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GWH12PB-K3NNA1A
Service manual
Gree GWH12PB-K3NNA1A Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Summary and Features
Safety Precautions
Specifications
Unitspecifications
Capacityvariation Ratio According to Temperature
Operation Data
Construction Views
Indoor Unit
Outdoor Unit
Refrigerant System Diagram
Schematic Diagram
Electrical Wiring
Printed Circuit Board
Function and Control
Remote Control Operations
Timer off
Description of each Control Operation
Installation Manual
Notices for Installation
Installation Dimension Diagram
Install Indoor Unit
Install Outdoor Unit
Check after Installation and Test Operation
Installation and Maintenance of Healthy Filter
Exploded Views and Parts List
Indoor Unit
Outdoor Unit
Troubleshooting
Precautions before Performing Inspection or Repair
Judgement by Flashing LED of Indoor/Outdoor Unit
How to Check Simply the Main Part
Appendix 1: Resistance Table for Indoor and Outdoor Ambient Temperature Sensors (15K)
Appendix 2: Resistance Table for Indoor and Outdoor Tube Temperature Sensor (20K)
Removal Procedure
Removal Procedure of Indoor Unit
Removal Procedure Ofoutdoor Unit
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С
GREE
Change fo r Life
If*» Service Manual
MODEL: GWH07PA-K3NNA1A
GWH09PA-K3NNA1A
GWH12PB-K3NNA1A
(Refrigerant R410A)
GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
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Summarization of Contents
Safety Precautions
Specifications
Unit Specifications
Detailed technical specifications for the indoor unit model GWH07PA-K3NNA1A.
Capacity Variation Ratio
Charts showing capacity variation based on outdoor temperature for cooling and heating.
Operation Data
Tables detailing operational conditions, temperatures, and pressures for different modes.
Construction Views
Indoor Unit Dimensions
Visual representation of the indoor unit's dimensions and mounting details.
Outdoor Unit Dimensions
Visual representation of the outdoor unit's dimensions and mounting details.
Refrigerant System Diagram
Schematic Diagram
Electrical Wiring Diagrams
Visual representation of electrical connections and color codes for the unit.
Printed Circuit Board Layout
Top and bottom views of the main printed circuit board with component identification.
Function and Control
Remote Control Operations
Detailed description of each button and its function on the wireless remote control.
Operational Mode Descriptions
Explanation of cooling, dry, heating, and fan modes, including conditions and protections.
Installation Manual
Installation Site Notices
Important considerations and precautions for selecting appropriate installation locations.
Installation Dimension Diagram
Diagrams showing required clearances and space for proper unit installation.
Indoor Unit Installation
Step-by-step instructions for mounting and connecting the indoor unit components.
Outdoor Unit Installation
Step-by-step instructions for installing the outdoor unit and its connections.
Post-Installation Checks
Checklist of essential checks and tests to perform after unit installation.
Healthy Filter Maintenance
Instructions for installing, cleaning, and understanding the service life of the healthy filter.
Exploded Views and Parts List
Indoor Unit Parts
Exploded view and list of parts for the indoor unit of the air conditioner.
Outdoor Unit Parts
Exploded view and list of parts for the outdoor unit of the air conditioner.
Troubleshooting
Inspection and Repair Precautions
Safety measures and general precautions to take before performing inspection or repair.
LED Flashing Code Diagnosis
Interpretation of indoor/outdoor unit LED indicators for malfunction identification.
Main Part Troubleshooting Flowcharts
Step-by-step flowcharts for diagnosing specific malfunctions like F1, F2, H6, C5, U8.
Removal Procedure
Indoor Unit Disassembly
Detailed instructions for safely removing components of the indoor air conditioner unit.
Outdoor Unit Disassembly
Detailed instructions for safely removing components of the outdoor air conditioner unit.
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