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Gree GWH(12)MB-K3DNA3B User Manual

Gree GWH(12)MB-K3DNA3B
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-K3DNA3B Specifications

General IconGeneral
TypeSplit Type
Cooling Capacity12000 BTU/h
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Power Supply220-240V/50Hz/1Ph
RefrigerantR410A
Outdoor Noise Level52 dB(A)
Heating Capacity13000 BTU/h

Summary

Summary and Features

Safety Precautions

General Safety Precautions

Essential warnings and cautions for safe operation and installation.

Specifications

Unit Specifications

Detailed technical parameters and dimensions for various unit models.

Noise Criteria Curve Tables

Graphical representation of noise levels at different fan speeds.

Construction Views

Unit Dimensions and Views

Diagrams and a table illustrating the physical dimensions and layout.

Refrigerant System Diagram

Cooling & Heating Models Diagram

Schematic showing the refrigerant flow and components for cooling and heating.

Schematic Diagram

Electrical Data and Symbols

Key for understanding electrical symbols and color codes used in wiring.

Electrical Wiring Diagrams

Diagrams illustrating the electrical connections for the units.

Printed Circuit Board Layouts

Top and bottom views of the PCB with component identification.

Function and Control

Remote Control Operations Overview

Guide to the functions and buttons of the remote controller.

Control Operation Details

Detailed explanation of each operation mode and function.

Installation Manual

Installation Notices and Warnings

Important guidelines and safety precautions before starting installation.

Installation Site and Drawing

Recommended locations and clearances for unit installation.

Indoor Unit Installation Steps

Step-by-step instructions for mounting the indoor unit and connecting pipes.

Post-Installation Checks and Tests

Procedures for verifying correct installation and initial operation.

Healthy Filter Installation and Maintenance

Instructions for installing and maintaining the healthy filter.

Exploded Views and Parts List

Indoor Unit Parts Identification

Visual breakdown of the indoor unit with numbered parts and descriptions.

Troubleshooting

Indoor Unit Malfunction Displays

Explains how malfunctions are displayed and lists common error codes.

Main Part Troubleshooting Flowcharts

Step-by-step guides for diagnosing and resolving specific malfunctions.

Removal Procedure

Filter and Louver Removal

Steps for removing the air filter and horizontal louver.

Front Panel and Electric Box Removal

Instructions for removing the front panel and electric box covers.

Front Case Removal

Steps to detach and remove the front case of the unit.

Vertical Louver and Electric Box Removal

Procedures for removing vertical louvers and the main electric box.

Pipe Clamp and Evaporator Removal

Steps for removing pipe clamps and the evaporator assembly.

Cross Flow Blade and Motor Removal

Instructions for removing the cross flow fan blade and motor assembly.

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