Gree GMV-335WL/C-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

Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Table of Contents

Other manuals for Gree GMV-335WL/C-X

Service Manual173 pages

Questions and Answers:

M
Maxwell KochJul 25, 2025
Why my Gree GMV-335WL/C-X Air Conditioner doesn't work?
- A
  Angela Anderson DVMJul 25, 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).
J
Jessica EdwardsJul 30, 2025
What to do if my Gree Air Conditioner runs but stops immediately?
- T
  Todd MorrisJul 30, 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
Shawn KingAug 4, 2025
How to troubleshoot a Gree GMV-335WL/C-X Air Conditioner that doesn't work?
- M
  Meredith MartinezAug 4, 2025
  If your Gree Air Conditioner isn't working, there are several potential causes. First, check if a fuse is cut off or a circuit breaker has tripped; if so, replace the fuse or reset the breaker. Also, check for a power failure and restart the unit once power is restored. Ensure the unit is properly connected to a power source. If using the remote controller, replace the batteries. Finally, make sure you are within the remote's operational range (8m).
R
ryanjamesAug 9, 2025
Why is my Gree GMV-335WL/C-X Air Conditioner heating or cooling abnormally?
- J
  Jeremy JamesAug 9, 2025
  Abnormal cooling or heating in your Gree Air Conditioner can stem from several issues. Start by checking the air inlets and outlets of both indoor and outdoor units for any obstructions and clear them if necessary. Verify that the temperature setting is correct using the remote or wired controller. Also, ensure the fan speed isn't set too low and that the wind direction is properly adjusted via the controllers. Check if any doors or windows are open, and close them. If direct sunshine is affecting the unit, use a curtain or louver. Additionally, too many heat resources in the room can cause this problem, so reduce them where possible. Lastly, a blocked or dirty filter can be the culprit, so clean the filter.
A
austinbrownAug 14, 2025
What to do if Gree GMV-335WL/C-X Air Conditioner runs but stops immediately?
- B
  Brandon CampbellAug 14, 2025
  If your Gree Air Conditioner starts but stops immediately, it is likely due to blocked air inlets or outlets on either the indoor or outdoor units. Clear any obstructions to resolve this issue.
P
pauljamesAug 19, 2025
What to do if my Gree GMV-335WL/C-X Air Conditioner has abnormal cooling or heating?
- A
  Andre SolomonAug 19, 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/C-X Specifications

General

Cooling Capacity	33.5 kW
Heating Capacity	37.5 kW
Power Supply	380-415V/3Ph/50Hz
Refrigerant	R410A
Operating Temperature (Cooling)	-5°C to 48°C
Type	VRF
Operating Temperature (Heating)	-20°C to 24°C

Summary

Preface

Correct Disposal of this product

Environmental guidelines for product disposal according to EU regulations.

Safety Precautions

Product Introduction

Names of Main Parts

Identifies key components of the outdoor unit.

Preparation before Installation

Combinations of Indoor and Outdoor Units

Details how many indoor units can connect to an outdoor unit.

Operating Range

Specifies operational temperature limits for cooling and heating.

Standard Parts

Lists essential parts supplied with the outdoor unit for installation.

Installation Site

Piping Work Requirements

Installation Instruction

Dimension of Outdoor Unit and Mounting Hole

Provides outline and installation dimensions for various outdoor unit models.

Connection Pipe

Details the requirements for connecting refrigerant pipes.

Schematic Diagram of Piping Connection

Illustrates the general piping connection layout from ODU to IDUs.

Allowable Length and Height Difference of Connection Pipe

Details the permitted lengths and height differences for connection pipes.

Dimension of Pipe (Main Pipe) from ODU to the 1 st Indoor Branch

Specifies pipe dimensions for the main line from ODU to the first branch.

Selection of Indoor Branches

Guides selection of indoor branches based on total downstream capacity.

Dimension of Pipe between Indoor Branches

Details pipe sizing for connections between indoor branches.

Dimension of Pipe between Indoor Branch and IDU

Specifies pipe dimensions for connections between indoor branches and individual IDUs.

Installation of Connection Pipe

Precautions for the Installation of Connection Pipe

Lists key principles and precautions for connecting pipes.

Flaring Process

Details the steps and precautions for flaring connection pipes.

Pipe Bending

Indoor Pipe Connection

Outdoor Pipe Connection

Installation of Y-type Branch

Thermal Insulation for Pipeline

Support and Protection of Pipeline

Vacuum Pumping, Refrigerant Adding

Vacuum Pumping

Details the process of vacuum pumping for the system.

Refrigerant Adding

Explains how to calculate and add refrigerant to the system.

Electric Wiring

Notices for Wiring

Provides important notices and precautions regarding electrical wiring.

Wiring Diagram

Shows diagrams for power and communication wire connections.

Engineering wiring of power supply and communication cable

Guides the technical wiring of power supply and communication cables.

Check Items after Installation and Test Operation

Check Items after Installation

Lists crucial checks to perform after the installation is complete.

Test operation and debugging

Prepare the test operation and debugging

Lists preparatory steps before conducting test operation and debugging.

Test Operation and Debugging

Describes test procedures and ODU main board displays during debugging.

Common Malfunctions and Troubleshooting

Error Indication

Function Setting of Outdoor Unit

ODU Quiet Function

Allows setting quiet modes for noise-sensitive projects.

Cool & Heat Function

Sets operation modes and prevents conflicts between indoor units.

Forced Defrosting

Enables manual initiation of the defrosting cycle for the outdoor unit.

Restore Factory Defaults

Explains how to reset unit settings to factory defaults.

Static Pressure Function

Allows adjustment of static pressure for heat exchange in specific installation areas.

Maintenance and Care

Outdoor Heat Exchanger

Instructions for cleaning the outdoor heat exchanger.

Drain Pipe

Guidance on checking and ensuring the drain pipe is clear.

Notice before Seasonal Use

Pre-season checks for indoor and outdoor units.

Maintenance after Seasonal Use

Procedures for maintenance after the unit has been used seasonally.

Parts Replacement

Information on how to obtain replacement parts.

After-sales Service

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