Haier HDU-28H03/H, HDU-24H03/H Comfortable Sleep, Cooling, dehumidifying mode, Heating mode

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OPERATION

Comfortable Sleep

At night, before going to bed you can press down the SLEEP button on the controller and the air- conditioner will run by the comfortable sleeping mode to make you sleep more comfortable.

 

 

MODE

FAN

SWING

 

 

 

TEMP

 

 

 

CLOCK

 

SET

 

SET

TIMER

 

SLEEP

 

 

 

 

OFF

 

FILTER RESET

RESET

AM

 

AM

 

 

ON/OFF

Press SLEEP button once to make the air conditioner have the previous-set sleep time (first power- on is "1h"), the sleep symbol will appear. Press time button /, you can choose the time in 1~8 hours. Each press of /, the time increases/reduces 1 hour and "xh" appears in the humidity setting part, "OFF" appears in "TIMER OFF" display part and timer-off time; press SLEEP button again to cancel sleep function, the sleep symbol diappears.

In cooling, dehumidifying mode

One hour after sleeping operation start, the temp. is 1C higher than the setting one. After another hour the temp. rises 1C and then run continuously for another 6 hrs' and then close. The actual temp. is higher than the setting one which is to prevent from being too cool to your sleep.

In heating mode

One hour after start up, the temp. decrease 2C lower than the setting one. After another hour decrease by more 2 C.

The temperature will automatically rise by 1C after another 3 hrs' operation, and then automatically close after 3 hrs' continuous operation. The actral temperature is lower than the setting one which is to prevent from being too hot to your sleep.

Note:

In AUTO mode, unit will run in SLEEP function according to the operation mode.

After setting SLEEP function, it is forbidden to calibrate clock.

If the set sleep-time does not reach 8 hours, the unit will stop operation automatically after set time is complete.

Set "TIMER-OFF" function first, then set SLEEP, and the sleep-set is performance; set TIMER-ON function first, the sleep function can only be set before TIMER-ON; if set theSLEEP function first, the TIMER function can not be set.

SETTING T

 

 

SHUT DOWN

 

1 hr

decrease 2 C

 

 

 

 

 

 

1 hr

 

 

 

decreases 2 C

 

 

 

about 3 hrs

 

 

3 hrs

increase1 C

 

 

 

SLEEP RUN BEGINS

SLEEP RUN STOPS

SLEEP RUN BEGINS

SLEEP RUN STOPS

 

about 6 hrs

1 hr

increase 1 C

1 hr

increase 1 C

 

SETTING T

SHUT DOWN

Heat mode

Cooling mode

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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 ratingMachine is adaptive in following situation Safety PrecautionApplicable ambient temperature range Air outlet Duct Drainpipe Air inlet Parts and FunctionsHDU-24H03/HHDU-42H03/H HDU-28H03/H Buttons and display of the wire controller Remote control Clock setOperation Fan speed selection Select temp. settingRecommendations Press Time Set Clock correctly before starting Timer operationSelect your desired Timer mode on or OFF Press Time button Follow the same procedures in Time setting for Timer onSelect Offon Comfortable Sleep Cooling, dehumidifying modeHeating mode Operation Cooling or heating is not sufficient MalfunctionUnit fails to start Cooling is not sufficientDuring this time air conditioner operates in fan Followings are not malfunctionStopped. Because the protecting circuit is activated Outdoor unit during heating During defrosting operationCare and Maintenance Points to observeWarming Operation Electric work Is the Unit Installed CorrectlyInstallation place Installation Manual for Wire Controller Hint Indoor unit wiringReplace the upper part of wire controller Installation of outdoor unit AccessoriesSelection of the place of installation InstallationPiping size Refrigerant pipingOutline piping Model To use vacuum pump5mm 30mA Electric wiringWire size Switch Leak Rated capacity a Minimum 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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