Purging Method, For 9k 12k | Haier HSU-12HG13-B, HSU-09HG13-B

Outdoor unit

5.Purging Method:

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 6.35mm(1/4")

3-way valve 9.52mm(3/8")

12.7mm(1/2")

HSU-09HG13-B

HSU-12HG13-B

When connecting pipe exceeds 5 meters, 20g refrigerant

shall be added per exceeding meter . Charge according to the following list.

	for	9k 12k
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.)

0010518181, HSU-12HG13-B, HSU-09HG13-B specifications

The Haier HSU-12HG13-B and HSU-09HG13-B are two advanced split air conditioning units designed to provide optimal cooling and heating solutions for residential and commercial spaces. Featuring cutting-edge technologies, these models ensure comfort and efficiency in various environments.

The HSU-12HG13-B offers a cooling capacity of 12,000 BTU and is suitable for medium-sized rooms, while the HSU-09HG13-B, with a cooling capacity of 9,000 BTU, is perfect for smaller spaces. Both models boast energy efficiency through their EER (Energy Efficiency Ratio) ratings, assisting users in reducing energy consumption and lowering electricity bills without compromising on performance.

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