Haier HSU-09HS03/R2DB User Manual

Domestic Air Conditioner
SERVICE MANUAL
Models
HSU-12HS03/R2（ DB）
HSU-09HS03/R2（ DB）
l Features
l Comfortable:wide-angle airflow
l health air purifying
l quiet operation
l
energy efficient
Serial Number: 0010540329 Version:00.00 Edition: 2004-10-26
1

Haier HSU-09HS03/R2DB Specifications

General

Type	Split
Cooling Capacity	9000 BTU/h
Energy Efficiency Ratio (EER)	3.21
Refrigerant	R410A
Power Supply	220-240V, 50Hz
Outdoor Unit Dimensions (HxWxD)	540 x 780 x 250 mm
Indoor Unit Weight	8 kg
Outdoor Unit Weight	26 kg

Summary

Description of Product Model Coding and Series Introduction

Introductory Remarks on Model Coding

Explains the coding rules for unit models and their components.

Product Series Features and Conditions

Details operating conditions and key features of the product series.

Specifications

Curves of Performance

Compressor Performance Graphs and Data

Shows performance graphs and tabular data for compressors.

Description, Net Dimensions and Functions of Main Components and Accessories

Indoor and Outdoor Unit Component Diagrams

Illustrates the components and layout of indoor and outdoor units.

Indoor and Outdoor Unit Physical Dimensions

Provides detailed physical dimensions for both indoor and outdoor units.

Knock-down Drawings and Part Lists

Indoor Unit Parts Breakdown

Detailed exploded views and component lists for the indoor unit.

Outdoor Unit Parts Breakdown

Detailed exploded views and component lists for the outdoor unit.

Brief Introduction to Electrical Control Functions

Indoor Unit Control Logic and Features

Details indoor unit operation, temperature adjustment, and control functions.

Compressor and Fan Operation Control

Explains compressor operation, DASH mode, and temperature level control.

Operating Modes and Wind Volume Management

Covers different operating modes, frequency levels, and wind volume adjustments.

Special Operations and Protection Systems

Discusses trial running, protection controls, and temperature treatments.

Wiring Diagram

Indoor Unit Electrical Wiring

Provides the electrical schematic for the indoor unit.

Outdoor Unit Electrical Wiring

Provides the electrical schematic for the outdoor unit.

Circuit Diagram

Indoor Unit Electronic Circuit

Detailed circuit schematic for the indoor unit.

Outdoor Unit Electronic Circuit

Detailed circuit schematic for the outdoor unit.

Abnormity Diagnose

Indoor Unit Malfunction Explanations and Causes

Lists indoor unit anomalies, error symbols, and causes.

Outdoor Unit LED Indicators and Malfunctions

Explains outdoor unit LED indicators and associated malfunction causes.

Trouble Shooting

Common Performance Issues and Checks

Addresses common performance issues like restart delays, noise, and smells.

Refrigerating Cycle Diagram

Noise Level Test Chart and Air Velocity Distribution

Noise Level Performance Chart

Displays noise levels across different frequencies for indoor and outdoor units.

Air Velocity Distribution Patterns

Illustrates air velocity patterns under various conditions.

Installation Manual

Installation Tools and Required Parts

Lists necessary tools and accessory parts for installation.

Site Selection and Pipe Preparation

Guides on choosing installation locations and preparing pipes.

Indoor Unit Mounting and Piping Cover

Details mounting plate fitting, wall hole creation, and piping cover installation.

Outdoor Unit Mounting and Pipe Connection

Covers outdoor unit mounting, pipe connection, and drain-elbow attachment.

Refrigerant System Purging and Drainage

Explains the vacuum pump process and drainage installation.