Appendix B: Worksheets
196 Vigilant VS1 and VS2 Technical Reference Manual
Battery calculation worksheet
Use this worksheet to determine the minimum amp hour capacity required for the
panel’s standby battery. You can obtain operating current requirements for
notification appliances from their respective installation sheets.
Battery calculation worksheet
Standby
current (mA)
Alarm
current (mA)
Control panel
(use Worksheet A and place totals here)
Auxiliary/smoke power
(use Worksheet B and place totals here)
NAC 1
NAC 2
NAC 3
NAC 4
Total current
Operating time required
hr
min
÷ 60
+ = mAh
1.2
mAh
1,000
Battery size [1] Ah
[1] Battery size may not exceed 26 Ah for UL/ULC systems. See Appendix A “Panel specifications” on
page 191 and “Battery wiring (TB8)” on page 7 for battery details.
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