Haier HSU-12LNA/022L(W) User Manual

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Table of Contents

Questions and Answers:

S
Suzanne PriceAug 4, 2025
Why is my Haier Air Conditioner not cooling properly?
- A
  Ashley JensenAug 4, 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.
M
Mark FernandezAug 10, 2025
What to do if my Haier Air Conditioner does not work at all?
- L
  lorifreemanAug 10, 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
Susan HayesAug 16, 2025
Why is my Haier Air Conditioner making noise?
- D
  David SimmonsAug 16, 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.
M
Martha PadillaAug 22, 2025
Why does my Haier HSU-12LNA/022L(W) Air Conditioner not restart immediately?
- M
  mlopezAug 22, 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.
M
Matthew Gonzalez Jr.Aug 29, 2025
Why does my Haier HSU-12LNA/022L(W) Air Conditioner generate smells?
- W
  willie58Aug 29, 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-12LNA/022L(W) Specifications

General

Cooling Capacity	12000 BTU/h
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Type	Split
Power Consumption (Cooling)	1.1 kW
Indoor Unit Weight	9 kg
Outdoor Unit Weight	28 kg
Operating Temperature (Cooling)	18°C to 43°C

Summary

Cautions

Safety Instructions and Warnings

Read safety instructions carefully before operating the air conditioner.

Parts and Function

Indoor Unit

Explains the components and features of the indoor unit.

Specifications

Operation

Remote Controller Operation

Describes buttons and display functions of the remote controller.

Cool, Heat, and Dry Operation

Provides recommendations for using Cool, Heat, and Dry modes effectively.

Timer Operation

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

Airflow Position

Details how to adjust the vertical and horizontal airflow direction.

Emergency and Test Operation

Covers emergency and test modes for the air conditioner.

Sleep Mode and Power Failure Resume

Explains the sleep mode function and power failure resume feature.

Installation

Selection of Installation Place

Guidelines for choosing an optimal location for unit installation.

Power Source and Piping

Covers power source requirements and pipe selection for installation.

Indoor Unit Installation

Instructions for mounting and fixing the indoor unit body.

Outdoor Unit Installation and Connection

Details for installing the outdoor unit, connecting pipes, and purging.

Maintenance

Cleaning Unit Casing and Remote Controller

How to clean the exterior of the unit and the remote control.

Air Filter and Electrostatic Filter Cleaning

Instructions for cleaning and replacing air and electrostatic filters.

Better Use of Air Conditioner

General Usage Tips

Tips for efficient operation, temperature control, and timer use.

Trouble Shooting

Performance Checks and Common Issues

Guides on identifying and resolving common operational problems and noises.

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