Gree GMV Series Owner's Manual
  1. Manuals
  2. Brands
  3. Gree Manuals
  4. Air Conditioner
  5. GMV series
  6. Owner's manual
Gree GMV Series Owner's Manual

Gree GMV Series Owner's Manual

Commercial air conditioners , dc inverter vrf
Hide thumbs Also See for GMV Series:
Table of Contents

Advertisement

Quick Links

Owner's Manual
Original Instructions
Commercial Air Conditioners
GMV DC Inverter VRF
Models:
GMV-785W/A-M
GMV-900W/A-M
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Advertisement

Table of Contents
loading

Related Manuals for Gree GMV Series

Summary of Contents for Gree GMV Series

  • Page 1 Owner's Manual Original Instructions Commercial Air Conditioners GMV DC Inverter VRF Models: GMV-785W/A-M GMV-900W/A-M Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 2 (8) The final right to interpret for this instruction manual belongs to Gree Electric Appliances Inc. of Zhuhai. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 3: Table Of Contents

    8.4 Maintenance after Seasonal Use ................60 8.5 Parts Replacement ....................60 9 After-sales Service ..................... 60 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 4: Safety Notices (Please Be Sure To Abide)

    Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 5 Do not cut off the circumstances. power when 24 hours short-time halting (to protect the compressor). Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 6 DISPOSAL: Do not dispose this product as unsorted municipal waste. Collection of such waste separately for special treatment is necessary. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 7: Product Introduction

    (1) The following table indicates the number of IDU for ODU ODU model Max number of connectable IDU (unit) GMV-785W/A-M GMV-900W/A-M Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 8: The Range Of Production Working Temperature

    Ambient temperature: -7°C~16°C Note：Out of the working Temperature Range may damage this product and will invalidate the warranty. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 9: Preparation Before Installation

    Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 10 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 outdoor unit unit:mm Fig. 3 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 11 3.2.1.2 Space dimension for two outdoor units unit:mm Fig. 4 3.2.1.3 Space dimension for three outdoor units unit:mm Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 12 When space is limited within 1500mm or the unit is not set in an open space, air return pipe is required to be installed in order to keep good ventilation (See Fig.8). Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 13 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. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 14 GMV DC Inverter VRF unit:mm Fig.9 Fig.10 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 15 （1）Anti-monsoon installation requirements for unit not connecting exhaust duct: Fig.11 （2）Anti-monsoon installation requirements for unit connecting exhaust duct: Fig.12 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 16: Piping Work Requirements

    1/2H ≥1.5 Φ34.90 1/2H ≥1.5 Φ38.10 1/2H ≥1.5 Φ41.30 1/2H ≥1.5 Φ44.5 1/2H ≥1.5 Φ54.1 1/2H ≥1.5 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 17: Installation Instruction

    4.1 Physical Dimension of the Outdoor Unit and Mounting Hole Outline and Physical Dimention of GMV-785W/A-M and GMV-900W/A-M unit. Unti:mm Fig.14 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 18: Connection Pipe

    GMV DC Inverter VRF 4.2 Connection Pipe 4.2.1 Schematic Diagram of Piping Connection Fig.15 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 19 L10: Length from the first branch to the farthest IDU; L11: Length from the first branch to the nearest IDU; Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 20 ③ 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). ≤ Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 21 Manifold at indoor unit side can be selected as per total capacity of downstream indoor unit(s). Refer to the following table. Fig.19 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 22 Total capacity of downstream indoor unit(s) C(kW) Gas Pipe(mm) Liquid Pipe (mm) C≤5.0 Φ12.7 Φ6.35 5.0＜C≤14.2 Φ15.9 Φ9.52 14.2＜C≤22.4 Φ19.05 Φ9.52 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 23: Installation Of The Connection Pipe

    (2) Weld the connection pipes between indoor and outdoor unit. Please strictly conform to the requirements for welding process. Rosin joints and pin holes are not allowable. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 24 4.3.2 Manifold (1) Y-type manifold, See the Fig. 24. T- type manifold, See the Fig.25 Fig. 24 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 25 See the Fig.27. T-type manifold must be installed horizontally with inclination, see the Fig.28. Fig.27 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 26 (3) There must be three fixing point for both horizontal and vertical installation of the Y-type manifold. See Fig.30. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 27 1) To avoid condensate or water leakage on connecting pipe, the gas pipe and liquid pipe must be wrapped with thermal insulating material and adhesive pipe for insulation from the air. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 28: Air Purging And Refrigerant Charge

    (1) Confirm outdoor liquid and gas valves are closed. Air puring from the nozzel located on liquid and gas valves by vacuum pump.See Fig.33. Fig.33 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 29 IDUs is more than 4 sets. Please refer to the above table. Rrefrigerant charging amount B for 90kw is 8.0kg. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 30 Fig. 34 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 31: Electric Wiring

    Grounding breaker (A) （mm²×mm Wire(mm 380V~415V 3N～ 50Hz GMV-785W/A-M 16.0 25×3+16×2 380V~415V 3N～ 50Hz GMV-900W/A-M 16.0 25×3+16×2 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 32 Use cable ties to tie the cable securely, c) Lead the power cord as instructed in the graphic below: Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 33: System Communication

    (3) Communication between IDU and wired controller; (4) Connection between IDU and light board receiver; (5) Graphics of general communication connection Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 34 4.6.2 Communication mode CAN bus mode is taken for communication between IDU and ODU and communication among IDUs. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 35 3. If unit is installed in places with intense /60227 IEC 53) magnetic field or strong interference, it is necessary to use shielded wire. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 36 4.6.3.2 Connection mode of communication (1) All communication wires must be connected in series rather than in star. Fig.40 Fig.41 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 37: Connection Method And Steps For System Communication

    Connect IDU and ODU via terminal D1/D2 of wiring board XT2. Below are the connection graphics of single unit and modular units: Fig.43 Connection of single unit Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 38 Fig.44 One wired controller controls one IDU Fig.45 Two wired controllers control one IDU Fig.46 One wired controller controls multiple IDUs Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 39 Press “ON/OFF” button to go back to the home page, while not to turn on/off the unit. ③ Under parameter viewing status, the signal from remote controller is invalid. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 40 Port connection G1 and G2 on the wiring board XT2 of master unit among each multi VRF system. (see below) Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 41 DIP switch SA2.The centralized control address DIP switch can’t be the same between the master units of different VRF system and Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 42: External Electrical Wiring Diagram

    Besides, a main circuit breaker shall be prepared for IDUs and ODUs in order to connect or disconnect power of the entire system. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 43 Maximum number of IDU is based upon ODU capacity. For details, please refer to the introduction of units’ combination. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 44: Check Items After Installation And Trial Run

    (3) All the objects like metal filing, thrum and clip should be cleared after installation. (4) Check if the unit appearance and piping system is damaged or not due to Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 45 (4) During debugging, front panel of the outdoor unit must be fully closed; otherwise, debugging accuracy will be affected (see below). Fig.52 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 46 IDU/ODU “low proportion of rated light light light capacity”. Detection is finished. Start next light light light progress. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 47 Debugging is enabled in cooling mode 15_Cooling light light light (debugging mode, auto-selected by debugging system). Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 48 Step 3: disconnect power for outdoor units and set one module as a master unit. Setting methods can be seen in Master Unit Setup SA8_MASTER_S; Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 49 Code Code status status status Quantity of 04_Confirm the Light Light connected blink quantity of IDUs IDUs Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 50 06_Detect No error is detected in outdoor outdoor Light Light Light components. Start next progress. components Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 51 08_Confirm Preheat time for compressor is 8h. Start preheated Light Light Light next progress. compressor Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 52 10_Status judgments of Light Light Light Outdoor valves are being turned on. outdoor valves before startup Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 53 Manual calculation of refrigerant Light Light Light outdoor valves quantity is set up. before startup Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 54 U8 error, then LED3 displays like this: 01 (2s later) 00 (2s later) U8, and repeat again. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 55 System low pressure ℃ ●When ambient temp is -5~10℃, system’s low pressure value in heating mode is -15~5℃. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 56 No water drop from unit base. ●Compressor and indoor/outdoor fan motor has no Others —— ℃ strange noise. Unit operates normally. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 57: Common Malfunction And Troubleshooting

    When unit runs after no operation for a long Dust in indoor unit is blew out duct period Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 58: Error Indication

    Indoor PCB is poor Malfunction of swing parts Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 59 High-pressure sensor and Reset protection of driving module of low-pressure sensor are connected compressor reversely Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 60 AC current protection of inverter fan Current sensor of compressor 1 is AC input voltage of drive of inverter abnormal Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 61 Communication malfunction of mode Malfunction of lack of IDU exchanger Alarm because project code of IDU is inconsistent Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 62: Maintenance And Care

    (6) Check if the outdoor unit is installed firmly. If there is something abnormal, please contact the GREE appointed service center. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

  • Page 63: Maintenance After Seasonal Use

    (3) All the instructions listed in this manual should be followed. (4) Warranty will be automatically invalid if fails to obey any item mentioned above. Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
  • Page 64 Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

This manual is also suitable for:

Gmv-785w/a-mGmv-900w/a-m

Table of Contents