Gree GMV-335WL/C1-X User Manual

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Owner's Manual

Original Instructions

Commercial Air Conditioners

DC Inverter Multi VRF System

Models:

GMV-H224WL/A-X

GMV-H280WL/A-X

GMV-H335WL/A-X

GMV-224WL/C-X

GMV-280WL/C-X

GMV-335WL/C-X

GMV-280WL/C1-X

GMV-335WL/C1-X

Questions and Answers:

J
Jennifer YoungAug 9, 2025
Why my Gree Air Conditioner doesn't work?
- W
  William DiazAug 9, 2025
  If your Gree Air Conditioner isn't working, there are several potential causes. First, check if a fuse is cut off or the circuit breaker tripped; if so, replace the fuse or reset the breaker. Ensure the unit is properly connected to a power supply. Also, a power failure could be the reason; the unit should restart when power is restored. Check the remote controller’s batteries and replace them if needed. Finally, make sure the remote controller is within its operational range (8m).
D
dmillsAug 19, 2025
What to do if my Gree GMV-335WL/C1-X Air Conditioner runs but stops immediately?
- S
  Samuel HolmesAug 19, 2025
  If your Gree Air Conditioner starts but stops immediately, the air inlet or outlet of the indoor and outdoor units might be blocked. Clear any obstructions to resolve this issue.
S
Sarah StevensAug 30, 2025
What to do if my Gree GMV-335WL/C1-X has abnormal cooling or heating?
- N
  Nicholas KirkAug 30, 2025
  If your Gree Air Conditioner isn't cooling or heating properly, consider these possibilities: * Check for any obstructions blocking the air inlet or outlet of both the indoor and outdoor units and clear them. * Adjust the temperature, fan speed, and wind direction settings on the remote or wired controller. * Ensure all doors and windows are closed and draw any curtains or louvers to block direct sunlight. * Reduce the number of people or heat sources in the room. Lastly, clean the filter if it is blocked and dirty.

Gree GMV-335WL/C1-X Specifications

General

Cooling Capacity	33.5 kW
Heating Capacity	37.5 kW
Refrigerant	R410A
Power Supply	380-415V/3Ph/50Hz
Type	VRF

Summary

General Safety Precautions

Installation and Technician Guidelines

Follow manual instructions for installation and ensure qualified technicians perform the work.

Electrical Safety and Grounding

Verify power supply compliance, use proper grounding, and handle electrical connections safely.

Component and Refrigerant Handling Safety

Use approved parts, prevent refrigerant leaks, and ventilate rooms immediately if leaks occur.

Installation Preparation Guidelines

Installation Site Selection Criteria

Piping Work Requirements

Installation Procedures

Connection Pipe System

Connection Pipe Length and Height Limits

Connection Pipe Installation

Connection Pipe Installation Precautions

Outdoor Pipe Connection Procedures

Y-Type Branch Installation Guide

Pipeline Thermal Insulation Requirements

Vacuum Pumping and Refrigerant Adding

Vacuum Pumping Procedure

Steps for performing vacuum pumping on the system to remove air.

Refrigerant Adding Procedure

Details on calculating and adding refrigerant for the system.

Electrical Wiring Guide

Wiring Installation Notices

Important notices and requirements for performing electrical wiring safely and correctly.

Wiring Diagrams and Specifications

Power Supply and Communication Cable Wiring

Post-Installation Checks and Testing

Pre-Test Installation Checks

Test Operation and Debugging Procedures

Test Operation Preparation Steps

Troubleshooting Common Malfunctions

Error Code Indication and Interpretation

Routine Maintenance and Care

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