Electrical Connections and Commissioning
Adjusting the Position Detecting Devices
40
Operating Instructions · VARIVENT
®
Mixproof Valve M-C/2.0
Edition 2018-10-04
Fitting the proximity
switch
Carry out the following steps:
1.
Remove the adjusting screw.
2.
Screw proximity switch M12 (8) into the proximity switch holder until the cleaning
connection (7) is reached.
Adjusting the prox-
imity switch
Carry out the following steps:
1.
Unscrew the proximity switch by one full turn (360°) to set the gap (a) in the range
from 0.5 to 1.0 mm.
2.
Tighten the lock nut (11).
3.
Secure the connector (10), which has already been electrically connected to the
control top, to the proximity switch using the cap nut M12 (10.1).
The LED on the proximity switch must now be lit in operating mode.
Checking the func-
tion
Carry out the following steps:
Check the feedback function by actuating solenoid valve Y3.
The LED must go out.
The external proximity switch has been adjusted.
