Gree GMV-224WM/B-X Owner's Manual
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Gree GMV-224WM/B-X Owner's Manual

Gree GMV-224WM/B-X Owner's Manual

D.c. inverter. multi vrf modular
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Thank you for choosing Air Conditioners, please read this owner's manual carefully before
operation and retain it for future reference.If you have lost the Owner's Manual, please
contact the local agent or visit www.gree.com or sent email to global@gree.com.cn or
electronic version.
GREE reserves the right to interpret this manual which will be subject to any change due
to product improvement without further notice.
GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
D.C. Inverter
Multi VRF Modular
Owner's Manual
Air Conditioners
GMV-224WM/B-X
GMV-280WM/B-X
GMV-335WM/B-X
GMV-400WM/B-X
GMV-450WM/B-X
GMV-504WM/B-X
GMV-1800WM/B-X

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Summary of Contents for Gree GMV-224WM/B-X

  • Page 1 GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice. GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
  • Page 2 Preface Gree DC Inverter Multi VRF System, with the most advanced technologies in the world, uses eco- friendly refrigerant R410A as its cooling medium. For correct installation and operation, please read this manual carefully. Before reading the manual, please note that: (1) For safety operation, please strictly follow the instructions in this manual.

  • Page 3: Table Of Contents

    Contents 1 Safety Precautions ..................1 2 Product Introduction ................3 2.1 Names of Main Parts ................3 2.2 Combinations of Outdoor Units ..............3 2.3 Combinations of Indoor and Outdoor Units ..........4 2.4 The Range of Production Working Temperature ........5 3 Preparation before Installation..............6 3.1 Standard Parts ..................

  • Page 4: Safety Precautions

    D.C. Inverter Multi-variable Modular 1 Safety Precautions Refers to things that are not allowed. Incorrect operation may cause personal injury or death. refers to things that must be followed. Incorrect operation may cause personal injury or death. Installation should be conducted by dealer or qualified personnel.
  • Page 5 GREE will not assume responsibility of personal injury or equipment damage caused by improper installation and commission, unnecessary service and incapable of following the rules and instructions listed in this manual.

  • Page 6: Product Introduction

    10%-100% can be realized. Various product lineup is provided with capacity range from 22.4kW to 180kW, which can be widely used in working area and especially applicable to the place with variable load change.Gree air conditioner is absolutely your best choice.

  • Page 7: Combinations Of Indoor And Outdoor Units

    +GMV-450WM/B-X +GMV-450WM/B-X +GMV-450WM/B-X +GMV-450WM/B-X +GMV-450WM/B-X 2.3 Combinations of Indoor and Outdoor Units (1) The following table indicates the number of IDU for ODU ODU model Max number of connectable IDU (unit) GMV-224WM/B-X GMV-280WM/B-X GMV-335WM/B-X GMV-400WM/B-X GMV-450WM/B-X GMV-504WM/B-X GMV-560WM/B-X GMV-615WM/B-X GMV-680WM/B-X...

  • Page 8: The Range Of Production Working Temperature

    D.C. Inverter Multi-variable Modular The total capacity of indoor units should be within 50%~135% of that of outdoor units. Outdoor Unit Indoor Unit Four-way Cassette Type One-way Cassette Type Wall Mounted Type Duct Type Fig.2 Fig.2 is the combination view of the ODU of Modular DC Inverter Multi VRF System and the IDU of Multi VRF System.

  • Page 9: Preparation Before Installation

    Thank you for choosing Air Conditioners, please read this owner’s manual carefully before operation and retain it for future reference. GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice.
  • Page 10 D.C. Inverter Multi-variable Modular 3.2.1 When the outdoor unit is totally surrounded by walls, please refer to following figures for space dimension. 3.2.1.1 Space dimension for single-module unit Air Outlet ＞1000 ＞1000 Electrical Box Outlet on this side Fig. 3 3.2.1.2 Space dimension for dual-module unit ＞200 Air Outlet...
  • Page 11 D.C. Inverter Multi-variable Modular 3.2.1.4 Space dimension for four-module unit ＞200 ＞200 ＞200 Air Outlet ＞1000 ＞1000 ＞200 ＞200 ＞200 Electrical Box Outlet on this side Fig.6 3.2.2 When there is wall (or similar obstruction) above the unit, keep the distance between the unit top and the wall at least 300mm or above.
  • Page 12 D.C. Inverter Multi-variable Modular 3.2.3 Space dimension for multiple-module unit For keeping good ventilation, make sure there is no obstructions above the unit. When the unit is located at a half-open space (front and left/right side is open), install the unit as per the same or opposite direction.

  • Page 13: Piping Work Requirements

    D.C. Inverter Multi-variable Modular 3.2.5 Take snow into consideration when installing the outdoor unit Protective cover at Correct the supply air outlet Incorrect (field supplied) Protective cover at the return air inlet (field supplied) Seasonal wind Seasonal wind The height of the base should higher than that of the snowfall.

  • Page 14: Installation Instruction

    D.C. Inverter Multi-variable Modular 4 Installation Instruction 4.1 Physical Dimension of the Outdoor Unit and Mounting Hole Outline and Physical Dimention of GMV-224WM/B-X and GMV-280WM/B-X unit. Installation hole Fig.13 Outline and Physical Dimention of GMV-335WM/B-X, GMV-400WM/B-X and GMV-450WM/B-X unit. Installation hole...

  • Page 15: Connection Pipe

    D.C. Inverter Multi-variable Modular 4.2 Connection Pipe 4.2.1 Schematic Diagram of Piping Connection Module Module Module Module No.1 No.2 No.3 No.4 Manifold between outdoor units Gas pipe Liquid pipe Oil balance pipe Connection pipe between outdoor Outdoor manifold and the first indoor manifold connection pipe Connection pipe between indoor manifold and indoor units...
  • Page 16 D.C. Inverter Multi-variable Modular 4.2.2 Schematic Diagram of Piping Sequence GMV-224WM/B-X and GMV-280WM/B-X Liquid pipe Gas pipe Oil checking valve Low pressure check valve Oil balance pipe Fig.16 GMV-335WM/B-X, GMV-400WM/B-X and GMV-450WM/B-X Liquid pipe Gas pipe Oil checking valve Low pressure...
  • Page 17 D.C. Inverter Multi-variable Modular 4.2.3 Allowable pipe length and drop height among indoor and outdoor units Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is shown in the figure below. Remark: Equivalent length of one Y-type manifold is about 0.5m. Outdoor unit The 1st branch section...
  • Page 18 Outdoor Model Gas pipe size(mm) Liquid pipe size(mm) No need to enlarge pipe size No need to enlarge pipe size GMV-224WM/B-X No need to enlarge pipe size GMV-280WM/B-X Φ12.7 GMV-335WM/B-X Φ28.6 Φ15.9 GMV-400WM/B-X Φ31.8...
  • Page 19 D.C. Inverter Multi-variable Modular No need to enlarge pipe size GMV-1800WM/B-X Φ25.4 (4) If the length between an IDU and its nearest branch is above 10m, then increase the size of the liquid pipe of IDU (only for the pipe size that is≤6.35mm). 4.2.4 Connection Pipe among Outdoor Modules Outdoor unit...
  • Page 20 D.C. Inverter Multi-variable Modular Pipe size of basic outdoor module is shown as follows: Pipe between ODU and the first branch of IDU Basic Module Gas Pipe(mm) Liquid Pipe(mm) Φ19.05 Φ9.52 GMV-224WM/B-X Φ22.2 Φ9.52 GMV-280WM/B-X Φ25.4 Φ12.7 GMV-335WM/B-X Φ25.4 Φ12.7 GMV-400WM/B-X Φ28.6...
  • Page 21 The 1st branch section Fitting pipe between outdoor unit and the first indoor manifold Fig.24 Pipe between ODU and the first branch of IDU Basic Module(single module) Gas Pipe(mm) Liquid Pipe(mm) GMV-224WM/B-X Φ19.05 Φ9.52 GMV-280WM/B-X Φ22.2 Φ9.52 GMV-335WM/B-X Φ25.4 Φ12.7 Φ25.4...
  • Page 22 D.C. Inverter Multi-variable Modular For multiple modules, the piping from ODU to the first branch of IDU is based on the total rated capacity of outdoor modules. Outdoor unit1 Outdoor unit2 Outdoor unit3 The 1st branch section Fitting pipe between outdoor unit and the first indoor manifold Fig.25 Pipe between ODU and the first branch of IDU...
  • Page 23 D.C. Inverter Multi-variable Modular 4.2.5.5 Manifold at indoor unit side Manifold at indoor unit side can be selected as per total capacity of downstream indoor unit(s). Refer to the following table. Outdoor unit1 Outdoor unit2 Outdoor unit3 Indoor manifold Fig.26 Total capacity of downstream R410A Refrigerant System Model...
  • Page 24 D.C. Inverter Multi-variable Modular Dimension of the pipe of indoor branch Total capacity of downstream indoor unit(s) C(kW) Gas Pipe(mm) Liquid Pipe (mm) Φ12.7 Φ6.35 14.2 Φ15.9 Φ9.52 14.2 22.4 Φ19.05 Φ9.52 22.4 28.0 Φ22.2 Φ9.52 28.0 40.0 Φ25.4 Φ12.7 40.0 45.0 Φ28.6...

  • Page 25: Installation Of The Connection Pipe

    D.C. Inverter Multi-variable Modular 4.3 Installation of the Connection Pipe 4.3.1 Precautions when installing the connection pipe (1) Conform to the following principles during piping connection:Connection pipeline should be as short as possible.The height difference between indoor and outdoor units should be as short as possible.Keep number of bends as little as possible.
  • Page 26 D.C. Inverter Multi-variable Modular Cut in the middle Fig.31 Total capacity of downstream Y-type manifold Model indoor unit(s) (X) FQ01A/A FQ01B/A FQ02/A 1350 FQ03/A 1350 FQ04/A (4) Manifold is isolated by insulating material that can bear 120 or higher temperature. Manifold attached foam can not be taken as insulating material.

  • Page 27: Air Purging And Refrigerant Charge

    D.C. Inverter Multi-variable Modular tape so tightly, otherwise the insulation effect will be weakened. 6) After wrapping the pipe, adopt sealing material to completely fill the hole so as to prevent wind and rain from entering the room. 4.3.4 Support and protection for pipeline (1) Support should be made for hanging connection pipe.

  • Page 28: Electric Wiring

    D.C. Inverter Multi-variable Modular Refrigerant charging amount B of every module(kg) ② Module capacity(kW) IDU/ODU rated capacity Quantity of included IDUs 22.4 28.0 33.5 40.0 45.0 collocation ratio C ① 50% C 70% 70% C 90% 90% C 105% 105% C 115% 115% C 135% For example: The OUD is composed of 3 modules: GMV-280WM/B-X, GMV-400WM/B-X, and GMV-450WM/...
  • Page 29 5-core cable is used and the wire size unit is mm Air switch Air switch Wire size of Wire size of combined Model Basic models capacity capacity for power supply uni (mm combined units (A) GMV-224WM/B-X GMV-224WM/B-X 2.5×5 GMV-280WM/B-X GMV-280WM/B-X 2.5×5 GMV-335WM/B-X GMV-335WM/B-X 4.0×5 GMV-400WM/B-X GMV-400WM/B-X 6.0×5...
  • Page 30 D.C. Inverter Multi-variable Modular NOTE:“224+280”: indicates the combination of GMV-224WM/B-X and GMV-280WM/B-X unit. Please refer to the following table for circuit breaker and air switch for indoor units. Breaker listed in the table represents total capacity of breaker in one system.
  • Page 31 D.C. Inverter Multi-variable Modular condition is different, please adjust the specification according to national standard. ③ Copper-core cable must be used. ④ The above sectional area is suitable for a maximum distance of 15m. If it’s over 15m, sectional area must be expanded to prevent overload current from burning the wire or causing fire hazard. ⑤ Specification of circuit breaker is based on the working condition where the ambient temperature of circuit breaker is 40 .

  • Page 32: System Communication

    D.C. Inverter Multi-variable Modular Fig.36 4.6 System Communication 4.6.1 Communication system include: (1) Communication among outdoor basic modules; (2) Communication between ODU and IDU; (3) Communication among IDUs; (4) Communication between IDU and wired controller; (5) Connection between IDU and light board receiver; (6) Communication between different refrigeration systems;...
  • Page 33 D.C. Inverter Multi-variable Modular Module 3 (slave unit) Module 2 (slave unit) Module 1 (master unit) Main board Main board Main board Communication interface Communication interface Communication interface Communication Interface of Interface of Communication Interface of Interface of Communication Interface of Interface of of ODU/IDU of ODU/IDU...
  • Page 34 D.C. Inverter Multi-variable Modular Graphic of connection between IDU and wired controller IDUn IDU1 IDU2 IDU3 L(n-1) Slave wired Master wired L=Lx1+Lx2+L1+L2+L(n-1)(n 16) ≤ controller controller Fig.38 (2) Select communication wire between ODU and IDU Total Length L(m) of Communication Cable Wire size Material Material Type...
  • Page 35 D.C. Inverter Multi-variable Modular ODU1 ODU2 ODU3 ODU4 Wrong IDU1 IDU2 IDUn Fig.41 ODU1 ODU2 ODU3 ODU4 Wrong IDU1 IDU2 IDUn IDU1 IDU2 IDUn Fig.42 (2) All communication wires of GMV5 are connected by screws. Connection screw Terminal Board Fig.43 (3) If a single communication wire is not long enough and needs to be connected, the connected joint must be welded or pressure-welded.

  • Page 36: Connection Method And Steps For System Communication

    D.C. Inverter Multi-variable Modular 4.7 Connection Method and Steps for System Communication 4.7.1 Communication connection between IDU and ODU NOTE:The centralized controller can be installed when it is necessary. Connect IDU and ODU via terminal D1/D2 of wiring board XT2. Below are the connection graphics of single unit and modular units: D1 D2 G1G2...
  • Page 37 D.C. Inverter Multi-variable Modular Note: ① For modular outdoor units, if there are multiple outdoor modules, then the master unit must be the first outdoor module on the communication wire and should not connect with IDU (master unit is set by SA8 of the outdoor main board). ② For modular outdoor units, if there are multiple outdoor modules, then indoor units must be connected with the last slave module of ODU (slave module is set by SA8 of the outdoor main board).
  • Page 38 D.C. Inverter Multi-variable Modular IDU1 IDU2 IDU16 Fig.49 Two wired controllers control multiple IDUs When two wired controllers control multiple IDUs, the wired controller can be connected to any one IDU, provided that the connected IDU is of the same series. Meanwhile, one and only one of the wired controllers must be set as a slave controller.
  • Page 39 D.C. Inverter Multi-variable Modular IDU main board Dsp1 Dsp2 8-core interface 9-core interface Connection wire (17-core) Fig.50 Note: ① Wired controller and light board remote receiver can be used at the same time. ② When light board remote receiver is used, please use remote controller at the same time. 4.7.4 Communication connection of central controlling units NOTE:The centralized controller can be installed when it is necessary.
  • Page 40 D.C. Inverter Multi-variable Modular ODU 1 (master unit) ODU 2 ODU 3 ODU 4 (slave unit) (slave unit) (slave unit) D1 D2 G1G2 System 1 D1 D2 G1G2 D1 D2 G1G2 D1 D2 G1G2 MODBUS GATEWAY ODU 1 (master unit) ODU 2 (slave unit) NO.1...

  • Page 41: External Electrical Wiring Diagram

    D.C. Inverter Multi-variable Modular 4.8 External Electrical Wiring Diagram Each unit should be equipped with a circuit breaker for short circuit protection and exceptional overload protection. Besides, a main circuit breaker shall be prepared for IDUs and ODUs in order to connect or disconnect power of the entire system.
  • Page 42 D.C. Inverter Multi-variable Modular 4.8.2 External wiring diagram of modular connection Power L1 L2 L3 N L1 L2 L3 N L1 L2 L3 N Terminal Board XT1 Terminal Board XT1 Terminal Board XT1 (Power) (Power) (Power) Terminal Board XT2 Terminal Board XT2 Terminal Board XT2 (Communication) (Communication)

  • Page 43: Check Items After Installation And Trial Run

    D.C. Inverter Multi-variable Modular 5 Check Items after Installation and Trial Run 5.1 Check Items after Installation Check Items Conditions Might Happen Check Has the unit been fixed firmly? The unit may drop, shake or emit noise. It may cause insufficient cooling/heating Have you done the gas leakage test? capacity.
  • Page 44 D.C. Inverter Multi-variable Modular 5.2.2 Trial run 5.2.2.1 Notices (1) Before test operation, make sure unit is power on and compressor has been preheated for more than 8 hours. Touch the unit to check whether it’s normally preheated. Start test operation after unit is normally preheated, otherwise compressor might be damaged.
  • Page 45 D.C. Inverter Multi-variable Modular Description of each stage of debugging progress —— Debugging code Progress code Status code LED1 LED2 LED3 Meaning progress Display Display Display Code code Code status status status light light blink System is allocating addresses. Master IDU is not set. Please set master 02_Allocate light light...
  • Page 46 D.C. Inverter Multi-variable Modular —— Debugging code Progress code Status code LED1 LED2 LED3 Meaning progress Display Display Display Code code Code status status status Calculate the refrigerant quantity manually 11_Calculate and confirm the perfusion status of refrigerant refrigerant quantity light light light...
  • Page 47 D.C. Inverter Multi-variable Modular 5.2.2.2 Debugging operation mode GMV5 multi VRF system has two debugging modes: one is direct operation on main board of outdoor units while the other is PC operation via special software. In PC software debugging, indoor/ outdoor parameters can be displayed and historical data can be recorded and inquired.
  • Page 48 D.C. Inverter Multi-variable Modular LED1 LED2 LED3 Progress Code Display status Code Display status Code Display status 03_Confirm the quantity of light light light modules If the quantity displayed is different from actual quantity, then disconnect power and check whether communication wire among each module is correctly connected. After the check, start debugging again.
  • Page 49 D.C. Inverter Multi-variable Modular 06_Detect outdoor No error is detected in outdoor components. Light Light Light components Start next progress. If error is detected, system will stay at current progress. Error has to be solved manually. Below is relevant error: ——...
  • Page 50 D.C. Inverter Multi-variable Modular Step 13: progress 09 is “Refrigerant judgments before startup” If the refrigerant quantity inside the system meets the requirement of operation startup, system will display as below and start next progress. —— Debugging code Progress code Status code LED1 LED2...
  • Page 51 D.C. Inverter Multi-variable Modular Step 15: progress 11 is “Calculate refrigerant quantity manually” No need to operate. System will start next progress. Step 16: progress 12 is “Confirm debugging startup” In order to make sure all preparation work is done before startup, this step is designed for user to confirm the startup again.
  • Page 52 D.C. Inverter Multi-variable Modular B If heating mode is selected, relevant display is as below: —— Debugging code Progress code Status code LED1 LED2 LED3 Meaning progress Display Display Display Code code Code status status status Debugging is enabled in heating mode Light Light Light...
  • Page 53 D.C. Inverter Multi-variable Modular 5.2.3 Appendix: judgment reference of normal operational parameters Reference of Debug Parameters of GMV5 DC Inverter Multi VRF System Debug item Parameter name Unit Reference Outdoor ambient temp —— Discharge tube temp of inverter ●When system compressor starts up, temp of discharge tube or casing compressor 1 top in cooling mode is within 70~95 , and at least 10 higher than...
  • Page 54 D.C. Inverter Multi-variable Modular Reference of Debug Parameters of GMV5 DC Inverter Multi VRF System Debug item Parameter name Unit Reference Operating freq of fan motor 1 Adjusts in 0~65Hz according to system pressure. Current of fan motor 1 Operating freq of fan motor 2 ●Adjusts in 0~65Hz according to system pressure.

  • Page 55: Common Malfunction And Troubleshooting

    Otherwise, there will be collision malfunction of the project codes. For detail operation methods, please refer to the GMV5 Installation and Maintenance Manual. ② If problem can not be solved after checking the above items, please contact Gree service center and show phenomena and models.
  • Page 56 D.C. Inverter Multi-variable Modular The unit blows out When unit runs after no operation for a long Dust in indoor unit is blew out duct period The unit emits The room odor absorbed by the unit is Operating odor blew out again Indoor unit still Indoor fan motor will keep running 20-70s After every indoor unit receive "stop"...

  • Page 57: Error Indication

    D.C. Inverter Multi-variable Modular 7 Error Indication Inquiry method of malfunction display: combine division number and content number to check the corresponding malfunction. For example, division number L and content number 4 together means power supply over-current protection. Content symbol Distinguish symbol Malfunction of IDU...
  • Page 58 D.C. Inverter Multi-variable Modular Content symbol Distinguish symbol Models for indoor unit Alarm because the and outdoor unit isn’t air quality is bad matching Indoor Malfuncti on of Abnormal capacity PCB of wired contro Mal function of indoor air-outlet temperat ure address setting -ller is abnormal sensor...

  • Page 59: Maintenance And Care

    Gree. Warranty should meet the folowing requirements: (1) First run of the unit should be operated by professional personnel from Gree appointed service center. (2) Only Gree manufactured accessories can be used on the machine.
  • Page 60 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai, Guangdong, China, 519070 Tel: (+86-756) 8522218 Fax: (+86-756) 8669426 E-mail: gree@gree.com.cn www.gree.com...

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