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Gree GUD85W/NhA-T User Manual

Gree GUD85W/NhA-T
224 pages
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1
U-Match 5 SERIES UNIT SERVICE
MANUAL
(GC202011-VII)
Capacity: 3.5kW~16.0kW
Rate Frequency: 50/60Hz
Operation Range: -20~48

Table of Contents

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Gree GUD85W/NhA-T Specifications

General IconGeneral
BrandGree
ModelGUD85W/NhA-T
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Information

Safety Notice on Maintenance

Provides essential safety precautions and prohibitions for maintaining the air conditioner unit.

Safety Notice on Operation

Outlines critical safety guidelines for the proper and safe operation of the air conditioner.

Product Introduction and Specifications

Unit Model Lists and Electrical Parameters

Details the various indoor/outdoor unit models, their specifications, and electrical requirements.

Control System Overview

Explains operation modes, control modes, functions, protections, and special controls.

Troubleshooting and Diagnostics

Wiring Diagrams and PCB Layout

Provides detailed wiring diagrams for ODUs and IDUs, and PCB interface information.

Error Codes and Troubleshooting Steps

Lists all error codes and offers systematic troubleshooting guides for common faults.

Maintenance Procedures

System Diagram and Refrigerant Handling

Illustrates the system diagram and covers vacuum pumping and refrigerant charging procedures.

Major Component Maintenance

Details the procedures for replacing major components like wired controllers and compressors.

Component Disassembly and Assembly

Outdoor Unit (ODU) Component Removal

Details the procedures for disassembling major components of the outdoor unit.

Indoor Unit (IDU) Component Removal

Explains the disassembly steps for major components of indoor units by type.

Parts Identification

ODU Exploded Views and Parts Lists

Provides exploded views and comprehensive parts lists for various outdoor unit models.

IDU Exploded Views and Parts Lists

Offers exploded views and detailed parts lists for different indoor unit types.

Technical Appendices

Temperature Sensor Data Lists

Lists resistance and voltage data for temperature sensors across various temperature ranges.

Refrigerant Pressure and Temperature Data

Provides refrigerant pressure/temperature correlation and installation guidelines for R32.

Operation Tools and Installation Area Requirements

Lists necessary operation tools and minimum construction area requirements for installation.

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