10 Actuators
26
HELENOS V
Due to the closed assemblage, the control linkage is fully protected for maintenance-free
operation and long durability of the actuators.
If the actuator strikes against a stop, as may occur, e.g., under parallel mains operation or
may be caused by engine overload or cylinder failure, the current limitation will take effect
after approx. 20 seconds; by this the current to the actuator is reduced to a value that
cannot harm the motor.
Altogether, this type of actuator provides the following advantages:
- High regulation power working in both directions.
- Extremely low current consumption during steady state and relatively low current
consumption on change of load.
- Indifference to slow voltage changes of the supply; abrupt voltage changes cause
governor disturbance.
- Due to direct assemblage, the linkage is fully protected and maintenance-free, and there
is no need for complicated linkage adjustment.
10.2
Installation
For the different pump systems, a variety of assembly kits is provided consisting mainly of
the adapter plate and the customer-specific linkage connection.
The assembly kits come with detailed assembling instructions which will help the user to
do the mounting easily by himself.
