Triple IR Flame Detectors
FV400
Fixing Instructions Doc. version 2
7/20
Wiring Diagrams
For details on the wiring connections of the differ-
ent interfaces of the FV400 Series of detectors,
see the wiring diagrams from Fig. 6 to Fig. 13.
Terminals
Description
WTEST/LED 0 V
0 V for Walk-test Input
and Remote Indicator
(LED) Output
WTEST
Walk-test Input
RLED
Remote indicator (LED)
output
Network (RS485) +
Network (RS485) port -
twisted pair +VE
Network (RS485) +
Network (RS485) port -
twisted pair +VE
Network (RS485) -
Network (RS485) port -
twisted pair -VE
Network (RS485) -
Network (RS485) port -
twisted pair -VE
Ancillary VE
IN
Ancillary supply (DC)
+VE
Ancillary VE
OUT
Ancillary supply output
to next detector
Ancillary Supply 0 V
IN
Ancillary supply (DC)
0 V
Ancillary Supply 0 V
OUT
Ancillary supply output
to next detector
VIDEO +
Video VE
(balanced line)
VIDEO -
Video output -VE
(balanced line)
Table 3: Right- hand Side Terminals
Links
Description
HDR1
Fit to connect 4-20 mA -VE to 0 V in
Sink mode
HDR2
Fit to connect 4-20 mA +VE to
+VE IN in Source mode
HDR3
Fit HDR3 and HDR4 to connect
Detector and Ancillary power
together to use a single power
source.
Do Not fit HDR3/HDR4 with the
Conventional Zone or MX Loop
interfaces.
HDR4
CON4
Select NC/NO contact for Alarm
relay output
CON5
Select NC/NO contact for Fault relay
output
Table 4: Links
