Haier HSU-18LTC/022L(R) User Manual

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Table of Contents

Questions and Answers:

D
David PriceAug 9, 2025
Why is my Haier Air Conditioner not cooling properly?
- D
  Dawn ThorntonAug 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.
D
David BaileyAug 15, 2025
What to do if my Haier HSU-18LTC/022L(R) does not work at all?
- L
  Leslie WernerAug 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.
J
jasondominguezAug 21, 2025
Why is my Haier HSU-18LTC/022L(R) making noise?
- N
  Natalie BurtonAug 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.
L
Lisa AllisonAug 27, 2025
Why does my Haier HSU-18LTC/022L(R) not restart immediately?
- K
  Kristen ChoiAug 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.
F
franciscogreenSep 2, 2025
Why does my Haier HSU-18LTC/022L(R) generate smells?
- T
  tyronedouglasSep 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-18LTC/022L(R) Specifications

General

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

Summary

Cautions

Safety Instructions and Warnings

General safety guidelines for operating the air conditioner.

Operation - Remote Control

Remote Controller Buttons and Display

Explanation of remote controller buttons and display functions.

Operation - Basic Modes

Unit Start and Mode Selection

Operation - Advanced Functions

Timer Operation Settings

How to set, adjust, and confirm timer operations for the unit.

Special Operations

Emergency and Test Operation

Procedures for emergency operation and test runs.

Installation - Site and Power

Selection of Installation Place

Guidelines for choosing the optimal location for unit installation.

Power Source Requirements

Installation - Piping and Tools

Piping Selection and Tools

Indoor and Outdoor Unit Installation Drawing

Installation - Connections and Purging

Fixing the Indoor Unit Body

Connecting Indoor/Outdoor Electric Cable

Instructions for wiring the indoor and outdoor units correctly.

Pipe Connection and Purging

Connecting pipes and removing air from the system.

Installation - Piping Work and Drainage

Cutting and Flaring Work of Piping

Drainage Installation

Trouble Shooting

General Performance Inspection

Checking for common issues like restart delays, noises, and smells.

Troubleshooting Specific Problems

Addressing issues like unit not working, poor cooling, and air filter problems.

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