Page: 92
JFS-A1 INSTALLATION, OPERATION, AND INSTRUCTION MANUAL
Document #: DOC230
Issued: August 27, 2012
Revised: N/A
Rechargeable Battery Circuit
e battery charging circuit is on the power supply board providing terminal connections to connect the wire leads.
e battery must be a recognized or listed sealed lead acid battery or equivalent.
e battery circuit is rated for 8 to 55 AH batteries and will operate the panel alarm for at least 24 hours and
5minutes. e cabinet will house up to two (2) 18 AH batteries.
e battery charging voltage is approximately 27.3 VDC and the circuit is supervised. e maximum battery
charging circuit is 1.0 amp DC.
Battery Circuit Calculation
Before selecting the battery, the installer must determine the minimum size batteries for standby and alarm times
desired for each application. If the wrong batteries are installed or incorrect current draw used, the proper standby
and minimum alarm time will not be present.
Please use the Battery Calculation Worksheet included in this section to calculate the battery size and current draw
required for each application.
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