Triple IR Flame Detectors
FV400
Fixing Instructions Doc. version 2
13/20
Ancillary Power
Fig. 11: Ancillary Power Wiring Diagram
The Ancillary Power is required for the Window heater, RS485 and Camera/Video options.
For Relay and 4-20 mA modes the Ancillary Power may be provided from the Main detector Supply, fit HDR3 and
HDR4 and wire to the Main Supply only.
A separate Ancillary Power Supply must be used for MX Loop and Conventional Zone interfaces.
+24V
0V
Fit HDR3 and HDR4 to use the Main Supply to
provide Ancillary Power.
Do not fit HDR3 and HDR4 in the
MX Loop or Conventional Zone interfaces.
HDR3
LINKS
HDR4
