LG T2UC182FAA, Service Manual

Page: 29 / 51

2-way, 3-way Valve
2-way, 3-way Valve
2-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) (with charging
cylinder)
Gas charging Open Open Open
(Servicing) (with charging
cylinder)
Pressure check Open Open Open
(Servicing) (with charging
cylinder)
Gas releasing Open Open Open
(Servicing) (with charging
cylinder)
3.
2.
1.
4.
5.
6.
Flare nut
To
piping
connection
Open position
Closed position
Flare nut
Valve cap
To
piping
connection
Open position
Closed position
Hexagonal wrench
(4mm)
To outdoor unit
Pin
Service
port
Service
port cap
To outdoor unit
Service Manual 29