FARADAY, LLC
446066 ISSUE I Rev. C
PAGE 1 OF 6
INSTALLATION INSTRUCTIONS AND WIRING FOR
AUXILIARY POWER SUPPLY
CAT. NO. APS-1 P/N 12408
The 12408 Auxiliary Power Supply is an optional accessory for a fire alarm system control unit. This unit
provides two power supply outputs, each can supply up to 1.5 amps of current, for a total of 3 amps of alarm
current. The power supply is limited to a total of 2 amps of normal standby current. A dry contact trouble
output is provided which can be monitored by the fire alarm system control unit. The 12408 also provides
ground fault supervision of the power supply outputs.
PARTS SUPPLIED
1
12408-120 or Auxiliary Power Supply
12408-240
1
443269
Screwdriver
1
446066
Instruction Sheet
12408 DIMENSIONS
1"
12 3/8"
4 7/8"
14 3/8"
9 1/2"
11 3/4"
7/16"
TYP.
8 7/32"
1 9/32"
2 5/8"
12408 SURFACE MOUNTING
Box 10"
Door 10 9/32"
Box 14 3/8"
Door 14 3/4"
6"
Step 1.) Installation is to be done by qualified personnel
who have thoroughly read and understood this
instruction sheet.
CAUTION: It is recommended that the p.c. board
be removed for any procedure that may
cause dust, metal shavings, grease or
any such matter that may affect the
circuit board and/or parts.
Step 2.) Disconnect all power into system, including
batteries.
Step 3.) Mount backbox as required. If the power supply
is to be mounted semi-flush, the backbox may be
mounted up to 3.5” into the wall. Place the 12409
Semi-Flush Trim around the backbox and secure
to the wall with four #10 x 3/4” wood screws
(P/N 940454).
NOTE: The screw type may be required to be
different depending on the wall material.
Step 4.) Attach conduit and run wires as required.
NOTE: The nonpower-limited wiring must be run
in separate conduit and maintain 1/4”
separation from power-limited wiring.
Step 5.) Connect wires to auxiliary power supply as
required.
Step 6.) Apply power to system.
Step 7.) Check for proper operation of functions.
12408 SEMI-FLUSH MOUNTING
13 7/8"
17 1/2"
3 1/2" Max.
NOTE: See box dimensions at left for opening size.
Содержание 12530-120
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