A.3.2: Calculating The Battery Size - Notifier NFS-320 Installation Manual

Calculating the Battery Requirements
A.3.2 Calculating the Battery Size
Use this table to choose the battery size, in amp-hours, needed to support the fire alarm system.
The CPS-24/E can charge batteries from 18 to 200 AH. Select batteries that meet or exceed the
Total Amp-Hours calculated in Table A.4 and that are within the acceptable battery charger range.
Write the amp-hours requirements on the Protected Premises label.
The maximum battery size that can be mounted inside the NFS-320's cabinet is 26AH.
Battery Size
18 AH
26 AH
100 AH
*Manufactured to our specifications.
†
Red version available; add "R" to part number listed here
NFS-320/E/C Installation Manual — P/N 52745:M2 7/1/14
Voltage Number
Rating Required
12 volts two
12 volts two
12 volts four for 100 AH
two for 200 AH
Table A.5 Selecting Battery and Battery Backbox
Part
Backbox Part Number
Number*
BAT-12180 NFS-320 enclosure, BB-25
BAT-12260 NFS-320 enclosure, BB-25
BAT-121000 BB-100
BB-200
Power Supply Calculations
†
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