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Appendix A: Battery Calculations
Table A-1: Standby Battery Requirements
The Standby Battery Current figure obtained in Table A - 1 represents the amount of current that must
be supplied by the secondary power source (batteries) to sustain control panel operation for one hour.
Basic Control Panel
Control panel with AC power off, System Trouble LED and audible trouble sounder on.
If using a 4XZMF Zone Relay Module
If using a 4XTMF Transmitter Module, add 11 mA
If using a 4XLMF/RZA-4XF Driver/Annunciator combination:
If using a 4XMMF Meter Module, add 1 mA
If using the Noti•Fire 911A DACT , add 30 mA
a. Two-wire detector heads
b. Four-wire detector heads
c. End-of-Line Relays
d.
Note:
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If using the Reverse Polarity Alarm output, add 5 mA
If using the Reverse Polarity Trouble output, add 5 mA
Number
in use
Document, 15384, for data )
Add lines a, b, & c for subtotal
Add last column for Standby Battery Current :
and continue to Table A-2.
The control panel will support the installation of one or two optional modules, including two of
the same type of module (with the exception of the 4XLMF).
MS-4424 15153:F1 06/18/97
firealarmresources.com
1
[ ] X 8 mA
=
1
[ 1 ] X 19 mA =
Total
Device
Current
Current
(see Device Compatibility
X
=
X
=
X
25.0 mA
=
Place subtotal here
88 mA
+
27
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