13
12.2 Valve curve
Switch position S2-10 can be used to select the relationship between the set value and the actuator position. Two
curves are available. With the linear valve curve, the actuator position in % corresponds to the set value in %. The
"Quick Opening Curve" enables fast valve opening with a small set value.
13. Commissioning
•
Open the cover (see 8.), mount the actuator on the valve (see 7.), connect the electric supply
(see 10.).
•
Perform automatic (see 11.5) or manual commissioning (see 11.6).
•
Close the cover.
14. Maintenance
The actuators are maintenance-free if used under the operating conditions as designated in the data sheet. The
gearboxes are lubricated for life and do not require further lubrication.
Caution!
During maintenance and repair the actuator must not be operated electrically.
14.1 Cleaning
The actuators should be cleaned dryly. Do not use abrasive cleaning agents or cleaning products containing solvents
as the labelling of the safety stickers and the type plate might become illegible. Do not operate the actuator during
the cleaning process.
Figure 10: Valve curve
Stroke %
Set Value %
Quick Opening
Linear
