Haier HSU-18HVA103/R2(DB) User Manual

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

Haier HSU-18HVA103/R2(DB) Specifications

General

Type	Split AC
Capacity	1.5 Ton
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Weight (Outdoor Unit)	32 kg
Operating Temperature (Heating)	-7-24°C
Noise Level (Indoor Unit)	42 dB
Noise Level (Outdoor Unit)	54 dB
Operating Temperature (Cooling)	18-43 °C

Summary

Introduction

Safety Cautions

Provides essential safety precautions to be observed before conducting repair work.

Caution in Repair

Details specific warnings and cautions to follow during repair procedures to prevent accidents.

Cautions Regarding Products after Repair

Highlights important safety considerations and warnings for the product after repair work has been completed.

Inspection after Repair

Provides guidelines and checks to perform after the repair work is completed to ensure safety and functionality.

Using Icons

Explains the meaning of various icons used throughout the manual to convey specific information.

Using Icons List

Lists and describes the icons used in the manual, their type of information, and their meaning.

List of Functions

Specifications

Printed Circuit Board Connector Wiring Diagram

Indoor unit Connectors

Details the connectors and their functions for the indoor unit's printed circuit board (PCB).

outdoor unit

Provides wiring diagrams and connector details for the outdoor unit's printed circuit boards (PCBs).

HSU-18HVA103/R2（DB）unit

Specific connector details for the HSU-18HVA103/R2(DB) model's outdoor unit PCBs.

HSU-22HVA103/R2（DB）unit

Specific connector details for the HSU-22HVA103/R2(DB) model's outdoor unit PCBs.

Functions and Control

Main functions and control specification of indoor unit

Details the main functions and control specifications for the indoor unit of the air conditioner.

Temperature Adjusting function

Explains how the temperature is adjusted and maintained during different operating modes.

Select the wind volume when it is set automatic

Describes how to select wind volume automatically based on temperature adjusting levels.

Wind volume limit

Specifies the limits for indoor fan motor speed and frequency control for different wind volumes.

Main functions

Covers the main operational functions of the air conditioner unit.

Warm boot

Explains the warm boot function for controlling fan speed during heating or frost removal.

When the compressor stops and remains idle for 3 minutes

Details the fan motor behavior when the compressor stops and remains idle for a specific period.

High Work-intense protection control

Describes the protection control mechanism activated by high heat-exchange temperatures during heating.

Low Work-intense protection control

Details the protection control activated by heat-exchange temperatures during cooling/moisture removal.

Dehumidification running

Explains the operation of the unit during dehumidification mode, including fan motor and wind volume.

Automatic running

Describes how the unit automatically selects operation mode based on room and set temperatures.

Special functions

Outlines special operational modes and features of the air conditioner.

Powerful running

Details the 'Powerful running' mode for rapid heating or cooling, including its duration and limitations.

Silent running

Explains the 'Silent running' mode for quiet operation, focusing on wind volume control.

Air cleaning

Describes the air cleaning function, including the operation of the ion generator and fan motor.

Timed running

Explains how to set and use the timer function for automatic operation scheduling.

Sleeping function

Details the 'Sleeping function' which adjusts temperature and fan speed for comfortable sleep.

Trial running

Describes the 'Trial running' mode, its duration, and how it is initiated or terminated.

Power failure compensation

Explains the power failure compensation feature that allows the unit to resume previous settings.

Rated Operation

Defines 'Rated Operation' for cooling and heating, specifying how the unit performs these operations.

Main functions and control specification of outdoor unit

Outdoor Unit Operation Frequency and Control

Explains the compressor operation frequency ranges and control logic for various conditions.

Outdoor fan control

Describes how the outdoor fan speed is controlled during compressor startup and operation.

Four-way Valve Control

Explains the function and operation of the four-way valve in different modes.

Outdoor Defrosting Control

Details the conditions and logic for activating the outdoor defrosting cycle.

PTC Output Control

Describes the control logic for the PTC output, its values, and timing.

System Protection Function

Covers various system protection functions implemented in the air conditioner unit.

3 minutes stand-by time

Explains the 3-minute stand-by time feature to ensure proper compressor restart and valve operation.

TD High Temperature Protections

Details the high temperature protection mechanisms related to TD (air discharge temperature).

Indoor Heat Exchanger Anti-freeze Protection

Describes the anti-freeze protection for the indoor heat exchanger during cooling operations.

Outdoor Temperature Limit

Specifies the operational limits based on outdoor temperature for cooling and heating modes.

Special Features

Highlights special features like Forced Cooling and capacity operation modes.

Fault Display and Treatment

Explains how faults are displayed and the general approach to treating them.

Function of Main Thermistor

Outdoor Suction Temperature Sensor

Describes the function of the outdoor suction temperature sensor in controlling discharge temperature.

Exhaust Temperature Sensor

Explains the function of the discharge pipe thermistor in monitoring and controlling discharge pipe temperature.

Indoor heat-exchange sensor

Details the function of the indoor heat exchanger thermistor for temperature control and freeze prevention.

Value of Thermistor

intdoor Unit

Lists thermistor resistance values for the indoor unit's room sensor at various temperatures.

Outdoor Unit

Lists thermistor resistance values for outdoor unit sensors (Ambient, Suction, Defrosting).

System Configuration

System Configuration

Details the steps for system configuration and proper handling of the air conditioner post-installation.

Instruction

Contains important instructions, safety guidelines, and warnings for the user.

Cautions

Provides crucial cautions regarding disposal of old units, packaging, and general operation safety.

Safety Instructions and Warnings

Lists safety instructions and warnings that must be read before operating the air conditioner.

Specifications

Lists applicable ambient temperature ranges for cooling and heating modes.

Cautions

Additional cautions covering operating conditions, power supply, and disposal of batteries.

Safety Instruction

Provides safety instructions classified by warning and caution levels for installation.

Installation

Details essential safety precautions and warnings related to the installation process.

WARNING

Emphasizes critical warnings for operation, power supply, and repair safety.

CAUTION

Provides cautionary advice on usage, storage, and placement of the unit.

Parts and Functions

Indoor unit

Diagrams and labels for the components and features of the indoor unit.

Outdoor unit

Diagrams and labels for the components and features of the outdoor unit.

Remote controller

Details the buttons and displays of the remote controller for operating the air conditioner.

Operation

Unit start

Instructions on how to start the air conditioner unit using the remote controller.

Health anion function

Describes how to activate and use the health anion function for air purification.

Select operation mode

Explains how to select different operation modes like Auto, Cool, Dry, Fan, Heat.

Fan speed selection

Details how to select fan speed (Low, Medium, High, Auto) for the unit.

Unit stop

Instructions on how to stop the air conditioner unit.

Select temp.setting

Explains how to set the desired temperature for cooling operation.

Select temp.setting

Explains how to set the desired temperature for dry operation.

Select temp.setting

Explains how to set the desired temperature for heat operation.

Air Flow Direction Adjustment

Explains how to adjust the air flow direction using the remote controller.

Status display of air sending

Shows the status display for air sending on the remote controller.

Up and down air flow direction

Details how to adjust the vertical flap for air flow direction in different modes.

Left and right air flow direction

Details how to adjust the horizontal louvers for air flow direction.

Sleep Operation

Explains how to use the 'Sleep Operation' mode for comfortable sleep.

In COOL,DRY mode

Details sleep operation in COOL/DRY modes, including temperature adjustments.

In HEAT mode

Details sleep operation in HEAT mode, including temperature adjustments.

In AUTO mode

Describes sleep operation in AUTO mode, adapting to the selected operation mode.

In FAN mode

States that FAN mode does not have a sleep function.

Set the wind speed change when sleeping

Explains how to adjust wind speed before sleeping.

Note to the power failure resume:

Provides notes on power failure resume and its interaction with timer settings.

Timer On/Off Operation

Details how to set and cancel timer operations for the unit.

After unit starts, select your desired operation mode

Guides on selecting operation mode before setting timer operations.

Timer mode selection

Explains how to select timer modes (ON, OFF, ON-OFF).

Time setting

Details how to set the timer duration using the HOUR button.

Confirming your setting

Explains how to confirm timer settings using the SET button.

Cancel TIMER mode

Describes how to cancel the timer mode.

Timer confirming for TIMER ON

Confirms the TIMER ON setting and explains the time display.

Time setting for TIMER OFF

Details how to set the timer for TIMER OFF.

Time confirming for TIMER OFF

Confirms the TIMER OFF setting and explains the time display.

To cancel TIMER mode

Explains how to cancel the TIMER mode.

POWER/SOFT Operation

Explains the POWER and SOFT operation modes for rapid cooling/heating or quiet operation.

POWER Operation

Details the POWER operation mode, including its effects on fan speed and temperature distribution.

SOFT Operation

Details the SOFT operation mode, focusing on quiet operation and fan speed.

Health airflow Operation

Describes the 'Health airflow' function and how to set it.

Press ON/OFF to starting

Instructions on how to start the unit and the initial display status.

The setting of health airflow function

Explains how to set the health airflow function and its effect on airflow direction.

The cancel of the health airflow function

Details how to cancel the health airflow function.

Emergency and Test Operation

Covers emergency and test operation modes, including their activation and termination.

Emergency operation:

Details the emergency operation mode, used when the remote controller is lost or defective.

Test operation:

Explains the test operation mode, its conditions of use, and duration.

Removal of the restriction of emergency or test operation

Describes how to terminate emergency or test operation and return to normal mode.

Maintenance

For Smart Use of The Air Conditioner

Offers tips for smart usage of the air conditioner to ensure efficiency and proper function.

Setting of proper room temperature

Advice on setting the appropriate room temperature for efficient operation.

Do not block the air inlet or outlet

Warning against blocking the air inlet or outlet to ensure proper airflow.

Close doors and windows during operation

Recommendation to close doors and windows during operation to maintain efficiency.

Use the timer effectively

Guidance on effectively using the timer function for energy saving and convenience.

If the unit is not to be used for a long time, turn off the power supply main switch.

Instruction to turn off the main power switch if the unit is unused for an extended period.

Use the louvers effectively

Advice on effectively using the louvers for optimal air distribution.

WARNING

Crucial warnings regarding cleaning the remote controller and indoor body.

Remote Controller

Instructions for cleaning the remote controller safely and effectively.

Indoor Body

Guidance on cleaning the indoor unit body using soft cloths and mild detergent.

Do not use the following for cleaning

Lists substances that should not be used for cleaning the air conditioner unit.

Air Filter cleaning

Step-by-step instructions for cleaning the air filter of the unit.

Open the Inlet Grille

Step 1: Open the inlet grille by pushing upwards.

Detach the standard air filter

Step 2: Release the filter by sliding the knob and withdrawing it.

Attach old Air Purifying Filter

Step 3: Insert air purifying filter appliances into the filter frames.

Attach the standard air filter

Step 4: Necessary installation step for attaching the standard air filter.

Close the Inlet Grille

Step 5: Close the inlet grille securely after filter replacement.

NOTE:

Notes regarding the use and maintenance of photocatalyst and bacteria-killing air filters.

To Keep Your Air conditioner in Good Condition after Season.

Guidance on preparing the air conditioner for storage after the season.

Operate in cooling mode for 2-3 hours.

Operation in cooling mode for 2-3 hours to prevent mold or bad smell.

Put off the power supply cord.

Instruction to disconnect the power supply cord after use.

Cleaning the body.

Guidance on cleaning the body of the air conditioner.

Take out the batteries from the wireless remote controller.

Instruction to remove batteries from the remote controller when not in use.

Before Setting in High season

Preparation steps before using the air conditioner during the high season.

Cleaning the standard air filter.

Instruction to clean the standard air filter before high season use.

Connecting the earthing cable.

Guidance on connecting the earthing cable for electrical safety.

Do not block the air inlet or outlet.

Warning to avoid blocking air inlets or outlets for proper operation.

Plug-in

Instructions for plugging in the unit, including safety precautions.

Trouble shooting

Normal Performance inspection

Checks related to normal performance issues like non-restart, noise, smells, or mist.

Multiple check

Checks for multiple issues, including unit not working, poor cooling, etc.

Service Diagnosis

Problem Symptoms and Measures

Lists symptoms, check items, and measures for diagnosing and resolving problems.

Caution for Diagnosis

Important cautions to be observed during the diagnosis process.

Trouble Shooting

Details troubleshooting steps for various error codes and malfunctions.

Thermistor or Related Abnormality (indoor unit)

Troubleshooting for indoor unit thermistor errors (E1, E2) and related abnormalities.

Indoor fan motor malfunction

Troubleshooting for indoor fan motor malfunction (E14), including diagnostic steps.

IPM protection

Troubleshooting for IPM protection errors, including checks and potential solutions.

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

Troubleshooting for communication errors between IPM and outdoor PCB.

Thermistor or Related Abnormality(outdoor unit)

Troubleshooting for outdoor unit thermistor errors (F21, F25, F6).

Overheat Protection For Exhaust Temperature

Troubleshooting for overheat protection related to exhaust temperature (F4).

The EEPROM Abnormality (Indoor or outdoor unit)

Troubleshooting for EEPROM errors (E4, F12) in indoor or outdoor units.

Communication error between the indoor and outdoor units

Troubleshooting for communication errors (E7) between indoor and outdoor units.

High work-intense protection

Troubleshooting for high work-intense protection (E9) during heating mode.

Power Supply Over or under voltagve fault

Troubleshooting for power supply over or under voltage faults (F19).

Loop of the station detect error

Troubleshooting for errors related to compressor rotor detection (LED1 flash 19 times).

Over-current of the compressor

Troubleshooting for over-current issues with the compressor (LED1 flash 24 or 25 times).

Installations

Necessary Tools for Installation

Lists the essential tools required for the proper installation of the air conditioner.

Accessory parts

Lists the accessory parts included with the air conditioner unit for installation.

Drawing for the installation of indoor and outdoor units

Illustrates the installation layout for both indoor and outdoor units.

Optional parts for piping

Lists optional parts required for piping installation and their corresponding marks.

Arrangement of piping directions

Diagrams showing the correct arrangement of piping directions for installation.

Fixing of outdoor unit

Instructions on how to securely fix the outdoor unit to its mounting base.

Indoor Unit Selection of Installation Place

Guidelines for selecting the optimal installation location for the indoor unit.

Outdoor Unit Selection of Installation Place

Guidelines for selecting the optimal installation location for the outdoor unit.

Power Source

Information and precautions regarding the power source connection for the unit.

Selection of pipe

Details on pipe selection, insulation, and specifications for the air conditioner.

Indoor unit

Fitting of the Mounting Plate and Positioning of the wall Hole

Instructions for fitting the mounting plate and positioning the wall hole.

When the mounting plate is first fixed

Steps for fixing the mounting plate when it is installed first.

When the mounting plate is fixed side bar and lintel

Instructions for fixing the mounting plate using a side bar and lintel.

Making a Hole on the Wall and Fitting the Piping Hole Cover

Steps for making a wall hole and fitting the piping hole cover.

Installation of the Indoor Unit

Details on the installation of the indoor unit, including pipe drawing and connections.

Drawing of pipe

Illustrates the drawing of pipes for indoor unit installation (Rear and Left-Left-rear piping).

Connecting the indoor/outdoor Electric Cable

Instructions for connecting the electric cable between indoor and outdoor units.

Fixing the indoor unit body

Steps for securely fixing the indoor unit body onto the mounting plate.

Removing the wiring cover

Procedure for removing the wiring cover on the indoor unit.

[Other direction piping]

Details on piping installation for different directions (left, other).

When connecting the cable before installing the indoor unit

Instructions for connecting the cable before installing the indoor unit.

Easily-demount cleaning of indoor unit

Instructions for easily disassembling the indoor unit for cleaning purposes.

Top inlet can be taken down

Step 1: How to remove the top inlet of the indoor unit.

Vertical flap can be taken down

Step 2: How to remove the vertical flap of the indoor unit.

Horizontal louvers can be taken down

Step 3: How to remove the horizontal louvers after removing the vertical flap.

Outdoor unit

Installation of Outdoor Unit

General instructions for installing the outdoor unit.

Connection of pipes

Details on connecting the refrigerant pipes, including diameter and torque specifications.

Connection

Instructions for connecting the electrical terminals of the outdoor unit.

Attaching Drain-Elbow

Guidance on attaching the drain-elbow for proper drainage.

Purging Method:To use vacuum pump

Step-by-step guide on using a vacuum pump for purging the system.

CAUTION:

Important cautions regarding refrigerant handling and system integrity.

Power Source Installation

Instructions for installing the power source, including circuit breaker and earth leakage breaker.

Cutting and Flaring Work of Piping

Details on cutting and flaring the piping, including correct and incorrect methods.

On Drainage

Instructions and checks for proper drainage installation and function.

Check for Installation and Test Run

Check items for installation and test run to ensure proper setup and operation.

Removal Procedure

Removal of Air Filter

Step-by-step guide for removing the air filter from the indoor unit.

Removal of Front Grille

Instructions for removing the front grille of the indoor unit.

Removal of Vertical Blades and Swing Motor

Procedure for removing the vertical blades and swing motor from the indoor unit.

Removal of Electrical Box

Step-by-step guide for removing the electrical box from the indoor unit.

Removal of Heat Exchanger

Procedure for removing the heat exchanger from the indoor unit, with cautions.

Removal of Fan Rotor and Fan Motor

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

Loosen the fixing screws and lift the fan motor bracket.

Loosening the fixing screws and lifting the fan motor bracket.

Loosen the fixing screws

Loosening screws to remove the partition plate.

The partition plate has a hook on the lower side lift and pull the partition plate to remove

Removing the partition plate by lifting and pulling it via its lower hook.

Removal of compressor and heat exchanger

Procedure for removing the compressor and heat exchanger.

Loosen the marked screw.

Step 1: Loosen the marked screw.

Cut down the connecting pipe and pull out the compressor and remove the valve bracket.

Step 2: Cut connecting pipe, pull out compressor and remove valve bracket.

Loosen the marked fixing screw.

Step 3: Loosen the marked fixing screw.

Loosen the fixing hook and remove the heat exchanger.

Step 4: Loosen fixing hook and remove the heat exchanger.

Removal of Outdoor panel

Procedure for removing the outdoor unit panel for access to internal components.

Features

Initial steps for panel removal, focusing on the stop valve cover.

Remove the panels

Steps for removing service covers and the top panel of the outdoor unit.

Loosen the screws of the panel.

Instructions for loosening screws to remove the side panel of the outdoor unit.

Pull and remove the front panel.

Procedure for pulling and removing the front panel of the outdoor unit.

Remove the outlet grille

Instructions for removing the outlet grille by unscrewing and releasing hooks.

Removal of Electrical Box

Procedure for removing the electrical box from the outdoor unit.

Remove the fixing screws

Step 1: Remove fixing screws and lift the electrical box.

Removal of the side panel

Procedure for removing the side panel of the outdoor unit.

Loosen the fixing screw and remove the side panel

Loosening the fixing screw and removing the side panel.

remove the back panel

Procedure for removing the back panel of the outdoor unit.

Removal of Fan and Fan motor

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

Loosen the fixing screw and remove the fan

Step: Loosen the fixing screw and remove the fan.

Loosen the fixing screws and lift the fan motor bracket.

Loosening the fixing screws and lifting the fan motor bracket.

loosen the fixing screw lift and pull the partion plate to remove

Loosen fixing screw, lift and pull partition plate to remove.

remove the heat exchanger

Procedure to remove the heat exchanger.

Appendix

Piping Diagrams

Illustrates the piping diagrams for cooling and heating modes.

Cooling mode

Piping diagram for the cooling mode of operation.

Heating mode

Piping diagram for the heating mode of operation.

Wiring Diagrams

Presents wiring diagrams for the indoor unit of the air conditioner.

Indoor Unit

Wiring diagram for the indoor unit HSU-18HVA103/R2(DB).

HSU-22HVA103/R2(DB)

Wiring diagram for the indoor unit HSU-22HVA103/R2(DB).

Outdoor Unit

Wiring diagrams for the outdoor units HSU-18HVA103/R2(DB) and HSU-22HVA103/R2(DB).

HSU-18HVA103 /R2(DB)

Outdoor unit wiring diagram for HSU-18HVA103/R2(DB).

HSU-22HVA103 /R2(DB)

Outdoor unit wiring diagram for HSU-22HVA103/R2(DB).

Circuit Diagrams

Contains circuit diagrams for various components of the air conditioner.

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

Circuit diagram for the indoor unit HSU-18,22HVA103/R2(DB).

OUTDOORUNIT

Circuit diagrams for the outdoor unit components.

module board Circuit Diagrams(HSU-18,22HVA103/R2(DB))

Circuit diagram for the module board of the outdoor unit HSU-18,22HVA103/R2(DB).

HSU-18HVA103/R2 ( DB ) control board Circuit Diagrams

Circuit diagram for the control board of the HSU-18HVA103/R2(DB) outdoor unit.

HSU-22HVA103/R2 ( DB ) filter board Circuit Diagrams

Circuit diagram for the filter board of the HSU-22HVA103/R2(DB) unit.