Securitron FAR_Series User Manual

Securitron For Home

Securitron Magnalock Corp.

www.securitron.com

ASSA ABLOY, the global leader

Tel

800.624.5625

[email protected]

in door opening solutions

PN# 500-14100

Page 1

Rev. D, 07/11

SECURITRON MODEL FAR-12, FAR-24, FIRE ALARM RESET MODULE

INSTALLATION INSTRUCTIONS

1. DESCRIPTION
Securitron’s Fire Alarm reset module interconnects with a Securitron BPS series power supply
and a fire alarm (made by others). The purpose is to provide additional safety and control in

an installation where activation of the fire alarm is intended to switch off the BPS power supply.
This is often done to release power to magnetic locks which are installed on perimeter doors so
as to permit safe evacuation in the event of a fire. The module has three specific functions:

 It will maintain the released condition of devices released by activation of the fire alarm even

after the fire alarm resets and until the module itself is reset by key.

 It allows key controlled release of the same devices (separate from the fire alarm control).
 It signals the released or “normal” condition of the devices via a bicolor led.

2. WIRING

FIG. 1: INTERWIRING BETWEEN FIRE ALARM, POWER SUPPLY AND FAR

FIRE ALARM

INTERFACE

(LATCHING

AUXILIARY

RELAY)

TERMINAL

STRIP

BPS POWER

SUPPLY

FAR-12, 24

BE SURE THE VOLTAGE OF THE

FAR MATCHES THE VOLTAGE

OF THE POWER SUPPLY

INSURE WIRE GAUGE THICKNESS IS SUFFICIENT TO
CONDUCT FULL OUTPUT OF POWER SUPPLY

Note that the designation “R#” in the power supply refers to any of the common DC negative
terminals marked “R” in that unit and be sure that the gauge wire you select to make the above
connections is sufficiently thick to handle the full output current of the power supply. Also, a
UL listed auxiliary latching relay with NC contacts of sufficient capacity to handle the

full output of the power supply must be furnished as part of the fire alarm system (by the
fire alarm system contractor).

3. OPERATION
Note that when first connected, the red LED on the FAR will be illumined and the devices

connected to the system will be in the released condition (no power received). When the key is
turned in the “reset” direction, the green LED will come on and the devices will receive power.
The action of turning the key in the reset direction sets a relay interlock in the FAR.

At any later time, when the fire alarm activates, power to the devices will be immediately cut by
the fire alarm auxiliary latching relay. The power is cut in a second place in the circuit by the

FAR’s internal relay which drops out. This will also happen if power is momentarily
interrupted for any reason. For example, in a system where battery backup is not being
employed, a momentary failure of building line voltage will drop out the FAR’s relay interlock.
The red LED will come on (when power resumes) and power will be denied to the devices until
the key is turned in the reset direction.