8.
Operation
8.1.
Manual operation
The following description applies for clockwise closing standard version.
Separate instructions are available for counterclockwise special version.
The handwheel allows actuator operation even in case of power failure. Handwheel
operation is only provided for occasional manual valve operation.
The handwheel does not rotate during motor operation. Change-over from motor
operation to manual operation is not required.
1.
Close valve: Turn handwheel clockwise.
➥
Drive shaft (valve) turns clockwise in direction CLOSE.
2.
Open valve: Turn handwheel counterclockwise.
➥
Drive shaft (valve) turns counterclockwise in direction OPEN.
Information
Turning the handwheel during motor operation extends or reduces the operating
time, depending on the direction of rotation.
8.2.
Motor operation
Valve damage due to incorrect settings!
→
Check the parameters configured in the factory prior to electrical actuator oper-
ation.
→
In case of deviations, adapt the parameters according to the valve and application
requirements.
Frozen valves when used in low temperatures below –15 °C
→
Recommendation: Activate (parameter ) excessive torque to allow using a peak
torque of up to 127 % of the max. tripping torque when leaving the end position.
8.2.1.
Actuator operation via push buttons
The actuator can be locally operated by means of four push buttons.
Information
To perform actuator operation via push buttons, please connect to power supply.
31
PF-M25X – PF-M100X
Parallel
Operation
