nstallation Instructions

AL1042ULADA - 9 -
Battery Calculation Worksheet

Device
Number of
Devices
Current per Device
Stand-by
Current
Alarm
Current
Foreachdeviceusethisformula:  Thiscolumn x Thiscolumn = Equals Currentpernumberofdevices.
AL1042ULADA
(Currentdrawfrombattery)
1
Stand-by: 130mA 130mA
Alarm:  300mA 300mA
A AL1042 Current
130mA 300mA
AuxiliaryDevices Refertodevicemanualforcurrentratings.
Alarm/Stand-by mA mA mA
Alarm/Stand-by mA mA mA
Alarm/Stand-by mA mA mA
B Auxiliary Devices Current (must not exceed 1 amp)
Refertodevicemanualforcurrentratings.
Alarm: mA 0mA mA
Alarm: mA 0mA mA
Alarm: mA 0mA mA
Alarm: mA
0mA mA
C
NotificationAppliancesCurrent must notexceed10amp(10,000mA) 0mA
mA
D
Totalalarmcurrent mA mA
E
Totalcurrentratingsconvertedtoamperes(lineDx0.001) A A
F
Numberofstand-byhours(24forNFPA72,Chapter1,1-5.2.5). H
G
MultiplylinesEandF.  Totalstand-byAH AH
H
Alarmsoundingperiodinhours.
(Forexample,5minutes=.0833hours.)
H
I
MultiplylinesEandH. TotalalarmAH AH
J
AddlinesGandI. Totalstand-byandalarmAH AH
K
MultiplylineJby1.30.
(30%extrainsurancetomeetdesiredperformance)
Totalampere-hoursrequired
AH
Unitsarecapableofrecharging36AHbatterymax.Iftotalampere-hourrequiredexceeds36AH,
decreaseAUXcurrenttoprovideenoughstand-bytimefortheapplication.