Haier 1U09BS2ERA User Manual

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Order No.
Wall Mounted Type
DC Inverter FREE MATCH EK-Series
AS09/12GS1ERAModel No.
1U09/12BS2ERA
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WARNING
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Haier Group

Haier 1U09BS2ERA Specifications

General

Brand	Haier
Model	1U09BS2ERA
Category	Air Conditioner
Language	English

Summary

Introduction and Model Details

1.1 Model Name Explanation

Explains the components and meaning of the model number.

1.2 Safety Cautions

Essential safety warnings and precautions for repair and operation.

1.2.3 Inspection after Repair

Details checks to be performed after completing repair work.

1.2.4 Using Icons

Explains the meaning and usage of various icons in the manual.

Product Functions and Specifications

2 List of Functions

Details the available functions of the air conditioner and their availability.

3 Specifications

Provides detailed technical specifications for the air conditioner models.

Electrical and Wiring Diagrams

4 Printed Circuit Board Connector Wiring Diagram

Illustrates connector locations and their functions on the PCB.

Operation and Control

5 Functions and Control

Explains the main operational features and control logic of the air conditioner.

5.1 Main Functions and Control

Details operational modes, fan control, and special functions like timing and sleep.

5.2 Outdoor Unit Control System

Explains compressor frequency, fan speed, EEV, and protection mechanisms for the outdoor unit.

5.3 Thermistor Values

Table of thermistor resistance values at different temperatures for diagnosis.

System Usage and Maintenance

Parts and Functions

Identifies and explains the parts of the indoor unit and remote controller.

Indoor Unit Components

Details the components of the indoor unit.

Remote Controller Functions

Explains the buttons and features of the remote controller.

Operation

Details how to start, stop, and set various operation modes.

Basic Operations

Covers starting, stopping, temperature setting, and fan speed adjustments.

Advanced Features

Details timer, turbo, quiet, emergency, and health operations.

Sleep Mode Operation

Explains the sleep mode for comfortable operation during rest.

Maintenance

Provides guidance on routine maintenance tasks for the air conditioner.

Routine Maintenance

Guidance on cleaning and replacing air filters for optimal performance.

Smart Usage Precautions

Critical safety warnings and precautions for installation and operation.

Troubleshooting and Service Diagnosis

7 Service Diagnosis

Introduces service diagnosis and common issues.

7.1 Caution for diagnosis

Important cautions to observe before performing diagnostic procedures.

7.2 Problem Symptoms and Measures

Lists common operational problems and their corresponding checks and measures.

7.3 Component Parameters

Lists electrical parameters and specifications for key components.

7.4 Error Codes and Troubleshooting

Details error codes displayed by the unit and their meanings.

Installation Procedures

8 Installation

Provides instructions and guidelines for installing the air conditioner.

Pre-Installation Guidance

Warnings and checks before starting installation.

Indoor Unit Installation Steps

Detailed steps for installing the indoor unit, including mounting and connections.

Outdoor Unit, Piping, and Wiring

Covers outdoor unit placement, pipe work, vacuuming, and electrical wiring.

Component Removal Procedures

9 Component Removal Procedures

General introduction to the removal procedures for unit components.

Indoor Unit Component Removal

Instructions for removing air filter, front panel, and heat exchanger from the indoor unit.

Outdoor Unit Component Removal

Steps for removing outdoor panels, electrical box, fan, motor, and compressor.

Wiring Diagrams

10 Wiring diagrams

Provides detailed wiring diagrams for the indoor and outdoor units.

Indoor Unit Wiring

Wiring diagram for the indoor unit.

Outdoor Unit Wiring

Wiring diagram for the outdoor unit.