Speed Reference; Protections; Distrubances - Cosmo RRV EC-Serie Betriebs- Und Montageanleitung

13.1 SPEED REFERENCE

The speed reference can be con-
tinuously adjusted from 0-100%
through a connected potentiome-
ter. Lower voltage signals as 1

14 PROTECTIONS

In the integrated electronic of
the fan module the following

Excessive temperature motor

Overcurrent faults

Power supply undervoltage
15 DISTURBANCES
Caution! Danger of life!
The motor must operate for
each speed absolutely
smooth and constant.
For all work on the fan, the
maintenances and safety
Deviations from normal operating
states of the fan lead to functional
breakdown and must be maintai-
ned by the service personnel. The
Volt were evaluated as Stop sig-
nals. The same applies for the
speed setting through an external
0-10 Volt signal.
monitoring and protective
functions are included:

Mains overvoltage

Overspeed
Disturbances on the fan can
lead to damages on the fan
unit.
regulations must be observed.
following table gives an overview
of the possible failure reason as
well as indications for removal.
29