Secutron MR-2300 Series Installation And Operation Manual page 92

Smart Remote
MR-2300-LCD
Annunciator
MR-2306/
Remote Annunciator
2312-ATW
Remote Trouble
MR-2300T
Indicator
Two-Wire Smoke Detectors
Four-Wire Smoke Detectors
Signal Load (bells, horns, strobes, and
etc.)
Auxiliary Power Supply for Annunciators, etc.
Total currents (Add above currents)
STANDBY
*
Assume three Initiating Circuits are in alarm.
Use 0.084 for five minutes of alarm or 0.5 for thirty minutes of alarm as a multiplier figure.
'
Using the Secutron 1400 2-wire smoke detector.

Total Current Requirement:ALARM (B) _____ Amps. (Value obtained from column B)
Battery Capacity Requirement:
([STANDBY (A) ______ ] X [(24 or 60 Hours) ___ ]) + ([ALARM (B) ______ ] X [ ' Alarm in Hr.] _____) = (C)
______AH
Total Alarm Current: Must be 6 amperes or less for MR-2300 Series. Indicating Circuits must not exceed 5
amperes.
Battery Selection: Multiply (C) by 1.20 to derate battery.
92
Appendix D: Power Supply and Battery Calculations (Selection Guide)
X 0.056 =
X 0.035 =
X 0.035 =
X  0.00012 =
X =
X
=
0.065 =
0.090/0.140 =
0.035 =
* 0.090 = 0.090
=
=
=
(
ALARM
A
)
(
B
)