User's Manual

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2.5.2 VENTILATOR MONITORING
The separately ventilated Power Controllers (-...HF) are fi tted with thermal monitoring. The tempe-
rature is measured on the heat sink. In case of a temperature overrange, a fault inducation is issued
(Profi bus, LED OVERHEAT).
ATTENTION
Activating this monitoring function is obligatory if the Thyro-P is operated under UL conditions.