Potter Releasing Systems - Manual (Page 61)

61
Battery Size Requirements and Maintenance
These panels require a 24 volt gel-cell battery for proper operation. 24 hours of standby power is required for
Local Systems and Central Station (NFPA-72).
The chart below will assist you in selecting the proper size battery: (Does not include LED Annunciator)
Number
of Smoke
Detectors
Number of
Bells
(100mA each)
Auxiliary Power
Requirements
Standby Hours
Required
Battery Size
(2 Required)
Part/Stock
Number
0-100 0-10 0-25mA 24 24AH BT-80/5130084
0-100 0-10 0mA 90 90AH BT-120/5130090
0-100 0-10 0-30mA 90 18AH BT-180/5130086
Note: Maximum allowed battery size for UL Listings is 12AH. FM and others may require more than 24 hours
of standby time and may use larger batteries. Batteries rated above 12AH require a separate battery cabinet (Pot-
ter Model BC-2). Mark the purchase date on the batteries. Test the batteries at least semi annually according to
the battery test methods in NFPA72 or the battery manufacturers instructions. Replace the batteries if they either
fail the test or after four years of use.