Haier HSU-22HVA103/R2(DB) - User Manual

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HSU-18HVA103/R2(DB)
HSU-22HVA103/R2(DB)
HSU-18,22HVA103/R2(DB)

Haier HSU-22HVA103/R2(DB) Specifications

General

Brand	Haier
Model	HSU-22HVA103/R2(DB)
Category	Air Conditioner
Language	English

Summary

1. Introduction

1.1 Safety Cautions

Essential safety guidelines before and during repair work.

1.1.1 Caution in Repair

Specific safety warnings for repair procedures to prevent hazards.

1.1.2 Cautions Regarding Products after Repair

Safety considerations and warnings for the unit after repair work is completed.

1.1.3 Inspection after Repair

Steps to check the unit after repair to ensure proper function and safety.

1.1.4 Using Icons

Explanation of symbols used in the manual to draw attention to specific information.

1.1.5 Using Icons List

Detailed list of icons and their corresponding meanings for user guidance.

2. List of Functions

3. Specifications

4. Printed Circuit Board Connector Wiring Diagram

4.1 Indoor unit Connectors

Detailed listing and identification of connectors on the indoor unit's control PCB.

4.2.1 HSU-18 HVA103;R2 (DB) unit

Specific connector and PCB info for the HSU-18HVA103/R2(DB) outdoor unit.

4.2.2 HSU-22 HVA103;R2 (DB) unit

Specific connector and PCB info for the HSU-22HVA103/R2(DB) outdoor unit.

5. Functions and Control

5.1 Main functions and control specification of indoor unit

Comprehensive explanation of the indoor unit's operational modes and control logic.

5.1.1 Temperature Adjusting function

Controls temperature based on modes and settings.

5.1.1.2 DASH operation

'DASH' mode and compressor frequency settings.

5.1.1.3 Temperature adjusting of different levels.

Temperature adjustments across different modes and levels.

5.1.1.4 Select the wind volume when it is set automatic

Automatic wind volume selection based on temperature levels.

5.1.1.5 Wind volume limit

Frequency limits for indoor fan motor.

5.1.2 Main functions

Introduces further main functions like Warm boot.

5.1.2.1 Warm boot

'Warm boot' to prevent cold air during heating starts.

5.1.2.2 When the compressor stops and remains idle for 3 minutes

Fan speed behavior when compressor is idle.

5.1.2.3 High Work-intense protection control

Protection mechanisms for high work-intensity.

5.1.2.4 Low Work-intense protection control

Protection mechanisms for low work-intensity.

5.1.2.5 Dehumidification running

Operation and fan behavior during dehumidification mode.

5.1.2.6 Automatic running

Automatic mode selection based on temperature.

5.1.3 Special functions

Introduces special operational functions.

5.1.3.1 Powerful running

Describes the 'Powerful running' mode and its duration.

5.1.3.2 Silent running

Explains the 'Silent running' mode and fan speed.

5.1.3.3 Air cleaning

Details the 'Air cleaning' function with an anion generator.

5.1.3.4 Timed running

How to set and use timer functions for scheduling.

5.1.3.5 Sleeping function

Explains the 'Sleeping function' and its temperature adjustments.

5.1.3.6 Trial running

Describes the 'Trial running' mode for testing unit operation.

5.1.3.7 Power failure compensation

Details on retaining settings after power interruption.

5.1.3.8 Rated Operation

Standard cooling or heating operation performance.

5.2 Main functions and control specification of outdoor unit

Outdoor unit operational modes, controls, and protection mechanisms.

5.2.1 Outdoor Unit Operation Frequency and Control

Explains compressor frequency ranges and control logic for outdoor operation.

5.2.2 Outdoor fan control

How the outdoor fan speed is controlled based on operating conditions.

5.2.3 Four-way Valve Control

Function and operation of the four-way valve for mode switching.

5.2.4 Outdoor Defrosting Control

Conditions and procedures for the outdoor unit's defrosting cycle.

5.2.5 PTC Output Control

Control logic for PTC output based on unit status.

5.2.6 System Protection Function

Overview of various protection mechanisms built into the system.

5.2.6.1 3 minutes stand-by time

Explanation of the 3-minute stand-by time for compressor protection.

5.2.6.2 TD High Temperature Protections

Protection measures against high discharge temperatures (TD).

5.2.6.3 Indoor Heat Exchanger Anti-freeze Protection

Protection against freezing of the indoor heat exchanger.

5.2.6.4 Outdoor Temperature Limit

Limits on outdoor temperature for proper operation.

5.2.6.5 Special Features

Additional features like Forced Cooling and Capacity Operations.

5.2.6.6 Fault Display and Treatment

How system faults are displayed and potential treatment steps.

5.3 Function of Main Thermistor

Explains the role and function of key thermistors in system control.

5.4 Value of Thermistor

Provides tables of thermistor resistance values at different temperatures.

5.4.1 intdoor Unit

Thermistor value data for the indoor unit's room sensor.

5.4.2 Outdoor Unit

Thermistor value data for outdoor sensors (ambient, suction, defrosting).

6. System Configuration

6.1 System Configuration

Post-installation procedures and proper handling of the unit.

Cautions

Important safety instructions and warnings for operation and handling.

Disposal of the old air conditioner

Guidelines for safely and environmentally disposing of old units.

Disposal of the packaging of your new air conditioner

Information on disposing of new unit packaging materials.

Safety Instructions and Warnings

Crucial safety notes and warnings to be read before operating the unit.

Cautions

Additional operational cautions, including appliance handling.

Specifications

Ambient temperature ranges for cooling and heating modes.

Cautions

Cautions regarding fuse replacement, wiring, and power plug.

Safety Instruction

General safety guidelines for installation and operation.

Installation

Warnings and cautions related to the installation process.

Cautions

Various warnings and prohibitions for safe operation and installation.

Parts and Functions

Remote controller

Detailed explanation of the remote controller's buttons and displays.

Clock Set

Procedure for setting the clock on the remote controller.

Remote controllers operation

Usage guidelines for the remote controller, including signal transmission.

Loading of the battery

Instructions for inserting batteries into the remote controller.

Operation

1.Unit start

Basic steps to start the air conditioner unit using the remote controller.

2.Health anion function

How to activate and use the health anion function.

Auto Operation

How the unit automatically selects cooling or heating modes.

2.Select operation mode

Details on selecting different operation modes.

3.Fan speed selection

How to adjust fan speed, including automatic setting.

Cool Operation

Steps for operating the unit in cooling mode.

3.Select temp.setting

How to set the desired temperature for operation.

4.Fan speed selection

Details on fan speed selection within the cool operation.

Dry Operation

Instructions for operating the unit in dry mode.

Fan Operation

How to operate the unit in fan-only mode.

Heat Operation

Steps for operating the unit in heating mode.

Air Flow Direction Adjustment

How to adjust the direction of airflow using the remote controller.

2.Up and down air flow direction

Adjusting the vertical flap for airflow direction.

3.Left and right air flow direction

Adjusting the horizontal louvers for airflow direction.

Sleep Operation

Explains the sleep mode operation and its temperature adjustments.

Timer On;Off Operation

How to set timer functions for automatic start/stop.

POWER;SOFT Operation

Describes POWER and SOFT modes for rapid or quiet operation.

Health airflow Operation

Details the health airflow function and its effect on airflow direction.

Emergency and Test Operation

How to use emergency or test operation modes.

Maintenance

Setting of proper room temperature

Tips on setting optimal room temperature for efficient operation.

Do not block the air inlet or outlet

Warning against obstructing airflow for proper unit function.

Close doors and windows during operation

Importance of closing doors/windows for efficient operation.

Air Filter cleaning

Step-by-step guide for cleaning the air filter.

Do not use the following for cleaning

List of cleaning agents and methods to avoid.

Replancement of Air Purifying Filter

Instructions for replacing the air purifying filters.

To Keep Your Air conditioner in Good Condition after Season

Seasonal maintenance tips for preserving unit condition.

Before Setting in High season

Preparations and checks before operating the unit in high season.

Cleaning the standard air filter.

Reminder to clean the standard air filter before high season operation.

Connecting the earthing cable.

Importance and procedure for connecting the earthing cable for safety.

Do not block the air inlet or outlet.

Reiterates the warning against blocking airflow.

Trouble shooting

Normal Performance inspection

Checks related to normal performance, like restart delays or noises.

Multiple check

A series of checks for common problems like unit not working or poor cooling.

Poor cooling

Troubleshooting steps specifically for insufficient cooling.

7 Service Diagnosis

7.1.Problem Symptoms and Measures

Lists symptoms, check items, and corresponding measures for troubleshooting.

Caution for Diagnosis

Important cautions to consider before performing diagnostic procedures.

Error Codes and Description indoor display

Table of error codes and their descriptions for indoor/outdoor units.

7.2.1 Thermistor or Related Abnormality (indoor unit)

Diagnosis and troubleshooting for indoor thermistor errors.

7.2.2 Indoor fan motor malfunction

Troubleshooting steps for indoor fan motor malfunctions (e.g., E14 error).

7.2.3 IPM protection

Diagnosis and troubleshooting for IPM protection errors.

7.2.4 The IPM and outdoor PCB don’t communicate or Related Abnormality

Troubleshooting communication issues between IPM and outdoor PCB.

7.2.5 Thermistor or Related Abnormality(outdoor unit)

Diagnosis and troubleshooting for outdoor thermistor errors.

7.2.6 Overheat Protection For Exhaust Temperature

Troubleshooting for overheat protection related to exhaust temperature.

7.2.7 The EEPROM Abnormality (Indoor or outdoor unit)

Diagnosis for EEPROM errors in indoor or outdoor units.

7.2.8 Communication error between the indoor and outdoor units

Troubleshooting communication failures between indoor and outdoor units.

7.2.9 High work-intense protection

Troubleshooting for high work-intense protection in heating mode.

7.2.10 Power Supply Over or under voltagve fault

Diagnosis for power supply voltage faults (over or under voltage).

7.2.11 Loop of the station detect error

Troubleshooting for errors related to compressor rotor detection.

7.2.12 Over-current of the compressor

Troubleshooting for compressor over-current issues.

8 Installations

Necessary Tools for Installation

Lists the essential tools required for the installation process.

Accessory parts

Lists and identifies the included accessory parts for installation.

Drawing for the installation of indoor and outdoor units

Diagrams showing the physical placement and connection of units.

Fixing of outdoor unit

Steps for securely mounting the outdoor unit.

Indoor Unit Selection of Installation Place

Criteria for choosing the best location for the indoor unit.

Power Source

Guidelines for connecting the air conditioner to the power source.

Selection of pipe

Information on selecting and preparing the refrigerant pipes.

9.1 Indoor Unit Installation

Procedures for mounting, wall hole prep, and connecting indoor unit.

5.Easily-demount cleaning of indoor unit

Procedure for disassembling the indoor unit for cleaning.

Outdoor unit Installation

Specific instructions for outdoor unit installation.

1.Installation of Outdoor Unit

Steps for installing the outdoor unit.

2.Connection of pipes

How to connect the refrigerant pipes, including torque specs.

3.Connection

Wiring connection steps for the outdoor unit.

4.Attaching Drain-Elbow

Instructions for attaching the drain-elbow fitting.

6.Purging Method:To use vacuum pump

Procedure for purging the system and using a vacuum pump.

1.Power Source Installation

Ensuring correct power source setup for the unit.

2.Cutting and Flaring Work of Piping

Steps for cutting and flaring refrigerant pipes.

3.On Drainage

Proper installation and checking of the drainage system.

Check for Installation and Test Run

Checklist for verifying installation and performing a test run.

9. Removal Procedure

9.1 Removal of Air Filter

Detailed steps for removing the air filter from the indoor unit.

9.2 Removal of Front Grille

Instructions for removing the front grille of the indoor unit.

9.3 Removal of Vertical Blades and Swing Motor

Steps to remove vertical blades and the swing motor assembly.

9.4 Removal of Electrical Box (Indoor Unit)

Procedure for safely removing the electrical box from the indoor unit.

9.5 Removal of Heat Exchanger (Indoor Unit)

Steps for removing the heat exchanger component from the indoor unit.

9.6 Removal of Fan Rotor and Fan Motor (Indoor Unit)

Instructions for removing the fan rotor and motor from the indoor unit.

Removal of Outdoor Panel (HSU-18 HVA103;R2(DB))

Steps for removing the outer panels of the HSU-18HVA103/R2(DB) outdoor unit.

Removal of Electrical Box (Outdoor Unit)

Procedure for removing the electrical box from the outdoor unit.

Removal of the side panel (Outdoor Unit)

Steps to remove the side panel of the outdoor unit.

Removal of the back panel (Outdoor Unit)

Procedure to remove the back panel of the outdoor unit.

Removal of Fan and Fan motor (Outdoor Unit)

Steps for removing the fan and fan motor from the outdoor unit.

Removal of fan motor bracket and partition (Outdoor Unit)

How to remove the fan motor bracket and partition plate.

Removal of compressor and heat exchanger (Outdoor Unit)

Steps to remove the compressor and heat exchanger from the outdoor unit.

Removal of heat exchanger (Outdoor Unit)

Procedure to remove the heat exchanger.

Removal of valve bracket (Outdoor Unit)

Steps to remove the valve bracket.

10. Appendix

10.1 Piping Diagrams

Schematic diagrams illustrating the refrigerant piping for cooling and heating modes.

10.2 Wiring Diagrams Indoor Unit

Wiring diagrams for the indoor unit, showing component connections.

Wiring diagrams Outdoor Unit

Wiring diagrams for the outdoor unit, detailing PCB and component connections.

10.3 Circuit Diagrams

Detailed circuit diagrams for the indoor and outdoor units.

10.3.1 Indoor Unit Circuit Diagrams

Circuit diagram for the indoor unit.

10.3.2 Outdoor Unit Circuit Diagrams

Circuit diagrams for outdoor unit components.