LG A2UW146FA2 - (3-way) Valve; 3-way Valve Operation

Service Manual 209
(3-way) Valve
(3-way) Valve
3-way Valve (Liguid Side) 3-way Valve (Gas Side)
Works Shaft position Shaft position Service port
Shipping Closed Closed Closed
(with valve cap) (with valve cap) (with cap)
Air purging Open Closed Open
(Installation) (counter-clockwise) (clockwise) (push-pin or with
vacuum pump)
Operation Open Open Closed
(with valve cap) (with valve cap) (with cap)
Pumping down Closed Open Open
(Transfering) (clockwise) (counter-clockwise) (connected
manifold gauge)
Evacuation Open Open Open
(Servicing) (connected
manifold gauge)
Gas charging Open Open Open
(Servicing) (with charging
cylinder)
Pressure check Open Open Open
(Servicing) (connected
manifold gauge)
Gas releasing Open Open Open
(Servicing) (connected
manifold gauge)
3.
2.
1.
4.
5.
6.
Valve cap
Open position
Closed position
Pin
Service
port
Service
port cap
To piping
connection
To outdoor unit
Valve cap
Open position
Closed position
Pin
Service
port
Service
port cap
To outdoor unit
To piping
connection
Service port
Closed
(with cap)
Open
(push-pin or with
vacuum pump)
Closed
(with cap)
Closed
(with cap)
Closed
(with cap)
Open
(connected
manifold gauge)
Open
(connected
manifold gauge)
Open
(connected
manifold gauge)