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Haier GE APPLIANCES AZ45E12DABW5 User Manual

Haier GE APPLIANCES AZ45E12DABW5
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2019 Zoneline Air Conditioner
31-9301
Rev. 1 ~ 7/1/2019
Technical Service Guide
230/208 VOLT
MODELS
AZ45E07D_ _ _5*
AZ65H07D_ _ _5*
AZ45E09D_ _ _5*
AZ65H09D_ _ _5*
AZ45E12D_ _ _5*
AZ65H12D_ _ _5*
AZ45E15D_ _ _5*
AZ65H15D_ _ _5*
* Engineering Digit 5 and Greater
May 2019
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Haier GE APPLIANCES AZ45E12DABW5 Specifications

General IconGeneral
ModelAZ45E12DABW5
TypeWindow Air Conditioner
Energy Efficiency Ratio (EER)12.0
Voltage115V
SmartNo
Fan Speeds3
Filter TypeWashable
Installation TypeWindow
ColorWhite
Noise Level52 dB

Summary

Safety Information

Essential Safety Warnings

Critical safety notices and warnings for service personnel.

Safety Requirements and Procedures

Safety Equipment and LOTO

Required PPE and the Lockout/Tagout procedure.

Tools and System Pressures

Basic Unit Operation Modes

Cooling and Heating Mode Functionality

How the unit operates in cooling and heating modes.

Heat Pump Operation Stages

Heat Pump Stage 1, 2, and 3 Operation

Details on the three stages of heat pump heating operation.

Freeze Prevention Systems

Indoor Coil Freeze Prevention

Mechanism to prevent indoor coil freezing during cooling.

Indoor Coil Overheat Protection

Heat Pump Overheat Management

Protects unit from overheating during heat pump operation.

Reverse Cycle Defrost Operations

Auxiliary Control Setup

Auxiliary Set Button Configuration

Navigating and setting unit configurations via the Aux button.

External Connectivity Options

Thermistor Component Details

Main Control Board Overview

Main Board Front View

Main Board Component Identification

Component Resistance Checks

Main Board Component Testing Procedures

Resistance values for testing main board components.

Fault Code Diagnostics

Fault Code Display and Clearing

How to access, display, and clear fault codes.

Service Mode Operations

AZ4500/AZ6500 Series Service Modes

Functions available in service mode for different model series.

Accessing Internal Components

Low Voltage Transformer Diagnosis

Main Board Service and Replacement

Personality Settings Configuration

DIP Switch Configuration for Models

Setting DIP switches for unit configuration after board replacement.

Air System Components

Electric Heat System Components

Digital Make-Up Air Module (MUAM)

Sealed System Components Overview

Compressor and Reversing Valve Service

Compressor Checks and Reversing Valve Operation

Procedures for compressor checks and reversing valve function.

Refrigerant System Service Parts

Refrigerant Flow in Cooling Mode

Refrigerant Flow in Heating Mode

Refrigerant Recovery Process

Recovery Hose Hook-Up Procedures

Steps for connecting hoses for refrigerant recovery.

Refrigerant Charging and Capacity

Refrigerant Charge Specifications by Model

Table listing refrigerant charge amounts by model.

Wiring Diagram and Schematics

Understanding the Wiring Diagram

Explanation of the wiring diagram for component connections.

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