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Haier AW07EH2VHA User Manual

Haier AW07EH2VHA
140 pages
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Ductless Multi-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.
Table of Contents
Introduction ............................................................................................................... A-1
Outdoor Technical Overview ...................................................................................... B-1
Wall Mount Technical Overview ..................................................................................C-1
Compact Cassette Technical Overview ......................................................................D-1
Large Cassette Technical Overview ............................................................................ E-1
Slim Duct Technical Overview .................................................................................... F-1
Mid-Static Ducted Technical Overview .......................................................................G-1
Medium Static Ducted (Pro Series) Technical Overview ..............................................H-1
Console Technical Overview ........................................................................................ I-1
Troubleshooting & Reference ..................................................................................... J-1
Outdoor
2U18MS2VHB
3U24MS2VHB
4U36MS2VHB
Indoor
Wall Mount - Highwall
AW07EH2VHA
AW09EH2VHA
AW12EH2VHA
AW18EH2VHA
AW07LC2VHB
AW09LC2VHB
AW12LC2VHB
AW18LC2VHB
AW24LP2VHA
2’x2’ Compact Cassette
AB09SC2VHA
AB12SC2VHA
AB18SC2VHA
3’x3’ Large Cassette
AL24LP2VHA
Slim Duct
AD07SL2VHB
AD09SL2VHB
AD12SL2VHB
AD18SL2VHB
Mid-Static Ducted
USYM09UCDSA
USYM12UCDSA
USYM18UCDSA
USYM24UCDSA
Medium Static Ducted
AM24LP2VHA
Console
USYF09UCDWA
USYF12UCDWA
USYF18UCDWA
Before troubleshooting or servicing equipment, review equipment installation guides
and conrm ALL installation requirements & specications have been met. Including,
but not limited to: wiring, clearance, ducting (where applicable), power, and line set
requirements. Correct any installation issues before continuing.

Table of Contents

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Haier AW07EH2VHA Specifications

General IconGeneral
BrandHaier
ModelAW07EH2VHA
CategoryHeat Pump
LanguageEnglish

Summary

Introduction

Safety & Precautions

Read safety precautions carefully for correct installation and safe operation of the heat pump.

Specifications

Detailed technical specifications for outdoor units, including capacity, power, and dimensions.

Functions and Control

Explains various operational modes like Auto, Cooling, Dry, and Heat, plus fan control.

Abnormality Confirmation Approaches

Details methods for confirming abnormalities and specific protection controls within the system.

Outdoor Technical Overview

Components

Identifies and describes key components of the outdoor unit, including circuit boards and motors.

Operations

Explains the operational sequences for cooling and heating modes, including sensor functions.

Testing

Provides procedures for testing outdoor unit components like fan motor, sensors, and valves.

Wiring Diagrams

Illustrates the electrical connections and diagrams for various outdoor unit models.

DIP Switch Settings

Details the configuration options available through DIP switches for system settings.

Error Codes

Lists and diagnoses error codes related to outdoor unit malfunctions and sensor failures.

Wall Mount Technical Overview

Components

Identifies and describes the internal components of the wall mount indoor unit.

Testing

Provides testing procedures for indoor unit components like fan motor, sensors, and communication.

Wiring Diagram

Illustrates the electrical wiring diagram for the wall mount indoor unit.

Error Codes

Lists and explains error codes specific to the wall mount indoor units.

Compact Cassette Technical Overview

Components

Details the parts and components within the compact cassette indoor unit.

Testing

Provides testing procedures for cassette unit components like fan motor and pump.

Wiring Diagram & DIP Switch Settings

Shows wiring diagrams and DIP switch settings for cassette unit configuration.

Error Codes

Lists and explains error codes specific to the compact cassette indoor units.

Large Cassette Technical Overview

Components

Identifies and describes the internal components of the large cassette indoor unit.

Testing

Provides testing procedures for large cassette unit components like fan motor and pump.

Wiring Diagram & DIP Switch Settings

Illustrates wiring diagrams and details DIP switch settings for large cassette units.

Error Codes

Lists and explains error codes specific to the large cassette indoor units.

Slim Duct Technical Overview

Components

Details the parts and components within the slim duct indoor unit.

Ductwork/Grilles

Covers basic duct configurations and installation guidelines for slim duct units.

Testing

Provides testing procedures for slim duct unit components like pump and sensors.

Wiring Diagram & DIP Switch Settings

Shows wiring diagrams and DIP switch settings for slim duct unit configuration.

Error Codes

Lists and explains error codes specific to the slim duct indoor units.

Mid-Static Ducted Technical Overview

Components

Identifies and describes the internal components of the mid-static ducted indoor unit.

Indoor Unit Circuit Board

Details the circuit board for the mid-static ducted indoor unit and its connections.

Fresh Air Function

Explains the fresh air intake function and operational cycles for the indoor unit.

Ductwork/Grilles

Covers basic duct configurations and installation guidelines for ducted units.

Testing

Provides testing procedures for ducted unit components like pump and sensors.

Wiring Diagram

Illustrates the electrical wiring diagram for the mid-static ducted indoor unit.

DIP Switch Settings

Details DIP switch settings for configuring the mid-static ducted indoor unit.

Error Codes

Lists and explains error codes specific to the mid-static ducted indoor units.

Medium Static Ducted (Pro Series) Technical Overview

Components

Identifies and describes the internal components of the medium static ducted indoor unit.

Indoor Unit Circuit Board

Details the circuit board for the medium static ducted indoor unit and its connections.

Ductwork/Grilles

Covers basic duct configurations and installation guidelines for ducted units.

Testing

Provides testing procedures for ducted unit components like pump and sensors.

Wiring Diagram

Illustrates the electrical wiring diagram for the medium static ducted indoor unit.

DIP Switch Settings

Details DIP switch settings for configuring the medium static ducted indoor unit.

Error Codes

Lists and explains error codes specific to the medium static ducted indoor units.

Console Technical Overview

Components

Identifies and describes the internal components of the console indoor unit.

Testing

Provides testing procedures for console unit components like fan motor and sensors.

Wiring Diagram/DIP Switch Settings

Shows wiring diagrams and DIP switch settings for console unit configuration.

Error Codes

Lists and explains error codes specific to the console indoor units.

Troubleshooting & References

Special Functions

Details special functions like Auto Restart, Forced Defrost, and Enhanced Defrost.

Matching Tables

Provides tables for matching outdoor units with indoor units and required adapters.

Resistance Chart / Sensor Definitions

Lists sensor definitions and resistance values for troubleshooting temperature sensors.

Master Error Code Chart

A comprehensive chart correlating error codes across different unit types and displays.

Outdoor Unit Error Codes

Specific error codes and causes related to outdoor unit malfunctions and sensors.

Flow Charts

Diagnostic flow charts to troubleshoot common error codes and system issues.

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