The power source must be exclusively used for air conditioner. (Over I0A)
In the case of installing an air conditioner in a moist place, please install an earth leakage breaker.
For installation in other places, use a circuit breaker as far as possible.
Pipe cutting is carried out with a pipe cutter and burs must be removed. 
After inserting the flare nut, flaring work is carried out.
Please pour water in the drain pan of the indoor unit, and confirm that drainage is carried out surely to outdoor.
In case that the attached drain hose is in a room, please apply heat insulation to it without fail.
Please kindly explain to our customers how to operate through the instruction manual.
Gas leak from pipe connecting?
Heat insulation of pipe connecting?
Are the connecting wirings of indoor and outdoor firmly inserted to the terminal block?
Is the connecting wiring of indoor and outdoor firmly fixed?
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.