Commissioning (basic settings)
27
10.1.1
Set end stop CLOSED
1. Remove screw plug [3].
2. Move valve to end position CLOSED with handwheel.
3. If the valve end position is not reached: Slightly turn setting screw counterclock-
wise until valve end position CLOSED can be correctly set.
Turning the setting screw [4] clockwise decreases the swing angle.
Turning the setting screw [4] counterclockwise increases the swing angle.
Figure23: Setting screws
4. Turn setting screw [4] clockwise to the stop.
ð This completes the setting of end stop CLOSED.
5. Check O-ring of screw plug for seat and condition, replace if damaged.
6. Fasten and tighten screw plug [1].
Having completed this procedure, the end position detection CLOSED can be set im-
mediately.
10.1.2
Set end stop OPEN
In general, the end stop OPEN does not have to be set.
1. Remove screw plug [1].
2. Move valve to end position OPEN with handwheel.
3. If the valve end position is not reached: Slightly turn setting screw [2] counter-
clockwise until valve end position OPEN can be correctly set.
Turning the setting screw [2] clockwise decreases the swing angle.
Turning the setting screw [2] counterclockwise increases the swing angle.
Figure24: Direction of rotation of setting screws
4. Turn setting screw [2] clockwise to the stop.
ð This completes the setting of end stop OPEN.
5. Check O-ring of screw plug for seat and condition, replace if damaged.
6. Fasten and tighten screw plug [1].
Having completed this procedure, the end position detection OPEN can be set imme-
diately.
10.2
Open switch compartment
The switch compartment must be opened to perform the following settings.
WARNING
Ignition of potentially explosive atmospheres caused by sparks
Risk of death or serious injury
à Before opening the flameproof enclosure, ensure absence of gas and voltage.
à Handle cover and housing parts with care.
à Joint surfaces must not be damaged or soiled in any way.
à Do not jam cover during fitting.
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