Gree GMV-60WL/C-T

Owner's Manual
Original Instructions
Commercial Air Conditioners
DC Inverter Multi VRF System
Applicable Models:
GMV-60WL/C-T(U)
GMV-48WL/C-T(U)
GMV-36WL/C-T(U)

Gree GMV-60WL/C-T Specifications

General

Brand	Gree
Model	GMV-60WL/C-T
Category	Air Conditioner
Language	English

Summary

Preface and Important Notices

General Safety Warnings and User Notices

Crucial safety precautions, prohibitions, and disposal guidelines for user awareness.

Warranty Exclusion Clauses

Defines conditions under which the manufacturer is not liable for product issues or damages.

Safety Notices and Hazard Definitions

Hazard Symbol Definitions

Explains the meaning of DANGER, WARNING, CAUTION, and NOTICE symbols used throughout the manual.

Critical Installation and Operation Safety

Details essential safety instructions for installation and operation to prevent hazards.

Product Introduction and Components

System Overview and Key Parts

Provides an overview of the DC Inverter Multi VRF System and identifies major components of the outdoor unit.

Installation Preparation and Specifications

Unit Combinations, Operating Range, and Parts

Covers allowable indoor/outdoor unit combinations, operating conditions, and standard parts included.

Installation and Piping Requirements

Piping Work Standards and Unit Dimensions

Specifies requirements for refrigerant piping and provides dimensions for the outdoor unit and mounting holes.

Pipe Sizing and Length Limits

Pipe Dimensions, Lengths, and Branch Selection

Details pipe dimensions, allowable lengths, height differences, and selection criteria for indoor branches.

Pipe Sizing for Indoor Connections

Pipe Dimensions Between Branches and to IDUs

Specifies pipe dimensions for connections between indoor branches and from branches to individual indoor units.

Connection Pipe Installation

Installing Connection Pipes

Covers the general procedures and precautions for installing refrigerant connection pipes.

Connection Pipe Handling Techniques

Flaring and Pipe Bending Procedures

Outlines correct techniques for flaring pipe ends and bending pipes to prevent damage during installation.

Indoor Pipe Connection

Connecting Indoor Unit Piping

Details the steps for securely connecting pipes to indoor units using flared nuts and torque wrenches.

Outdoor and Branch Piping

Outdoor Unit and Y-Type Branch Connections

Explains how to connect pipes to the outdoor unit and install Y-type branches for distributing refrigerant.

Pipeline Thermal Insulation

Insulating Refrigerant Pipelines

Specifies materials and methods for insulating refrigerant pipes to prevent condensation and maintain efficiency.

Pipeline Support and Compressor Feet

Supporting Pipelines and Removing Compressor Feet

Covers requirements for supporting pipes and the procedure for removing compressor feet fitted for transport.

Vacuum Pumping and Refrigerant Charging

System Vacuuming and Initial Refrigerant Charge

Details the process of vacuum pumping the system and the initial refrigerant quantity provided.

Refrigerant Quantity Calculation

Calculating Additional Refrigerant

Explains how to calculate the required additional refrigerant based on pipe length, size, and number of indoor units.

Electrical Wiring Guide

Connecting Wires to Terminal Blocks

Provides instructions on how to properly connect solid and strand wires to terminal boards for electrical systems.

Wiring Diagrams and Safety

Power and Communication Wiring Connections

Illustrates wiring diagrams for power and communication cables and emphasizes safety during connection.

Electrical Component Selection

Air Switch and Power Cord Specifications

Guides the selection of appropriate circuit breakers and power cords based on unit specifications and operating conditions.

Post-Installation Checks and Test Operation

Installation Verification Checklist

Lists critical checks to perform after installation to ensure the unit is installed correctly and safely.

Test Operation Preparation

Outlines the necessary steps and checks before initiating test operation and system debugging.

Test Operation and Debugging Procedures

Debugging Stages and Status Indicators

Details the sequence of debugging stages, their codes, display statuses, and operational meanings.

Operation Parameter Reference

ODU System Parameter Normal Values

Provides reference values for key outdoor unit system parameters during normal operation for diagnostics.

IDU Operation Parameter Reference

IDU System Parameter Normal Values

Lists reference values for indoor unit system parameters, including temperatures and EXV openings.

Common Malfunctions and Troubleshooting

Troubleshooting Common Operational Issues

Offers solutions and guidance for common problems like unit failure, poor cooling/heating, and abnormal noises.

Error Indication and Codes

Indoor Unit Error Code Reference

Lists and explains error codes specific to indoor unit malfunctions, aiding in diagnosis.

Outdoor Unit Error Codes

Outdoor Unit Malfunction Code Reference

Provides a comprehensive list of error codes for outdoor unit malfunctions and their meanings for troubleshooting.

Maintenance and Seasonal Preparation

Routine Maintenance and Pre-Season Checks

Covers essential maintenance tasks like cleaning heat exchangers and performing pre-season operational checks.

Parts Replacement and After-Sales Support

Obtaining Parts and Warranty Information

Details procedures for acquiring replacement parts and outlines the conditions for maintaining product warranty.