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-42CF03/H installation manual Followings are not malfunction

HDU-42CF03/H specifications

Haier HDU-42CF03/H is a cutting-edge air conditioning unit designed to provide optimal cooling and heating solutions for both residential and commercial spaces. Renowned for its innovative features and advanced technologies, this model stands out in the competitive HVAC market.

One of the main features of the Haier HDU-42CF03/H is its impressive cooling capacity of 4.2 kW, making it suitable for medium to large-sized rooms. This capacity allows the unit to maintain a comfortable indoor environment even during the hottest summer months. Additionally, it comes equipped with a heating function, ensuring that users can stay warm during colder seasons, thus providing year-round climate control.

The HDU-42CF03/H incorporates advanced inverter technology. This feature allows the air conditioner to adjust its compressor speed based on the indoor temperature, leading to more efficient power consumption. By maintaining a consistent temperature without unnecessary fluctuations, the inverter technology not only enhances comfort but also reduces energy bills, making it a cost-effective choice for consumers.

Another notable characteristic of this model is its quiet operation. With noise levels as low as 30 dB, the Haier HDU-42CF03/H ensures a peaceful environment, making it ideal for bedrooms, offices, or any space where noise reduction is a priority. This feature is particularly appealing to users who value tranquility while enjoying a comfortable climate.

The unit also features a user-friendly remote control system that allows for easy adjustments from a distance. The intuitive settings enable users to switch between modes, set timers, and modify temperatures without hassle. Furthermore, it includes a programmable timer, giving residents the flexibility to schedule cooling and heating times according to their routines.

In terms of air quality, the Haier HDU-42CF03/H is equipped with a multi-layer filtration system, which effectively removes dust, allergens, and pollutants from the air. This feature not only ensures cleaner air but also promotes better health and well-being for users, particularly for those with respiratory issues.

Lastly, the design of the Haier HDU-42CF03/H is sleek and modern, allowing it to blend seamlessly with various interior styles. Its compact size makes installation straightforward, whether wall-mounted or in a corner setup.

In summary, the Haier HDU-42CF03/H is an exceptional air conditioning unit that combines efficiency, comfort, and modern technology, making it a valuable addition to any home or office. With its inverter technology, quiet operation, user-friendly controls, and excellent air filtration capabilities, it addresses the diverse needs of consumers while ensuring optimal performance and satisfaction.