20 FCP-75 Manual — P/N LS10147-003FK-E:A 3/17/2021
Before You Begin Installing Calculating Current Draw and Standby Battery
Maximum Battery Standby Load
The table below shows the maximum battery standby load for the FCP-75 based on 24 and 60 hours of standby. The standby load calcula-
tions of line D in the Current Draw Calculation Worksheet (Table 3.4) must be less than the number shown in the table below for the battery
size used and standby hours required.
Rechargeable Battery Size
Max. Load 24hrs Standby,
5 minutes Alarm
*Max. Load for 60hrs Standby,
5 minutes Alarm
7AH 221mA 85mA
18AH 675mA 250mA
33AH 1.1A 450mA
Table 3.4 Maximum Battery Standby Load
NOTE: *Required for NFPA 72 Auxiliary Protected Fire Alarm systems for Fire Alarm Service (City Box) and Remote Station Protected Fire
Alarm systems (Polarity Reversal) and Digital Alarm Communicator/Transmitter (DACT).
WARNING: BATTERIES
FIKE DOES NOT SUPPORT THE USE OF BATTERIES SMALLER THAN THOSE LISTED IN TABLE ABOVE. USING A
BATTERY TOO SMALL FOR THE CONFIGURATION COULD OVERLOAD THE BATTERY, RESULTING IN THE BATTERY
HAVING LESS THAN THE REQUIRED 24 HOURS STANDBY POWER. USE THE CURRENT CALCULATION WORKSHEET
TO CALCULATE THE CORRECT BATTERY AMPERES/HOUR RATING NEEDED FOR THE SYSTEM CONFIGURATION.
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