AIRIR PURGE

Be sure to perform the air purge of the indoor unit, and piping using the refrigerant of the outdoor unit at the time of installation.

1.Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port (3/4" Packed valve) as shown at the figure.

2.Open the valve of the low pressure side of manifold gauge counter-clockwise.

3.Purge the air from the system using vacuum pump for about 10 minutes.

-Close the valve of the low pressure side of manifold gauge clockwise.

-Remove the hose of the low pressure side of manifold gauge.

4.Set valve cork of both liquid side and gas side of packed valve to the open position.

5.Mount the valve stem nuts to the 3-way valve.

And mount the service port cap to 3-way valve.

6. Check for gas leakage.

- At this time, especially check for gas leakage from the 3-way valve’s stem nuts, and from the service port cap.

Outdoor unit

 

Indoor unit

A

Gas pipe side

C

B

Liquid pipe side

D

 

Vacuum

 

pump

B

A

(liquid)

(gas)

Valve stem

Stem cap

E-29

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Samsung AP500F installation manual Airir Purge

AP500F specifications

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