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Gree GMV-335WM/E-X - User Manual

Gree GMV-335WM/E-X
162 pages
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Owner's Manual
Original Instructions
Commercial Air Conditioners
GMV DC Inverter VRF
Models:
GMV-224WM/E-X
GMV-280WM/E1-X
GMV-280WM/E-X
……
GMV-2460WM/E-X

Table of Contents

Other manuals for Gree GMV-335WM/E-X

Preview: Service Manual
Service Manual308 pages

Questions and Answers

  • T
    Tammy JohnsonJul 25, 2025
    What to do if my Gree GMV-335WM/E-X Air Conditioner has communication failure between indoor and ODUs and IDU's communicator?
    • P
      Paul ParksJul 25, 2025
      If there is a communication failure between the indoor and outdoor units (ODUs) and the indoor unit's (IDU) communicator, check the network between the IDU and communicator. Also, if the communicator is disconnected, check the network between the IDUs and ODUs and between the IDU and communicator. Check if the cables connecting the control board of the ODU and the IDU and connecting the IDU and communicator are loose and reconnect them if needed. Alternatively, the communicator controller may be faulty, requiring replacement of the control board.
  • R
    Rose Brown DDSJul 30, 2025
    What to do if my Gree Air Conditioner has communication failure between main control board and inverter compressor drive?
    • N
      Nancy NelsonJul 30, 2025
      If there is a communication failure between the main control board and the inverter compressor drive, check if the cable connecting the control board and the compressor's drive board is loose and reconnect it if necessary. Also, check if the cable connecting the control board and compressor's drive board is broken and replace it if needed. Check the contact of the communication cable connecting the control board and compressor's drive board. If the communicator is faulty, replace the control board.
  • B
    Breanna ReevesAug 3, 2025
    Why does my Gree GMV-335WM/E-X Air Conditioner show power phase sequence protection?
    • R
      Robert NicholsAug 3, 2025
      Power phase sequence protection can occur if the three-phase power cable is not connected correctly. Check the connection of the power cable. Alternatively, the control board may need to be replaced.
  • J
    James GilesAug 7, 2025
    What to do if my Gree GMV-335WM/E-X has faults in the constant frequency compressor's current sensor?
    • T
      Tom NunezAug 7, 2025
      If there are faults in the constant frequency compressor's current sensor and the compressor is not starting, check if the AC contact is closed. If not, replace the AC contact. If the connection is loose, reconnect it. Also, consider replacing the current detection board or the main board.
  • C
    Chad FranklinAug 11, 2025
    How to fix wrong outdoor capacity code setting on my Gree GMV-335WM/E-X?
    • M
      Michael WigginsAug 11, 2025
      If the outdoor capacity code setting is wrong because the capacity code is incorrect, modify the capacity code setting. Alternatively, the main board may need to be replaced.
  • G
    garyvargasAug 15, 2025
    What to do if my Gree GMV-335WM/E-X Air Conditioner has faults in the ODU's main board?
    • B
      beasleymargaretAug 16, 2025
      If there are faults in the ODU's main board, such as memory and address chip exceptions, replace the small CPU board. You may also need to replace the control board.
  • D
    Deborah WheelerAug 20, 2025
    How to fix wrong emergency operation dial code on Gree GMV-335WM/E-X?
    • P
      Pamela RodriguezAug 20, 2025
      If the emergency operation dial code is wrong because the dial setting is incorrect, modify the dial setting. Alternatively, the main board may need to be replaced.

Summary

Safety Notices and Warnings

General Safety Precautions

Provides essential safety guidelines and warnings for unit operation and installation.

Product Introduction and Specifications

Main Parts Identification

Identifies and labels the key components of the outdoor units.

Outdoor Unit Combinations

Details available combinations of outdoor units based on model series and capacity.

Indoor and Outdoor Unit Compatibility

Specifies the maximum number of indoor units connectable to each outdoor unit model.

Operating Temperature Range

Defines the acceptable ambient temperature ranges for cooling and heating operations.

Preparation Before Installation

Included Standard Parts

Lists and describes the standard parts provided with the outdoor unit package.

Installation Site Requirements

Specifies critical requirements for selecting a safe and suitable installation location.

Single-Module Unit Space Dimensions

Provides necessary clearance dimensions for single-module outdoor unit installations.

Dual-Module Unit Space Dimensions

Provides necessary clearance dimensions for dual-module outdoor unit installations.

Three-Module Unit Space Dimensions

Provides necessary clearance dimensions for three-module outdoor unit installations.

Four-Module Unit Space Dimensions

Provides necessary clearance dimensions for four-module outdoor unit installations.

Multiple-Module Unit Space Dimensions

Details clearance requirements for various configurations of multiple outdoor module units.

Seasonal Wind Installation Considerations

Guidance on installing outdoor units to mitigate effects of seasonal wind.

Snowfall Installation Considerations

Recommendations for installing outdoor units to prevent snow accumulation issues.

Piping Work Requirements

Specifies requirements for piping diameter and wall thickness for refrigerant systems.

Installation Instructions and Procedures

Outdoor Unit Dimensions and Mounting Holes

Provides physical dimensions and details for mounting hole placement for outdoor units.

Piping Connection Diagrams

Illustrates schematic diagrams for connecting refrigerant piping between units.

Piping Sequence Diagrams

Shows specific piping connection sequences for different outdoor unit models.

Pipe Length and Height Difference Limits

Specifies maximum allowable pipe lengths and height differences for system connections.

Refrigerant Pipe Sizing

Details gas and liquid pipe sizes required for various outdoor unit models and capacities.

Outdoor Module Interconnection Piping

Illustrates piping connections between multiple outdoor modules.

ODU to First Manifold Piping

Provides guidance on fitting pipe connections from outdoor units to the initial manifold.

Inter-Manifold Piping

Specifies pipe sizes for connections between manifolds based on total upstream capacity.

First Indoor Manifold to Outdoor Piping

Details piping for the connection between the first indoor manifold and the outdoor unit.

Indoor Unit Manifold Selection

Guidance on selecting indoor unit manifolds based on downstream indoor unit capacity.

Manifold to Manifold Piping

Specifies pipe sizes for connections between manifolds at the indoor unit side.

Indoor Unit to Manifold Piping

Details pipe sizing for connections between indoor units and their respective manifolds.

Connection Pipe Installation Precautions

Provides crucial precautions and principles for installing refrigerant connection pipes.

Manifold Installation Guidelines

Instructions for installing Y-type and T-type manifolds, including orientation and fixing.

Pipeline Support and Protection

Guidelines for supporting and protecting refrigerant pipelines against damage.

Air Purging and Refrigerant Charging

Procedures for air purging and calculating/adding refrigerant charge.

Refrigerant Leakage Precautions

Safety measures and considerations regarding refrigerant leakage.

Electrical Wiring Guidelines

Covers wiring precautions, power cord specifications, and circuit breaker requirements.

Power Cord Wiring

Details on connecting power cords and associated circuit protection.

Power Cord Connection

Instructions for connecting the power cord, including grounding and wire management.

System Communication Setup

Overview of the communication system components and configurations.

Communication System Components

Lists the various communication paths within the VRF system.

Communication Wiring Selection and Connection

Guidance on selecting and connecting communication wires for IDUs and controllers.

Communication Connection Modes

Explains series connection methods for communication wiring between units.

System Communication Connection Steps

Details the connection methods for IDU to ODU and IDU to wired controllers.

IDU and ODU Communication Connection

Illustrates how to connect indoor and outdoor units for system communication.

IDU to Wired Controller Communication

Shows different configurations for connecting wired controllers to indoor units.

Duct Type IDU to Light Board Receiver

Describes how to connect duct type indoor units to light board receivers.

Central Controlling Unit Connections

Illustrates connections for central control systems with multiple VRF modules.

External Electrical Wiring Diagrams

Provides wiring diagrams for single unit and modular VRF system configurations.

Single Unit External Wiring

Detailed wiring diagram for a single outdoor unit and its connected indoor units.

Modular Connection Wiring

Wiring diagram illustrating connections for modular outdoor and indoor unit configurations.

Installation Verification and Testing

Post-Installation Checks

A checklist of essential items to verify after completing the installation.

Trial Run Procedures

Detailed steps and notices for conducting the initial trial run of the system.

Trial Run Steps

Step-by-step guide for performing the system's trial run and debugging.

Debugging Operation Modes

Explains the different modes for system debugging and operation.

Troubleshooting and Error Codes

Common Malfunctions and Troubleshooting

Lists common operational issues and their corresponding solutions.

Error Code Reference

Provides a comprehensive list of error codes for indoor units and their meanings.

Outdoor Unit Error Codes

Lists error codes specific to outdoor units and their associated causes.

Debugging Error Codes

Details error codes related to the system's debugging process.

Maintenance and Care

Outdoor Heat Exchanger Maintenance

Instructions for cleaning the outdoor unit's heat exchanger to ensure efficiency.

Drain Pipe Inspection

Guidance on regularly checking the drain pipe for blockages.

Pre-Season Usage Checks

Essential checks to perform before seasonal operation of the unit.

Post-Seasonal Use Maintenance

Tasks to perform after a period of seasonal use to maintain the unit.

Parts Replacement

Information on how to obtain replacement parts from authorized sources.

After-Sales Service and Warranty

After-Sales Service and Warranty

Details on contacting service, warranty requirements, and exclusions.

Gree GMV-335WM/E-X Specifications

General IconGeneral
BrandGree
ModelGMV-335WM/E-X
CategoryAir Conditioner
LanguageEnglish

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