12.
Test run
12.1 Check direction of rotation
.
If provided, place indicator disc on shaft.
The direction of rotation of the indicator disc (figure L-1) indicates the
direction of rotation of the output drive.
.
Move actuator manually to intermediate position or to sufficient distance
from end position.
.
Switch on actuator in running direction CLOSE and observe the direction
of rotation:
If the indicator disc turns counterclockwise, the direction of rotation is
correct.
If the direction of rotation is wrong, switch off immediately.
Then, correct phase sequence at the motor connection and
repeat test run.
12.2 Check limit switches
.
Move actuator manually to intermediate valve position:
Cams (figure L-2) must swing back and release the switch operating lever.
17
Multi-turn actuators SAI 6 – SAI 100 / SARI 6 – SARI 100
Operation instructions
for valve automation Inside Containment in nuclear power plants
Figure L-1: Indicator disc
CLOSED
OPEN
Figure L-2: Control unit
Position of cams in
intermediate valve position
LSC
LSO
