OPERATION
Series 48
18/27
Edition 2013-05-24
288914ED
The solenoids are provided with manual emergency operation (slotted screw). This screw
allows actuating the valve in case of a power failure. Compressed air must be supplied!
Standard solenoid
To close the valve:
Turn the slotted screw (1) counter-clockwise to its stop.
To open the valve:
Turn the slotted screw (1) clockwise to its stop.
1 Slotted screw
Figure 5-1
For remote operation make sure that the slotted screw is turned counter-clockwise
to its stop.
Impulse solenoid
To close the valve:
Turn the slotted screw (3)
– coil CLOSE – clockwise to its stop.
As soon as valve is closed, turn screw back to its original position.
To open the valve:
Turn the slotted screw (2)
– coil OPEN – clockwise to its stop.
As soon as valve is open, turn screw back to its original position.
1 Coil OPEN
2 Slotted screw of coil OPEN
3 Slotted screw of coil CLOSE
4 Coil CLOSE
Figure 5-2
For remote operation make sure that both slotted screws are turned counter-
clockwise to their stop (original position).
