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Series 570
OPERATION
215086EG
Edition 14.02.2019
21/36
5.4
Behavior in case of compressed air pressure drop
Valve closed:
valve closed
Valve open:
valve closes
5.5
Behavior in case of power failure
Valve closes if solenoid is current less
Emergency operation at power failure
Solenoid is provided with a slotted screw to operate the valve in case of a power failure
(with compressed air available)
Standard solenoid
To close the valve:
Turn the slotted screw counter-clockwise to its
stop
To open the valve:
Turn the slotted screw clockwise to its stop
For remote operation make sure that the slotted
screw is turned counter-clockwise to its stop.