Controller I/O - Critical Room Control CRC-FHM User Manual

Controller I/O

Relays and Digital Inputs:
RLY 1
RLY 1
RLY 2
RLY 2
RLY 3
RLY 3/4
RLY 4
DIN 1
DIN 2
GND
GND
DIN 3
DIN 4
V+
GND
+10V
GND
+5V
Analog Inputs and Outputs:
* Must also be connected to 5v, 10, or v+ - see sensor specs for power
* Must also be connected to either "5v" or "V+" – see sensor specs for details
Power and Communication:
24V IN
24V IN
Fume Hood Monitor and Controller – User Guide
Alarm out to BAS (Closed = Alarm)

Sash Alarm out to BAS (Closed = Alarm)

In Use / StandBy (Open = In Use)

Occupany Sensor (Closed = Occupied)

 24VAC
 RS 485 Network connection
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