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Gree GWH(12)MB-K3DNA2B - User Manual

Gree GWH(12)MB-K3DNA2B
57 pages
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MODELS: GWH(09)MA-K3DNA2B/I
GWH(12)MB-K3DNA2B/I
GWH(18)MC-K3DNA2B/I
GWH(07)MA-K3DNA3B/I
GWH(09)MA-K3DNA3B/I
GWH(12)MB-K3DNA3B/I
GWH(18)MC-K3DNA3B/I
GWH(09)MA-K3DNB8B/I
GWH(12)MB-K3DNB8B/I
GWH(07)MA-K3DNC5B/I
GWH(09)MA-K3DNC5B/I
GWH(12)MB-K3DNC5B/I
GWH(18)MC-K3DNC5B/I
GWH(07)MA-K3DNB8B/I(Cold plasma)
GWH(09)MA-K3DNB8B/I(Cold plasma)
GWH(12)MB-K3DNB8B/I(Cold plasma)
GWH(18)MC-K3DNB8B/I(Cold plasma)
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Service Manual
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Gree GWH(12)MB-K3DNA2B Specifications

General IconGeneral
TypeSplit
Energy Efficiency Ratio (EER)3.21
Seasonal Energy Efficiency Ratio (SEER)6.1
Coefficient of Performance (COP)3.61
Power Supply220-240V, 50Hz
RefrigerantR410A
Compressor TypeRotary
Indoor Unit Weight9 kg
Outdoor Unit Weight30 kg
Operating Temperature (Cooling)18-43 °C
Operating Temperature (Heating)-7-24°C
Power Consumption (Heating)1.05 kW
Air Flow (Indoor)550 m3/h
Cooling Capacity12000 BTU/h
Heating Capacity13000 BTU/h

Summary

Safety Precautions

Warning

Electrical safety during installation and service.

Caution

Environmental and handling precautions for unit installation.

Specifications

Unit Specifications

Detailed technical data for various models.

Noise Criteria Curve Tables

Graphical representation of noise levels at different fan speeds.

Schematic Diagram

Electrical Data and Wiring

Symbols, color codes, and wiring diagrams for units.

Printed Circuit Board Overview

Diagrams of the indoor unit's PCB (Top & Bottom views).

Function and Control

Remote Control Operations

Explanation of all remote control buttons and their functions.

Control Operation Descriptions

Explains basic operation modes and functions like Cool, Dry, Heat.

Other Control Features

Details on buzzer, auto button, auto fan, sleep, and timer functions.

Installation Manual

Notices for Installation

General cautions and guidelines before installation.

Earthing Requirements and Drawing

Proper grounding, installation clearances, and diagrams.

Indoor Unit Installation Steps

Mounting plate, piping, wiring, and drain hose installation.

Connection Pipe and Operation Test

Pipe connection, leak test, and final operation checks.

Healthy Filter Installation and Maintenance

Procedures for installing and maintaining the healthy filter.

Exploded Views and Parts List

Troubleshooting

Malfunction Display of Indoor Unit

Codes and indicators for indoor unit errors.

How to Check Simply the Main Part

Diagnostic flowcharts for common malfunctions.

Removal Procedure

Filter and Louver Removal

Steps to remove the air filter and horizontal louver.

Panel and Electric Box Cover Removal

Steps to detach front panel and electric box cover.

Front Case Removal

Steps to remove the front case.

Vertical Louver and Electric Box Removal

Steps to remove vertical louver and electric box.

Pipe Clamp and Evaporator Removal

Steps to remove pipe clamps and the evaporator.

Motor and Fan Component Removal

Steps to remove the motor, cross flow blade, and related parts.

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