10.5.2.
Direction of rotation at hollow shaft/stem: check
Figure 77: Direction of rotation of the hollow shaft/stem for operation in direction
CLOSE (“clockwise closing” version)
[1]
Threaded plug
[2]
Seal
[3]
Hollow shaft
[4]
Protective cap for stem protection tube
[5]
Stem
[6]
Stem protection tube
Valve damage due to incorrect direction of rotation!
→
If the direction of rotation is wrong, switch off immediately (press STOP).
→
Eliminate cause, i.e. correct phase sequence for cable set wall bracket.
→
Repeat test run.
Check direction of rota-
tion
1.
Move actuator manually to intermediate position or to sufficient distance from
end position.
2.
Depending on the version: Unscrew threaded plug [1] with seal [2], protective
cap [4] or stem protection tube [6].
3.
Switch on actuator in direction CLOSE and observe direction of rotation at hollow
shaft [3] or stem [5]:
➥
The direction of rotation is correct if the actuator moves in direction CLOSE
and the hollow shaft in clockwise direction, or the stem moves downward.
4.
Correctly fit/screw on threaded plug [1] with seal [2], protective cap [4] for stem
protection tube [6], fasten thread.
10.5.3.
Limit switching: check
1.
Set selector switch to position Local control (LOCAL).
69
SAEx 07.2 – SAEx 16.2/SAREx 07.2 – SAREx 16.2 Control unit: electronic (MWG)
ACExC 01.2 Non-Intrusive HART
Commissioning (basic settings)
