3
Optional FEC - 6
Engine Room Controller
Engine shut down
Fan shut down
Evacuate light
Relays
Relays
4 core cable e.g. cat 5 (max length = 1000m)
Wiring Block Diagram
FR-4000
Master Display Unit (MDU)
Optional Sensors
Sensor
NOTE:
Sensors must have
4K7 ohm end of line
resistor fitted.
Battery negative
Battery positive
Relay 1
FR-100
(IOU)
Aux battery negative
Aux battery positive
Total Zone
Inputs = 4
Sensor Input Unit
Relay
Single Relay
Unit
Optional FEC - 1
Relay 2
Inputs
+Vdc
GND
Coms +
Coms -