Haier HDU-42HT03/H Malfunction, Unit fails to start, Cooling or heating is not sufficient

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Doesn't any obstacle exist at the air inlet or outlet?
Isn't the room much crowded?

Malfunction

please check the following things about your air conditioner before making a servie call.

Unit fails to start

Is the power source switch adjust cut in?

ON

OFF

Power supply switch is not ON.

Is city supply power in

Isn't the signal receiving

Isn't the earth leakage

normal?

section exposed to the

breaker in action?

 

direct sunlight or strong

 

 

illumination?

It is dangerous. Turn off

 

 

Power

 

the power supply switch

stoppage?

 

immediately and contact

 

 

 

 

the sales dealer.

 

Cooling or heating is not sufficient

 

 

Is the thermostat adjust

Isn't the air filter dirty? Isn't any doors or windows

as required?

left open?

Isn't the swing louver horizontal?

(At HEATING mode)

If swing louver is horizontal, the blow wind does not reach floor.

Cooling is not sufficient

Isn't sun-shine invading

Isn't any unexpected

 

direct?

heating load generated?

 

 

 

 

The wind does not blow during heating operation

Isn't it warming up?

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When the air conditioner does not operate properly after you have checked the above mentioned items or when the following phenomenon is observed, stop the operation of the air conditioner and contact your sales dealer.

The fuse or breaker often shuts down.

Water drops off during cooling operation.

There is a irregularity in operation or abnormal sound is audible.

Note:

This unit has a function of automatic restart system after recovering power stoppage. Please contact the sales dealer if it is not required.

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Contents Duct Type AIR Conditioner Table of Contents Disposal of the old air conditioner Safety Precautions Make sure the system is groundedDo not operate the system while Machine is adaptive in following situation Parts and Functions Parts and Functions Operation Used to select your desired tempSleep Auto DRY Fan operation Auto RUN, COOL,HEAT and DRY operation Timer operation Timer ON-OFF Cooling, dehumidifying mode Heating mode This series changeover switch is set 1. on 2.OFF 3.OFF 4.OFF Malfunction Unit fails to startCooling or heating is not sufficient Cooling is not sufficientMalfunction Case of Auto mode, operation mode is changed automati Followings are not malfunctionWater flowing sound is heard This is caused by heat expansion or contraction of plasticsCare and Maintenance Points to observeFor Preparation of HeatingHot Keep HOT KEEPis operated in the following casesIs The Unit Installed Correctly Installation placeWhen you change your address or the installation place For inspection and maintenanceInstallation Manual For Wire Controller Install wire controllerWire size Shielded wire GroundHint HintInstallation Manual For Indoor Unit Serious injury are listedChoose installation place Height of ceilingPreparation before installation Hanger bolts installationInstallation of indoor unit Adjusting to the levelnessDrain Piping Good pipingInstallation of air suction and discharging duct ProceduresDrainage Test Stiff PVC pipe put indoor side should be heat insulatedChosen chart of simple duct Each bend takes as a3~4m long straight ductSquare duct Hm 3/n MmxmmExamples of improper installation Rotate this switch Operation method of fan controllerRefrigerant pipe Installation Manual For Electric Wiring Wiring connectionBreaker Current HDU-42CF03/HHaier Group

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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