Fire-Lite Alarms MS-9200 Programming, Installation, Maintenance And Operating Instruction Manual page 83

Power Supply Calculations
Battery Calculations
TABLE A-4:
Standby Load
Current (amps)
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Alarm Load
Current (amps)
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Add Standby and Alarm Load for Required Ampere Hour Battery
Notes:
Up to 7 AH batteries can be located in the older MS-9200 backbox, up to 12 AH batteries can be located in the
1.
newer MS-9200 backbox
12 AH (older backbox) to 18 AH (older and newer backbox) batteries require the Fire•Lite BB-17F battery
2.
box
When new MS-9200 main circuit board is installed (allows disabling of FACP battery charger), the
3.
CHG-120F Battery Charger for 25 AH to 100 AH batteries (requires separate housing)
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Required Standby Time in Hours
X
Required Alarm Time in Hours
X
Multiply by the Derating Factor or 1.2
Total Ampere Hours (AH) Required
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(24 or 60 Hours)
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(i.e. 5 minutes = 0.084)
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Document #15668 Rev.I 04/20/98 P/N 15668:I
= __________
= __________
= __________
X 1.2 __________
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