Chapter 1: Overview
19
The Alarm Out connector is connected to a strobe light. When the
temperature of the Fan unit exceeds the maximum operating temperature
and stops operating, it changes the circuit from closed to open. This
change triggers the strobe light to turn on. When the temperature of the
Fan unit goes down to the normal operating range and the Fan unit
operates normally, it changes the circuit from open to closed. This change
triggers the strobe light to turn off.
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