Fix the unit to concrete or block with bolts( 
10mm) and nuts firmly and horizontally. 
When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind.
Place, robust not causing vibration, where the body can be supported sufficiently.
Place, not affected by heat or steam generated in the vicinity, where inlet and outlet of the unit are not disturbed.
Place, possible to drain easily, where piping can be connected with the outdoor unit.
Place, where cold air can be spread in a room entirely.
Place, nearby a power receptacle, with enough space around. (Refer to drawings).
Place where the distance of more than lm from televisions, radios, wireless apparatuses and fluorescent lamps can be left.
In the case of fixing the remote controller on a wall, place where the indoor unit can receive signals when the fluorescent lamps in the room are lightened.
Place, which is less affected by rain or direct sunlight and is sufficiently ventilated.
Place, possible to bear the unit, where vibration and noise are not increased.
Place, where discharged wind and noise do not cause a nuisance to the neighbors.
Place, where a distance marked 
is available as illustrated in the above figure.
Before inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponding name plate.
Install an exclusive branch circuit of the power.
A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the cable by cutting it.
To this unit, both liquid and gas pipes shall be insulated
Use optional parts for piping set or pipes covered with
) 6.35mm(1/4") 6.35mm(1/4")
) 9.52mm(3/8") 12.7mm(1/2")
HSU-18HEA03/R2-I, HSU-12HEA03/R2-I, HSU-09HEA03/R2-I specifications
The Haier HSU series, which includes models HSU-12HEA03/R2-I, HSU-09HEA03/R2-I, and HSU-18HEA03/R2-I, showcases impressive engineering in the air conditioning sector, combining efficiency, performance, and innovative technology to meet diverse climate control needs.The HSU-12HEA03/R2-I is a compact unit designed for smaller spaces, delivering cooling and heating capabilities with an impressive energy efficiency ratio (EER). This model is equipped with a powerful compressor that ensures rapid cooling and heating, while its reverse cycle technology promotes energy savings year-round. The intelligent airflow system distributes air uniformly, preventing hotspots and ensuring comfort throughout the room.
On the other hand, the HSU-09HEA03/R2-I is a versatile and energy-efficient model perfect for smaller rooms. Its sleek design combines functionality with aesthetics, allowing it to blend seamlessly into any environment. The unit operates quietly, making it ideal for bedrooms or study areas. With multiple modes, including cooling, heating, and dehumidifying, it ensures optimal indoor air quality. The included remote control allows users to adjust settings conveniently, enhancing user experience.
The HSU-18HEA03/R2-I is tailored for larger spaces, boasting robust performance and a high cooling capacity. This model stands out with its turbo cooling feature, which rapidly lowers room temperature at the push of a button. This is particularly beneficial in extreme heat scenarios. Like its counterparts, it utilizes advanced inverter technology, making it energy efficient while maintaining consistent temperatures.
All three units feature self-cleaning technology, reducing the need for frequent maintenance. This feature helps prevent the build-up of dust and bacteria, promoting healthier air quality. Additionally, they incorporate smart control options, allowing users to monitor and manage their air conditioning systems through mobile applications, ensuring convenience even when away from home.
These Haier models are not only efficient but also environmentally friendly, adhering to international energy standards. With a focus on durability and performance, the HSU series presents a comprehensive solution for anyone looking to enhance their indoor climate while enjoying modern technology and design. Whether for residential or commercial applications, Haier's air conditioners provide a balance of comfort and efficiency, establishing the brand as a leader in the HVAC industry.