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

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Table of Contents

Questions and Answers:

L
Lauren KennedyAug 9, 2025
Why is my Haier HSU-18LNA/022L(W) not cooling properly?
- G
  gwolfeAug 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.
J
Jeanette StoutAug 15, 2025
What to do if my Haier HSU-18LNA/022L(W) does not work at all?
- J
  Joseph HinesAug 16, 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.
S
Sara HarrisAug 21, 2025
Why is my Haier HSU-18LNA/022L(W) making noise?
- A
  amandaosborneAug 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.
K
Kimberly KelleyAug 27, 2025
Why does my Haier Air Conditioner not restart immediately?
- T
  Thomas JenkinsAug 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.
B
bradleysmithSep 1, 2025
Why does my Haier HSU-18LNA/022L(W) generate smells?
- Y
  Yolanda MorrisSep 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-18LNA/022L(W) Specifications

General

Brand	Haier
Model	HSU-18LNA/022L(W)
Category	Air Conditioner
Language	English

Summary

Safety and Model Information

Safety Instructions and Warnings

Important guidelines for safe operation and maintenance of the air conditioner.

Indoor Unit and Controls

Remote Control Buttons

Details the functions of various buttons on the remote controller.

Remote Control Interface

Remote Controller Buttons and Display

Explains the function of each button and display element on the remote.

Basic Operation Modes

Unit Start and Mode Selection

Steps to start the unit and select operating modes like Cool, Heat, and Dry.

Temperature Setting

Airflow Management

Timer and Airflow Control

Special Operations

Emergency Operation

How to operate the unit when the remote control is lost or defective.

Test Operation

Comfort and Resilience

Power Failure Resume Function

Installation Site and Power

Selection of Installation Place

Criteria for choosing an optimal location for installing the indoor and outdoor units.

Power Source Requirements

Guidelines for connecting the air conditioner to the power supply.

Installation Preparation

Necessary Tools for Installation

Indoor Unit Installation

Indoor Unit Installation Steps

Step-by-step instructions for installing the indoor unit body.

Electrical Wiring

Connecting Indoor/Outdoor Electric Cable

Instructions for removing the wiring cover and connecting the electric cable.

Wiring Before/After Indoor Unit Installation

Outdoor Unit and Piping

Outdoor Unit Installation

Instructions for installing the outdoor unit and connecting pipes.

Purging Method

Piping and Drainage

Cutting and Flaring Work of Piping

Drainage Installation

Maintenance

Cleaning of Air Filter

Filter Maintenance and Usage

Troubleshooting

System Restart and Noise Issues

Addresses problems like delayed restart, swishing, cracking noises, and smells.

Cooling and Operation Problems

Covers issues like unit not working, poor cooling, and mist/steam emission.

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