Haier HSU-18LTF/022L(W) User Manual

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Table of Contents

Questions and Answers:

M
Michelle CollinsAug 9, 2025
Why is my Haier HSU-18LTF/022L(W) not cooling properly?
- S
  Sarah WattsAug 9, 2025
  Poor cooling in your Haier Air Conditioner can stem from several factors. First, ensure the air filter is clean. Obstacles blocking the inlet and outlet can also hinder performance, so clear them away. Verify that the temperature is set correctly and that all doors and windows are closed. Direct sunlight can impact cooling efficiency, so use curtains to block it. Finally, consider reducing heat sources or the number of people in the room.
A
Ashley CobbAug 15, 2025
What to do if my Haier HSU-18LTF/022L(W) does not work at all?
- R
  Robin MckeeAug 15, 2025
  If your Haier Air Conditioner isn't working, start by checking if the power plug is properly inserted. Then, check to see if there is a power failure in your location. Finally, inspect the fuse to ensure it hasn't blown out.
A
Autumn RothAug 21, 2025
Why is my Haier HSU-18LTF/022L(W) making noise?
- L
  larryjohnsonAug 21, 2025
  A swishing or gurgling noise from your Haier Air Conditioner during operation or after stopping is normal, caused by refrigerant flow, especially noticeable in the first few minutes after starting. A cracking noise during operation can be due to the casing expanding or shrinking with temperature changes. However, a big noise from airflow may indicate a dirty air filter, which should be cleaned or inspected.
E
Emily JuarezAug 27, 2025
Why does my Haier HSU-18LTF/022L(W) not restart immediately?
- K
  Kayla RodriguezAug 27, 2025
  When your Haier Air Conditioner is stopped, it won't restart immediately for about 3 minutes. This is a protection mechanism. If you unplug and re-plug the unit, this protection circuit activates for 3 minutes to safeguard the air conditioner.
T
taylorreginaSep 2, 2025
Why does my Haier Air Conditioner generate smells?
- R
  Richard Smith DVMSep 2, 2025
  If your Haier Air Conditioner is generating smells, it's likely circulating odors from the room, such as those from furniture or cigarettes. You should investigate the source of these smells.

Haier HSU-18LTF/022L(W) Specifications

General

Model	HSU-18LTF/022L(W)
Type	Split Air Conditioner
Capacity	1.5 Ton
Cooling Capacity	18000 BTU/h
Cooling Capacity (kW)	5.3 kW
Heating Capacity (kW)	5.3 kW
Weight (Outdoor)	32 kg
Color	White
Air Flow (Indoor)	850 m³/h
Energy Efficiency Ratio (Heating)	3.5
Power Supply	220-240V/50Hz
Refrigerant	R32
Outdoor Unit Dimensions (L x W x H)	800 x 333 x 554 mm
Weight (Indoor)	9 kg
Noise Level (Indoor)	42 dB
Operating Temperature (Cooling)	18°C to 43°C
Indoor Unit Weight	9 kg

Summary

Cautions

Safety Instructions and Warnings

Important observations for assembly, operation, and maintenance.

Operation

Remote Controller Buttons and Display

Explanation of remote control buttons and their functions on the LCD.

Cool, Heat, and Dry Modes

Operation

Remote Controller Usage

Fan Speed and Airflow Adjustment

Emergency and Test Operation

Emergency and Test Operation Procedures

How to operate the unit manually using emergency switches for testing or control loss.

Installation

Installation Place and Power Source

Guidelines for selecting an appropriate installation location and power source requirements.

Outdoor Unit and Pipe Connection

Connecting the outdoor unit, pipes, and drain elbow, including purging.

Installation

Indoor Unit Mounting and Removal

Electrical Cable Connection and Wiring Cover

Piping Work and Drainage

Maintenance

Air Filter and Electrostatic Filter Cleaning

Trouble Shooting

Common Operation Issues and Checks

Troubleshooting common problems like non-restart, noise, and smells.

Comprehensive System Checks

Further troubleshooting steps for issues like unit not working or poor cooling.

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