Notifier AFP-300 Installation Manual

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Contents

Calculating the Battery Requirements $SSHQGL[ * 3RZHU 6XSSO\ &DOFXODWLRQVAFP-300/AFP-400 Installation PN 50253:C1 05/22/97 G-5&DOFXODWLQJWKH%DWWHU\5HTXLUHPHQWV&DOFXODWLQJWKH%DWWHU\&DSDFLW\Use Table G-4 to determine the battery capacity needed for the system:7DEOH * 6HFRQGDU\ 3RZHU 6WDQGE\ DQG )LUH $ODUP /RDGThe following notes apply to Table G-4:1. NFPA 72 Local, Proprietary, and Central Station systems requires 24 hours ofstandby power followed by 5 minutes in alarm.2. NFPA 72 Auxiliary and Remote Station Systems require 60 hours of standbypower followed by 5 minutes in alarm.3. Batteries installed in a system powered by an automatic starting engine generatorneed to provide at least 4 hours of standby power.4. Factory Mutual requires 90 hours of standby for deluge-preaction systems.5. Emergency voice/alarm communications systems require 2 hours of operation inthe alarm condition. Due to the sporadic nature of voice operation, however,NFPA 72 permits 15 minutes of operation at a maximum connected load to equal2 hours of normal use.6. If the total exceeds 25 AH, the system requires a separate BB-55 battery enclosurefor two PS-12550, 55 AH batteries. If the total exceeds 55 AH, an UninterruptablePower Supply with sufficient amp-hour capacity is needed. The UninterruptablePower Supply must be UL-listed for Fire-Protective Signaling.&DOFXODWLQJWKH%DWWHU\6L]HUse Table G-5 to sum the standby and alarm loads which determine the battery size, inamp-hours, needed to support the fire alarm system. Select batteries that meet orexceed the Total Amp-Hours calculated and that are within the acceptable batterycharger range (12-55 AH). Write the amp-hours requirements on the ProtectedPremises label.7DEOH * 6HOHFWLQJ WKH %DWWHU\ 6L]HSecondary Non-FireAlarm (current fromcolumn 3 in Table G-2)X Required Secondary Non-Fire AlarmStandby Time (24 or 60 hours)= Non-Fire AlarmSecondary AmpHoursSecondary Fire AlarmLoad (from column 1 inTable G-2)X Required Fire Alarm Standby Time(for 5 minutes, enter 0.084; for15 minutes, enter 0.25)= Secondary FireAlarm Amp HourRequirementSum Column for Total Secondary Amp Hours calculated =Multiply by the derating factor x 1.2 =Battery Size – Total Secondary Amp Hours Required AHBattery Size Voltage Rating NumberRequiredPartNumberCabinetSize12 AH 12 volts two PS-12120 CAB-A3, B3, C3, D325 AH 12 volts two PS-12250 CAB-A3, B3, C3, D355 AH 12 volts two PS-12550 BB-55www.PDF-Zoo.com

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