Installation Instructions User Manual

- 14 - M series
AL1024ULM Battery size calculation worksheet.
A. AL1024ULM internal current consumption (standby) _______________ .13 A
B. Load current consumption (standby) _______________ A
C. Standby time required (hours) _______________ H
D. Battery capacity required for standby (A+B)*C _______________ AH
E. AL1024ULM internal power consumption (Alarm) _______________ .13 A
F. Load current consumption (Alarm) _______________ A
G. Alarm duration (Hours, example:15 Min=.25 Hour) (Alarm) _______________ H
H. Battery capacity required for Alarm (E+F)*G _______________ AH0
I. Total calculated battery capacity D+H _______________ AH
J. Battery capacity required I*1.8 (safety factor) _______________ AH
Note: AL1024ULM power supply is designed to work with batteries up to 65AH. Please note, line [I] must not exceeds
36AH. You have to reduce either standby current consumption or standby time in order to comply with requirement.
To determine actual battery size please round line [J] to the nearest larger standard battery size.