GREE GWH12QB K6DNB8I Service Manual PDF

Description

GREE GWH12QB K6DNB8I Service Manual  Air Conditioner Split System TM-R32 – PDF DOWNLOAD

DESCRIPTION

This is the official GREE Electric Appliances, Inc. of Zhuhai Service Manual (Document Title: TM-R32 LOMO (LCLH)-9K,12K.pdf, Author: 290879, Created September 7, 2017). This comprehensive 151-page technical manual is intended for qualified HVAC/R service technicians and provides complete maintenance, troubleshooting, installation, repair, and removal procedures for GREE wall-mounted split air conditioning systems used in residential, commercial, and light industrial applications worldwide.

Product Overview

GREE GWH12QB Wall-Mounted Split Air Conditioner:

The GREE GWH series represents advanced wall-mounted split air conditioning systems designed for efficient climate control. These sophisticated units combine inverter technology, R-32 refrigerant, precision electronic control, energy-efficient operation, and reliable cooling/heating performance to deliver comfort and environmental control for residential and commercial spaces.

Key Applications:

• Residential air conditioning
• Commercial office climate control
• Retail store cooling/heating
• Restaurant climate systems
• Hotel room air conditioning
• Apartment cooling/heating
• Light commercial applications
• Multi-room installations
• Energy-efficient HVAC
• Year-round climate control

Models Covered – Indoor Units

The manual covers extensive model variants with different configurations:

GWH09QB Series:

• GWH09QB-K6DNA1C
• GWH12QB-K6DNA1C
• GWH09QB-K6DNA3C
• GWH12QB-K6DNA3C
• GWH09QB-K6DNA4C
• GWH12QB-K6DNA4C
• And many more variants

Capacity Range:

• 9K BTU models (LCLH-9K)
• 12K BTU models (LCLH-12K)

Configuration Variants:

• Different region codes
• Various electrical specifications
• Multiple control options
• Different feature sets

Models Covered – Outdoor Units

Outdoor Unit Variants:

• GWH09QB-K6DNA1D
• GWH12QB-K6DNA1D
• GWH18KD-K6DNA1D
• Multiple configuration options

Remote Controller

Remote Controller Models:

• YAN1F1
• YAN1F6/YAP1F5
• Wireless control
• Full function access

Key Technical Systems

Refrigerant System:

• R-32 refrigerant (TM-R32)
• Split system configuration
• Indoor evaporator coil
• Outdoor condenser coil
• Compressor unit
• Expansion device
• Refrigerant piping

Electrical System:

• Indoor unit PCB
• Outdoor unit PCB
• Power supply circuits
• Control circuits
• Sensor circuits
• Motor control
• Communication between units

Control System:

• Microprocessor control
• Inverter technology
• Temperature sensing
• Remote control receiver
• Mode selection
• Fan speed control
• Automatic operation

Indoor Unit Components:

• Evaporator coil
• Indoor fan motor
• Drain pan
• Air filters
• Front panel
• Control display
• Temperature sensors

Outdoor Unit Components:

• Compressor
• Condenser coil
• Outdoor fan motor
• Accumulator
• Service valves
• Control board
• Electrical box

Comprehensive Manual Contents

DOCUMENT INFORMATION:

• Title: TM-R32 LOMO (LCLH)-9K,12K.pdf
• Author: 290879
• Manufacturer: GREE Electric Appliances, Inc. of Zhuhai
• Creation Date: September 7, 2017
• Modified Date: September 7, 2017
• Creator: Adobe InDesign CS6 (Windows)
• Producer: Acrobat Distiller 9.0.0 (Windows)
• Pages: 151 pages
• Format: A4 (595.22 x 842 pts)
• PDF Version: 1.5
• File Size: 28.3 MB
• Tagline: “Change for Life”

COMPLETE TABLE OF CONTENTS

PART I: TECHNICAL INFORMATION (Pages 1-49)

1. Summary (Pages 1-2):

• Indoor unit model listing
• Outdoor unit model listing
• Remote controller models
• System configurations

2. Specification Sheet (Pages 4-18):

2.1 Indoor Unit Specification:

• Cooling/heating capacity
• Power consumption
• Current ratings
• Voltage requirements
• Dimensions
• Weight specifications

2.2 Outdoor Unit Specification:

• Compressor specifications
• Refrigerant charge
• Connection pipe sizes
• Electrical ratings
• Operating ranges

2.3 Safety Precaution:

• Installation safety
• Service safety
• Electrical safety
• Refrigerant handling

2.4 Prohibited Actions During Service:

• Safety violations
• Equipment damage risks

2.5 Usage Range:

• Operating temperature limits
• Environmental conditions

3. Outline Dimension Diagram (Pages 19-21):

3.1 Indoor Unit:

• Dimensional drawings
• Mounting dimensions
• Installation clearances

3.2 Outdoor Unit:

• Dimensional drawings
• Mounting dimensions
• Service clearances

4. Refrigerant System Diagram (Page 22):

• Complete refrigerant circuit
• Component identification
• Flow directions
• Pressure points

5. Electrical Part (Pages 23-34):

5.1 Wiring Diagram:

• Indoor unit wiring
• Outdoor unit wiring
• Interconnection wiring
• Power distribution

5.2 PCB Control Diagram:

• Circuit board layout
• Component locations
• Connection points
• Signal paths

6. Function and Control (Pages 35-49):

6.1 Indoor Controller Functions:

• Mode selection
• Temperature control
• Fan speed control
• Timer functions
• Special features

6.2 GREE Cloud Operation Manual:

• Smart control features
• Wi-Fi connectivity
• Mobile app operation

6.3 Cycle Cloud Operation Manual:

• Advanced control features
• Remote monitoring

6.4 Principle of Models and Coding:

• Model number decoding
• Configuration identification
• Regional variants

PART II: INSTALLATION AND MAINTENANCE (Pages 50-146)

7. Notes for Installation and Maintenance (Pages 50-53):

• Safety precautions
• Tool requirements
• Environmental considerations
• Professional installation requirements

8. Installation (Pages 54-70):

8.1 Installation Dimension Diagram:

• Wall mounting template
• Clearance requirements
• Piping routes

8.2 Installation Procedure Check:

• Pre-installation checklist
• Site evaluation
• Preparation steps

8.3 Selection of Installation Location:

• Indoor unit placement
• Outdoor unit placement
• Optimal positioning

8.4 Requirements for Electric Connection:

• Power supply specifications
• Wiring requirements
• Grounding requirements

8.5 Installation of Indoor Unit:

• Wall bracket mounting
• Unit hanging procedures
• Leveling requirements

8.6 Installation of Outdoor Unit:

• Base mounting
• Bracket installation
• Anti-vibration measures

8.7 Vacuum Pumping and Leak Detection:

• Evacuation procedures
• Leak testing methods
• Pressure testing

8.8 Check After Installation and Test Operation:

• System startup
• Performance verification
• Final checks

8.9 Wired Controller:

• Optional controller installation
• Wiring procedures

9. Maintenance (Pages 71-95):

9.1 Error Code List:

• Complete diagnostic codes
• Error descriptions
• Troubleshooting guidance

9.2 Procedure of Troubleshooting:

• Systematic diagnosis
• Component testing
• Circuit verification
• Refrigerant system checks

9.3 Troubleshooting for Normal Malfunction:

• Common problems
• Simple solutions
• User-resolvable issues

10. Exploded View and Parts List (Pages 96-117):

10.1 Indoor Unit:

• Complete exploded view diagrams
• Part numbers
• Component descriptions
• Assembly relationships

10.2 Outdoor Unit:

• Complete exploded view diagrams
• Part numbers
• Component descriptions
• Assembly relationships

11. Removal Procedure (Pages 118-142):

11.1 Removal Procedure of Indoor Unit:

• Disassembly sequence
• Component removal steps
• Special tool requirements
• Reassembly notes

11.2 Removal Procedure of Outdoor Unit:

• Disassembly sequence
• Component removal steps
• Refrigerant recovery
• Reassembly procedures

APPENDIX (Pages 143-151)

Appendix 1: Reference Sheet of Celsius and Fahrenheit:

• Temperature conversion chart

Appendix 2: Configuration of Connection Cable:

• Cable specifications
• Wiring color codes
• Connection methods

Appendix 3: Cable Expanding Method:

• Piping preparation
• Flare connections
• Brazing procedures

Appendix 4: List of Resistance for Temperature Sensor:

• Thermistor specifications
• Resistance/temperature chart
• Testing procedures

Who Needs This Manual?

This GREE air conditioner service manual is essential for:

• HVAC/R service technicians
• Air conditioning installation specialists
• Refrigeration service engineers
• Building maintenance technicians
• GREE authorized service centers
• Climate control system installers
• Anyone performing authorized service on GREE units

Prerequisites:

✓ HVAC/R technician certification
✓ Refrigerant handling certification
✓ Split air conditioning system experience
✓ Electrical troubleshooting skills
✓ R-32 refrigerant handling knowledge
✓ Proper tools and equipment
✓ Safety training for electrical and refrigerant work
✓ Understanding of inverter technology

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