duct type Model GMV-ND72PL/B-T GMV-ND50PL/B-T GMV-ND36PL/B-T GMV-ND25PL/B-T Liquid pipe: Pipe size Φ9.52 Φ9.52 Φ9.52 Φ6.35 Length Pipe size Φ9.52 Φ6.35 Φ6.35 Φ6.35...
  • Page 148 GREE DC Inverter Multi VRF System II Service Manual 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 connection pipe is decided on site. Therefore the amount of additional refrigerant shall be decided on site according to the dimension and length of field-installed liquid pipe.
  • Page 149 GREE DC Inverter Multi VRF System II Service Manual 6.3 Airtightness test 6.3.1 Importance of airtightness test The airtightness of VRF system is the leak tightness of the pipeline for refrigerant, which the guarantee for safe and reliable operation. The leakage of refrigerant may affect the operation of air conditioner seriously, or even damage compressor and then lead to breakdown of system.
  • Page 150 Note: Before airtightness test, all welding lines can’t be insulated and bundled. 7 Exploded View of Unit and Parts’ List 7.1 Exploed view for outdoor unit and parts’ list 1) Model: GMV-80WL/A-T GMV-100WL/A-T GMV-80WL/C-T GMV-100WL/C-T Exploded view GMV-80WL/A-T GMV-100WL/A-T GMV-80WL/C-T GMV-100WL/C-T...
  • Page 151 GREE DC Inverter Multi VRF System II Service Manual GMV-80WL/A-T GMV-100WL/A-T GMV-80WL/C-T GMV-100WL/C-T CN850W0530 Name of Part CN850W0430 Product Code CN850W0600 CN850W0590 Part Code Quantity Radiator '4901800007501 Terminal Board '42011242 Terminal Board '42018000026 Left Side Plate '01314100043P Drainage Connecter '06123401...
  • Page 152 GREE DC Inverter Multi VRF System II Service Manual GMV-80WL/A-T GMV-100WL/A-T GMV-80WL/C-T GMV-100WL/C-T CN850W0530 Name of Part CN850W0430 Product Code CN850W0600 CN850W0590 Part Code Quantity Pressure Protect Switch '4602000913 Plate-type Heat Exchanger '00904100003 Electric Expand Valve Fitting '4304413205 Electric Expand Valve Fitting...
  • Page 153 GREE DC Inverter Multi VRF System II Service Manual 2) Model: GMV-121WL/A-T GMV-121WL/C-T Exploded view GMV-121WL/A-T GMV-121WL/C-T CN850W0420 Name of Part Product Code CN850W0640 Part Code Quantity Coping '01264100027P Electric Box Cover '01424100064 Electric Box Assy '100002000960 PFC Inductance '43120011...
  • Page 154 GREE DC Inverter Multi VRF System II Service Manual GMV-121WL/A-T GMV-121WL/C-T CN850W0420 Name of Part Product Code CN850W0640 Part Code Quantity Compressor Overload Protector(External) '00183051 Electric Heater(Compressor) '7651873215 Brushless DC Motor '1570280000401 Axial Flow Fan '10434100005 Diversion Circle '10474100003 Cabinet...
  • Page 155 GREE DC Inverter Multi VRF System II Service Manual GMV-121WL/A-T GMV-121WL/C-T CN850W0420 Name of Part Product Code CN850W0640 Part Code Quantity Inhalation Tube Sub-Assy '04574100067 Oil Separator '07228302 Strainer '07415200002 Discharge Tube Sub-Assy '030013000499 Discharge Charge Valve '07133771 Electronic Expansion Valve...
  • Page 156 GREE DC Inverter Multi VRF System II Service Manual Parts list GMV-141WL/C-T Name of Part Product Code CN850W0880 Part Code Quantity Chassis Assy 209058060095 Electrical Heater 765100049 Condenser Assy 100060114 Silencer 7245012 Strainer 721212101 Temp Sensor Sleeving 5212423 Sensor Insert...
  • Page 157 GREE DC Inverter Multi VRF System II Service Manual GMV-141WL/C-T Name of Part Product Code CN850W0880 Part Code Quantity Plate-type Heat Exchanger 10007060010 Temp Sensor Sleeving 5212423 Electronic Expansion Valve 72009000001 Current Divider 7223431 Nut with Washer 70310012 Cut off Valve...
  • Page 158 GREE DC Inverter Multi VRF System II Service Manual GMV-141WL/C-T Name of Part Product Code CN850W0880 Part Code Quantity Rear Grill 1574100014 Temperature Sensor Support 26905202 Corrugated Pipe 5015408 Drainage hole Cap 76715005 Drainage Joint 26113009 4) Model: GMV-120WL/A-T GMV-140WL/A-T GMV-160WL/A-T...
  • Page 159 GREE DC Inverter Multi VRF System II Service Manual Parts list GMV-120WL/A-T,GMV-140WL/A-T,GMV-160WL/A-T Name of Part Product Code CN850W0180 /CN850W0170/CN850W0160 Part Code Quantity Coping 01264100008P Inductance Assy 01394100050 Inductance 43120122 Electric Box Assy 01394100124 Main Board 30228000005 Radiator 49018000013 Filter Board...
  • Page 160 GREE DC Inverter Multi VRF System II Service Manual GMV-120WL/A-T,GMV-140WL/A-T,GMV-160WL/A-T Name of Part Product Code CN850W0180 /CN850W0170/CN850W0160 Part Code Quantity Electromagnetic Valve 43000054 Magnet Coil 4304000417 Right Connection Board 01344100003P Rear Side Plate Sub-Assy 01314100011P Sensing Device 322101001 Sensor (High Pressure)
  • Page 161 GREE DC Inverter Multi VRF System II Service Manual 5) Model: GMV-120WL/A-X GMV-140WL/A-X GMV-160WL/A-X Exploded view Parts list GMV-120WL/A-X GMV-140WL/A-X GMV-160WL/A-X Name of Part Product Code CN850W0260 / CN850W0250 / CN850W0240 Part Code Quantity Front Grill 26904100026 Cabinet 01514100005 Front Side Plate...
  • Page 162 GREE DC Inverter Multi VRF System II Service Manual GMV-120WL/A-X GMV-140WL/A-X GMV-160WL/A-X Name of Part Product Code CN850W0260 / CN850W0250 / CN850W0240 Part Code Quantity Rear Side Plate Sub-Assy 01314100011P Right Connection Board 01344100003P Current Divider 04414153 Strainer 07212121 Silencer...
  • Page 163 GREE DC Inverter Multi VRF System II Service Manual 6) Model: GMV-120WL/C-T GMV-140WL/C-T GMV-160WL/C-T Exploded view GMV-120WL/C-T GMV-140WL/C-T GMV-160WL/C-T CN850W0440 Name of Part CN850W0450 CN850W0460 Quantity Front Grill Cabinet Handle Front Side Plate Diversion Circle Axial Flow Fan Brushless DC Motor...
  • Page 164 GREE DC Inverter Multi VRF System II Service Manual GMV-120WL/C-T GMV-140WL/C-T GMV-160WL/C-T CN850W0440 Name of Part CN850W0450 CN850W0460 Quantity Compressor and Fittings Strainer 4-way Valve Strainer Electromagnetic Valve Nozzle for Adding Freon Electronic Expansion Valve Discharge Charge Valve Plate-type Heat Exchanger...
  • Page 165 GREE DC Inverter Multi VRF System II Service Manual 7) Model: GMV-120WL/C-X GMV-140WL/C-X GMV-160WL/C-X Exploded view GMV-120WL/C-X GMV-140WL/C-X GMV-160WL/C-X CN850W0470 Name of Part CN850W0480 CN850W0490 Quantity Front Grill Handle Diversion Circle Cover Front Side Plate Axial Flow Fan 4-way Valve...
  • Page 166 GREE DC Inverter Multi VRF System II Service Manual GMV-120WL/C-X GMV-140WL/C-X GMV-160WL/C-X CN850W0470 Name of Part CN850W0480 CN850W0490 Quantity Strainer Strainer Magnet Coil Rear Side Plate Sub-Assy Pressure Sensor(Low) Strainer Rear Grill Condenser Electric Box Assy Terminal Board Terminal Board...
  • Page 167 GREE DC Inverter Multi VRF System II Service Manual 8) Model: GMV-H224WL/A-X,GMV-224WL/C-X Exploded view Parts list GMV-H224WL/A-X,GMV-224WL/C-X CN850W0330 Name of Part Product Code CN850W0510 Part Code Quantity Coping 01264100047P Electric Box Assy 01394100349 49018000083 Radiator 46010604 Rectifier 4313017401 Reactor 30223000045...
  • Page 168 GREE DC Inverter Multi VRF System II Service Manual GMV-H224WL/A-X,GMV-224WL/C-X CN850W0330 Name of Part Product Code CN850W0510 Part Code Quantity Diversion Circle 10474100003 Cabinet Assy 01514100015 Handle 26235253 Front Side Plate 01314100082P Nozzle for Adding Freon 06120012 Gas-liquid Separator 07424140...
  • Page 169 GREE DC Inverter Multi VRF System II Service Manual 6) Model: GMV-H280WL/A-X,GMV-280WL/C-X Exploded view Parts list GMV-H280WL/A-X,GMV-280WL/C-X CN850W0340 Name of Part Product Code CN850W0520 Part Code Quantity Coping 01264100052P Electric Box Assy 01394100496 Radiator 49018000083 Reactor 4313017401 Main Board 30223000072...
  • Page 170 GREE DC Inverter Multi VRF System II Service Manual GMV-H280WL/A-X,GMV-280WL/C-X CN850W0340 Name of Part Product Code CN850W0520 Part Code Quantity Front Grill 01574100008 Diversion Circle 10474100003 Handle 26235253 Chassis Assy 01194100112 Oil Separator 07424100050 Cut off Valve 07130208 Cut off Valve...
  • Page 171 GREE DC Inverter Multi VRF System II Service Manual 7) Model: GMV-H335WL/A-X,GMV-335WL/C-X Exploded view Parts list GMV-H335WL/A-X,GMV-335WL/C-X CN850W0350 Name of Part Product Code CN850W0500 Part Code Quantity Coping 01264100052P Electric Box Assy 01394100496 Radiator 49018000083 Reactor 4313017401 Rectifier 46010604 Main Board...
  • Page 172 GREE DC Inverter Multi VRF System II Service Manual GMV-H335WL/A-X,GMV-335WL/C-X CN850W0350 Name of Part Product Code CN850W0500 Part Code Quantity Front Side Plate 01314100091P Sensor Sub-assy 39008000121G Chassis Sub-assy 01194100081P Oil Separator 07424100050 Low Pressure Survey Valve Sub-assy 07334100065 Strainer...
  • Page 173 JF00302323...

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Gmv-100wl/a-tGmv-121wl/a-tGmv-80wl/c-tGmv-100wl/c-tGmv-121wl/c-tGmv-141wl/c-t ... Show all

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