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IFP-2000 Installation Manual
1. Total does not include isolator devices or accessory bases.
2. If using 24 VDC aux power only. No standby or alarm current for battery calculation if using 24 VAC, 120 VAC or
240 VAC.
3. If using door holders, you do not need to consider door holder current for alarm/battery standby, because power is
removed during that time. However, during normal operation, door holders draw current and must be included in the
9.0A total current that can be drawn from the panel.
4. Use next size battery with capacity greater than required.
5. Maximum SBUS address capacity is 63 SBUS modules. The practical limit is determined by the amount of SBUS
bandwidth consumed by each SBUS module. See section 4.5.2
3.6.3
Maximum Battery Standby Load
Table 3-2 and Table 3-3 show the standby load calculations for the IFP-2000 based on 24 and
90 hours of standby. The standby load calculations of line D in the Current Draw Calculation
Worksheet (Table 3-1) must be less than the number shown in Table 3-2 and Table 3-3 for the
selected battery size, standby hour and alarm time. The numbers below have a built in 20%
derating factor for the battery amp hour capacity.
Table 3-2: Maximum Battery Standby Loads for 24 Hour Standby
Rechargeable
Battery Size
17AH
18AH
24AH
33AH
35AH
40AH
55AH
Table 3-3: Maximum Battery Standby Loads for 90 Hour Standby*
Note: *For FM installations only
Rechargeable
Battery Size
33 AH
40 AH
55 AH
Silent Knight does not support the use of batteries smaller than those listed in Table 3-2 and Table 3-3. If you
use a battery too small for the installation, the system could overload the battery resulting in the installation
having less than the required 24 hours standby power. Use Table 3-2 and Table 3-3 to calculate the correct
battery amperes/hour rating needed for your installation. It is recommended that you replace batteries every
five years.
3.7
Installation Tasks Overview
This section provides a chart listing tasks that need to be performed when installing the IFP-
2000 system. The chart is intended to be a handy way for you to make sure you have
completed all necessary tasks. Unless noted, these tasks do not have to be performed in the
3-10
24 hr Standby,
5 mins. Alarm
535 mA
569mA
769 mA
1.07A
1.14A
1.30A
1.80A
90 hr Standby,
5 min alarm
N/A
347mA
480mA
Warning!
firealarmresources.com
24 hr Standby,
15 min alarm
473mA
506mA
706mA
1.01A
1.07A
1.24A
1.74A
90 hr Standby,
15 min alarm
N/A
331mA
464mA
24 hr Standby,
20 min alarm
442mA
475mA
675mA
975mA
1.04A
1.21A
1.71A
90 hr Standby,
20 min alarm
N/A
322mA
456mA
151430
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Troubleshooting
