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Haier AW18ES2VHB User Manual

Haier AW18ES2VHB
186 pages
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Ductless Split Heat Pump
Service Manual
Design may vary by model number.
Please read this manual before using the heat pump.
Keep this user manual for future reference.
PAGE 1
Safety Precautions/Introduction .................................................................................................3
Outdoor Unit Controls and Components ..................................................................................... 7
Indoor Unit Controls and Components ......................................................................................15
Sequence Of Operation ............................................................................................................. 21
Error Codes and Problem Solving ..............................................................................................29
Reference Information ..............................................................................................................43
Table of Contents
Indoor
AW09ES2VHB
AW12ES2VHB
AW15ES2VHB
AW18ES2VHB
AW24ES2VHB
Outdoor
1U09AP2VHA
1U12AP2VHA
1U15AP2VHA
1U18AP2VHA
1U24AP2VHA

Table of Contents

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Haier AW18ES2VHB Specifications

General IconGeneral
BrandHaier
ModelAW18ES2VHB
CategoryAir Conditioner
LanguageEnglish

Summary

Manual Introduction and Safety

Safety Precautions and Warnings

Important safety guidelines, warnings, and cautions for installation and operation.

System Overview and Theory

Details the system's design, specifications, and fundamental operating principles.

Outdoor Unit Controls and Components

Outdoor Unit Introduction and Identification

Overview and visual identification of the outdoor unit and its main parts.

Outdoor Control Board

Description of the outdoor unit's main control board and its connectors.

Key Outdoor Unit Components

Details on terminal block, compressor, fan motor, sensors, and other parts.

Indoor Unit Controls and Components

Indoor Unit Introduction and Identification

Overview and visual identification of the indoor unit and its main parts.

Indoor Control Board

Description of the indoor unit's main control board and its connectors.

Key Indoor Unit Components

Details on terminal block, display, sensors, motors, and DIP switches.

Sequence of Operation

Cooling Mode Operation

Details the system's operation and parameters during cooling cycles.

Heating, Auto, Dry, and Defrost Modes

Explains heating, auto, dry modes, defrost cycles, and protection functions.

Error Codes and Problem Solving

Error Code Display and Descriptions

Lists and explains error codes displayed on the indoor and outdoor units.

Troubleshooting Specific Malfunctions

Provides diagnostic steps for common system faults and errors.

Reference Information

Wiring Diagrams and Schematics

Provides electrical diagrams for outdoor, indoor, and module boards.

Sensor Resistance Data

Lists resistance values for various sensors at different temperatures.

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