Gree GWH18QD-K3DNB4G Manuals

Manuals and User Guides for Gree GWH18QD-K3DNB4G. We have 2 Gree GWH18QD-K3DNB4G manuals available for free PDF download: Service Manual

Gree GWH18QD-K3DNB4G Service Manual (110 pages)

Brand: Gree | Category: Air Conditioner | Size: 39.29 MB

Table of Contents
2
Part Ⅰ : Technical Information

4
1 Summary

4
- Indoor Unit
  4
3 Outline Dimension Diagram

16
- Indoor Unit
  16
- Outdoor Unit
  17
4 Refrigerant System Diagram

18
5 Electrical Part

19
- Wiring Diagram
  19
- PCB Printed Diagram
  23
6 Function and Control

26
- Remote Controller Introduction
  26
- Brief Description of Modes and Functions
  30
  - Basic Function of System
    30
  - Other Control
    30
  - I Feel Control Mode
    31
  - Compulsory Defrosting Function
    31
  - Refrigerant Recovery Function
    31
  - Ambient Temperature Display Control Mode
    31
  - Input Parameter Compensation and Calibration
    32
  - Basic Functions
    32
  - Outdoor Units
    32
  - Special Functions
    33
  - Control Logic
    33
  - 4-Way Valve Control
    33
  - Starting Estimation
    34
  - Frequency Limited
    34
  - Reducing Frequency at Normal Speed
    34
  - Reducing Frequency at High Speed
    34
  - Voltage Sag Protection
    36
  - Communication Fault
    36
  - Module Protection
    36
  - Module Overheating Protection
    36
  - Starting-Up Failure Protection for Compressor
    37
  - Out-Of-Step Protection for Compressor
    37
  - Voltage Abnormity Protection for DC Bus
    37
  - PFC Protection
    37
  - Electric Heating Function of Chassis
    38
  - Electric Heating Function of Compressor
    38
  - Safety Precautions
    39
  - Electrical Safety Precautions
    39
Part Ⅱ : Installation and Maintenance

39
7 Notes for Installation and Maintenance

39
- Main Tools for Installation and Maintenance
  40
- Installation Dimension Diagram
  41
  - Installation Procedures
    42
  - Start Installation
    42
- Electric Connection Requirement
  43
- Installation of Indoor Unit
  43
- Installation Parts-Checking
  43
- Selection of Installation Location
  43
  - Connect the Pipe of Indoor Unit
    44
  - Install Drain Hose
    44
  - Outlet Pipe
    44
  - Bind up Pipe
    45
  - Connect Wire of Indoor Unit
    45
  - Hang the Indoor Unit
    45
  - Fix Outdoor Unit
    46
  - Fix the Support of Outdoor Unit
    46
  - Install Drain Joint
    46
- Installation of Outdoor Unit
  46
- Check after Installation and Test Operation
  47
- Vacuum Pumping and Leak Detection
  47
9 Maintenance

48
10 Exploded View and Parts List

69
- Indoor Unit
  69
- Outdoor Unit
  89
- Removal Procedure of Indoor Unit
  92
  - Remove Fifter Assy
    92
  - Remove Horizontal Louver
    92
  - Remove Electric Box Cover 2
    93
  - Remove Front Case Sub-Assy
    93
  - Remove Display
    93
  - Remove Vertical Louver
    94
  - Remove Electric Box Assy
    94
  - Remove Evaporator Assy
    95
  - Remove Motor and Cross Flow Blade
    96
- Removal Procedure of Outdoor Unit
  97
  - Remove Big Handle,Valve Cover and Top Cover
    97
  - Remove Grille and Cabinet
    98
  - Remove Rear Guard Grille and Right Side Plate
    98
  - Remove Axial Flow Blade
    99
  - Remove the Soundproof Sponge
    101
  - Remove the Isolation Plate and Reactor
    101
  - Valve Support Sub-Assy
    102
  - Remove 4-Way Valve Assy
    102
  - Motor Support Sub-Assy and Motor
    102
  - Remove Condenser
    103
  - Remove Compressor
    103
  - Set Temperature
    104
  - Ambient Temperature
    104
Appendix

104

Gree GWH18QD-K3DNB4G Service Manual (118 pages)

Brand: Gree | Category: Air Conditioner | Size: 42.85 MB

Table of Contents
2
Part Ⅰ : Technical Information

4
1 Summary

4
2 Specifications

6
3 Outline Dimension Diagram

16
- Indoor Unit
  16
- Outdoor Unit
  17
4 Refrigerant System Diagram

18
5 Electrical Part

19
- Wiring Diagram
  19
- PCB Printed Diagram
  23
6 Function and Control

26
Part Ⅱ : Installation and Maintenance

44
7 Notes for Installation and Maintenance

44
8 Installation

46
9 Maintenance

53
10 Exploded View and Parts List

74
- Indoor Unit
  74
- Outdoor Unit
  98
11 Removal Procedure

101
- Removal Procedure of Indoor Unit
  101
- Removal Procedure of Outdoor Unit
  106
Appendix

113

Gree Categories

Air Conditioner Heat Pump Dehumidifier Controller Chiller

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Gree GWH18QD-K3DNB4G Manuals

Gree GWH18QD-K3DNB4G Service Manual (110 pages)

Table of Contents

Part Ⅰ : Technical Information

1 Summary

3 Outline Dimension Diagram

4 Refrigerant System Diagram

5 Electrical Part

6 Function and Control

Part Ⅱ : Installation and Maintenance

7 Notes for Installation and Maintenance

9 Maintenance

10 Exploded View and Parts List

Appendix

Appendix 1: Reference Sheet of Celsius and Fahrenheit

Appendix 2: Configuration of Connection Pipe

Appendix 3: Pipe Expanding Method

Appendix 4: List of Resistance for Temperature Sensor