Table of Contents
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AS07GS2ERA
AS09GS2ERA
AS12GS2ERA
indoor unit and remote controller
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death
SERVICE MANUAL
DC Inverter
Model No.
2U14CS1ERAoutdoor unit
WARNING
All right reserved .Unauthorized copying and distribution is a violation of law
Haier Group
Order No.
Wall mounted Type
EK-Series
2U14CS1ERA
AS07GS2ERA
AS09GS2ERA
AS12GS2ERA
©
(Qingdao Haier Air Conditioner General corp.,Ltd)
AC1012S002V0
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Table of Contents
Troubleshooting
Related Manuals for Haier AS12GS2ERA -
Summarization of Contents
Introduction
Safety Cautions
Essential safety guidelines for repair and operation.
Cautions During Repair and After Repair
Specific warnings for repair work and post-repair safety measures.
List of Functions
Product Feature Overview
Detailed description of all available functions and their benefits.
Specifications
Technical Data and Components
Detailed technical data for cooling, heating, and unit components.
Functions and Control
Indoor Unit Operations
Explanation of automatic, cooling, demoisture, heating, and fan modes.
Outdoor Unit Control System
Details on compressor frequency, fan control, and protection functions.
Maintenance
Filter Maintenance
Guide for cleaning and replacing air filters for optimal performance.
Troubleshooting
Symptoms and Solutions
Common issues, their causes, and recommended solutions.
Error Codes and Diagnostics
List of error codes, their meanings, and troubleshooting steps.
Installation
Installation Procedure
Step-by-step guide for installing the air conditioner units.
Wiring and Circuit Diagrams
Indoor and Outdoor Unit Wiring
Visual diagrams for indoor and outdoor unit electrical connections.
Circuit Diagrams
Detailed schematics of the unit's electronic circuits.
Piping Diagrams and Model Codes
Piping Diagrams
Visual representation of refrigerant flow in cooling and heating modes.
Unit Model Coding Rules
Explanation of how unit model numbers are structured and what they signify.
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