SFP-2402 & SFP-2404 Series Manual — P/N 51898:F3 8/6/2014 25
Installation of Optional Modules Installation
on the circuit. Do not wire to the corresponding A+ and A- terminals on the CAC-4 module. Note
that Zone 1 IDC on the SFP-2402 and Zone 2 IDC on the SFP-2404 can be configured as a
combination waterflow/supervisory circuit as illustrated in the following figure.
2.6.2 4XTM, 4XLM and 4XZM Option Modules
SFP-2404: The 4XLM LED Interface Module can only be plugged into connectors J3 and J5 on
the SFP-2404 main circuit board. The 4XTM and 4XZM modules can be plugged into connectors
J3 and J5 or
J4 and J6 on the SFP-2404 main circuit board. A combination of any two of the three
modules can be installed.
SFP-2402: Only the 4XTM module can be plugged into connectors J3 & J5 on the SFP-2402 main
circuit board. (No other option modules can be installed on the SFP-2402).
Figure 2.11 Wiring NACs and IDCs for Class A Operation
CAC-4 Class A Converter Module
SFP-2404
Circuit Board
Class B (Style B)
IDC - 4.7 K:
½ watt ELR
resistor
P/N:71252
(supervised and
power-limited)
Dummy load all unused
circuits - 4.7 K:
½ watt ELR resistor
(P/N: 71245)
Polarized
Bell
Circuit polarities
shown in alarm
condition
Class A (Style Z) NAC
(supervised and power-limited)
Class A
(Style D) IDC
(supervised and
power-limited)
Class A
(Style D) IDC
Combo Waterflow &
Supervisory
20K:, ½ watt ELR
resistor P/N:75477
(supervised and
power-limited)
1.2 K:
½ watt
In-Line
resistor
P/N:75579
Polarized
Strobe
Polarized
Horn
Tamper
Tamper
Waterflow
Smoke
Smoke
Pull
Station
Pull
Station
Heat
Heat
IMPORTANT! All
devices must be
within 20 feet of the
Class A portion of
the circuit and
wiring must be in
conduit.
ms4comba.wmf
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