Haier HSU-12HV03-R2 Service Manual
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Also See for HSU-12HV03-R2:
- Operation manual (109 pages) ,
- Operating manual (106 pages) ,
- Installation manual (13 pages)
Table of Contents
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SERVICE MANUAL
Air Conditioners
THIS MANUAL IS USED BY
QUALIFIED APPLIANCE
TECHNICIANS ONLY. HAIER
DOES NOT ASSUME ANY
RESPONSIBILITY FOR PROPERTY
DAMAGE OR PERSONAL INJURY
FOR IMPROPER SERVICE
PROCEDURES DONE BY ONE
UNQUALIFIED PERSON.
Air Conditioner
CAUTION
READ THIS MANUAL CAREFULLY TO
DIAGNOSE TROUBLE CORRECTLY
BEFORE OFFERING SERVICE .
MODEL: HSU-07HV03/R2
MODEL: HSU-
HSU-09HV03/R2
HSU-12HV03/R2
HSU-18HV03/R2
HSU-22HV03/R2
Edition:2006/1/10
REVISION 0
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Table of Contents
Troubleshooting
Related Manuals for Haier HSU-12HV03-R2
Summarization of Contents
Service Manual Overview
Service Manual Caution
Read this manual carefully to diagnose trouble correctly before service.
Supported Air Conditioner Models
Lists all air conditioner models covered by this manual.
IMPORTANT INFORMATION
Key Features
Lists key features of the air conditioner unit.
Model Specifications
Details technical specifications for the HSU-07HV03/R2 model.
IMPORTANT INFORMATION
Key Features
Lists key features of the air conditioner unit.
Model Specifications
Details technical specifications for the HSU-09HV03/R2 model.
IMPORTANT INFORMATION
Key Features
Lists key features of the air conditioner unit.
Model Specifications
Details technical specifications for the HSU-12HV03/R2 model.
IMPORTANT INFORMATION
Key Features
Lists key features of the air conditioner unit.
Model Specifications
Details technical specifications for the HSU-18HV03/R2 model.
IMPORTANT INFORMATION
Key Features
Lists key features of the air conditioner unit.
Model Specifications
Details technical specifications for the HSU-22HV03/R2 model.
Safety Information
Manual Scope and Audience
Describes the manual's purpose, scope, and intended audience.
Reference Documents
Mentions other relevant manuals for specific model details.
General Safety Precautions
Provides essential safety warnings and precautions for handling the unit.
SPECIFICATION
HSU-07HV03/R2 Specifications
Detailed specifications for the HSU-07HV03/R2 model.
HSU-09HV03/R2 Specifications
Detailed specifications for the HSU-09HV03/R2 model.
HSU-12HV03/R2 Specifications
Detailed specifications for the HSU-12HV03/R2 model.
HSU-18HV03/R2 Specifications
Detailed specifications for the HSU-18HV03/R2 model.
HSU-22HV03/R2 Specifications
Detailed specifications for the HSU-22HV03/R2 model.
OPERATION
Health Anion Function Operation
Describes how to activate and use the health anion function.
Automatic Operation Mode
Explains how to use the automatic operation mode for the air conditioner.
Cooling Mode Operation
Details the steps for operating the air conditioner in cooling mode.
Dry Mode Operation
Explains the procedure for using the air conditioner in dry mode.
Fan Mode Operation
Describes how to operate the unit in fan-only mode.
Heating Mode Operation
Details the steps for operating the air conditioner in heating mode.
Air Flow Direction Control
Covers how to adjust vertical and horizontal air flow directions.
Sleep Mode Operation
Explains how to use the sleep mode for comfortable operation.
Timer On/Off Function
Instructions for setting timer functions to turn the unit on or off.
Timer On/Off Function Details
Further details on setting timer functions for the unit.
Health Airflow Operation
Explains the specific operation of the health airflow feature.
Emergency and Test Operations
Describes how to use emergency and test operation modes.
Cautions
Old Unit Disposal Guidelines
Provides guidance on safely disposing of old air conditioning units.
Packaging Disposal Guidelines
Offers advice on environmentally friendly disposal of packaging materials.
General Operational Safety
Details crucial safety instructions and general warnings for unit operation.
Cautions
Ambient Temperature Specifications
Lists the applicable ambient temperature range for the unit.
Cautions
Safety Instructions
Emphasizes reading safety instructions before use and their classification.
Installation Safety Precautions
Covers warnings and cautions related to the unit's installation process.
Parts and Functions
Indoor Unit Components
Identifies and illustrates the components of the indoor unit.
Outdoor Unit Diagrams
Shows diagrams of outdoor units for various models.
Parts and Functions
Remote Controller Functions
Details the functions and displays of the remote control unit.
Parts and Functions
Remote Clock Setting
Provides instructions for setting the clock on the remote controller.
Remote Controller Operation and Battery
Explains general remote control usage and battery installation.
Maintenance
Tips for Efficient Air Conditioner Use
Provides tips for efficient and optimal use of the air conditioner.
Maintenance
Tips for Efficient Air Conditioner Use
Continues tips for efficient use and includes cleaning advice.
Cleaning Prohibitions
Lists prohibited substances for cleaning the unit.
Air Filter Cleaning Procedure
Step-by-step guide for cleaning the air filter.
Maintenance
Air Purifying Filter Replacement
Instructions for replacing the air purifying filter.
Maintenance
End-of-Season Maintenance
Guidance for maintaining the unit at the end of the season.
Maintenance
Pre-Season Setup and Checks
Describes pre-season checks and preparations for the unit.
Trouble shooting
Performance Troubleshooting Checks
Checks for common performance issues like restarts and noise.
General Troubleshooting Checks
Troubleshooting steps for multiple or non-working conditions.
ELECTRICAL CONTROLL
Automatic Run Mode Operation
Explains automatic run modes based on temperature.
Cooling Mode Operation Details
Details operational characteristics and controls for cooling mode.
ELECTRICAL CONTROLL
Dehumidifying Mode Operation Details
Describes operational characteristics and controls for dehumidifying mode.
ELECTRICAL CONTROLL
Heating Mode Operation Details
Details operational characteristics and controls for heating mode.
ELECTRICAL CONTROLL
Cold Blast Avoidance System
Explains how the system avoids cold air discharge during heating.
High Temperature Protection Measures
Describes safety mechanisms against high temperatures.
Electrical Current Protection
Details protective measures against electrical current issues.
Overcooling Protection System
Explains the system's protection against excessive cooling.
ELECTRICAL CONTROLL
Defrosting Procedure and Conditions
Covers entry conditions, exit conditions, and oscillogram for defrosting.
ELECTRICAL CONTROLL
Heating Temperature Compensation
Explains how heating temperature is compensated automatically.
Timer Control Functions
Details timer functions for setting operation schedules.
ELECTRICAL CONTROLL
Emergency Operation Switch
Instructions for using the emergency operation switch.
Test Run Procedure
Describes the procedure and conditions for performing a test run.
ELECTRICAL CONTROLL
Automatic Run Mode Operation
Explains automatic run modes for cooling-only and cold/warm types.
ELECTRICAL CONTROLL
Cooling Mode Operation Details
Details operational characteristics and controls for cooling mode.
ELECTRICAL CONTROLL
Dehumidifying Mode Operation Details
Describes operational characteristics and controls for dehumidifying mode.
ELECTRICAL CONTROLL
Heating Mode Operation Details
Details operational characteristics and controls for heating mode.
ELECTRICAL CONTROLL
Cold Blast Avoidance System
Explains how the system avoids cold air discharge during heating.
High Temperature Protection Measures
Describes safety mechanisms against high temperatures.
Electrical Current Protection
Details protective measures against electrical current issues.
Overcooling Protection System
Explains the system's protection against excessive cooling.
ELECTRICAL CONTROLL
Defrosting Procedure and Conditions
Covers entry conditions, exit conditions, and oscillogram for defrosting.
ELECTRICAL CONTROLL
Heating Temperature Compensation
Explains how heating temperature is compensated automatically.
Timer Control Functions
Details timer functions for setting operation schedules.
ELECTRICAL CONTROLL
Sleep Mode Operation Details
Explains how to use the sleep mode for comfortable operation.
Temperature Sensor Malfunction Protection
Describes issues related to temperature sensor failures.
Emergency Operation Switch
Instructions for using the emergency operation switch.
ELECTRICAL CONTROLL
Test Run Procedure
Describes the procedure and conditions for performing a test run.
2-Second Remote Control Delay Function
Details functions executed with a 2-second delay after remote input.
Indoor Fan Motor Alarm
Explains the alarm signal for indoor fan motor issues.
Manual Defrosting Activation
Procedure for manually initiating the defrosting cycle.
ELECTRICAL CONTROLL
Automatic Run Mode Operation
Explains automatic run modes for cooling-only and cold/warm types.
ELECTRICAL CONTROLL
Cooling Mode Operation Details
Details operational characteristics and controls for cooling mode.
ELECTRICAL CONTROLL
Dehumidifying Mode Operation Details
Describes operational characteristics and controls for dehumidifying mode.
ELECTRICAL CONTROLL
Heating Mode Operation Details
Details operational characteristics and controls for heating mode.
ELECTRICAL CONTROLL
Cold Blast Avoidance System
Explains how the system avoids cold air discharge during heating.
High Temperature Protection Measures
Describes safety mechanisms against high temperatures.
Overcooling Protection System
Explains the system's protection against excessive cooling.
ELECTRICAL CONTROLL
Defrosting Procedure and Conditions
Covers entry conditions, exit conditions, and oscillogram for defrosting.
ELECTRICAL CONTROLL
Heating Temperature Compensation
Explains how heating temperature is compensated automatically.
Timer Control Functions
Details timer functions for setting operation schedules.
ELECTRICAL CONTROLL
Sleep Mode Operation Details
Explains how to use the sleep mode for comfortable operation.
Temperature Sensor Malfunction Protection
Describes issues related to temperature sensor failures.
Emergency Operation Switch
Instructions for using the emergency operation switch.
Error Codes and Troubleshooting
Sensor Failure Troubleshooting
Lists error codes and provides troubleshooting steps for sensor failures.
Error Codes and Troubleshooting
Indoor Fan Motor Malfunction Troubleshooting
Troubleshooting flowchart for indoor fan motor malfunctions.
Troubleshooting Common Issues
Performance Troubleshooting Checks
Checks for common performance issues like restarts and noise.
General Troubleshooting Checks
Troubleshooting steps for multiple or non-working conditions.
Room Air Conditioner Installation
Required Installation Tools
Lists all tools required for the installation process.
Included Accessory Parts
Identifies and quantifies the parts included with the unit.
Room Air Conditioner Installation
Outdoor Unit Mounting
Provides instructions and diagrams for mounting the outdoor unit.
Optimal Installation Site Selection
Offers guidance on choosing optimal locations for unit installation.
Power Source Requirements
Specifies requirements for the electrical power source.
Refrigerant Pipe Specifications
Details specifications for refrigerant pipes used in installation.
Room Air Conditioner Installation
Mounting Plate and Wall Hole Positioning
Guides on installing the mounting plate and marking wall holes.
Wall Hole Creation and Pipe Cover Fitting
Instructions for creating wall openings and fitting covers.
Indoor Unit Installation Procedure
Steps for physically installing the indoor unit onto the mounting plate.
Room Air Conditioner Installation
Indoor Unit Body Securing
Details how to securely attach the indoor unit body.
Indoor/Outdoor Unit Wiring
Instructions for wiring the indoor and outdoor units together.
Room Air Conditioner Installation
Indoor Unit Disassembly for Cleaning
Explains how to disassemble the indoor unit for cleaning.
Outdoor Unit Installation and Connections
Outdoor Unit Mounting Guidelines
General guidelines for installing the outdoor unit.
Refrigerant Pipe Connection
Procedure for connecting refrigerant pipes between units.
Outdoor Unit Electrical Connection
Electrical connection steps for the outdoor unit.
Drain-Elbow Attachment
Instructions for fitting the drain-elbow accessory.
Outdoor Unit Installation and Connections
System Purging with Vacuum Pump
Detailed steps for purging the refrigerant system using a vacuum pump.
Outdoor Unit Installation and Connections
Electrical Power Source Setup
Guidance on connecting the unit to the electrical power source.
Pipe Cutting and Flaring Techniques
Techniques for cutting and flaring refrigerant pipes.
Drainage System Setup
Instructions for ensuring proper drainage setup.
Installation and Test Run Checks
List of checks before and during the initial test run.
Circuit and Wiring Diagrams
Circuit Diagram
Schematic diagram of the unit's electrical control circuits.
Circuit and Wiring Diagrams
Indoor Unit Wiring Diagram
Illustrates the wiring connections for the indoor unit.
Circuit and Wiring Diagrams
Outdoor Unit Wiring Diagram
Illustrates the wiring connections for the outdoor unit.
Circuit Diagram (HSU-18HV03/R2)
Indoor Unit Wiring Diagram (HSU-18HV03/R2)
Indoor unit wiring diagram for HSU-18HV03/R2.
Outdoor Unit Wiring Diagram (HSU-18HV03/R2)
Outdoor unit wiring diagram for HSU-18HV03/R2.
Circuit Diagram (HSU-22HV03/R2)
Indoor Unit Wiring Diagram (HSU-22HV03/R2)
Indoor unit wiring diagram for HSU-22HV03/R2.
Outdoor Unit Wiring Diagram (HSU-22HV03/R2)
Outdoor unit wiring diagram for HSU-22HV03/R2.
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