GEA VARIVENT X R Series - Spring-To-Open Actuator Function (NO); Modifying the Actuator Closing Direction

3.1.2.2 Spring-To-Open actuator function (NO)
Figure 3-3 - Valve type X_R open in idle position
(NO)
The actuator is spring-to-open (NO). The
valve is open in the idle position.
Identication
on
the spring-to-close low-
er valve seat:
●
Ring groove (11) on the wrench at
surface of the valve disk rod.
Identication on the T.VIS control top
once the installation (SET-UP) has been
completed:
●
Permanent light (1) green: valve in
idle position
●
Permanent light (1) yellow: valve in
end position (actuated position)
3.1.2.3 Modifying the actuator closing direction
INFO When the idle position is reversed by turning the actuator, the actuation
for
ces
may no longer be sufcient for the application. Therefore, check the
actuator size before changing the closing direction.
24 / 104 - 3.1 Set-up and function
0000000881 - 001 - EN-GB