88
Hardware Installation—Installing the
IFC-1010/2020
24 VDC Four Wire Smoke Detector Power
Up to one ampere for four wire smoke detectors can be drawn from TB3
Terminals 1 (+) and 2 (-). Power is removed from these terminals during
system reset. This 24 VDC regulated source is power-limited but must be
supervised via an end-of-line power supervision relay (refer to Figure 62
and Figure 63).
UL Listed
Power
Supervision
Relay
47K ELR, 1/2W,
Part Number A2143-20
RA400Z
The RA400Z
annunciates the reset
of smoke detector
power. It is optional.
Break tabs.
The M510CJ resets power
to the detectors. It is not
needed for power supplies
using resettable smoke power.
Software
Type PWRC
Software
Type SCON
M510CJ
UL Listed 24 VDC
Four Wire Detectors
Common (-)
Common (-)
IDC (+)
IDC (+)
IDC (-)
IDC (-)
24 VDC (+)
24 VDC (+)
M500MJ
SLC Loop
Channel A
Red
Black
Power-limited
UL Listed 24 VDC
Power Supply for
Fire Protective Signaling
or
MPS-24A/E, TB3 Terminal 1 (+) and 2 (-)
APS-6R, TB2 Terminal 1 (+) and 2 (-)
and Terminal 3 (+) and 4 (-)
stylbidc
Figure 62: Employing Four Wire Smoke Detectors (Style B IDC)
N29
To Next Page
Loading...
Need help?
General
