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Appendix C: Power Supply and Battery Calculations
Total Current Requirement: ALARM (B)______ Amps.
Battery Capacity Requirement:
([STANDBY (A) ______ ] X [(24 or 60 Hours) ___ ]) + ([ALARM (B) ______ ] X [
♣
Alarm in Hr.] _____) = (C) ______AH
Main Chassis Selection: Select FX-2003-6DS or FX-2003-6DS-16LED or FX-2009(S)-12DS or
FX-2017(S)-12DS if (B) value is less than 12 Amps.
Battery Selection: Multiply (C) by 1.20 to derate battery.
Batteries: BA-110(10AH), BA-117(17AH) will fit in the UB-1024DS
BA-124 (24AH) will fit in the BBX-1072ADS/ARDS, BB-5008, or the BB-5014
BA-140(40AH) will fit in the BC-160 battery cabinet
* Assuming three initiating circuits in alarm.
♣
Use 0.084 for five minutes of alarm or 0.5 for thirty minutes of alarm as a multiplier figure.
♦
Using the System Sensor 2W-B (or C2W-BA) 2-wire smoke detector. See Appendix B: Compatible Devices on
page 85 for other available smoke detectors.
AGD-048
Adder Graphic Driver
Module
X
0.035 =
__(# of LEDs) x 4mA
(Refer to LT-847 if
using lamps)
=
Two-Wire Smoke Detectors
X
♦
0.0001
=
* 0.090
= 0.090
MIX-1251/A Analog Ion Smoke Detector
X
200μA = 0.0065 =
MIX-2251B/A Analog Photo Smoke Detector
X
230μA = 0.0065 =
5551A/RA Analog Thermal Sensor
X
200μA = 0.007 =
MIX-M500MA/MB, MIX-M501MA/MB Monitor
X
400μA = 0.0051/0.0055 =
MIX-M500S/R Monitor Module
X
300μA = 0.0051 =
M500X Fault Isolator Module
X
450μA= 450μA=
B254BI/A Analog Base with Isolator
X
450μA = 0.005 =
Four-Wire Smoke Detectors
X
==
Signal Load (bells, horns, strobes, and etc.)
X
=
Auxiliary Power Supply for Remote Annunciators
=
Alarm
=
Total currents (Add above currents) STANDBY
(A) (B)
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