To bend a pipe, give the roundness as large as possible not to crush the pipe ,and the bending radius should be 30 to 40 mm or longer.
Connecting the pipe of gas side first makes working easier. The connection pipe is specialized for R410A.
Max.Elevation: A1 =10m(for: 09k 12k),
In case the elevation A is more than 5m, oil trap shoud be installed every 5~7m
Use the same method on indoor unit. Loosen the screws on terminal block and insert the plugs fully into terminal block, then tighten the screws.
Insert the cable according to terminal number in the same manner as the indoor unit.
If the 
If wiring is not correct, proper operation can not be carried out and controller may be damaged.
Fix the cable with a clamp.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.