CVS Controls 1200 Manuale di istruzioni - Pagina 5

Sfoglia online o scarica il pdf Manuale di istruzioni per Posizionatori di valvole CVS Controls 1200. CVS Controls 1200 11. Pneumatic positioner

Pneumatic Input Adjustment

Procedure:

Factory setting for input is 3-15 psi.

The CVS 1200 Positioner is easily

changed to 6-30 psi.

1. Ensure air supply is removed from

unit.

2. Using a 7mm wrench, loosen lock

nut on threaded shaft.

3. Using pliers, remove spring from

zero adjust post.

4. Remove span spring from threaded

shaft.

5. Using the zero spring, turn the

threaded shaft one full rotation

clockwise.(towards span adjuster)

6. Reattach zero spring to post, and

span spring to shaft. Tighten jam nut

on threaded shaft.

Continue with calibration.

Note: Should additional span

adjustment be required, another turn

on the threaded shaft may be

achieved.