GE Security ZP3 - Power Supply and Battery Calculations; Table 5: ZP3 System Load Calculation

ZP3 Fire Control Panel Installation, Commissioning and Maintenance Manual
Page 50 REV 11 (ISS 08/03/2010)
Power supply and battery calculations
Two power supply calculations must be done when designing a ZP3 system. Firstly, the capacity
of the power supply must be calculated to ensure that it will be able to supply the system load,
even when the batteries are disconnected or discharged.
Table 5: ZP3 System load calculation
C1 C2 C3 C4 C5 C6 C7
Device Unit
quiescent
current
(Amps)
Unit
fire
alarm
current
(Am
p
s)
Qty Total
quiescent
current
(Amps)
(C3 x C5)
Total
alarm
current
(Amps)
(C4 x C5)
ZP3AB-SCB-D Control bus driver 0.0400
0.0400
ZP3AB-Net1 Network card 0.0700
0.0700
ZP3AB-RS232 Comms card 0.0650
0.0650
ZP3AB-PR1 Printer 0.0370
0.1900
ZP3AB-RL8 Rela
y
board 0.0350
0.1300
ZP3AB-MA8 Sounder board 0.0400
0.2200
ZP3AB-OP24 Out
p
ut board 0.0010
0.0500
Panel and accessories
ZP3AB-MIP8 In
p
ut board 0.0400
0.0600
ZP700 sensors (all t
yp
es) 0.0005
0.0006
ZP700 Loo
p
I/O units (all) 0.0005
0.0006
ZP700 Call
p
oints (all t
yp
es) 0.0005
0.0006
ZP755 Loo
p
sounder
0.0005
0.0025
ZP570 Conventional i/
f
0.1000
0.1000
ZP471 Radio loo
p
interface 0.0400
0.0400
ZP472 Radio loo
p
interface 0.0400
0.1000
ZP3-ECU Extin
g
uishin
g
control units 0.0800
0.2000
Line devices
Conventional detectors (all t
yp
es) 0.0001
0.0000
Alarm bells 0.0000 0.0500
A
larms
Electronic sounders 0.0000 0.0250
Other
Total system load:
Quiescent
load
Fire
alarm
load