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Gree GMV-Y36WL/A-T Service Manual

Photovoltaic multi vrf for north america
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Photovoltaic Multi VRF for North
America
Capacity: 36 kBtu/h~60 kBtu/h
Rated Frequency: 60 Hz

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Summary of Contents for Gree GMV-Y36WL/A-T

  • Page 1 Photovoltaic Multi VRF for North America Capacity: 36 kBtu/h~60 kBtu/h Rated Frequency: 60 Hz...

  • Page 2: Table Of Contents

    CONTENTS PRODUCT ..............................2 1 PRODUCT LIST ..............................2 2 PRODUCT FEATURES ........................... 2 3 SPECIFICATIONS ............................8 4 PRODUCT CAPACITY CORRECTION ....................... 10 5 PRINCIPAL OF OPERATION ........................11 CONTROL ..............................14 1 UNITS’ CONTROL ............................14 2 WIRED CONTROLLER ..........................16 3 REMOTE CONTROLLER ..........................
  • Page 3 GREE Photovoltaic Multi VRF for North America PRODUCT...

  • Page 4: Product

    2 Product Features 2.1 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. This refrigerating system can directly provide air conditioning for one or more areas, and is applicable for residential and light commercial uses.
  • Page 5 GREE Photovoltaic Multi VRF for North America connection pipe between indoor and outdoor units can be 120 (394ft) m’s long, which has extended the installation condition and reduced the limit of installation distance. （4） Wide operation range Units can operate reliably in a wide temperature range (cooling: -5~48℃ (23~118° F) , heating: -20~27℃...
  • Page 6 GREE Photovoltaic Multi VRF for North America public power grid will supply electricity for the compressor of multi VRF system. The five working modes can be switched seamlessly according to actual operation situation of PV power generation system and multi VRF unit.
  • Page 7 GREE Photovoltaic Multi VRF for North America 2.2.2.2 Pure PV power generation working mode Pure PV power generation working mode means that, when the multi VRF system is not working, the electric power distributed by the PV power generation system will be...
  • Page 8 GREE Photovoltaic Multi VRF for North America 2.2.2.3 PV air conditioner working mode PV air conditioner working mode means that, when the power of PV power generation equals to power consumption of multi VRF system, the distributed electric energy of PV system will be applied to the operating working mode of multi VRF unit, as is shown in the following picture, at this time, the PV power generation system can realize self-sufficiency of electric power and “zero electricity consumption”.
  • Page 9 GREE Photovoltaic Multi VRF for North America 2.2.2.5 PV air conditioner and system power consumption working mode PV air conditioner and system power consumption working mode means that, when the power of PV power generation is lower than the power consumption of multi VRF...

  • Page 10: Specifications

    Thin film sub-assy. The following picture is the appearance of these three sub-assys. monocrystaline silicon sub-assy polycrystalline silicon sub-assy Thin film sub-assy 3 Specifications 3.1Outdoor Unit Model GMV-Y36WL/A-T(U) GMV-Y48WL/A-T(U) GMV-Y60WL/A-T(U) 14.1 15.8 Cooling capacity Btu/h...
  • Page 11 GREE Photovoltaic Multi VRF for North America Model GMV-Y36WL/A-T(U) GMV-Y48WL/A-T(U) GMV-Y60WL/A-T(U) Cooling Rated power input Heating 900×340×1345 Unit Dimensions (WxDxH) inch 35_7/16×13_3/8×53 998×458×1500 Dimensions (WxDxH) inch 39_5/16×18×59 Compressor QXAS-F428zX050E QXAS-F428zX050E QXAS-F428zX050E Water-proof level IPX4 IPX4 IPX4 Suitable climite Φ15.9 Φ15.9 Φ19.05...

  • Page 12: Product Capacity Correction

    GREE Photovoltaic Multi VRF for North America 3.2 Operation range Outdoor temperature: -5℃~48℃ (23~118° F) Cooling Outdoor temperature: -20℃～27℃(-4~81° F) Heating 4 Product Capacity Correction 4.1 Correction factor of indoor and outdoor temperature （1） Correction factor of cooling capacity （2） Correction factor of heating capacity 4.1 Correction factor of pipe length and height difference...

  • Page 13: Principal Of Operation

    GREE Photovoltaic Multi VRF for North America L: Length of one-way equivalent pipe (2) Below table shows the capacity variance ratio for 100% full load in standard working condition (thermostat setting is 16℃(61℉) for cooling and 30℃(86℉) for heating). Variance ratio of heating capacity...
  • Page 14 GREE Photovoltaic Multi VRF for North America 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.
  • Page 15 GREE Photovoltaic Multi VRF for North America CONTROL...

  • Page 16: Control

    GREE Photovoltaic Multi VRF for North America CONTROL 1 Units’ Control 1.1 Schematic diagram of units’ control 1.2 Interpretation on the schematic diagram High pressure switch is used to identify system’s high and low pressure. When pressure is too high, the switch will break off and send a signal to main board.
  • Page 17 GREE Photovoltaic Multi VRF for North America 1.3 Unit Control Functions 1.3.1Control functions of outdoor unit Include the following contents. Compressor capacity output. Compressor start-up control. Outdoor fan control. Defrosting control. Heating EXV control. Subcooling valve control. Refrigerant lacking control.

  • Page 18: Wired Controller

    GREE Photovoltaic Multi VRF for North America 2 Wired Controller 2.1 Control panel...
  • Page 19 GREE Photovoltaic Multi VRF for North America...
  • Page 20 GREE Photovoltaic Multi VRF for North America Button Graphics...
  • Page 21 GREE Photovoltaic Multi VRF for North America 2.2 Installation and removal 2.2.1 Installation dimensions 42.5 82.5 inch 4.41 0.87 0.11 0.13 0.20 1.67 1.57 3.25 2.2.2 Installation method Fig2.2.2 Installtion diagram for wired controller Above is a simple installation method of wired controller. Please pay attention to the following: Before installation, disconnect power of the indoor unit.
  • Page 22 GREE Photovoltaic Multi VRF for North America Place the wired controller on wall and secure its back plate on wall with screw M4X25. Connect the 2-core twisted pair cable to terminal H1 and terminal H2. Tighten up the screws. Stick the cable in the slot that is left of the terminals and buckle the wired controller’s panel with its back plate.
  • Page 23 GREE Photovoltaic Multi VRF for North America Fig. 2.2.4.3 One wired controller controls multiple indoor units simultaneously. Fig. 2.2.4.4 Two wired controllers control multiple indoor units simultaneously.

  • Page 24: Remote Controller

    GREE Photovoltaic Multi VRF for North America 3 Remote Controller Remote controller YAP1F Button name and function introduction Button name Function ON/OFF Turn on or turn off the unit TURBO Set turbo function MODE Set operation mode Set up&down swing status...
  • Page 25 GREE Photovoltaic Multi VRF for North America Button name Function X-FAN Set X-FAN function SLEEP Set sleep function CLOCK Set clock of the system TOFF Set timer off function Set timer on function Set left&right swing status Set fan speed...

  • Page 26: Monitoring Software

    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 27 The 1st part is the monitoring computer, including Gree debugger and Gree USB converter driver that are installed in the computer. The 2nd part is Gree USB converter, which is to convert the air conditioning communication into computing communication. This part is made up of Gree USB data converter and USB data wire.
  • Page 28 GREE Photovoltaic Multi VRF for North America 4.3.2.2 Appearance...
  • Page 29 HBS interface: When HBS converter is under HBS communication mode, connect air conditioner’s HBS data interface. HBS interface exhibits no polarity (This interface is not yet available for Gree debugger and the monitoring software). RS485 interface: When RS485 converter is under RS485 communication mode, connect air conditioner’s RS485 data interface.
  • Page 30 CAN interface of Gree USB converter. As shown below, the wire can be connected to the communication interface of outdoor unit or the...
  • Page 31 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 32 GREE Photovoltaic Multi VRF for North America 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. 4.4.1.2 Installation flowchart Button Graphics...
  • Page 33 GREE Photovoltaic Multi VRF for North America 4.4.1.3 Installation process Install .Net Framework 4.0 If your computer has installed .Net Framework 4.0 or versions above, there’s no need to install again. Otherwise, click “Install .Net Framework 4.0”. Extracting files Click and select “I have read and accept the license terms”. Then click “Install”.
  • Page 34 GREE Photovoltaic Multi VRF for North America Installation is in progress.
  • Page 35 GREE Photovoltaic Multi VRF for North America Click “Finish” to complete the installation. Install Access Driver Before operating Gree commissioning software, please first install Access Driver (necessary for versions below OFFICE 2007). Click “Install Access Driver”.
  • Page 36 GREE Photovoltaic Multi VRF for North America Click ”Next”. Tick “I accept the terms in the License Agreement” and then click “Next” Click “Browse” to change the default folder to the expected one, or click “Install” to continue the installation.
  • Page 37 GREE Photovoltaic Multi VRF for North America Installation is in progress.
  • Page 38 Photovoltaic Multi VRF for North America Click “Ok” to complete the installation. Install Gree Debugger Before installing Gree debugger, make sure that your computer is installed with .Net Framework 4.0 or versions above. Then click “Install Gree Debugger”. Click “Next”.
  • Page 39 GREE Photovoltaic Multi VRF for North America Click “Next”.
  • Page 40 GREE Photovoltaic Multi VRF for North America Installation is in progress. Click “Close” to complete the installation.
  • Page 41 GREE Photovoltaic Multi VRF for North America Install USB Converter Driver If USB converter driver is already installed in your computer, this part can be skipped. Otherwise, click “Install USB Converter Driver”. Then the following installation window will be shown.
  • Page 42 Install Gree USB Data Converter 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. Then click “OK”.
  • Page 43 GREE Photovoltaic Multi VRF for North America Click “Next”. Tick “I accept the agreement”. Then click “Next” to continue installation. Click “Browse” to select your expected installation folder. Click “Next” to continue.
  • Page 44 GREE Photovoltaic Multi VRF for North America 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 45 GREE Photovoltaic Multi VRF for North America 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 46 GREE Photovoltaic Multi VRF for North America Installaiton is in progress. Click “Finish” to complete the installation. 4.4.2 Data monitoring Gree Debugger。Start up Gree Debugger. On the original interface, user can select language and units system. Click “OK” to...
  • Page 47 GREE Photovoltaic Multi VRF for North America confirm the defaulted language and units system and start up the software. Select language. Select system of units.
  • Page 48 GREE Photovoltaic Multi VRF for North America 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, connect in accordance with the connection diagram shown below.
  • Page 49 GREE Photovoltaic Multi VRF for North America Protocal selection: This is to select the communication method of your units. Currently, CAN is applicable to the units. 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...
  • Page 50 GREE Photovoltaic Multi VRF for North America 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.
  • Page 51 GREE Photovoltaic Multi VRF for North America Menu bar Title bar Error display System info Outdoor modules info Devices info IDU info Status bar On the display zone of devices information, you may click to select and view units that need monitoring.
  • Page 52 GREE Photovoltaic Multi VRF for North America Click “Start” to enable the debugging function. Then debugging will be started up automatically. indicates that debugging is in progress while indicates debugging is completed. If “OK” button is displayed, it means user needs to judge whether to continue debugging or not.
  • Page 53 GREE Photovoltaic Multi VRF for North America Confirmation, the preheat time will be displayed. See the following marked with circle). Icon indicates that there is problem found during debugging. Debugging will not be completed unless problem is solved (after problem is solved, step without “OK” button will switch to the next step automatically, otherwise user needs to click “OK”...
  • Page 54 GREE Photovoltaic Multi VRF for North America 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” and “Skip” buttons. If there is error in this step, you can back to step No.9 and click “OK”...
  • Page 55 GREE Photovoltaic Multi VRF for North America Take indoor unit as an example. Click “IDU Settings” and a dialog box will pop up. Tick the indoor units that need setting in the IDU selection zone or you may click “Select All”...
  • Page 56 GREE Photovoltaic Multi VRF for North America then the corresponding order will be sent to units. If setting is successful, it will be displayed at the current values. 4.4.5 Other functions Capture screen Click icon of “Capture Screen” to print the interface. If you want to open the interface,...
  • Page 57 GREE Photovoltaic Multi VRF for North America...
  • Page 58 GREE Photovoltaic Multi VRF for North America Search for database folder Click icon of “Open Data Folder” on the menu bar to open database folder.
  • Page 59 GREE Photovoltaic Multi VRF for North America Conversion of pressure value Click icon of “Others” on the menu bar and then click “Display Settings” to select “High Low Pressure Value” and “Refrigerant Type”. Select “Temperature” and the pressure parameter displayed on the interface will be temperature. Select “Pressure”...
  • Page 60 GREE Photovoltaic Multi VRF for North America Change database saving path and rebuild database 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. Click “Rebuild Database” to rebuild the database folder.
  • Page 61 4.4.6 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...
  • Page 62 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 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 63 GREE Photovoltaic Multi VRF for North America Step 2: In the pop-up window, select “Device Manager” in the left column and then find “Port (COM and LPT)” in the right column. Click its...
  • Page 64 GREE Photovoltaic Multi VRF for North America Step 3: Right-click ”USB Serial Port (COM6) and then click ”Properties”. The dialog box of properties will then pop up. Step 4: Then click ”Port Settings” in the dialog box...
  • Page 65 GREE Photovoltaic Multi VRF for North America Step5: 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 66 GREE Photovoltaic Multi VRF for North America 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 67 GREE Photovoltaic Multi VRF for North America Select the needed communication serial port and language in the “System Settings”. 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”.
  • Page 68 GREE Photovoltaic Multi VRF for North America Click “Get” to get the current setting details of converter.
  • Page 69 GREE Photovoltaic Multi VRF for North America Switchover of Software Languages...
  • Page 70 GREE hotovoltaic Multi VRF for North America INSTALLATION...

  • Page 71: Installation

    GREE hotovoltaic Multi VRF for North America 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 72 GREE hotovoltaic Multi VRF for North America Installation Problem Possible Consequence The loss in pipe is considerable and the unit energy efficiency Refrigerant pipe exceeds the limit. decreases, which are harmful for long-term running of the system. The system cannot correctly control the flow allocation; the Incorrect amount of refrigerant is filled.

  • Page 73: Installation Materials Selection

    GREE hotovoltaic Multi VRF for North America 2 Installation Materials Selection The materials, equipment and instruments used during air conditioning engineering construction must have certifications and test reports. Products with fireproof requirements must be provided with fireproof inspection certificates and must meet national and relevant compulsory standards.

  • Page 74: Installation Of Outdoor Unit

    GREE hotovoltaic Multi VRF for North America When the diameter of copper pipe is equal to or greater than Φ15.9 mm, the thickness of insulation material should be at least 20 mm; when the diameter of copper pipe is less than 15.9 mm, the thickness of insulation material should be at least 15 mm.
  • Page 75 GREE hotovoltaic Multi VRF for North America 3.2 Selection of installation site Select a location which is strong enough to hold unit’s weight so that unit can stand still and erect. Make sure the unit is not exposed to sun and rain. And the location can resist dust, typhoon and earthquake.
  • Page 76 When carrying the outdoor unit, hang the unit in four directions with two sufficient ropes. In order to avoid excursion from the center, the angel of ropes must be smaller than 40º during hanging and moving. Unit:mm (inch) Model GMV-Y36WL/A-T(U) 1345 GMV-Y48WL/A-T(U) (35-7/16) (13-3/8)

  • Page 77: Installation Of Electronic Expansion Valve Assy (Unit With External Exv)

    GREE hotovoltaic Multi VRF for North America 4 Installation of Electronic Expansion Valve Assy (unit with external EXV) The EXV of indoor unit is built-in. 5 Installation of Refrigerant Pipeline 5.1Allowable Length and Height Difference of Connection Pipe Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is shown in the figure below: NOTICE! Equivalent length of one Y-type branch is 0.5m(1-5/8feet).
  • Page 78 GREE hotovoltaic Multi VRF for North America le Length and Height Difference of Connection Pipe GMV-Y36WL/A-T(U) 、GMV-Y48WL/A-T(U)、GMV-Y60WL/A-T(U): Allowable Fitting pipe value(m/feet) Total length (actual length) of fitting pipe 300(984) L1+L2+L3+a+b+c+d Actual length 120(394) Length of farthest fitting pipe L1+L2+L3+d Equivalent length...
  • Page 79 GREE hotovoltaic Multi VRF for North America 5.3 Selection of Indoor Branches Select indoor branches according to the total capacity of downstream indoor units. if the capacity exceeds that of the outdoor unit, capacity of outdoor unit prevails. Refrigerant system...
  • Page 80 GREE hotovoltaic Multi VRF for North America Total capacity of downstream indoor units Pipe Liquid pipe C (Btu/h) (mm/inch) (mm/inch) Φ12.7 Φ6.35 C ≤19000 (Φ1/2) (Φ1/4) Φ15.9 Φ9.52 19000<C≤48500 (Φ5/8) (Φ3/8) Φ19.05 Φ9.52 48500<C≤76400 (Φ3/4) (Φ3/8) 5.5 Dimension of Pipe between Indoor Branch and IDU Dimension of pipe between indoor branch and IDU should be consistent with the dimension of indoor pipe.

  • Page 81: Installation Of Connection Pipe

    GREE hotovoltaic Multi VRF for North America 6 Installation of Connection Pipe Conform to the following principles during pipe connection: Connection pipe should be as short as possible, so is the height difference between indoor and outdoor units. Keep the number of bends as little as possible.
  • Page 82 GREE hotovoltaic Multi VRF for North America 6.1.2 Indoor Pipe Connection Remove pipe cover and pipe plug. Direct the flared part of copper pipe to the center of screwed joint. Twist on the flared nut tightly by hand, as in Fig. 13. (Make sure indoor pipe is correctly connected.
  • Page 83 GREE hotovoltaic Multi VRF for North America Fig. 15 6.1.4 Installation of Y-type Branch (1) Y-type Branch Fig. 19 (2) Y-type branch has several pipe sections with different dimension, which facilitates to match with various copper pipes. Use pipe cutter to cut in the middle of the pipe section that is of proper dimension and remove burrs as well.
  • Page 84 GREE hotovoltaic Multi VRF for North America Branch shall be isolated by insulating material that can bear 120℃(248℉)or even higher temperature. The attached foam of branch cannot be taken as insulating material. 6.1.5 Thermal Insulation for Pipeline For multi VRF system, every copper pipe should be labeled so as to avoid misconnection.
  • Page 85 GREE hotovoltaic Multi VRF for North America 7.1.6 Support and Protection of Pipeline Support should be made for hanging connection pipe. Distance between each support cannot be over 1m(3-1/4feet). Protection against accidental damage should be made for outdoor pipeline. When pipeline exceeds 1m(3-1/4feet), a pinch board should be added for protection.
  • Page 86 Multi VRF for North America Fig. 23 6.3.2 Refrigerant Adding (1) Refrigerant quantity of outdoor unit before delivery: GMV-Y60WL/A-T(U) Model GMV-Y36WL/A-T(U) GMV-Y48WL/A-T(U) Refrigerant Qty (kg/oz) (116) (116) (116) (1) The refrigerant amount charged before delivery doesn’t include the amount that needs to be added to indoor units and the connection pipeline.
  • Page 87 GREE hotovoltaic Multi VRF for North America X= ∑(Liquid pipe length×amount of additional refrigerant of each 1m) Diameter of Φ19.05 Φ15.9 Φ12.7 Φ9.52 Φ6.35 liquid pipe (Φ3/4) (Φ5/8) (Φ1/2) (Φ3/8) (Φ1/4) (mm/inch) kg/m 0.25 0.17 0.11 0.054 0.022 oz/inch 0.224 0.152...

  • Page 88: Electric Wiring

    GREE hotovoltaic Multi VRF for North America Length (9-3/4feet) (9-3/4feet) (6-5/8feet) (3-1/4feet) Amount of additional refrigerant depending on the pipe size(X) Total length of each liquid pipe: Φ9.52：A+B+C+a =10+5+4+3=22m(72-3/16 feet) Φ6.35：D +b+c+d=5+3+3+2+1=11m(36-1/16 feet) Amount of additional refrigerant depending on Quantity of IDU(Y)
  • Page 89 GREE hotovoltaic Multi VRF for North America 7.1 Wiring Diagram (1) Connection of power cord and communication wire (2) The wiring diagram for power cord of outdoor unit and communication wire. There are two wiring diagrams for communication wires of indoor/outdoor units and remote monitor: 1) Real line method;...

  • Page 90: Debugging Of Unit

    Max Ckt, Bkr Min. Circuit Model Power supply Size/Fusible Max. Size/Disjoncteur Ampacity Max. (A) 208/240V~ GMV-Y36WL/A-T(U) 60Hz 208/240V~ GMV-Y48WL/A- T(U) 60Hz 208/240V~ GMV-Y60WL/A- T(U) 60Hz For photovoltaic DC power supply, selection of power cord diameter and air switch are as...
  • Page 91 GREE hotovoltaic Multi VRF for North America (4) Remove all sundries from the unit, such as metal chips, joint, forceps holder, and so (5) Check whether the appearance and pipeline system are damaged during carry or transportation process. (6) Calculate the required added refrigerant-charging volume according to the length of pipe of system and pre-charge the refrigerant.
  • Page 92 GREE hotovoltaic Multi VRF for North America Description of each stage of debugging progress —— Debugging code Code meaning and operation method Progress Code Display status IDU and ODU and check whether communication wire of IDU is correctly connected. After the check, connect power and start debugging from progress 01.
  • Page 93 GREE hotovoltaic Multi VRF for North America Description of each stage of debugging progress —— Debugging code Code meaning and operation method Progress Code Display status troubleshooting, then restart debugging from progress 01 after power is on. Display System detects no error on outdoor component.

  • Page 94: Maintenance

    GREE hotovoltaic Multi VRF for North America Description of each stage of debugging progress —— Debugging code Code meaning and operation method Progress Code Display status automatically.) Refrigerant is normal and unit will display as in Display 09/oC the left for 2s.Then next step starts.
  • Page 95 GREE hotovoltaic Multi VRF for North America Description of each stage of debugging progress —— Debugging code Code meaning and operation method Progress Code Display status Display Malfunction occurs when debugging for heating 16/error code circularly mode. 17_ Debugging The entire unit has finished debugging and finished under standby-by condition.
  • Page 96 GREE hotovoltaic Multi VRF for North America Debug item Parameter name Unit Reference and many IDUs are turned on, the high pressure will be lower. ●When ambient temp in cool mode is 25~35℃(77~95℉), the low pressure ℃ System value is 0~8℃(32~46℉).
  • Page 97 GREE hotovoltaic Multi VRF for North America Debug item Parameter name Unit Reference pipe has no backward slope of water; Water of outdoor unit can be drained completely through drainage pipe. No water drop from unit base. Compressor and indoor/outdoor fan ——...
  • Page 98 GREE hotovoltaic Multi VRF for North America Default display is “A7”, then press SW1 button(▲) and SW2 button(▼) on the master unit to switch function codes of LED to select relevant functions. After selecting relevant functions, press SW3 to confirm and start setting this function. Main board of outdoor unit...
  • Page 99 GREE hotovoltaic Multi VRF for North America 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 100 GREE hotovoltaic Multi VRF for North America 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 101 GREE hotovoltaic Multi VRF for North America Then unit will be in compulsory defrosting mode. Once unit is under compulsory defrosting, this mode can only be stopped when requirements for exit are met. 9.4 Restore Factory Defaults i.If you want to restore factory defaults, hold SW1+SW4 button on the main board of ODU for more than 10s, then all LED will blink for 3s.
  • Page 102 GREE hotovoltaic Multi VRF for North America MAINTENANCE...

  • Page 103: Malfunction List

    GREE Photovoltaic Multi VRF for North America MAINTENANCE 1 Malfunction List 1.1 Malfunction list for the wired controller Error Code Content Error Code Content Malfunction of IDU (uniform) Indoor PCB is poor Malfunction of lower water temperature Protection of indoor fan...
  • Page 104 GREE hotovoltaic Multi VRF for North America Error Code Content Error Code Content Malfunction of outlet tube Malfunction of water temperature sensor temperature sensor 2 Malfunction of fresh air intake Main error of indoor air box sensor temperature sensor IFD malfunction 1.2 Status display table for indicators on main board of outdoor unit...
  • Page 105 GREE hotovoltaic Multi VRF for North America Error Code Content Error Code Content Malfunction of inlet tube temperature Protection because high pressure is too sensor of mode exchanger Malfunction of outdoor ambient Oil-return pipe is blocked temperature sensor Malfunction of defrosting temperature...
  • Page 106 GREE hotovoltaic Multi VRF for North America Error Code Content Error Code Content Driving board of fan operates AC input voltage of drive of inverter abnormally (uniform) compressor Voltage protection of driving board PV reversed connection protection power of fan (uniform)
  • Page 107 GREE hotovoltaic Multi VRF for North America Debugging: Error Code Content Error Code Content Malfunction of network for IDU and Preheat time of compressor is insufficient ODU of mode exchanger Wrong setting of ODU’s capacity Communication malfunction of code/jumper cap...
  • Page 108 GREE hotovoltaic Multi VRF for North America Status: Error Code Content Error Code Content Unit waiting for debugging SE operation setting of system Refrigerant recovery operation of Compulsory defrosting after-sales Limit setting for max. Defrosting capacity/output capacity Compulsory excursion of...

  • Page 109: Troubleshooting

    GREE hotovoltaic Multi VRF for North America 2 Troubleshooting Troubleshooting principle 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 communication wire between...
  • Page 110 GREE hotovoltaic Multi VRF for North America 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 pressure switch Charge refrigerant according to the volume on Check whether the refrigerant- nameplate;...
  • Page 111 GREE hotovoltaic Multi VRF for North America 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 Charge refrigerant according to the volume Check whether the refrigerant- on nameplate;...
  • Page 112 GREE hotovoltaic Multi VRF for North America 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℃ normal...
  • Page 113 GREE hotovoltaic Multi VRF for North America Mafunction of temperature sensor Malfunction of temperature sensor Conform whether the Whether the plug of temperature is plug is connected connected with the plug of main board correctly correctly Replace temperature Measure whether resistance value of...
  • Page 114 GREE hotovoltaic Multi VRF for North America Failure start-up Reset protection for drive module of compressor, drive PFC protection for compressor, malfunction of drive temperature sensor for compressor, circuit malfunction of drive current detection for compressor Drive IPM overtemperature protection for compressor...
  • Page 115 GREE hotovoltaic Multi VRF for North America Desynchronizing protection for inverter compressor (11) 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 correct? Connect the wires...
  • Page 116 GREE hotovoltaic Multi VRF for North America Loop malfunction of driven charging for compressor (13) Wired controller displays P0 LED3 dual-8 nixie tube displays PF Check whether the wires for PFC induction is correct/ Replace main Reinsert the board wires for PFC...
  • Page 117 GREE hotovoltaic Multi VRF for North America Overcurrent protection for inverter compressor, IPM module protection, phase-lacking of (15) inverter compressor Wired controller displays P1 LED3 dual-8 nixie tube displays P5、P6 or PE Whether the sequence of wire Adjust the sequence of...
  • Page 118 GREE hotovoltaic Multi VRF for North America AC current protection for inverter compressor (17) Communication malfunction between main contoller and driver of inverter compressor (18) Wired controlled displays C2 LED3 dual-8 nixie tube displays C2 Check whether the main control CPU...

  • Page 119: Power Distribution Of Unit

    GREE hotovoltaic Multi VRF for North America 3 Power Distribution of Unit 3.1 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). The main loop is showed by bold line (line width: 1mm); the control loop is showed by slim line (line width: 0.2mm).
  • Page 120 GREE hotovoltaic Multi VRF for North America 3.2 Main electric parts Name Photo Function introduction It main effect is to eliminate the interference of power for protecting unit’s anti-interference capability Filter plate and prevent the interference to other electric appliances.

  • Page 121: Removal Of Parts

    GREE hotovoltaic Multi VRF for North America 3.3 Circuit diagram GMV-Y36WL/A-T(U)、GMV-Y48WL/A-T(U) 、GMV-Y60WL/A-T(U) 4 Removal of Parts 4.1 Key parts Photo Name Function Core part of air conditioning system. It sucks low temperature and low pressure gas, compressor compress it to high temperature and high...
  • Page 122 GREE hotovoltaic Multi VRF for North America Photo Name Function Electronic Throttling device. It transforms high pressure expansion valve refrigerant liquid into low pressure steam. It changes the flow direction of refrigerant for 4-way valve switching between cooling and heating.
  • Page 123 4.2 Removal of key parts 4.2.1 GMV-Y36WL/A-T(U), GMV-Y48WL/A-T(U), GMV-Y60WL/A-T(U) , series unit Removal operation for panel Remark: Before removing the panel, please make sure that the unit is disconected with the power Process...
  • Page 124 GREE hotovoltaic Multi VRF for North America 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...
  • Page 125 GREE hotovoltaic Multi VRF for North America Remove and assembly opeation for reactor Remark: The power must be cut off before removing the ractor. Process Photo Operation Instruction ●Disassemble the panel by referring removal 1) Remove method. electric box ● Use screwdriver to remove...
  • Page 126 GREE hotovoltaic Multi VRF for North America Removal operation for panel Remark: Before removing the panel, please make sure that the unit is disconected with the power Process Photo Operation Instruction ● Use screwdriver to remove all screws of reactor box and...
  • Page 127 GREE hotovoltaic Multi VRF for North America Removal operation for panel Remark: Before removing the panel, please make sure that the unit is disconected with the power Process Photo Operation Instruction ●Assemble the unit in the 4) Assemble the unit reverse sequence.
  • Page 128 GREE hotovoltaic Multi VRF for North America 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 blade ●...
  • Page 129 GREE hotovoltaic Multi VRF for North America Removal operation for blade Remark: Before removing the motor, please make sure that the unit is disconnected with the power. Process Photo Operation Instruction ● Replace the motor, tighten screws with 4)Install motor...
  • Page 130 GREE hotovoltaic Multi VRF for North America 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 the...
  • Page 131 GREE hotovoltaic Multi VRF for North America 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 Twist off the nuts for...
  • Page 132 GREE hotovoltaic Multi VRF for North America 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)Fix the new...
  • Page 133 GREE hotovoltaic Multi VRF for North America 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 ●Check whether the pipeline is connected well ●Check whetehr all...
  • Page 134 GREE hotovoltaic Multi VRF for North America 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 ● Weld those 4...
  • Page 135 GREE hotovoltaic Multi VRF for North America 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 Photo Operation Instruction ●...
  • Page 136 GREE hotovoltaic Multi VRF for North America 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 137 GREE hotovoltaic Multi VRF for North America 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 138 GREE hotovoltaic Multi VRF for North America 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 139 GREE hotovoltaic Multi VRF for North America 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 140: Common Maintenance

    GREE hotovoltaic Multi VRF for North America 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 ●Replace plate heat...
  • Page 141 GREE hotovoltaic Multi VRF for North America 5.1. 2 Operation procedure and notices for Vacuum drying 1Operation procedure 1) Before vacuum-pumping, please confirm that the cut-off valve for gas pipe and liquid pipe is at off status; 2) Use charging conduct pipe to connect the governing value and vacuum heat pump to the detection joint of gas valve and liquid valve;...
  • Page 142 GREE hotovoltaic Multi VRF for North America conduct pipe; Confirm that the gas valve and liquid valve for outdoor unit is at off status; When the unit hasn’t been turned on, open the governing valve for the liquid-charging tank and then charge refrigerant from gas pipe and liquid pipe at the same time.
  • Page 143 GREE hotovoltaic Multi VRF for North America leakage may be found out; Step 3: Increase pressure slowly to 4.15MPa for R410A slowly (3.0MPa for R22 refrigerant system), stop for 5min and perform the strength test. Minor leakage or sand hole may be found.

  • Page 144: Exploded View Of Unit And Parts' List

    GREE hotovoltaic Multi VRF for North America 6 Exploded View of Unit and Parts’ List Exploed view for outdoor unit and parts’ list Model: GMV-Y36WL/A-T(U)、GMV-Y48WL/A-T(U) 、GMV-Y60WL/A-T(U) Exploded view Parts list GMV-Y36WL/A-T(U),GMV-Y48WL/A-T(U),GMV-Y60WL/A-T(U) Name of Part Product Code CN870W0210/ CN870W0200/ CN870W0190 Part Code...
  • Page 145 GREE hotovoltaic Multi VRF for North America GMV-Y36WL/A-T(U),GMV-Y48WL/A-T(U),GMV-Y60WL/A-T(U) Name of Part Product Code CN870W0210/ CN870W0200/ CN870W0190 Part Code Quantity Main Board 300027000606 Radiator 430034060039 Radiator 430034060041 Radiator 430034060040 Terminal Board 422000060003 Terminal Board 420001000019 Terminal Board 422000060004 Left Side Plate...
  • Page 146 GREE hotovoltaic Multi VRF for North America GMV-Y36WL/A-T(U),GMV-Y48WL/A-T(U),GMV-Y60WL/A-T(U) Name of Part Product Code CN870W0210/ CN870W0200/ CN870W0190 Part Code Quantity Cut off Valve 07330000002 Strainer 07212001 Nozzle for Adding Freon 0613520101 Gas-Liquid Separator 07424100014 Strainer 07415200002 Discharge Charge Valve 07133771 Electronic Expansion Valve...
  • Page 147 JF00303833...

This manual is also suitable for:

Gmv-y36wl/a-tuGmv-y48wl/a-tGmv-y48wl/a-tuGmv-y60wl/a-tGmv-y60wl/a-tuCn870w0210 ... Show all

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