VAT 650 Series Installation, Operating, & Maintenance Instructions page 80

Note: For Replacement of actuator
or actuator shaft seals, proceed with
step 19 otherwise go to step 17.
17. Reassembly the valve in reverse
order, step 9...3.
18. Close the valve bonnet, see steps
40...42.
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
22. Disconnect 24VDC power. Wait for
60s, then disconnect cables and
compressed air from valve actuator.
23. Unfasten all 4 controller screws and
lift controller carefully from actuator.
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
Installation, Operating & Maintenance Instructions
Series 650 DN 100-250 (I.D. 4" - 10"), CC-Link
D e s c r i p t i o n Required tool
• CV software
• CPA software
or
• Service Box 2
Allen Wrench
4 mm
280672EB
80/94
2010-12-15