
FARADAY, LLC
447062 ISSUE I REV. A
PAGE 1 OF 1
INSTALLATION INSTRUCTIONS AND WIRING FOR
CLASS A ADAPTER
CAT. NO. CAA-1A P/N 12401A
The 12401A Class A Adapter is an optional module for the 12500, 12530 or 12540 Fire Alarm System
Control Unit. The Class A Adapter provides for the conversion of a group of 4 IDCs and 2 NACs from Class
B to Class A operation. The board mounts to the 12503 Conventional Expansion Board.
PARTS SUPPLIED
1
12401A
Class A Adapter
4
943165
Spacer, 1”
1
446653
Cable Assembly, 34 pin 3 1/2”
1
447062
Instruction Sheet
12401A WIRING
NAC
IDC
NAC
IDC
Smoke/Manual
Initiating Device
Circuit
Class B, Style B
Supervised,
Typical
Powerlimited
Faraday
P/N 10808
3.9K 1/2W
Waterflow
/Supervisory
Initiating Device
Circuit
Class B, Style B
Supervised,
Typical
Powerlimited
Faraday
P/N 10823
2.2K 1/2W
Faraday
P/N 10822
1.8K 1W
Tamper
Waterflow
Smoke/Manual
Initiating Device
Circuit
Class A, Style D
Supervised,
Typical
Powerlimited
Faraday
P/N 10812
4.7K 1/2W
Notification
Appliance Circuit
Class B, Style Y
Supervised, Typical
Powerlimited
Notification
Appliance Circuit
Class A, Style Z
Supervised, Typical
Powerlimited
Class A Adapter
A +
A -
B +
B -
C+
C-
D+
D-
E +
E -
F +
F -
1+
1-
2+
2-
3+
3-
4+
4-
1+
1-
2+
2-
NOTES:
1.)
Units to be installed in accordance with all local
electrical codes.
2.)
Terminal block will accept a maximum of #12
AWG wiring.
3.)
See Owners Manual for ratings and compatible
devices.
Step 1.) Installation is to be done by qualified personnel
who have thoroughly read and understood this
instruction sheet.
Step 2.) Disconnect all power into system, including
batteries.
Step 3.) Mount Class A Adapter(s) as shown, using four
spacers (P/N 943165) to the Conventional
Expansion Board.
Step 4.) Connect cable assembly(s) (P/N 446653) from
the Conventional Expansion Board connector P2
to the Class A Adapter connector P1.
Step 5.) Attach conduit and run wires as required.
Step 6.) Connect wires to the fire alarm system control
unit as required.
NOTE: The circuit shown for the combination Waterflow
and Supervisory devices CAN NOT be wired for
Class A. Waterflow devices can be wired Class
A as shown for a conventional IDC.
Step 7.) Apply power to system.
Step 8.) Check for proper operation of functions.
12401A MOUNTING
Cable Assembly
Class A
Adapter
Spacers
(4)
Conventional
Expansion
Board