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Gree GMV-280WM/H-X

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

Questions and Answers:

Gree GMV-280WM/H-X Specifications

General IconGeneral
Cooling Capacity28.0 kW
Heating Capacity31.5 kW
RefrigerantR410A
Coefficient of Performance (Heating)3.6
Power Supply380-415V/3Ph/50Hz

Summary

Owners Manual

To Users

User Safety and Operational Guidelines

Provides essential safety instructions and guidelines for the proper operation of the air conditioning unit.

Exception Clauses

Manufacturer Liability Limitations

Outlines conditions and reasons for which the manufacturer bears no responsibility for injury or loss.

Safety Notices

General Safety Warnings and Precautions

Covers critical warnings and notices regarding unit operation, installation, and handling to prevent hazards.

Installation and Operational Safety Guidelines

Details safety measures for installation, electrical work, wiring, and operational precautions.

Product Introduction

Product Features and Combinations

Describes the inverter technology, capacity range, and product lineups available.

Names of Main Parts

Identifies and illustrates the key components of the outdoor air conditioning unit.

Product Working Principle

Explains the operating principle of the VRF system in cooling and heating modes.

Product Installation

Installation Safety and Wiring Precautions

Provides safety guidelines for installation, repair, moving, and wiring requirements.

Outdoor Unit Installation

Details dimensions, layout, pipe specifications, and site selection for outdoor units.

Installation Space Requirements

Specifies necessary clearances for ventilation, maintenance, and installation configurations.

Foundation and Shock Absorption Requirements

Covers requirements for concrete foundations and shock absorption for unit stability.

Pipeline Design

Design Guidelines and Pipe Specifications

Outlines principles for pipeline design, including length, bends, and refrigerant pipe specifications.

Allowable Pipe Lengths and Height Differences

Specifies limits for pipe lengths and height differences between units and manifolds.

Pipeline Installation and Insulation

Details procedures for installing refrigerant piping, manifolds, and applying insulation.

Refrigerant Pipe Insulation

Material Selection and Wrapping Procedures

Covers selection of insulation materials and methods for wrapping refrigerant pipes.

Static Pressure Ventilation Pipe Installation

Ventilation Pipe Installation Steps and Preparation

Provides steps and preparation requirements for installing steel plate ventilation pipes.

Vacuum and Drying of Refrigeration System

Air Tightness Test Procedures and Operation

Details the process for conducting air tightness tests and vacuum drying.

Additional Refrigerant Charging

Refrigerant Charging Calculation and Procedures

Explains how to calculate and perform refrigerant charging, including pre-charging and start-up.

Refrigerant Leakage Precautions

Outlines safety precautions related to refrigerant leakage and concentration limits.

Electrical Installation

Installation Notices and Parameters

Covers general notices, wiring rules, grounding, and electrical parameters.

Power Cord Connection Procedures

Details the steps and procedures for connecting the power cord correctly.

External Wiring Diagram

Illustrates the external wiring diagram for the unit's electrical connections.

Communication Line Connection

Cable Selection and Terminal Connection

Guides on selecting communication cables and connecting them to terminals.

Indoor to Controller and Outdoor to Indoor Connections

Shows connection methods between indoor units, controllers, and outdoor units.

Communication Bus and Address Settings

Explains communication bus connection, address settings, and communication ports.

Check Items after Installation

Pre-Operation Installation Checks

Lists essential checks to perform after installation before system operation.

Debugging and Operation

Debugging and Operation Notes and Preparations

Provides notes and preparations required before starting unit debugging and operation.

Notices for Unit Debugging

Details important notices and procedures to follow during unit debugging.

Debugging Process and Stages

Explains the various stages, LED displays, and procedures for engineering debugging.

Parameter Judgment Reference Value for Unit Normal Operation

Normal Operation Parameter Reference Values

Lists reference values for key parameters to ensure normal unit operation.

Operation Instruction

Using the Air Conditioner

Provides instructions on how to operate the air conditioner using controllers.

Maintenance

Routine Maintenance Procedures

Details regular inspection and maintenance tasks for extending unit service life.

Seasonal Usage Precautions and Maintenance

Covers precautions for starting usage and maintenance at the end of the season.

Troubleshooting

Common Malfunctions and Solutions

Lists common issues, their reasons, and recommended measures for resolution.

CoolingHeating Issues and Error Codes

Details abnormal cooling/heating phenomena, non-malfunctions, and error codes.

Error Indication

Unit Error Code Listings

Provides comprehensive lists of error codes for indoor, outdoor, and debugging.

After-sales Service

Warranty Requirements and Service Inquiries

Outlines warranty conditions and how to contact service for quality problems or inquiries.

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