Haier HDU-42H03/H, HDU-24H03/H Safety Precations, It could cause such problems as water leakage

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Incomplete combustion could occur on the apparatus.
It could cause deterioration of food or other problems.
It could cause electric shocks.
preservation of food, flora and fauna, pre- cision deices or work of art.
ditioner.
other purposes than intended such as for
allowing a direct exposure to wind of air con-
The system should never be used for any
CAUTION
Do not handle switches with a wet hand. Combustion apparatus should not be placed
cause, it could result in a trouble, electric shock or fire.
speed, it could cause an injury.
health problems.
If you continue the operation without removing the
Since the internal fan is operating with a high
It could affect your physical condition or cause some
directly to cool wind for a long time.
bar, etc.
You should refrain from exposing your body Do not poke the air inlet or outlet withWhena any abnormal condition (scorching smell or oth- ers) is found, stop the operation immediately and turn
off the power switch. Then consult your dealer.
WARNING
CAUTIONS FOR OPERATION
Bodily injury could result by a careless installation.
Grounding cable should never be connected to a gas pipe, city water pipe, lightning conductor rod or grounding cable of telephone. If the grounding cable is not set properly, it could cause electric shocks.
Install on the place where can endure Make sure the system is grounded.
Whenyouneedsomeoptionaldevicessuchasahu- midifier,electricheater,etc.,besuretousetheproducts whicharerecommendedbyus.Thesedevicesshould be attached by a professional installer.

SAFETY PRECATIONS

Before starting to use the system, read carefully this"SAFETY PRECAUTIONS" to ensure a proper operation of the system.

Safety precautions described here are classified to " WARNING" and " CAUTION". Precautions which are shown in the column of

" WANING" means that an improper handing could lead to a grave result like a death, serious injury, etc. However, even if precautions are shown in the column of " CAUTION", a very serious problem could occur depending on situation. Make sure to observe these safety precautions faithfully because they are very important information to ensure the safety.

Symbols which appear frequently in the text have following meanings.

Strictly prohibited.

Observe instructions faithfully.

Provide a positive grounding.

When you have read through the manual, keep it always at hand for read consultation. If the operator is replaced, make sure to hand over this manual to the new operator.

CAUTIONS FOR INSTALLATION

WARNING

The system should be applied to places as The system should be installed by your office, restaurant, residence and the like.dealer or a professional installer.

Application to inferior environment such as an engi-

Installation by yourself is not encouraged because

 

it could cause such problems as water leakage,

Installation by yourself is not encouraged because it

neering shop, could cause equipment malfunction and

electrical shock or fire accident by some improper

serious injury or death.

could cause such problems as water leakage, electrical

handing.

shock or fire accident by some improper handing.

 

CAUTION

Do not install nearby the

place where may Depending on the place

of installation,

Drain pipe should be arranged to provide a

have leakage of flammable

gas.

circuit breaker may be

necessary.

positive draining.

 

ON

 

 

FO

 

If the gas leakes and gathers around, it may cause the

Unless the circuit breaker is installed, it could

If the pipe is arranged improperly, furniture or the

fire.

cause elecrical shocks.

likes may be damaged by leaked water.

Where strong winds may prevail, the

system should be fixed securely to preventthe weight of air conditioner. a collapse.

Bodily injury could result by a collapse.

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Contents Please read this manual carefully before using ManualTable of Contents Disposal of the old air conditioner Safety Precations It could cause such problems as water leakageSafety Precautions Make sure to use a fuse of proper electric ratingApplicable ambient temperature range Safety PrecautionMachine is adaptive in following situation HDU-24H03/HHDU-42H03/H HDU-28H03/H Parts and FunctionsAir outlet Duct Drainpipe Air inlet Buttons and display of the wire controller Remote control Clock setOperation Recommendations Select temp. settingFan speed selection Select your desired Timer mode on or OFF Set Clock correctly before starting Timer operationPress Time Select Offon Follow the same procedures in Time setting for Timer onPress Time button Heating mode Cooling, dehumidifying modeComfortable Sleep Operation Malfunction Unit fails to startCooling or heating is not sufficient Cooling is not sufficientFollowings are not malfunction Stopped. Because the protecting circuit is activatedDuring this time air conditioner operates in fan Outdoor unit during heating During defrosting operationCare and Maintenance Points to observeWarming Operation Installation place Is the Unit Installed CorrectlyElectric work Installation Manual for Wire Controller Replace the upper part of wire controller Indoor unit wiringHint Accessories Selection of the place of installationInstallation of outdoor unit InstallationOutline piping Refrigerant pipingPiping size Model To use vacuum pumpElectric wiring Wire size Switch Leak Rated capacity a Minimum5mm 30mA 0mm 30mATest run Installation Manual for Indoor Unit Safety precautionsChoose installation place Preparation before installation Installation of indoor unit Drain PipingInstallation of air suction and discharging duct Chosen chart of simple duct Shape Square duct Dimension Air volumeExamples of improper installation Air discharging fan Improper exampleOperation method of fan controller Example of the method of choosing capacity numberRefrigerant pipe

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.
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