Outdoor unit

5.Purging Method:To use vacuum pump

Liquid Side

Gas Side

6.35mm(1/4")

9.52mm(3/8")

 

12.7mm(1/2")

2-way valve

Detach the service port's cap of 3-way valve, the valve rod's cap for 2-way valve and 3-way's, connect

the service port into the projection of charge hose (low) for gaugemanifold. Then connect the projection of charge hose (center) for gaugemanifold into

vacuum pump.

Tube(for R410A)

3-way valve

Gaugemanifold(for R410A)

Anti countercurrent joint

Vacuum pump(for R410A)

Open the handle at low in gaugemanifold, operate vacuum pump. If the scale-moves of gause (low)

reach vacuum condition in a moment, check again.

Open

Vacuumize for over 15min. And check the level gauge which should read -0.1 MPa (-76 cm Hg) at low pressure side. After the completion of vacuumizing, close the handle 'Lo' in gaugemanifold and stop the operation of the vacuum pump.

Close

Check the condition of the scale and hold it for 1-2min. If the scale-moves back in spite of tightening, make flaring work again, the return to the beginning of .

Open the valve rod for the 2-way valve to an angle of anticlockwise 90 degrees.

After 6 seconds, close the 2-way valve and make the inspection of gas leakage.

In case of gas leakage, tighten

No gas leakage? parts of pipe connection. If leakage stops, then proceed

steps.

Detach the charge hose from the service port, open

2-way valve

3-way valve

Service port

Open

90

o

for 6 sec.

90o

 

If it does not stop gas leakage, discharge whole refrigerants from the service port. After flaring work again and vacuumize, fill up prescribed refrigerant from the gas cylinder

Liquid Side

Gas Side

6.35mm(1/4")

9.52mm(3/8")

 

12.7mm(1/2")

2-way valve

3-way valve

 

HSU-07HEA03/R2

HSU-09HEA03/R2

HSU-09HEA103/R2

HSU-12HEA03/R2

HSU-18HEA03/R2

Liquid Side

Gas Side

6.35mm(1/4")

12.7mm(1/2")

2-way valve and 3-way. Turn the valve rod anticlockwise until hitting lightly.

 

3-way valve

90

2-way valve

3-way valve

2-way valve

To prevent the gas leakage, turn the service port's cap, the valve rod's cap for 2-way valve and 3-way's a little more than the point where the torque increases suddenly.

After attaching the each caps, check the gas leakage around the caps.

HSU-22HEA03/R2

2-way valve 3-way valve

Valve rod cap

Service port cap Valve rod cap

CAUTION:

1.If the refrigerant of the air conditioner leaks, it is necessary to discharge all the refrigerant. Vacuumize first, then charge the liquid refrigerant into air conditioner according to the amount marked on the name plate.

2.Please do not let other cooling medium, except specified one (R410A), or air enter into the cooling circulation system. Otherwise, there will be abnormal high pressure in the system to make it crack and lead to personal injuries.

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Haier 0010516146, HSU-07HEA03/R2, HSU-09HEA103/R2, HSU-22HEA03/R2 installation manual Open, Close

HSU-07HEA03/R2, HSU-09HEA103/R2, 0010516146, HSU-22HEA03/R2 specifications

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