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ACM220 Series Installation Guide
AL1024ACM220 Battery Size Calculation Worksheet:
A. AL1024ACM220 internal current consumption
(stand-by)
__________ 0.35A
B. Load current consumption
(stand-by)
__________ A
C. Stand-by time required (Hours)
__________ H
D. Battery capacity required for stand-by
(A+B)*C
__________ AH
E. AL1024ACM220 internal power consumption
(Alarm)
__________ 0.35A
F. Load current consumption
(Alarm)
__________ A
G. Alarm duration (Hours, example: 15 Min. = 0.25 Hour)
(Alarm)
__________ H
H. Battery capacity required for Alarm
(E+F)*G
__________ AH
I. Total calculated battery capacity
D+H
__________ AH
J. Battery capacity required
I*1.8 (safety factor) __________ AH
Note:
AL1024ACM220 power supply is designed to work with batteries up to 65AH. Please note, line [I]
must not exceed 36AH. You have to reduce either stand-by current consumption or stand-by time in
order to comply with requirement.
To determine actual battery size please round line [J] to the nearest larger standard battery size.
