Installation, Operating & Maintenance Instructions
Series 651 DN 320-400 (I.D. 12“ - 16”), Logic
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
267736ED
2008-02-26
41/53
D e s c r i p t i o n
Required tool
19. Release the valve from safety mode.
Refer to «Safety mode» for details
20. Move the valve to position 50% (half
opened) This is necessary, in order
to dismount the actuator. See step
24.
21. Disable PFO option feature via
'Power Fail Status' in menu 'System'
of CV or CPA software, and turn off
the power
•
CV software
•
CPA software
or
•
Service Box 2
22. Disconnect 24VDC power. Wait for
60s, then disconnect cable and
compressed air from valve actuator.
23. Unfasten all 4 controller screws and
lift controller carefully from actuator.
Allen Wrench
4 mm
24. Unfasten all 3 actuator screws and
remove actuator.
Allen Wrench
5 mm