Malfunction

The followings are not malfunction

Water flowing sound is heard.

Shuru Shuru

When the air conditioner is started, when the compressor starts or stops during operation or when the air conditioner is stopped, it sometimes sounds "shuru shuru" or "gobo gobo". It is the flowing sound of the refrigerant, and it is not a trouble.

Cracking sound is heard.

This is caused by heat expansion or contraction of plastics.

 

It smells.

Air which blows out from the indoor unit sometimes smells.

 

 

The smell results from residents of tobacco smoke or cosmetics

 

stuck inside of unit.

 

During operation,

When the air conditioner is used at restaurant etc. where dense

white fog comes

edible oil fume is always exists, white fog sometimes blows out

out of indoor unit.

of air outlet during operation.

 

 

In this case consult sales dealer for cleaning the heat exchanger.

It is switched into the FAN mode

To prevent frost from being accumulated on the indoor unit heat

during cooling.

exchanger, it is sometimes automatically switched to the FAN mode

 

but it will soon return to the cooling mode.

 

The air conditioner can not be

Even if the operation switch is turned on, cooling, dehumidifying

restarted soon after it stops.

or heating is not operable for three minutes after the conditioner is

Unit does

stopped. Because the protecting circuit is activated.

Wait for

(During this time air conditioner operates in fan

three

not start

minutes

 

mode.)

 

Air does not blow or the fan

When it is excessively cooled during dehumidifying, the blower

speed can not be changed during

automatically repeats reducing and lowering the fan speed.

 

dehumidifying

 

 

During operation, operation mode

Isn't the AUTO mode selected?

 

has changed over automatically.

In the case of AUTO mode, operation mode is changed automati-

 

cally from cooling to heating or vise-versa according to the room

 

temperature.

 

Water or steam generates from

This results when frost accumulated on the outdoor unit is removed

the outdoor unit during heating.

(during defrosting operation).

 

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Haier HDU-42HT03/H installation manual Followings are not malfunction, Water flowing sound is heard
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HDU-42HT03/H specifications

The Haier HDU-42HT03/H is a cutting-edge heating, ventilation, and air conditioning (HVAC) solution designed to provide comfort and efficiency for residential and commercial spaces. This model stands out due to its innovative features, advanced technologies, and reliable performance.

One of the key features of the Haier HDU-42HT03/H is its impressive cooling and heating capacity. With a nominal cooling capacity of 4.2 kW and a heating capacity of 5.0 kW, this model is suitable for medium-sized rooms, ensuring that spaces remain comfortable regardless of outdoor temperatures. Its Inverter technology allows for precise control of the compressor speed, resulting in faster cooling and heating, less energy consumption, and quieter operation.

The unit’s energy efficiency is highlighted by its high SEER (Seasonal Energy Efficiency Ratio) and SCOP (Seasonal Coefficient of Performance) ratings, which contribute to lower electricity bills and reduced environmental impact. The HDU-42HT03/H also features a programmable thermostat, allowing users to set specific heating and cooling schedules, optimizing energy use while maintaining comfort.

For enhanced air quality, the Haier HDU-42HT03/H comes equipped with a multi-stage filtration system that effectively captures dust, allergens, and other airborne particles. This ensures that the air circulated within the space is clean and healthy, making it an excellent choice for individuals with allergies or respiratory issues.

Additional technological advancements in the HDU-42HT03/H include the use of eco-friendly refrigerant, which minimizes its impact on the environment. The model also integrates smart technology, allowing for remote operation via a smartphone application. This feature enables users to control the unit from anywhere, providing added convenience and flexibility.

In terms of design, the Haier HDU-42HT03/H is sleek and modern, allowing it to blend seamlessly into various interior styles. Its compact structure makes it suitable for a variety of installation environments, whether in homes or businesses.

Overall, the Haier HDU-42HT03/H is a top-tier HVAC solution, boasting powerful performance, energy efficiency, and user-friendly features. It is an excellent choice for anyone looking to enhance their indoor climate control with a reliable and effective system.
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