Secutron MR-2312-DDR User Manual

92
Appendix D: Power Supply and Battery Calculations (Selection Guide)
*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.
MR-2300-LCD
Smart Remote
Annunciator
X0.056 = 0.065 =
MR-2306/
2312-ATW
Remote Annunciator X 0.035
= 0.090/0.140 =
MR-2300T
Remote Trouble
Indicator
X0.035
= 0.035 =
Two-Wire Smoke Detectors X  0.00012
= * 0.090 = 0.090
Four-Wire Smoke Detectors X
= =
Signal Load (bells, horns, strobes, and
etc.)
X
=
Auxiliary Power Supply for Annunciators, etc.
= =
Total curr ents (A dd ab ove c urren ts)
STANDBY
(
A
)
ALARM
(
B
)

Secutron MR-2312-DDR Specifications

General

Brand	Secutron
Model	MR-2312-DDR
Category	Control Panel
Language	English