Haier HSU-18LXA03 User Manual

Haier HSU-18LXA03

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Please read this operation manual before using the air conditioner.

Keep this operation manual for future reference.

SPLIT TYPE ROOM AIR CONDITIONER

OPERATION MANUAL

0010560207

Contents

1

2-4

5

7

6.7

CAUTIONS

PARTS AND FUNCTIONS

OPERATION

MAINTENANCE

TROUBLE SHOOTING

HSU-18LXA03(T3)

AS24ZE1LAA

AS24ZE2LAA

AS24ZE1HAA

HSU-18HXA03(T3)

HST-24LXA13(T3)

HST-24HXA13(T3)

HST-18LXA13(T3)

HST-18HXA13(T3)

HSU-18HXA03

HSU-18LXA03

HSU-12HXA03

HSU-12LXA03

HSU-09HXA03

HSU-09LXA03

HSU-12LZE14

HSU-18LZE14

HSU-09LZE14

AS09ZB1LAA

AS12ZB1HRA

AS09ZB1HRA

AS18ZD3HAA

HSU-18HXAR(R2DB)

HSU-18HZE/R2(DB)-DC inverter

HSU-12HZE/R2(DB)-DC inverter

HSU-09LXA03-Y3HSU-18LXA13(T3)

HSU-18HXA13(T3)

HSU-19CXAG3

HSU-19CXAR5

HSU-19CXAS3

HSU-19CXBW3

HSU-13CXAG3

HSU-13CXAR5

HSU-13CXAS3

HSU-13CXBW3

Table of Contents

Questions and Answers:

I
ivanceJul 31, 2025
Why is my Haier HSU-18LXA03 not cooling well?
- R
  Rebecca PotterJul 31, 2025
  Several factors can cause poor cooling in your Haier Air Conditioner. A dirty air filter, which should be cleaned every 15 days, can restrict airflow. Obstacles blocking the inlet and outlet will also reduce cooling efficiency, so remove any obstructions. Ensure the temperature is set correctly and that all doors and windows are closed. Direct sunlight can also impact cooling, so use curtains to block it. Finally, too many heat sources or people in the room can overwhelm the unit's cooling capacity; try to reduce these.
T
Tyler SweeneyAug 5, 2025
How to restart Haier HSU-18LXA03 Air Conditioner immediately?
- M
  Michele MorrisAug 5, 2025
  When your Haier Air Conditioner is stopped, it won't restart immediately. This is to protect the system and requires waiting for 3 minutes before attempting to restart the unit.
A
Amanda WilliamsAug 10, 2025
Why can't I change the fan speed in dry mode on my Haier Air Conditioner?
- J
  justinmilesAug 10, 2025
  In DRY mode, when the room temperature is lower than the temperature setting +2°C, your Haier Air Conditioner will run intermittently at LOW speed regardless of the FAN setting. This is a normal function.
R
Ruth CantrellAug 15, 2025
Why is my Haier Air Conditioner making noise?
- M
  Michael HowardAug 15, 2025
  Various noises can be normal for your Haier Air Conditioner. A swishing or gurgling sound is often the refrigerant flowing through the system, especially noticeable in the first few minutes after starting. A cracking noise can occur as the casing expands or shrinks due to temperature changes. However, a big noise from airflow may indicate a dirty air filter, which should be checked and cleaned.
K
Kylie WilliamsAug 19, 2025
Why does my Haier Air Conditioner smell?
- T
  Taylor Pennington DVMAug 19, 2025
  Your Haier Air Conditioner might circulate odors from interior sources like furniture, paint, or cigarettes. To address this, consider improving air circulation or using air fresheners.
S
Sheri ManningAug 25, 2025
What to do if my Haier HSU-18LXA03 Air Conditioner blows mist?
- F
  floresveronicaAug 26, 2025
  During COOL or DRY operation, your Haier Air Conditioner may blow out mist due to the sudden cooling of indoor air. This is a normal occurrence.

Haier HSU-18LXA03 Specifications

General

Compressor Type	Rotary
Refrigerant	R32
Type	Split
Capacity	1.5 Ton
Power Consumption (Heating)	1500 W
Cooling Capacity	5200 W
Power Supply	220-240V, 50Hz
Outdoor Unit Noise Level	50 dB

Summary

Parts and Functions

Indoor Unit Components

Identifies and describes parts of the indoor unit for user understanding.

Remote Controller Overview

Details buttons and displays on the remote controller for operation.

Operation Guide

Unit Start/Stop and Temperature Setting

Instructions for basic unit activation and temperature adjustment.

Air Flow Direction Adjustment

How to control the direction of air output from the unit.

Operational Cautions and Battery Loading

Important warnings during operation and remote battery installation.

Timer Functions

Setting on/off timers for unit operation control.

Turbo and Quiet Operations

Using special modes for rapid cooling/heating or quiet running.

Emergency and Test Operations

Procedures for manual operation and testing when remote is lost.

Comfortable Sleep Mode

Explains the automatic temperature adjustment for comfortable sleep.

Healthy Airflow Adjustment

How to set airflow for improved air quality and comfort.

Maintenance and Cleaning

General Care and Usage Tips

Advice on room conditions, timer use, louvers, and power management.

Cleaning Procedures and Filter Replacement

Steps for cleaning the unit and replacing air filters.

Safety Cautions

Installation and Electrical Warnings

Essential safety warnings regarding installation and electrical connections.

Usage and Environmental Precautions

Precautions for safe usage, placement, and environmental factors.

Trouble shooting

Normal Performance Inspection

Checks for common phenomena like no restart, noise, smells, mist.

Multiple Checks for Poor Cooling

Checks for fuse, filter, obstacles, settings, open windows, sunlight, heat sources.

Applicable Ambient Temperature Range

Cautions about operating temperature limits for different models.

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