Gree FGR20Pd/DNa-X Service Manual
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Gree FGR20Pd/DNa-X Service Manual

Duct type split air conditioner inverter series t3
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DUCT TYPE SPLIT AIR CONDITIONER
INVERTER SERIES T3
(GC201904-I)
Capacity: 20kW~40kW
Rate Frequency: 50/60Hz
Operation Range:-7°C ~52°C

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Summary of Contents for Gree FGR20Pd/DNa-X

  • Page 1 DUCT TYPE SPLIT AIR CONDITIONER INVERTER SERIES T3 (GC201904-I) Capacity: 20kW~40kW Rate Frequency: 50/60Hz Operation Range:-7°C ~52°C...

  • Page 2: Table Of Contents

    Contents PRODUCT ........................1 1 Product List ........................1 2 Nomenclature ........................2 3 Specifications ........................3 CONTROL ........................5 1 Wired Controller ......................... 5 2 Remote Controller YAP1F ....................11 3 Monitoring Software ......................12 INSTALLATION ......................55 1 Engineering Installation Preparation and Notice ............55 2 Installation Materials Selection ..................

  • Page 3: Product

    GREE Duct type split Air conditioner Inverter Series PRODUCT 1 Product List Cooling Heating Appearance Capacity Capacity Model Power Refrigerant (Product List) Supply Outdoor Indoor FGR20Pd/DNa-X (CF01000730) FGR25Pd/DNa-X 27.5 (CF01000740) 3N/380- FGR30Pd/DNa-X 415V/50Hz (CF01000750) R410a 60Hz FGR40Pd/D(2)Na-X (CF01000760)

  • Page 4: Nomenclature

    GREE Duct type split Air conditioner Inverter Series 2 Nomenclature Description Options Ducted Type Air Conditioner Cooling only type-omitted Unit Type Heat pump Auxiliary hot water plate and pipe type-W Cooling Capacity Nominal cooling capacity (kW) Fixed frequency-omitted Frequency Conversion System Frequency conversion-Pd Design No.

  • Page 5: Specifications

    GREE Duct type split Air conditioner Inverter Series 3 Specifications Model Heat Pump FGR20Pd/DNa-X FGR25Pd/DNa-X Btu/h Cooling T1/T3 68300/47000 85300/59700 Capacity Btu/h Heating 75100 93800 EER T1/T3 Btu/(W.h) 8.8/6.7 9.1/6.8 Btu/(W.h) 10.7 10.5 Power Supply Ph/V/Hz 3N/380-415/(50/60) 3N/380-415/(50/60) Cooling T1/T3 7.8/7.0...
  • Page 6 GREE Duct type split Air conditioner Inverter Series Model Heat Pump FGR20Pd/DNa-X FGR25Pd/DNa-X Sound Pressure Level dB(A) Outline 940×460×1615 (940×320×1430)×2 Dimension Outdoor unit (W×D×H) Package 1033×573×1765 (1033×433×1580) ×2 Net Weight/Gross Weight 175/190 (120/130)×2 Liquid Inch(mm) Φ1/2 Φ3/8×2 Outer diameter Inch(mm) Φ1...

  • Page 7: Control

    GREE Duct type split Air conditioner Inverter Series CONTROL 1 Wired Controller 1.1 Control panel Fig 2.1 Appearance of wired controller Fig 2.2 LED graphics of wired controller Table 2.1 LED display instruction: Symbols Instructions Up and down swing function.
  • Page 8 GREE Duct type split Air conditioner Inverter Series Symbols Instructions It's valid under Save mode and displays during setting process. Temperature lower limit for Cooling: Limit the minimum temperature value under Cooling or Dry mode. Temperature upper limit for Heating: Limit the maximum temperature value under Heating, Space Heating or 3D Heating mode.
  • Page 9 GREE Duct type split Air conditioner Inverter Series Symbols Instructions One wired controller controls multiple indoor units. Save status of indoor unit. It indicates the current wired controller is the slave wired controller (address of wired controller is 02). Memory status (The indoor unit resumes the original setting state after power failure and then power recovery).
  • Page 10 GREE Duct type split Air conditioner Inverter Series Name Panel of wired controller Self-tapping Screw ST3.9X25 MA Soleplate of wired controller Q'ty Edition Two : Unit:mm Fig 2.5 Parts of wired controller Panel of wired Self-tapping Screw Soleplate of wired Name Screw M4×25...
  • Page 11 GREE Duct type split Air conditioner Inverter Series 1.2.2 Installation method Fig 2.6 Installation of Wired Controller Above is a simple installation method of wired controller. Please pay attention to the following: (1) Before installation, disconnect power of the indoor unit. Do not operate when power is connected.
  • Page 12 GREE Duct type split Air conditioner Inverter Series 1.2.3 Removal method Fig 2.7Removal of Wired Controller 1.2.4 Connection of communication cord Fig 2.8 One wired controller controls one indoor unit...

  • Page 13: Remote Controller Yap1F

    GREE Duct type split Air conditioner Inverter Series 2 Remote Controller YAP1F Fig 2.9 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 14: Monitoring Software

    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 15 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 Power LED...
  • Page 16 (8) 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). (9) RS485 interface:When RS485 converter is under RS485 communication mode, connect air conditioner’s RS485 data interface.
  • Page 17 5.5 meters’ long. They are only different in length. One end of the wire shall connect with air conditioner’s communication interface and the other end shall connect with CAN interface of Gree USB converter. As shown below, the wire can be connected to the communication interface of outdoor...
  • Page 18 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 19 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 20 GREE Duct type split Air conditioner Inverter Series 3.4.1.1 Installation flowchart Button Graphics: This flowchart describes basically the software installation process. See below for details. 3.4.1.2 Installation process (1) Install .Net Framework 4.0 1) If your computer has installed .Net Framework 4.0 or versions above, there’s no need to...
  • Page 21 GREE Duct type split Air conditioner Inverter Series 2) Extracting files 3) Click and select “I have read and accept the license terms”. Then click “Install”.
  • Page 22 GREE Duct type split Air conditioner Inverter Series 4) Installation is in progress. 5) Click “Finish” to complete the installation.
  • Page 23 GREE Duct type split Air conditioner Inverter Series (2) Install Access Driver 1) Before operating Gree commissioning software, please first install Access Driver (necessary for versions below OFFICE 2007). Click “Install Access Driver”. 2) Click “Next”.
  • Page 24 GREE Duct type split Air conditioner Inverter Series 3) Tick “I accept the terms in the License Agreement” and then click “Next”. 4) Click “Browse” to change the default folder to the expected one, or click “Install” to continue the installation.
  • Page 25 5) Installation is in progress. 6) Click “Ok” to complete the installation. (3) Install Gree Debugger 1) 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 26 GREE Duct type split Air conditioner Inverter Series 2) Click “Next”. 3) Click “Browse” to select installation folder. If no change is needed for the folder, click “Next” to continue the installation.
  • Page 27 GREE Duct type split Air conditioner Inverter Series 4) Click “Next”. 5) Installation is in progress.
  • Page 28 GREE Duct type split Air conditioner Inverter Series 6) Click “Close” to complete the installation. (4) Install USB Converter Driver 1) If USB converter driver is already installed in your computer, this part can be skipped. Otherwise, click “Install USB Converter Driver”.
  • Page 29 GREE Duct type split Air conditioner Inverter Series 2) Then the following installation window will be shown. 3) This window will exit after installation is finished.
  • Page 30 (5) Install Gree USB Data Converter 1) If converter baud rate is needed to be set, then converter configuring software must be installed. Click “Install Gree USB Data Converter”. 2) Then select the setup language. You can choose Chinese ”simplified”, Chinese “traditional”...
  • Page 31 GREE Duct type split Air conditioner Inverter Series 4) Tick “I accept the agreement”. Then click “Next” to continue installation. 5) Click “Browse” to select your expected installation folder. Click “Next” to continue.
  • Page 32 GREE Duct type split Air conditioner Inverter Series 6) Click “Browse” to change folder. Click “Next” to continue. 7) If you want to create s desktop shortcut, tick “Creat a desktop icon”. Then click “Next” to continue.
  • Page 33 GREE Duct type split Air conditioner Inverter Series 8) 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 34 10) Click “Finish” to complete the installation. 3.4.2 Data monitoring (1) Start up Gree Debugger. (2) 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 35 GREE Duct type split Air conditioner Inverter Series (3) Select language. (4) Select system of units.
  • Page 36 GREE Duct type split Air conditioner Inverter Series (5) 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 37 GREE Duct type split Air conditioner Inverter Series (7) Protocal selection: This is to select the communication method of your units. Currently, CAN is applicable to the units. (8) After the selection, click “Connnect”. If units can communicate normally with computer, then the...
  • Page 38 GREE Duct type split Air conditioner Inverter Series (9) 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 39 GREE Duct type split Air conditioner Inverter Series (10) On the display zone of devices information, you may click to select and view units that need Monitoring. 3.4.3 Project debugging (1) 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.
  • Page 40 GREE Duct type split Air conditioner Inverter Series (2) 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. (3) If “OK” button is displayed, it means user needs to judge whether to continue debugging or not.
  • Page 41 GREE Duct type split Air conditioner Inverter Series (4) 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” to continue). Click icon and relevant information detected in this step will be displayed for your reference in order to solve problems.
  • Page 42 GREE Duct type split Air conditioner Inverter Series 3.4.4 Control units (1) 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. Then this parameter needs to be set in order to eliminate the conflict)”...
  • Page 43 GREE Duct type split Air conditioner Inverter Series (3) 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 44 GREE Duct type split Air conditioner Inverter Series 3.4.5 Other functions (1) Capture screen Click icon of “Capture Screen” to print the interface. If you want to open the interface, click “Open”.
  • Page 45 GREE Duct type split Air conditioner Inverter Series (2) Search for database folder Click icon of “Open Data Folder” on the menu bar to open database folder.
  • Page 46 GREE Duct type split Air conditioner Inverter Series (3) 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.
  • Page 47 GREE Duct type split Air conditioner Inverter Series (4) Database saving of multiple systems Click icon of “Others” on the menu bar and click “Database Save Settings” to select which system that needs to save database. Because there is a large quantity of data in a network that contains multiple...
  • Page 48 GREE Duct type split Air conditioner Inverter Series (5) 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.
  • Page 49 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 50 GREE Duct type split Air conditioner Inverter Series Step 1: Right-click ”My Computer” on the desktop and click ”Manage”. Step 2: In the pop-up window, select “Device Manager” in the left column. Step 3:Find “Port (COM and LPT)” in the right column. Click its...
  • Page 51 GREE Duct type split Air conditioner Inverter Series Step 4: Right-click ”USB Serial Port (COM6) and then click ”Properties”. The dialog box of properties will then pop up. Step 5: Then click ”Port Settings” in the dialog box.
  • Page 52 GREE Duct type split Air conditioner Inverter Series Step 6: 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 53 GREE Duct type split Air conditioner Inverter Series (4) 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 54 GREE Duct type split Air conditioner Inverter Series Double-click the desktop shortcut. 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...
  • Page 55 GREE Duct type split Air conditioner Inverter Series If you want to restore ex-factory settings, click “Default” to restore the default settings. Click “Get” to get the current setting details of converter.
  • Page 56 GREE Duct type split Air conditioner Inverter Series Switchover of Software Languages.

  • Page 57: Installation

    GREE Duct type split Air conditioner Inverter Series 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 58 GREE Duct type split Air conditioner Inverter Series 2.1 Refrigerant piping (1) Material requirement: Dephosphorization drawing copper pipe for air conditioners. (2) Appearance requirement: The inner and outer surface of pipe should be smooth without pinhole, crack, peeling, blister, inclusion, copper powder, carbon deposition, rust, dirt or severe oxide film, and without obvious scratch, pit, spot and other defects.
  • Page 59 GREE Duct type split Air conditioner Inverter Series 2.4 Communication cable and control cable Note: For air conditioning units installed in places with strong electromagnetic interference, shielded wire must be used as the communication cables of the IDU and wired controller, and shielded twisted pairs must be used as the communication cables between IDUs and between the IDU and ODU.

  • Page 60: Installation Of Indoor Unit

    3 Installation of Indoor Unit 3.1 Outline and installation dimension a. 20/25/30kW b. 40kW Below are dimensions of a, b, c, d, e, f, g, h, i etc. for different models: Unit: mm Model FGR20Pd/DNa-X(I) 1355 1150 1315 FGR25Pd/DNa-X(I) 1563 1350...
  • Page 61 GREE Duct type split Air conditioner Inverter Series 3.2 Installation space 3.3 External static pressure setting and reading 3.3.1 External static pressure setting You can enter P67 select the way of adjusting static pressure for the blast pipe manually or automatically.The default value is 00,which means adjusting manually.
  • Page 62 (2) Please contact the local Gree appointed service center before installation. Any malfunctioncaused by the unit that is not installed by the Gree appointed service center would probably not be dealt with on time because of the inconvenience of the business contact.

  • Page 63: Installation Of Outdoor Unit

    Number of power Circuit breaker Number of ground cord × Min capacity Model Power supply wire × Min sectional sectional area （A） area (mm FGR20Pd/DNa-X(I) 220-240V~ 50/60Hz 1×1.5 2×1.5 FGR20Pd/DNa-X(O) 380-415V 3N~ 50/60Hz 1×2.5 4×2.5 FGR25Pd/DNa-X(I) 220-240V~ 50/60Hz 1×1.5 2×1.5...
  • Page 64 GREE Duct type split Air conditioner Inverter Series sure there is no obstacle at the air inlet and air outlet. If there is any obstacle, please remove (3) The installation site shall be able to withstand the weight of outdoor unit and capable for soundproof and vibration.
  • Page 65 GREE Duct type split Air conditioner Inverter Series The connection method of communication wires. 4.5 Fixing and damping of unit The outdoor unit shall be fixed with 4 M12 bolts and closely contacted with the foundation. Otherwise, big vibration and noise will be caused.

  • Page 66: Pipeline Design Of Refrigerant

    GREE Duct type split Air conditioner Inverter Series Unit: mm Model 1430 FGR20Pd/DNa-X(O) 1615 FGR25Pd/DNa-X(O) 1615 FGR30Pd/DNa-X(O) 4.7 Installation space requirement If all sides of the ODU (including the top) are surrounded by walls, process according to the following requirements for installation space: 5 Pipeline Design of Refrigerant 5.1 Notices for pipeline design...

  • Page 67: Installation Of Drain Pipe

    GREE Duct type split Air conditioner Inverter Series 5.3.3 Installation notices for oil loop For the vertical gas pipe, an oil loop shall be installed every 10m from the bottom up, meanwhile, the lowest/highest point of the vertical pipe shall be set with oil loop and check loop.
  • Page 68 GREE Duct type split Air conditioner Inverter Series (4) When directly connecting a hard vinyl chloride pipe joint to the drain hose connected to the indoor unit, use a commercially available hard vinyl chloride pipe joint (nominal diameter 13mm). (5) Drain hose connectedto the indoor unitCommercially availablehard vinyl chloride pipejoint (nominal diameter 13mm)Commercially availablehard vinyl chloride pipe(nominal diameter 13mm).
  • Page 69 GREE Duct type split Air conditioner Inverter Series (8) Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main pipe. (9) The horizontal pipe cannot be connected to the vertical pipe at a same height. It can be connected in a manner as shown below: No.1:3-way connection of drainage pipe joint.

  • Page 70: Electrical Installation

    GREE Duct type split Air conditioner Inverter Series pipes whose gauge is suitable for the operating capacity of the unit.(take the cassette type unit for example). 6.3 Testing of Drain Piping (1) After piping work is finished, check if drainage flows smoothly.

  • Page 71: Debugging＆Maintenance

    GREE Duct type split Air conditioner Inverter Series DEBUGGING＆MAINTENANCE 1 Debugging 1.1 Debugging flow chart Prepare the project before debugging Install the effect check Check the unit Debugging 1.2 Safety notice Warning! ① Take safety measure for outdoor operation. All the participated debugging and maintenance personnel must learn of the safty regulation on architecture construction, and follow the instruction strictly;...
  • Page 72 GREE Duct type split Air conditioner Inverter Series 1.3 Preparation before debugging Notice! Please record those installations which are inconsistent with the specification in time, so as to provide corresponding analysis basis while testing the refrigeration system. Inspection record before debugging.
  • Page 73 GREE Duct type split Air conditioner Inverter Series Inspection record before debugging Pass or Type Inspection items Reference value Examiner Is wiring method of power cable correct? Make sure the wiring is Is the wiring terminal firm? correct and firm.
  • Page 74 GREE Duct type split Air conditioner Inverter Series 1.4 Debugging Process 1.4.1 Confirm before commissioning Description (1) Do not disconnect the power before the installation is finished. (2) All wires for controller and electric wires must be connected correctly and reliably.
  • Page 75 GREE Duct type split Air conditioner Inverter Series DIP switch is set for different models and fixed with glue. (4) The main control function DIP switch “SA6” is used to set master module and subsidiary module, the defaulted factory setting is the main module. As the fig is shown, dialing to “ON” side represents “0”...
  • Page 76 GREE Duct type split Air conditioner Inverter Series Flow-process diagram of debugging: 01:Set master unit 02:Allocate addresses 03:Confirm the quantity of ODU 04:Confirm the quantity of IDU 05:Detect ODU’s internal communication 06:Detect outdoor components 07:Detect indoor components 08:Confirm preheated compressor...
  • Page 77 GREE Duct type split Air conditioner Inverter Series Description of each stage of debugging progress —— Debugging Code Instruction for Code and Operating Method Progress Display Display Code Code The system is allocating addresses. It will display as below after Flicker 10 seconds.
  • Page 78 GREE Duct type split Air conditioner Inverter Series Description of each stage of debugging progress —— Debugging Code Instruction for Code and Operating Method Progress Display Display Code Code Insufficiency preheating of compressor. If the consecutive energization time of all basic modules...
  • Page 79 GREE Duct type split Air conditioner Inverter Series (2) Unit manufactured after Oct 30,2018. Debugging procedure for test run, display instruction for indicator on main board of outdoor unit and operation method are as below: Description of each stage of debugging progress ——...
  • Page 80 GREE Duct type split Air conditioner Inverter Series Description of each stage of debugging progress —— Debugging code Instruction for Code and Operating Method Progress Display Display code status Component error of indoor unit. After eliminating all the errors, enter the next step automatically,...
  • Page 81 GREE Duct type split Air conditioner Inverter Series 1.5.2 Quiet function of outdoor unit This function applys to project with high requirements for noise of outdoor unit, after entering function setting (A7), main board indicator of outdoor unit is displayed as follows:...

  • Page 82: Troubleshooting

    GREE Duct type split Air conditioner Inverter Series 1.5.5 Energy conservation operation setting The function enables the unit to operate in energy conservation mode, after entering function setting (n0), main board indicator of outdoor unit is displayed as follows: Function code...
  • Page 83 GREE Duct type split Air conditioner Inverter Series Display Display Display Content Content Content code code code Malfunction of Low-temperature High pressure protection outdoor unit protection for dicharge Loose protection for Low pressure Discharge high temperature discharge temperature protection protection for compressor...
  • Page 84 GREE Duct type split Air conditioner Inverter Series Display Display Display Content Content Content code code code Malfunction of main control Low rated capacity Address shock of syste unit Communication malfunction between Distribution overflow of Ip Debugging for unit indoor unit receiving...
  • Page 85 GREE Duct type split Air conditioner Inverter Series “A4” oil return Fault display: the main board of outdoor unit and indoor unit will display Applicable model: all models. Judgment condition and method for the fault：It is a status code, which means the system has entered oil return status, if the oil returns under heating mode, the indoor fan will suspend for 5-10min.
  • Page 86 GREE Duct type split Air conditioner Inverter Series Applicable model: all models. Judgment condition and method for the fault：It is a status code, which means the system has entered cooling mode setting status. Possible reason：—— Troubleshooting：—— “AF” fan blow Fault display: the main board of outdoor unit will display Applicable model: all models.
  • Page 87 GREE Duct type split Air conditioner Inverter Series can’t be started. Possible reason：—— Troubleshooting：—— (12) “Ad” limit operation Fault display: the main board of outdoor unit and indoor unit will display Applicable model: all models. Judgment condition and method for the fault：It is a status code, which means emergency operation status is set, however, emergency operation time has exceeded the limit requirement, at this time, the unit is not allowed to conduct emergency operation.
  • Page 88 GREE Duct type split Air conditioner Inverter Series Troubleshooting： “b1”outdoor ambient temperature sensor error Is the terminal between mainboard and ambient temperature If it is loosened or there are foreign sensor loose or any foreign objects, retighten it after treatment.
  • Page 89 GREE Duct type split Air conditioner Inverter Series Possible reason： Poor contact between ambient temperature sensor and terminal in mainboard interface. Temperature sensor is abnormal. The detected circuit is abnormal. Troubleshooting： “b2”Defrosting temperature sensor 1 error If it is loosened or there...
  • Page 90 GREE Duct type split Air conditioner Inverter Series Troubleshooting： “b9”heat exchanger outlet temperature sensor error Is the terminal between If it is loosened or there are mainboard and ambient temperature foreign objects, retighten it sensor loose or any foreign objects after treatment.
  • Page 91 GREE Duct type split Air conditioner Inverter Series (16) “C6” alarming due to wrong quantity of outdoor unit Fault display: the main board of outdoor unit and indoor unit will display Applicable model: all outdoor units. Judgment condition and method for the fault： The system will detect the quantity of online outdoor module at real time.
  • Page 92 GREE Duct type split Air conditioner Inverter Series Error judgment condition and method:Sample the AD value of temperature sensor through temperature sensor detecting circuit and judge the range of AD value, if the sampling AD value exceeds upper limit and lower limit in 5 seconds continuously, report the error.
  • Page 93 GREE Duct type split Air conditioner Inverter Series Troubleshooting: “d5”midst pipe temperature sensor error Is the terminal between If it is loosened or there are mainboard and ambient temperature foreign objects, retighten it sensor loose or any foreign objects after treatment.
  • Page 94 GREE Duct type split Air conditioner Inverter Series (24) “dC” Capacity DIP switch setting error Error display: wired controller of IDU and the dash receiver of IDU will display Error judgment condition and method: If capacity DIP switch is set to the wrong position, report the error.
  • Page 95 GREE Duct type split Air conditioner Inverter Series Troubleshooting： E1 system high pressure protection Is the system high Test if the high pressure Replace the main board of pressure connecting to the switch is normal pressure gage over 4.2MPa? Replace the high pressure...
  • Page 96 GREE Duct type split Air conditioner Inverter Series Low pressure sensor is abnormal. Outdoor or indoor fan is abnormal. Filter screen of IDU or air duct is blocked (cooling mode). Ambient operation temperature is too low. Insufficient refrigerant charging quantity.
  • Page 97 GREE Duct type split Air conditioner Inverter Series Troubleshooting： E3 system low pressure protection Does the low pressure Low pressure sensor error, reach the protection value? Test replace the pressure sensor. with pressure gauge. Add refrigerant according to Is system refrigerant...
  • Page 98 GREE Duct type split Air conditioner Inverter Series system will stop the unit for protection. Possible reason： Cut-off valve of ODU is not opened. Operation of electronic expansion valve is abnormal. Outdoor or indoor fan is abnormal. Filter screen or air duct of IDU is blocked (cooling mode).
  • Page 99 GREE Duct type split Air conditioner Inverter Series (28) “F0” poor main board of outdoor unit Error display: the main board of outdoor unit and indoor unit will display Applicable model: all outdoor units. Error judgment condition and method：Check the reading of address chip, memory chip and clock chip of ODU main board is normal, if not, it can be judged as abnormal.
  • Page 100 GREE Duct type split Air conditioner Inverter Series Troubleshooting： “F5” discharge temperature sensor error of compressor 1 Check the wiring terminal of the main board Re-insert it after proper and temperature sensor to see if it’s loose or treatment are there any foreign objects...
  • Page 101 GREE Duct type split Air conditioner Inverter Series Troubleshooting： “J7” 4-way valve protection Check if the connection of 4-way valve coil and main Connect it correctly and firmly board is correct and firm? Is the voltage of main board output side normal? (Output voltage of the 4-way valve...
  • Page 102 GREE Duct type split Air conditioner Inverter Series (32) “L5” freeze protection Error display: wired controller of IDU and the dash receiver of IDU will display Error judgment condition and method: Check IDU pipe temperature. When pipe temperature is too low, freeze protection will be activated to prevent freezing damage of evaporator.
  • Page 103 GREE Duct type split Air conditioner Inverter Series Possible reason：—— Troubleshooting：—— (36) “n7” parameters inquiry Error display: the main board of outdoor unit and indoor unit will display Applicable model: all models. Error judgment condition and method：It is a status inquiry code, which means the system has entered parameter inquiry status.
  • Page 104 GREE Duct type split Air conditioner Inverter Series (40) “nC” cooling only model Display: ODU mainboard displays Applicable model: all models. Condition and method for fault judgement:The code represents the cooling only status, which prompts that the system has been set as cooling only status, the IDU can only conduct cooling operation.
  • Page 105 GREE Duct type split Air conditioner Inverter Series control board of ODU displays PC). Malfunction of driven charging loop for compressor (dual-8 nixie tube of main control board of ODU displays PF). Desynchronizing protection for inverter compressor (dual-8 nixie tube of main control board of ODU displays P9).
  • Page 106 GREE Duct type split Air conditioner Inverter Series Troubleshooting: “P3” reset protection for the driven module of compressor Try to cut off the power for 3 times, and then re-energize the unit Replace the compressor driven Compressor driven board is...
  • Page 107 GREE Duct type split Air conditioner Inverter Series Troubleshooting: “P5” overcurent protection for inverter compressor Check if the UVW wires are well connected? Check if the resistance value between different windings of compressor are normal (the normal value is less than 2 ohm)?If resistances of two windings are the same;...
  • Page 108 GREE Duct type split Air conditioner Inverter Series Compresso is damaged. The system is blocked. IPM module of compressor driven board is damaged. (48) “P7” malfunction of driven temperature sensor for compressor Error display: ODU mainboard displays Applicable model: all models.
  • Page 109 GREE Duct type split Air conditioner Inverter Series Troubleshooting: “P8” overheating protection for driven IPM of compressor Check if the Check if the screw are firmly overheating protection for driven fixed, if the IPM module has been IPM of compressor occurs once the unit...
  • Page 110 GREE Duct type split Air conditioner Inverter Series Troubleshooting: “P9” desynchronizing protection for inverter compressor Check if the UVW wires of compressor are well connected? Check if the connecting order of UVW wires of compressor is correct? Check if the resistance value...
  • Page 111 GREE Duct type split Air conditioner Inverter Series Troubleshooting: “PC” circuit malfunction of driven current detection for compressor Try to cut off the power for over 3 times, and then re-energize the unit to check if the error is eliminated...
  • Page 112 GREE Duct type split Air conditioner Inverter Series Troubleshooting: “PL” low voltage protection for driven DC bus bar of compressor Check if the voltage of input Adjust the voltage as power cord is less than 320V? Rated voltage Driven board of...
  • Page 113 GREE Duct type split Air conditioner Inverter Series Troubleshooting: “PJ” failure startup for inverter compressor Check if the UVW wires of compressor are well connected? Check if the connecting order of UVW wires of compressor is correct? Check if the resistance value...
  • Page 114 GREE Duct type split Air conditioner Inverter Series (56) “U2” wrong setting of capacity dial code/jumper cap of outdoor unit Error display: ODU mainboard and IDU display Applicable model: all ODUs. Condition and method for fault judgement:Inconsistency between the capacity dial code detected by ODU mainboard and actual capacity of unit.Inconsistency between the jumper cap value detected by...
  • Page 115 GREE Duct type split Air conditioner Inverter Series During the debugging, it means the master IDU has been successively set. Possible cause: —— Troubleshooting: —— (59) Poor cooling/heating effect Applicable model: all IDUs. Condition and method for fault judgement: When IDU operates under cooling mode, and the electronic expansion valve opens to 480PLS, tube outlet temperature of IDU coil is 5°C or above over than tube inlet temperature.
  • Page 116 GREE Duct type split Air conditioner Inverter Series Troubleshooting: Poor cooling/heating effect Check if the cut-off valve Open the cut-off valve to of ODU has been opened to the greatest the greatest flow position flow position? Along the flow direction of...

  • Page 117: Wiring Diagram

    GREE Duct type split Air conditioner Inverter Series 3 Wiring Diagram Advertence: These diagrams only for reference ,the actually diagram please reference the diagram on actually unit. FGR20Pd/DNa-X(I)/FGR25Pd/DNa-X(I)/FGR30Pd/DNa-X(I):...
  • Page 118 GREE Duct type split Air conditioner Inverter Series FGR40Pd/D(2)Na-X(I): FGR20Pd/DNa-X(O):...
  • Page 119 GREE Duct type split Air conditioner Inverter Series FGR25Pd/DNa-X(O): FGR30Pd/DNa-X(O):...

  • Page 120: Disassembly And Assembly Procedure Of Main Parts

    GREE Duct type split Air conditioner Inverter Series 4 Disassembly And Assembly Procedure Of Main Parts Introduction to Main Parts. Disassembly and Assembly of Compressor Remark: Make sure that there isn’t any refrigerant in pipe system and the power supply is cut off before removal of...
  • Page 121 GREE Duct type split Air conditioner Inverter Series Disassembly and Assembly of 4-way valve Remark: Make sure that there isn’t any refrigerant in pipe system and the power supply is cut off before removal of 4-way valve. Step Illustration Handling Instruction Place electric coils far away from 1.Remove electric coils of 4- way...

  • Page 122: Exploded Views And Part List

    GREE Duct type split Air conditioner Inverter Series 5 Exploded Views And Part List 5.1 Indoor Unit Model: FGR20Pd/DNa-X(I)、FGR25Pd/DNa-X(I)、FGR30Pd/DNa-X(I) Exploded View: 　 Model FGR20Pd/DNa-X(I) FGR25Pd/DNa-X(I) FGR30Pd/DNa-X(I) Product Code CF010N0730 CF010N0740 CF010N0750 Part Name Part Code Part Code Part Code Filter Sub-Assy...
  • Page 123 GREE Duct type split Air conditioner Inverter Series Model FGR20Pd/DNa-X(I) FGR25Pd/DNa-X(I) FGR30Pd/DNa-X(I) Product Code CF010N0730 CF010N0740 CF010N0750 Part Name Part Code Part Code Part Code Motor for Centrifugal 15705307 1570411801 10300400004701 Fan(Right Type) Brushless DC Motor 15704100009 15704100009 15704100009 Motor for Centrifugal...
  • Page 124 GREE Duct type split Air conditioner Inverter Series Model FGR40Pd/D(2)Na-X(I) Product Code CF010N0760 Part Name Part Code Air Outlet Panel Sub-assy 000040000029 103004000048/ Motor for Centrifugal Fan 10300400004801 Left Side Plate Assy 000080000020 Hange frame assy 000249000001 Brushless DC Motor...
  • Page 125 GREE Duct type split Air conditioner Inverter Series 5.2 Outdoor Unit Model:FGR20Pd/DNa-X(O)、FGR25Pd/DNa-X(O) Exploded View: Model FGR20Pd/DNa-X(O) FGR25Pd/DNa-X(O) Product Code CF010W0730 CF010W0740 Part Name Part Code Part Code Front Grill 01572800003 01572800003 Diversion Circle 10474100003 10474100003 Cabinet Assy 01514100015 01514100023 Left Side Plate...
  • Page 126 GREE Duct type split Air conditioner Inverter Series Model FGR20Pd/DNa-X(O) FGR25Pd/DNa-X(O) Product Code CF010W0730 CF010W0740 Part Name Part Code Part Code Pressure Protect Switch 4602000902 4602000902 Pressure Protect Switch 46020007 46020007 One Way Valve 07334100075 07335210 Strainer 07212402 07414100026 4-way Valve...
  • Page 127 GREE Duct type split Air conditioner Inverter Series Model: FGR30Pd/DNa-X(O) Exploded View: 　 Model FGR30Pd/DNa-X(O) Product Code CF010W0750 Part Name Part Code Front Grill 01572800003 Diversion Circle 10474100003 Cabinet 01514100016P Front Side Plate 01314100091P Handle 26235253 Axial Flow Fan 10434100008...
  • Page 128 GREE Duct type split Air conditioner Inverter Series Model FGR30Pd/DNa-X(O) Product Code CF010W0750 Part Name Part Code Strainer 07415200002 Compressor and Fitting 00204100015 Cut off Valve 07334100014 Strainer 07414100024 Pressure Protect Switch 4602000902 Pressure Protect Switch 46020007 4-way Valve 43000339...
  • Page 129 JF00303352 JF00304016...

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Fgr25pd/dna-xFgr30pd/dna-xFgr40pd/d(2)na-xCf01000730Cf01000740Cf01000750 ... Show all

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