Electrical actuators type EA 11/ 21/ 31/ 42
8.2.1 Preparation
Remove crank handle 1 from the holder.
Remove cover screw 2 with crank handle 1.
Insert crank handle in hexagonal bolt under the opening.
8.2.2 Procedure
WARNING
Actuator unintentionally restarting!
Danger of injury due to opening or closing of the valve through connection
terminals powered on again.
Remove connector plug during manual operation.
Disconnect actuator elsewhere.
Press crank handle as far as it will go.
Micro-switch that disconnects the actuator is activated.
To power the actuator on again: let crank handle go.
To open or to close valve: turn crank handle.
Direction of rotation
Clockwise (CW)
Counter clockwise (CCW)
Type
EA11
EA21
EA31
EA42
Function
close
open
Number of rotations
9
9
27
41
Operation
Angle
90°
90°
90°
90°
55