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Gree GMV-400WM/B-X - User Manual

Gree GMV-400WM/B-X
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Owner's Manual
Air Conditioners
Models:
GMV-224WM/B-X
GMV-280WM/B-X
GMV-335WM/B-X
GMV-400WM/B-X
GMV-450WM/B-X
GMV-504WM/B-X
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■
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GMV-2460WM/B-X
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

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Questions and Answers

  • T
    tapiaericAug 9, 2025
    Why is my Gree Air Conditioner not cooling or heating properly?
    • A
      Andrea GriffinAug 9, 2025
      If your Gree Air Conditioner isn't cooling or heating correctly, several factors could be the cause: * Check for any obstructions blocking the air intake or outlet of either the indoor or outdoor unit and remove them. * Ensure that the temperature, fan speed, and wind direction are appropriately set using the wireless or wired controller. * Make sure doors and windows are closed, and draw curtains or louvers to block direct sunlight. * Reduce the number of heat sources in the room. * Clean the filter if it's blocked with dirt.
  • K
    Kenneth NorrisAug 18, 2025
    What to do if my Gree GMV-400WM/B-X Air Conditioner doesn’t run?
    • U
      ubrownAug 18, 2025
      If your Gree Air Conditioner isn't running, consider these potential causes: * **Power Supply:** Ensure the unit is properly connected to a power supply. * **Voltage:** Verify that the voltage is within the specified rating range. * **Fuse/Breaker:** Check for a broken fuse or tripped breaker and replace the fuse or reset the breaker. * **Remote Controller Battery:** Replace the batteries in the remote controller if they are weak. * **Remote Controller Range:** Make sure you are within the remote controller's operational range (8m).
  • R
    Roy NortonAug 28, 2025
    What to do if my Gree GMV-400WM/B-X runs but stops immediately?
    • A
      Arthur RodgersAug 28, 2025
      If your Gree Air Conditioner starts but then stops right away, it might be due to a blocked air intake or outlet on either the indoor or outdoor unit. Remove any obstructions to resolve this.

Summary

D.C. Inverter Multi VRF Modular Owners Manual

General Safety Precautions

Critical safety guidelines and warnings for operation and installation.

Installation Preparation

Installation Site Guidelines

Guidelines for choosing a suitable location for outdoor unit installation.

Outdoor Unit Space Requirements

Installation Procedures

Connection Pipe Installation

Guidelines and warnings for connecting pipes, including welding and bending.

Air Purging and Refrigerant Charging

Procedures for air purging and charging additional refrigerant for the system.

Electrical Wiring and Communication

Electrical Wiring Precautions

Safety guidelines and methods for connecting power cords and wiring.

External Electrical Wiring Diagrams

Installation Checks and Trial Run

Post-Installation Check Items

Trial Run and Debugging Process

Guides through the trial run process, including preheating and debugging modes.

Troubleshooting and Error Codes

Common Malfunctions and Solutions

Lists common issues, their causes, and corrective measures.

Error Indication Guide

Explains how to interpret error codes displayed by the system.

Gree GMV-400WM/B-X Specifications

General IconGeneral
Power Supply380-415V/3Ph/50Hz
RefrigerantR410A
Energy Efficiency Ratio (Cooling)3.5
Energy Efficiency Ratio (Heating)3.8
Operating Temperature Range (Heating)-15°C to 24°C
TypeVRF
Cooling Capacity40.0 kW
Heating Capacity45.0 kW
Compressor TypeInverter Scroll Compressor
Indoor Unit TypeDucted
Indoor Unit Dimensions (HxWxD)Varies depending on the indoor unit type and capacity
Indoor Unit WeightVaries depending on the indoor unit type and capacity
Operating Temperature Range (Cooling)-5°C to 50°C

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