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Gree GWH18AAD-K6DNA1B/I - User Manual

Gree GWH18AAD-K6DNA1B/I
118 pages
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Service Manual
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GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Models: GWH18AAD-K6DNA5A
GWH18AAD-K6DNA4A
GWH18AAD-K6DNA1B
GWH18AAD-K6DNA1A
GWH18AAD-K6DNA5B
GWH18AAD-K6DNA4B
GWH24AAD-K6DNA1A
GWH24AAD-K6DNA5A
GWH24AAE-K6DNA4C
(Refrigerant R32)
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Gree GWH18AAD-K6DNA1B/I Specifications

General IconGeneral
Energy Efficiency Ratio (EER)3.21
Seasonal Energy Efficiency Ratio (SEER)6.1
Power Supply220-240V, 50Hz
RefrigerantR32
Indoor Unit Dimensions (W x H x D)970 x 300 x 224 mm
Outdoor Unit Dimensions (W x H x D)899 x 596 x 378 mm
Energy Efficiency Ratio (Cooling)3.21
Air Flow Volume850 m³/h
TypeSplit
Cooling Capacity18000 BTU
Heating Capacity19000 BTU/h
Indoor Unit Weight12.5 kg
Weight (Outdoor Unit)35 kg
Outdoor Unit Weight35 kg
Power Input (Heating)1.43 kW
Noise Level (Outdoor)50 dB
Operating Temperature Range (Cooling)18°C to 43°C
Operating Temperature Range (Heating)-15°C to 24°C

Summary

Part I: Technical Information

Summary of Air Conditioner Models

Overview of the indoor and outdoor units covered in the service manual, with illustrations.

Air Conditioner Specifications Sheet

Detailed technical specifications for various models, including electrical, performance, and physical data.

Indoor and Outdoor Unit Dimension Diagrams

Diagrams showing the physical dimensions of indoor and outdoor units with measurements.

Refrigerant System Flow Diagrams

Schematic diagrams illustrating the refrigerant flow for cooling and heating models.

Electrical Wiring Diagrams and PCB Layouts

Wiring diagrams for indoor and outdoor units and PCB printed diagrams for component identification.

Air Conditioner Modes and Control Functions

Explanation of remote controller buttons, app integration, and basic operational modes and functions.

Part II: Installation and Maintenance

Important Safety Precautions for Installation

Critical safety warnings and precautions covering electrical, refrigerant, and general installation procedures.

Air Conditioner Installation Steps and Requirements

Detailed steps for installing indoor and outdoor units, including dimension diagrams and parts check.

Maintenance Procedures and Malfunction Diagnosis

Guidance on indoor unit malfunction display, troubleshooting steps for common issues, and maintenance methods.

Exploded Views and Component Parts Lists

Illustrated exploded views of indoor and outdoor units with comprehensive parts lists and part codes.

Indoor and Outdoor Unit Component Removal Steps

Step-by-step instructions for safely removing components from indoor and outdoor units.

Appendix

Temperature Conversion Chart

Reference table for converting between Celsius and Fahrenheit for set and ambient temperatures.

Connection Pipe Specifications and Requirements

Guidelines on connection pipe diameter, length, and refrigerant charging amounts for different models.

Proper Pipe Expanding Technique

Detailed steps and notes for expanding refrigerant pipes to ensure proper sealing and prevent leakage.

Temperature Sensor Resistance Tables

Tables listing resistance values for indoor and outdoor temperature sensors at various temperatures.

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