Principle Of Operation; Position Indicator - GF EA04 Betriebsanleitung

Electric Actuators Type EA04
3.6

Principle of operation

The actuator runs by switching the voltage from the OPEN position to the CLOSE position. By switching the voltage to the other
input, the actuator runs from the CLOSE position to the OPEN position.
The end positions are factory set to 0 and 90°.
End positions and Middle position can later be changed via the end position buttons, see Chapter "Adjusting end positions".
3.6.1

Position indicator

The position indicator shows the valve position. The valve positions can be read on the installed cover.
NOTE!
GF actuators are always delivered in the OPEN position.
When the cover is installed, the following image can be seen (Example ball valve):
Position indicator
Valve function
Actuating angle 0° - 90°
Valve-position A-B
(OPEN)
12
OPEN
90° - 180°
C-D
(CLOSE)
CLOSE
Instruction manual