VAT 091 Series Installation, Operating, & Maintenance Instructions page 13

Series 091
In case of a power failure, the valve can be actuated manually if compressed air is available.
Solenoid valve, standard
Emergency operation
Press push-button (1) and/or rotate push-button 90° CW :
Release push-button (1) or rotate push-button back to initial orientation:
Solenoid valve for impulse actuation (option)
Press push-button (1): valve opens
Press push-button (2): valve closes
1088779EA
OPERATION
Edition 19.05.2021
valve opens
valve closes
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