18 GWF-7075 Addressable Fire Alarm Control Panel Manual — P/N LS10147-002GF-E:E 06/11/2019
Installation Instructions Criteria Calculating Current Draw and Standby Battery
3.6.3 Maximum Battery Standby Load
The table below shows the maximum battery standby load allowed to power the GWF-7075 based on 24 and 60 hours of standby power.
The standby load calculations 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 for 24 hrs. Standby,
5 mins. Alarm
*Max. Load for 60 hrs. Standby,
5 mins. Alarm
7AH 221mA 85mA
18 AH 675 mA 250 mA
33 AH 1.1 A 450 mA
Note: This current is 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).
Table 3.4 Maximum Battery Standby Load
WARNING: BATTERY RESTRICTION:
GAMEWELL-FCI DOES NOT SUPPORT THE USE OF BATTERIES SMALLER THAN THOSE LISTED IN TABLE ABOVE.
IF YOU USE A BATTERY TOO SMALL FOR THE INSTALLATION, THE SYSTEM MAY OVERLOAD THE BATTERY,
CAUSING THE INSTALLATION TO HAVE LESS THAN THE REQUIRED 24 HOURS STANDBY POWER.
USE THE CURRENT CALCULATION WORKSHEET TO CALCULATE THE CORRECT BATTERY AMPERES/HOUR
RATING REQUIRED FOR YOUR INSTALLATION.
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