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Seatronics, Inc. <br />STANDBY BATTERY CALCULATION <br />for FACP <br />Note: Calculation based on 48 hour standby time. <br />PROJECT#: <br />9132326 <br />DATE: <br />3/4/24 <br />PROJECT: <br />Boeing 45-312 <br />POWER SUPPLY <br />Fire Alarm Panel - FACP, <br />Siemens <br />IDENTIFICATION: <br />FC901, with 170W Pwr. Supply <br />PWR. SUPPLY SIZE: <br />VOLTS: <br />24 <br />MAX. AMPS: 6 <br />STANDBY TIME <br />ALARM <br />REQUIRED: <br />SUPV. HRS.: 48 <br />MINUTES: 10 <br />NOTES: <br />DEVICE/ <br />QTY. <br />SUPV. <br />TOTAL <br />ALARM <br />TOTAL <br />MODULE <br />(mA) <br />SUPV. (mA) <br />(mA) <br />ALARM (mA) <br />FAP Modules: <br />MAIN BOARD <br />1 <br />159 <br />159 <br />186 <br />186 <br />TELGUARD PWR <br />1 <br />42 <br />42 <br />110 <br />110 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />Field Devices: <br />MANUAL STATIONS <br />3 <br />1.1 <br />3.3 <br />1.1 <br />3.3 <br />SMOKE DETECTORS <br />6 <br />1.1 <br />6.6 <br />1.1 <br />6.6 <br />INTERFACE MODULES (IFD) <br />1 <br />1.1 <br />1.1 <br />1.1 <br />1.1 <br />HEAT DETECTORS <br />2 <br />1.1 <br />2.2 <br />1.1 <br />2.2 <br />NAC 1 <br />1 <br />0 <br />0 <br />410 <br />410 <br />NAC 2 <br />1 <br />0 <br />0 <br />0 <br />0 <br />TOTAL <br />TOTAL <br />SUPV. (mA) 214.2 <br />ALARM (mA) <br />719.2 <br />CALCULATION: <br />SUPERVISION CURRENT <br />214.2 <br />mA X <br />48 HRS = <br />10282 mA HRS <br />ALARM CURRENT <br />719.2 <br />mA X <br />0.167 HRS = <br />120 mA HRS <br />(5 minutes =.083 hrs.) <br />(10 minutes =.167 hrs.) <br />TOTAL = <br />10401 mA HRS <br />SAFETY FACTOR <br />1.3 <br />X <br />10401 mA HRS = <br />13522 mA HRS <br />AMP HOUR REQUIRED <br />= <br />13.5 <br />AH <br />AMP HOUR SELECTED <br />= <br />18 <br />AH Powersonic PS-1218 <br />Note: Panel requires minimum battery size of 7AH <br />