Booster Power Supply Manual
15
Battery calculation worksheet
Auxiliary devices
Note:
Only add auxiliary current if SW1-12 is OFF. (Auxiliary output stays on after AC power failure.
Device type
Quantity
Auxiliary current (mA)
Total / device
Total Aux.
A (mA)
NAC devices
Note:
Use strobe 20.4 V current rating for calculations.
Device type
Qty
Alarm current (mA)
Total alarm
Total NAC Alarm Current
B (mA)
Supervisory Current Calculation
Supervisory current
70 + A (if SW1-12 = OFF)
=
(mA)
Supervisory Hours
(i.e. 24,60)
X
(Hr)
Supervisory battery required (mAHr)
=
C (mAHr)
Alarm Current Calculation
Alarm Minutes
(i.e. 5 min.)
=
D (min)
Alarm Hours
(D/60)
=
E (Hr)
Alarm current
190 + A (if SW1-12 = OFF) + B
=
(mA)
Alarm Hours
X
E (Hr)
Alarm battery required (mAHr)
=
F (mAHr)
Total Battery Requirement
Total Amp-Hour Battery Size [(1.11 x C) + (2 x F)] =
1000
10 AH Max.
Technical Manuals Online! - http://www.tech-man.com
