
FARADAY, LLC
446062 ISSUE I REV. B
PAGE 1 OF 1
INSTALLATION INSTRUCTIONS AND WIRING FOR
ALARM RELAY BOARD
CAT. NO. ARB P/N 12402
The 12402 Alarm Relay Board is an optional module for the 12400, 12500, 12530 or 12540 Fire Alarm
System Control Unit. The Alarm Relay Board provides 12 zone alarm relays with form “C” contacts, rated
for 1 amp at 30 VDC or .5 amp at 30 VAC. The board mounts to the Main Termination Board.
PARTS SUPPLIED
1
12402
Alarm Relay Board
4
943165
Spacer, 1”
1
446051
Cable Assembly, 26 pin 3 1/2”
1
446062
Instruction Sheet
12402 WIRING
P2
7A 7O 7C 9A 9O 9C 11A 11O 11C
To Chassis Ground
From Main Termination Board
Expansion Plug to DACT
P1
1A 1O 1C 3A 3O 3C 5A 5O 5C
2A 2O 2C 4A 4O 4C 6A 6O 6C
8A 8O 8C 10A 10O 10C 12A 12O 12C
TYPICAL CONTACT CONNECTIONS
(TRANSFERS ON ZONE ALARM)
RATED 1 AMP @ 30 VDC
OR .5 AMP @ 30 VAC
Not Supervised
For Powerlimited Source
A
O
C
NOTES:
1.)
Units to be installed in accordance with all local
electrical codes.
2.)
Terminal block will accept a maximum of #14
AWG wiring.
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 Alarm Relay Board as shown, using four
spacers (P/N 943165) to Main Termination Board.
Step 4.) Connect cable assembly (P/N 446051) from the
12400 Main Termination Board connector P7 or
12500 Main Termination Board connector P11 to
the Alarm Relay Board connector P2.
Step 5.) Attach ground wire to backbox as shown.
Step 6.) Attach conduit and run wires as required.
Step 7.) Connect wires to fire alarm system control unit as
required.
Step 8.) Apply power to system.
Step 9.) Check for proper operation of functions.
12402 MOUNTING
W
U
+
R
-
R
-
P1
P2
Attach to Stud in
Backbox with #6-32 Keps Nut
Cable Assembly
Spacers