Agromatic ESR-NK Series, Installation And Operating Manual, Page: 51 / 98

5 Assembly 5.4 Setting the position switches
Actuators NK and VK, Position Controller ESR-NK 45
Setting the position limit switches
1. Apply the voltage for CCW rotation (see section “5.3 Electrical connec-
tion” ): The output shaft and the control shaft W rotate in counterclockwise
direction (see section “5.3.1 Determining the direction of rotation (series
NK)” ).
2. Switch off the voltage as soon as the end position to be set has been
reached. The valve must not block the actuator in this position!
3. Turn the control cam NL in the rotational direction of control shaft W until
the position limit switch SL switches over (identified by an audible click
within the switch).
4. Adjust control cam NR as described in steps 1 to 3 for CW rotation.
5. Electrically move to both end positions again to check the correct posi-
tions, and re-adjust the control cams where required.
Setting the auxiliary position switches
1. Move to the desired switch position in the rotational direction in line with
the device function.
2. Turn control cam N1 in the rotational direction of control shaft W until aux-
iliary position switch S1 switches over (identified by an audible click within
the switch).
3. Electrically move to the switch position again to check the correct position,
and re-adjust the control cam N1 where required.
Set the control cams for the other auxiliary position switches as described in
steps 1 to 3.