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Gree U-Match 6 Series

Gree U-Match 6 Series
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U-Match 6 SERIES UNIT SERVICE
MANUAL
(GC202204-I)
Capacity: 3.5kW~16.0kW
Rate Frequency: 50/60Hz
Operation Range: -20~52
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Gree U-Match 6 Series Specifications

General IconGeneral
BrandGree
ModelU-Match 6 Series
CategoryAir Conditioner
LanguageEnglish

Summary

Foreword and Safety Information

General Safety Guidelines

Crucial safety notices for handling, installation, and operation of the air conditioner unit.

Product Overview and Specifications

Unit Model Listings

Detailed lists of outdoor (ODU) and indoor (IDU) unit models with product codes.

Electrical Parameters and Requirements

Specifications for power supply, circuit breakers, and wire gauges for safe electrical installation.

Control System and Functionality

Operation Modes and Control Logic

Explains cooling, heating modes, and operational logic for system components.

Specialized and Protection Controls

Details on defrosting, oil return, protection mechanisms, and special operating modes.

Setting and Customization Functions

Covers filter reminders, drying, child lock, memory, and sensor adjustments.

Troubleshooting and Error Handling

Wiring Diagrams and PCB Layouts

Electrical schematics and printed circuit board layouts for unit components.

Error Code Reference and Solutions

List of error codes, their causes, and recommended troubleshooting steps.

Failure Diagnosis Flowcharts

Step-by-step diagnostic guides for common operational failures and errors.

Maintenance and Component Replacement

System Diagram and Vacuum Pumping

Overview of the system's refrigeration circuit and procedure for vacuum pumping.

Refrigerant Charging and Handling

Detailed instructions for charging refrigerant, including safety and procedural steps.

Major Component Removal and Installation

Guides for replacing key components like compressors, valves, fans, and motors.

Appendices: Technical Data

Temperature Sensor Calibration Data

Resistance and voltage values for temperature sensors at various temperatures.

Refrigerant R32 Pressure-Temperature Chart

Table showing pressure-temperature relationships for R32 refrigerant.

Operation Tools and Equipment

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