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Gree GVA24AL-K3NNC7A/I User Manual

Gree GVA24AL-K3NNC7A/I
95 pages
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Service Manual
Models:
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
GVA24AL-K3NNC7A
GVA48AL-M3NNC7A
GVA55AL-M3NNC7A
(Refrigerant:R410A)
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Gree GVA24AL-K3NNC7A/I Specifications

General IconGeneral
Cooling Capacity24000 BTU/h
Heating Capacity24000 BTU/h
RefrigerantR410A
Energy Efficiency Ratio (EER)3.21
Power Supply220-240V/50Hz/1Ph
Noise Level (Indoor Unit)45 dB(A)
Noise Level (Outdoor Unit)55 dB(A)
TypeSplit System
Operating Temperature (Cooling)18°C to 43°C
Air Flow (Indoor Unit)12 m³/min

Summary

Technical Specifications and Data

Product Summary

Lists indoor, outdoor units, and remote controller models.

Detailed Specifications

Comprehensive technical specs for GVA24AL, GVA48AL, GVA55AL models.

Operation Characteristic Curves

Graphical performance data vs. outdoor temperature for cooling and heating.

Noise Level Data

Charts showing indoor noise levels at various fan speeds for different models.

Dimensional Drawings and Diagrams

Indoor Unit Dimensions

Visual representation and measurements for the indoor unit.

Outdoor Unit Dimensions

Visual representation and measurements for the outdoor units (24K, 48/55K).

Refrigerant System Diagram

Electrical System Schematics

Wiring Diagrams and Symbols

Wiring schematics and symbol explanations for indoor and outdoor units.

PCB Layouts

Shows top and bottom views of printed circuit boards with component labels.

Unit Operation and Controls

Indoor Unit Controls

Explains buttons on the unit and their corresponding display icons.

Remote Control Functionality

Details remote controller buttons, icons, and operational notes.

Mode Operation Explanations

Explains operation conditions for Auto, Cooling, Drying, Heating, and Fan modes.

Installation and Maintenance Procedures

Safety Precautions

Essential safety guidelines for installation, relocation, and unit maintenance.

Installation Procedures

Outlines general steps for unit installation, including dimension requirements.

Pre-Installation Checks

Parts checklist, location selection, and electrical connection requirements.

Vacuuming and Leak Detection

Procedure for evacuating the system and checking for refrigerant leaks.

Post-Installation Testing

Checklist for verifying installation and performing initial operation tests.

Maintenance, Troubleshooting, and Error Codes

Error Code Reference

List of error codes, their meanings, causes, and solutions.

Troubleshooting Flowcharts

Diagnostic guides for common malfunctions and protection modes.

Common Malfunction Solutions

Solutions for typical operational issues like starting problems, cooling/heating failures, and sounds.

Exploded Views and Parts Lists

Indoor Unit Parts List

Exploded views and part numbers for the indoor unit.

Outdoor Unit Parts List

Exploded views and part numbers for the outdoor units.

Component Removal Procedures

Indoor Unit Disassembly

Detailed steps for safely removing components from the indoor unit.

Outdoor Unit Disassembly

Detailed steps for safely removing components from the outdoor unit.

Appendices and Reference Data

Temperature Conversion Table

Reference for converting between Celsius and Fahrenheit temperatures.

Connection Pipe Guidelines

Information on pipe lengths, refrigerant oil, and charging amounts.

Pipe Expanding Technique

Proper procedures for expanding refrigerant pipes to ensure leak prevention.

Temperature Sensor Resistance Values

Lists resistance values for temperature sensors at various temperatures.

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