user manual
66 Multi type Air Conditioner
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










