Point Control; Operation; Maintenance; Removal - oventrop Aktor M ST L Operating Instructions Manual

Operation

6.2.3

2 point control

1
BU
Illust. 8: Pin assignment for 2 point control
(1) 0 V AC/DC
(2)
24 V AC/DC
(3)
0 V or 24V AC/DC
Z After the power supply has been connected for the
first time, the actuator will carry out an initialisation
run. The product will be ready for operation after this
initialisation.
7. Operation
The actuator is automatically controlled via the con-
trol technology.
8.

Maintenance

The actuator is maintenance-free.
10
2 3
GY
BN
24 V AC/DC
0 V AC/DC
blue (BU)
brown (BN)
grey (GY)
9.

Removal

Illust. 9: Lift position indicator and valve stem cover
(1)
Lift position indicator of the actuator
(2)
Cover for manual setting (adjustment spindle)
Illust. 10: Upper lift position
(1) Upper lift position indicator
CAUTION
Risk of burns due to hot components
Any unprotected contact with hot compo-
nents may lead to burns.
f Allow the product to cool down before
working on it.
NOTICE
It may not be possible to unscrew the col-
lar nut by hand
In some circumstances, the actuator closes
the valve with the maximum actuating power
of 200 N. In this case, the collar nut can no
longer be unscrewed by hand.
f Do not use pliers or similar to loosen the
collar nut!
f Use the manual setting option.
„Aktor M ST L"
1
2
1
101272584-V01.11.2019