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Gree GMV-450WM/G-X - User Manual

Gree GMV-450WM/G-X
74 pages
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Owner's Manual
Original Instructions
Commercial Air Conditioners
GMV DC Inverter VRF
Models:
GM
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GMV-280WM/G-X
GMV-335WM/G-X
……
GMV-2720WM/G-X

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Questions and Answers

  • G
    gordon67Aug 9, 2025
    Why my Gree Air Conditioner unit doesn’t work?
    • V
      victorcollinsAug 9, 2025
      Your Gree Air Conditioner might not be working due to several reasons: a cut-off fuse or circuit breaker (replace the fuse or reset the circuit breaker); a power failure (restart the unit when power is restored); disconnected power supply (connect the power); insufficient remote controller power (replace the battery); or the remote controller being out of range (ensure it's within 8m).
  • D
    David NorrisAug 20, 2025
    What to do if my Gree Air Conditioner has abnormal cooling or heating?
    • D
      Dr. Donna Stevens DDSAug 20, 2025
      If your Gree Air Conditioner isn't cooling or heating properly, check for these possible causes: blocked air inlets or outlets (clear any obstructions); improper temperature, fan speed, or wind direction settings (adjust via the remote or wired controller); open doors or windows (close them); direct sunshine (use curtains or louvers); too many people or heat sources in the room (reduce these); or a blocked and dirty filter (clean the filter).
  • K
    Kenneth BrooksAug 29, 2025
    What to do if my Gree Air Conditioner runs but stops immediately?
    • T
      Todd RiceAug 30, 2025
      If your Gree Air Conditioner starts but stops right away, it might be because the air inlet or outlet of the indoor or outdoor units is blocked. Clear any obstructions to resolve this.

Summary

Product Installation

Safety Precautions for Installing, Repairing and Moving Units

Outlines essential safety measures for handling and installing the unit.

Outdoor Unit Installation

Provides guidelines and procedures for installing the outdoor unit.

Vacuum and Drying of Refrigeration System

Describes procedures for vacuuming and drying the refrigeration system.

Additional Refrigerant Charging

Details methods for calculating and adding refrigerant to the system.

Electrical Installation

Covers safety and procedures for electrical connections and wiring.

Debugging and Operation

Troubleshooting

Common Malfunction and Troubleshooting

Lists common problems, their causes, and solutions for the unit.

Error Indication

Explains error codes and their meanings for diagnosing unit faults.

Gree GMV-450WM/G-X Specifications

General IconGeneral
Cooling Capacity45.0 kW
Heating Capacity50.0 kW
Power Supply380-415V/3Ph/50Hz
RefrigerantR410A
Operating Temperature (Cooling)-5°C to 48°C
Operating Temperature (Heating)-20°C to 24°C

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