Safety Precautions

CAUTION

Do not wash the air conditioner with water.Donotinstallthesystemwheretheairoutlet reaches directly the flora and fauna.

Make sure to use a fuse of proper electric rating.

It could cause electric shocks.

It will not be good for their health.

Use of steel or copper wire in place of a fuse is strictly prohibited because it could result in a trouble or fire accident.

	It is strictly prohibited to place a container of
Neither stand on the air conditioner nor		Do not operate the system while the
place something on it.	combustible gas or liquid near the air condi-
		air outlet grill is removed.
	tioner or to spray it directly with the gas or liquid.

There are risks of falling or injury by collapsed object.

It could cause a fire accident.

There is a risk of injury.

Do not use the power switch to turn on or	Do not touch the air outlet section whileDonot use such equipment as a water
off the system.	the swing louver is operating.	heater, etc. around the indoor unit or the
		wire controller.
ON
OF

It could cause a fire or water leakage.

There is a risk of injury.

If the system is operated at the vicinity of such equip- ment which generates steam, condensed water may drip during cooling operation or it could cause a fault current or short-circuit.

When

operating the system simultaneously

Check occasionally the support structure ofDo not place any objects on or climb on

with

a combustion apparatus, indoor air must

be ventilated frequently.

the unit for any damageafter a use of longthe unit.

period of time.

Insufficient ventilation could cause an oxygen deficiency accident.

If the structure is not repaired immediately, the unit could topple down to causea personal injury.

When cleaning the system, stop	the operationDo not put water	containers	on the unitDo not try to repair or reconstruct by yourself.
and turn off the power switch.	such as a flower	vase, etc.

Cleaning should never be done while the internal fans are running with high speed.

If the structure is not repaired immediately, the unit could topple down to cause apersonal injury.

CAUTIONS FOR TRANSFER OR REPAIR

WARNING

Modification of the system is strictly prohibited. When needs a repair, consult your dealer.

the systWhenm the air conditioner is relocated, contact your dealer or a pro- fessional installer.

Improper practice of repair could cause water leakage, electric shock or fire.

Improper practice of installation could cause water leakage, electric shock or fire.

HDU-28H03/H, HDU-42H03/H, HDU-24H03/H specifications

Haier has established itself as a leading name in the HVAC sector, and their HDU series, including models HDU-28H03/H, HDU-42H03/H, and HDU-24H03/H, exemplifies the brand's commitment to quality and efficiency. These air conditioning units are ideal for both residential and commercial use, designed to provide optimal comfort without compromising on energy efficiency.

One of the standout features of the HDU series is its advanced inverter technology. This allows the units to adjust their cooling and heating output based on the current demand, ensuring that energy is used efficiently. As a result, users can expect reduced energy bills while enjoying a consistently comfortable indoor climate. The inverter system minimizes temperature fluctuations by maintaining a steady output, enhancing overall comfort.

Another notable aspect of the HDU models is their high energy efficiency ratings, often reaching levels that exceed industry standards. This is largely due to the use of R32 refrigerant, which has a lower global warming potential compared to traditional refrigerants. The incorporation of R32 not only makes these units more environmentally friendly but also helps to improve efficiency, providing effective cooling and heating performance even in extreme weather conditions.

Additionally, the HDU units boast a wide operating temperature range. They are designed to work seamlessly in a variety of climates, maintaining performance in temperatures as low as -15°C for heating and up to 50°C for cooling. This adaptability makes them a versatile choice for different geographic locations.

Quiet operation is another impressive feature of the HDU series. The indoor units are engineered to operate at whisper-quiet levels, making them ideal for bedrooms, offices, or any space where noise could be a concern. This allows users to enjoy a peaceful environment while maintaining their comfort.

The user-friendly interface and smart features of the HDU models further enhance their appeal. Equipped with modern remote controls and optional Wi-Fi connectivity, users can easily manage their air conditioning settings from anywhere, providing convenience and flexibility.

In summary, the Haier HDU-28H03/H, HDU-42H03/H, and HDU-24H03/H models combine advanced inverter technology, high energy efficiency, a wide operating temperature range, and quiet operation to deliver outstanding performance. Their smart features and eco-friendly refrigerant make them a reliable choice for those seeking comfort and efficiency in their HVAC systems.