Global Fire JUNO NET - Battery Requirements

BATTERY REQUIREMENTS
The battery AH required are calculated from the following formula
Round up to the next available battery size.
Quiescent currents for individual equipments are listed below:
X
X
(
(
)
)
+
+
20%
EQUIPMENT
QUIESCENT
CURRENT
(mA)
ALARM
CURRENT
(mA)
Main Panel
3 loop sub-panel
Device on loop
24V auxiliary outputs (2 off )
130
76
Refer to manufacturer's data
Refer to connected devices
150
105
Example
A given installation has a 6 loop panel with 58mA detector load, 1.4A sounder load (including loop sounders) and
a 24 hour standby requirement.
Quiescent current
in mA of the panel
with everything
connected.
Alarm current in Amps
(sounder load)
Standby time
required in hours
divided by 1000.
Alarm time
in hours.
X
X
X X
( () )
+
20%
130 (main panel)
+
2 x 76 (6 loops)
+
58 (detector load)
24 (standby in hrs)
divided by
1000
0.5
(alarm time in hrs)
150 (main panel)
+
2 x 105 (6 loops)
+
58 (detector load)
=
340mA
=
8.16AH
= 9.069 AH +20% (1.81AH) = 10.88 AH
The next available battery size is 12AH
=
0.909AH
=
0.024H
=
0.5H
=
418mA +1.4A (sounder load)
=
1.818A
+
( () )
+
+
Quiescent current in mA
of the panel with
everything connected.
Standby time required
in hours divided by 1000.
Alarm current in Amps
(sounder load)
Alarm time in hours
12
Manufacturers of Fire Detection Equipment
INSTALLATION & COMMISSIONING MANUAL REVISION 4.0 05/2013
JUNO NET - NETWORKABLE ADRESSABLE PANEL
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