Installation Diagram Of Indoor Unit And Outdoor Unit - Samsung DH052EAMG Service Manual

14-8 Installation Diagram of Indoor Unit and Outdoor Unit

14-8-1 Air-Purge Procedure
1) Connect each assembly pipe to the appropriate
valve on the outdoor unit and tighten the flare nut.
2) Connect the charging hose of low pressure side
of manifold gauge to the packed valve having a
service port (3/8" Packed valve) as shown at the
figure.
3) Open the valve of the low pressure side of
manifold gauge counter-clockwise.
4) Purge the air from the system using vacuum
pump for about 10 minutes.
- After that, please recheck that pressure is
stabilized.
- Close the valve of the low pressure side of
manifold gauge clockwise.
- Remove the hose of the low pressure side
of manifold gauge.
5) Set valve cork of both liquid side and gas side of
packed valve to the open position.
6) Mount the valve stem nuts and the service port
cap to the valve, and tighten them at the torque
of 183kgf . cm with a torque wrench.
7) 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.
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Outdoor unit
A
Gas pipe side
B Liquid pipe side
A(gas)
B(liquid)
Valve stem
Stem cap
Indoor unit
C
D
Vacuum pump
14-8