Base Operation
Emergency operation and test operation
Use this operation only when the remote controller is defective or lost, and with function of emergency running, air conditoner can run automatically for a while.
When the emergency operation switch is pressed, the " Pi " sound is heard once, which means the start of this operation. 
When power switch is turning on for the first time and
TIMER
SET 
SLEEP
It is impossible to change the settings of temp. and fan speed,It is also not possible to operate in timer or dry mode.
Use this switch in the test operation when the room
Continue to press the test operation switch for more than 5 seconds. After you hear the "Pi" sound twice, 
Under this operation mode,the fan motor of indoor unit will run in high speed.
Pos.3 
(Auto swing)
When adjusting the flap by hand,turn off the unit. 
When humidity is high,condensate water might occur at air outlet if all vertical louvers are adjusted to left or right.
It is advisable not to keep horizontal flap at downward position for a long time in COOLor DRY mode , otherwise, condensate water might occur.
HSU-24HEK03/R2, 0010530627 specifications
The Haier HSU-24HEK03/R2 is a cutting-edge air conditioning unit that combines efficiency, advanced technology, and user-friendly features, making it a popular choice for residential and commercial spaces. Designed to provide superior cooling and heating performance, this model is an excellent addition to any indoor environment, ensuring comfort year-round.One of the standout features of the HSU-24HEK03/R2 is its impressive cooling capacity of 24,000 BTU, which makes it suitable for larger rooms or open-concept spaces. This powerful cooling system allows it to quickly lower indoor temperatures, ensuring a comfortable atmosphere even during the hottest summer days. Its heating function complements this by providing warmth during colder months, making it a versatile option for climate control.
Energy efficiency is a key characteristic of the Haier HSU-24HEK03/R2. Equipped with advanced inverter technology, this air conditioner optimizes power consumption by adjusting the compressor speed according to the cooling demand. This not only reduces energy bills but also contributes to a more sustainable environment. The unit often boasts a high EER (Energy Efficiency Ratio) rating, indicative of its ability to provide effective cooling with lower energy usage.
The multifunctional remote control enhances user convenience, allowing individuals to easily adjust settings from anywhere in the room. The easy-to-read display provides quick access to temperature settings, timer functions, and modes. Additionally, the unit features an intelligent auto-restart function that retains the last settings after a power interruption, providing seamless operation without constant readjustment.
Moreover, the HSU-24HEK03/R2 is designed to operate quietly, ensuring minimal disruption in daily activities. Its low noise level is especially beneficial for bedrooms, offices, and other quiet spaces where sound sensitivity is a concern.
Another essential feature is the comprehensive air filtration system. The unit is equipped with filters that effectively eliminate dust, allergens, and other airborne particles, ensuring that the air circulated in the room remains clean and healthy. Regular maintenance is also simplified with easy-to-clean, removable filters.
In summary, the Haier HSU-24HEK03/R2 stands out due to its powerful cooling and heating capabilities, energy efficiency, convenient remote operation, and effective air filtration. Its combination of technological advancements and user-friendly features makes it a compelling solution for climate control in various environments.