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Gree GUHN48NM3A1O - User Manual

Gree GUHN48NM3A1O
209 pages
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U-MATCH AIR CONDITIONERS
SERVICE MANUAL
T1/R410A/50Hz
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Table of Contents

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Gree GUHN48NM3A1O Specifications

General IconGeneral
Refrigerant TypeR410A
Power Supply220-240V/50Hz
Compressor TypeRotary
Phase1
Cooling Capacity48000 BTU
Heating Capacity48000 BTU
Indoor Unit Dimensions (WxHxD)49.6 x 13.8 x 9.8 inches
Outdoor Unit Dimensions (WxHxD)950x700x410 mm
Indoor Unit Dimensions (HxWxD)320x1120x620 mm
Outdoor Unit Dimensions (HxWxD)700x950x410 mm

Summary

Product Overview and Specifications

Models List: Outdoor and Indoor Units

Lists outdoor and indoor unit models with their specifications.

Model Nomenclature

Explains the coding system for model names of outdoor and indoor units.

Unit Functions and Features

Describes the various functions and features of the air conditioning system.

Detailed Product Specifications

Provides detailed technical specifications for different unit types and models.

Control System Operation

Operation Flowcharts

Illustrates the operational logic for cooling/dry and heating modes.

Main Control Logic

Explains the control logic for cooling, dry, heating, defrosting, and fan modes.

Wireless Remote Controller

Details the operation and display of the wireless remote controller.

Wired Remote Controller

Details the operation, display, dimensions, and installation of wired controllers.

Centralized Controller Systems

Covers the functionality, operation, display, and wiring of centralized controllers.

Installation Guides

Indoor Unit Installation

Covers the installation procedures for various indoor unit types.

Outdoor Unit Installation

Covers the installation procedures for the outdoor unit.

Refrigeration Piping Work

Details procedures for connecting refrigeration piping, vacuuming, and leak detection.

Electric Wiring Work

Covers wiring principles, general guidelines, connection of wires, power cable, signal line, and wiring designs.

Maintenance and Troubleshooting

Trouble Table

Lists trouble codes, names, origins, and control descriptions for malfunctions.

Troubleshooting Flowcharts

Detailed flowcharts for diagnosing and resolving common error codes.

Wiring Diagrams

Illustrates the electrical wiring connections for outdoor and indoor units.

Disassembly and Assembly Procedures

Step-by-step guides for disassembling and assembling major unit components.

Exploded Views and Part Lists

Provides exploded views and part lists for various outdoor and indoor unit models.

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