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7. 3-Way Valve
Works
Shipping
1.
Air purging
(Installation)
Operation
2.
Pumping down
(transferring)
3.
Evacuation
(Servicing)
4.
Gas charging
(Servicing)
5.
Pressure check
(Servicing)
6.
Gas releasing
(Servicing)
3-Way Valve (Liquid Side)
Valve cap
Open position
Flare nut
Closed position
To
piping
Service
connection
port cap
To outdoor unit
Shaft position
Closed
(with valve cap)
Open
(counter-clockwise)
Open
(with valve cap)
Open
(clockwise)
Open
Open
Open
Open
–31–
3-Way Valve (Gas Side)
Flare nut
Pin
To
piping
Service
connection
port
To outdoor unit
Shaft position
Closed
(with valve cap)
Closed
(clockwise)
Open
(with valve cap)
Open
(counter
-clockwise)
Open
Open
Open
Open
Valve cap
Open position
Closed position
Pin
Service
Service
port cap
port
Service port
Closed
(with valve cap)
Open
(push-pin)
Closed
Open
(connected
manifold gauge)
Open
(with charging
cylinder)
Open
(with charging
cylinder)
Open
(with charging
cylinder)
Open
(with charging
cylinder)
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