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Block Diagram: <br /> NEW EQUIPMENT TO REPLACE POTS SYSTEM EXISTING FIRE ALARM SYSTEM(TO REMAIN) <br /> (NEW) FIRE FACP <br /> TYPICAL NAC OUTPUTS <br /> SUBSCRIBER HORNS,STROBES,BELLS... <br /> 1 2 TYPICAL ALARM INPUTS <br /> DETECTORS,PULL STATIONS... <br /> TYPICAL SUPERVISORY INPUTS <br /> DUCT SMOKE DET.,TAMPER SWITCHES... <br /> I <br /> I <br /> I <br /> POT STEM <br /> NOTES (CLASS B SYSTEM): <br /> O120VAC MAIN POWER FOR THE FIRE ALARM SYSTEM(RE-USE <br /> EXISTING(. THIS SYSTEM REQUIRES A DEDICATED CIRCUIT <br /> THAT IS LABELED. "FIRE ALARM CIRCUIT"AND IS ACCESSIBLE <br /> ONLY TO AUTHORIZED PERSONNEL. <br /> OCIRCUIT BREAKER LOCATION(S)SHALL BE PERMANENTLY <br /> NOTED AT ALL FIRE ALARM PANELS <br /> Battery Calculations: <br /> AES 7707 BATTERY CALCULATION WORKSHEET <br /> Standby Transmitting <br /> Source Description Current Current <br /> 7707 MAIN BOARD 0.200 1.200 <br /> TOTAL 0.200 1.200 <br /> 20%Efficiency Factor 1.2 1.2 <br /> 24 Standby Hour Required Ah Required for Stby 5.760 <br /> 5 Alarm Minutes Required Ah Required for Alm 0.120 <br /> Total Ah required for cabinet 5.880 <br /> Battery Capacity Supplied (1)12Ah <br />