Fire-Lite FCPS-24FS8 - Page 39

Calculating the System Current Draw Power Supply Requirements
FCPS-24FS PN 51883:B 12/04/02 39
Table 6.3 contains three columns for calculating current draws. For each column, calculate the
current and enter the total (in amperes) in the bottom row. When finished, copy the totals from
Calculation Column 2 and Calculation Column 3 to Table 6.4 on page 40.
Table 6.3 System Current Draw Calculations
Device Type Calculate Column 1
Primary, Non-Fire Alarm Current
(amps)
Calculate Column 2
Primary, Fire Alarm Current
(amps)
Calculation Column 3
Secondary, Non-Fire Alarm Current
(amps)
Qty X (current draw) = Total Qty X (current draw) = Total Qty X (current draw) = Total
Main Circuit Board 1 X [ 0.091] = 1 X [ 0.091] = 1 X [ 0.065] =
Power Supervision
Relay
[ ] X [ 0.025] = [ ] X [0.025 ] = [ ] X [ 0.025] =
NAC/Output #1
[ ] X [ ] =
NAC/Output #2 [ ] X [ ] =
NAC/Output #3 [ ] X [ ] =
NAC/Output #4 [ ] X [ ] =
Current Draw from
TB4 Terminals 9 & 10
[ ] = [ ] = [ ] =
Sum each column
for totals
Primary Non-Alarm = Primary Alarm = Secondary Alarm =