Outdoor unit

6.Purging Method:To use vacuum pump

Push the air out of the indoor unit and piping as followes:

(1)Remove the valve cap on 2-way valve in outdoor unit.

(2)Loosen by 1/2 turn the flare nut of gas pipe, which is conneted to 3-way valve.

(3)Loosen 2-way valve by 90o using hexagon wrench, and after approx. 10 sec tighten it up. Gas comes out through flare nut on wide pipe. If no gas is discharged, tighten flare nut with specified torque.

(4)Open 2-way and 3-way valves using specified torque.

(5)Tighten the caps on the valves with specified torque.

 

Tighten torque N.m

 

 

Valve rod

7-9

 

 

Valve cap

20-25

 

 

2-way valve

3-way valve

6.35mm(1/4")

12.7mm(1/2")

HSU-12CR03-Y

HSU-18CR03-Y

When connecting pipe exceeds 5 meters, 20g refrigerant shall be added per exceeding meter. Charge according to the following list.

Piping length

5m

7m

10m

Additional amount

No need

40g

100g

 

 

 

 

Note: When extending piping, air inside piping shall be removed by using external refrigerant gas, charge according to the following list.

Brand new outdoor unit is charged 50g more refrigerant than regulated weight. Only for first installation, this extra 50g can be used to purge air in pipes.

During this procedure, 50g refrigerant will be discharged in piping. (This must be strictly controlled within 90o and 10 sec.)

7

Page 7
Image 7
Haier HSU-1218CR03 installation manual Purging MethodTo use vacuum pump, HSU-12CR03-Y HSU-18CR03-Y

HSU-1218CR03 specifications

The Haier HSU-1218CR03 is a cutting-edge air conditioning unit designed to blend efficient cooling performance with advanced technology, making it an excellent choice for both residential and commercial spaces. This model is characterized by its compact design, allowing it to fit seamlessly into various environments while providing optimal comfort.

One of the standout features of the HSU-1218CR03 is its energy efficiency. Designed with the latest inverter technology, this air conditioner adjusts its cooling output based on the ambient temperature and the desired temperature set by the user. This not only ensures consistent comfort but also significantly reduces energy consumption, leading to lower electricity bills. The inverter technology allows the compressor to operate at varying speeds, minimizing power usage and reducing the frequency of start-stop cycles, which ultimately extends the lifespan of the unit.

Another significant aspect of the Haier HSU-1218CR03 is its advanced air filtration system. The unit is equipped with a multi-stage filtration process that effectively removes dust, allergens, and other airborne particles, creating a healthier indoor environment. This feature is particularly beneficial for individuals with allergies or respiratory conditions, as it helps to maintain a cleaner air quality in the living space.

The HSU-1218CR03 also boasts a user-friendly control system, often featuring a remote control and digital display panel. This allows users to easily adjust settings such as temperature, mode, and fan speed from the comfort of their couch or while lying in bed. Additionally, many models may include smart features, allowing integration with home automation systems, enabling users to control their air conditioning unit via smartphone applications.

Noise reduction technology is another characteristic that sets the Haier HSU-1218CR03 apart from other units. With an ultra-quiet operation mode, this air conditioner ensures that it does not disrupt daily activities or sleep patterns, making it suitable for bedrooms, offices, and other quiet environments.

In summary, the Haier HSU-1218CR03 combines energy efficiency, effective air purification, user-friendly controls, and quiet operation to provide an unparalleled cooling experience. Its versatile features make it an ideal solution for maintaining comfort throughout the seasons while also promoting a healthier indoor atmosphere. Whether for residential or light commercial use, this air conditioning unit represents a smart investment in climate control technology.