Haier AS20S2SF1FA-MW3 User Manual

Haier AS20S2SF1FA-MW3

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Please read this operation manual before using the air conditioner.

Keep this operation manual for future reference.

AS20S2SF1FA-MW3

AS25S2SF1FA-MW3

AS35S2SF1FA-MW3

AS42S2SF1FA-MW3

AS50S2SF1FA-MW3

AS71S2SF1FA-MW3

AS20S2SF1FA-MB3

AS25S2SF1FA-MB3

AS35S2SF1FA-MB3

AS42S2SF1FA-MB3

AS50S2SF1FA-MB3

AS71S2SF1FA-MB3

Nederlands

Nederlands

OPERATION MANUAL

SPLIT TYPE ROOM AIR CONDITIONER

Table of Contents

Questions and Answers:

P
Patricia BradshawAug 5, 2025
Why is my Haier Air Conditioner cooling poorly?
- H
  Hector AndersonAug 6, 2025
  There are several reasons why your Haier Air Conditioner might not be cooling effectively. First, check if the air filter is dirty and clean it, ideally every 15 days. Make sure there are no obstructions blocking the air inlet or outlet. Verify that the temperature is set correctly. Ensure all doors and windows are closed. If direct sunlight is entering the room, use curtains to block it. Finally, consider if there are too many heat sources or people in the room.
W
William HarperAug 11, 2025
What to do if my Haier AS20S2SF1FA-MW3 Air Conditioner doesn't restart immediately?
- D
  debra40Aug 11, 2025
  When your Haier Air Conditioner is stopped, it will not restart immediately for about 3 minutes. This delay protects the system. Similarly, if the unit's plug is pulled out and reinserted, the protection circuit will activate for 3 minutes.
S
Sandra GomezAug 17, 2025
Why does my Haier AS20S2SF1FA-MW3 make so much noise?
- L
  Lonnie HensleyAug 17, 2025
  Your Haier Air Conditioner may produce swishing or gurgling noises during operation or when stopping, especially in the first few minutes after starting; this is normal and caused by refrigerant flowing through the system. A cracking noise during operation is also normal, resulting from the casing expanding or shrinking due to temperature changes. However, if there's a loud noise from airflow, the air filter might be too dirty.
R
Robert PattersonAug 23, 2025
Why is mist or steam blowing out of my Haier AS20S2SF1FA-MW3?
- A
  Alan HughesAug 23, 2025
  During COOL or DRY operation, your Haier Air Conditioner might blow out mist due to the sudden cooling of the indoor air.
H
hallenAug 28, 2025
How to change the fan speed in dry mode on a Haier AS20S2SF1FA-MW3 Air Conditioner?
- A
  Amy EscobarAug 28, 2025
  In DRY mode, when the room temperature is lower than the set temperature plus 2 degrees Celsius, the Haier Air Conditioner will run intermittently at LOW speed, regardless of the fan setting.

Haier AS20S2SF1FA-MW3 Specifications

General

Refrigerant	R32
Power Supply	220-240V, 50Hz
Type	Split
Operating Temperature (Cooling)	18-43 °C
Operating Temperature (Heating)	-7-24 °C

Summary

Parts and Functions

Wi-Fi Function Description

Describes the Wi-Fi connectivity and app usage for the air conditioner.

Indoor Unit Components

Details the components and display board of the indoor unit.

Remote Controller Overview

Explains the layout and functions of the remote controller buttons.

Outdoor Unit Components

Identifies the main parts of the outdoor unit.

Operation Modes and Functions

QUIET Operation

Explains how to use the QUIET function for silent operation.

COOL, HEAT, and DRY Operation

Details how to select and use COOL, HEAT, and DRY operating modes.

Temperature and FAN Operation

Details how to adjust temperature and fan speed settings.

ECOPILOT and Health Airflow

Explains ECOPILOT for energy saving and Health Airflow for comfort.

Human Sensing Function

Describes the human sensing function for automatic airflow adjustment.

SWING and TIMER Operation

Explains SWING for airflow direction and TIMER for scheduling.

Comfortable SLEEP Mode

Explains how to use the SLEEP mode for comfortable sleeping.

SMART and Steri Clean Operations

Details SMART mode and Steri Clean for hygiene.

ON/OFF, Test, and Health Operations

Covers basic controls, diagnostics, and UV sterilization.

Battery Loading

Instructions on how to load the battery into the remote controller.

Indoor Unit Installation Guide

Installation Preparation

Lists required tools, power source needs, and location selection.

Mounting Plate and Wall Hole

Instructions for fitting the mounting plate and locating wall holes.

Piping and Cable Connections

Details on making holes, fitting covers, and connecting cables.

Drainage and Test Run Checks

Ensuring proper drainage and performing installation test runs.

Maintenance and Care

Smart Use Tips

Provides tips for smart operation and efficient use of the air conditioner.

Air Filter Cleaning

Instructions on how to clean the air filter of the unit.

Air Purifying Filter Replacement

Details the process for replacing the air purifying filter.

Cautions and Warnings

Critical Warnings

Lists critical warnings regarding installation and operation safety.

Important Cautions

Provides important cautions for safe operation and maintenance.

Trouble Shooting Guide

Normal Performance Issues

Addresses common issues related to normal unit performance.

Smells and Mist/Steam Issues

Explains potential causes for smells and mist/steam from the unit.

Dry Mode Fan Speed

Explains fan speed behavior specifically in DRY mode.

General Troubleshooting Checks

Lists various checks for troubleshooting unit operation issues.

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