Installation Manual

AL1024ULX series - 7 -

Battery size calculation worksheet:

A. AL1024ULX series internal current consumption (stand-by) ______________________ 0.05 A

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. AL1024ULX series internal power consumption (Alarm) ______________________ 0.05 A

F. Load current consumption (Alarm) ______________________ A

G. Alarm duration (Hours; 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:AL1024ULXseriespowersupplyisdesignedtoworkwithbatteriesupto65AH.Pleasenote,line[I]

must not exceeds 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

(e.g. 3.5 AH = 4.0 AH).