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Seatronics, Inc. <br />STANDBY BATTERY CALCULATION <br />FOR AIRPLANE VESDA SYSTEM <br />Notes: System 120 VAC input is fed from emergency power source <br />PROJECT#: <br />6440101 <br />DATE: <br />4/14/2023 <br />PROJECT: <br />Boeing Bldg. 40-21, 40-22 & 40-24 VESDA SYSTEMS <br />POWER SUPPLY <br />VESDA SYSTEM POWER SUPPLY, <br />IDENTIFICATION: <br />Altronix AL4000LX (at each position) <br />PWR. SUPPLY SIZE: <br />VOLTS: 24 <br />MAX. AMPS: <br />4 <br />STANDBY TIME <br />ALARM <br />REQUIRED: <br />SUPV. HRS.: 48 <br />MINUTES: <br />10 <br />NOTES: <br />POWER SUPPLY IS FED FROM EMERGENCY POWER SOURCE. <br />DEVICE/ <br />QTY. SUPV. <br />TOTAL <br />ALARM <br />TOTAL <br />MODULE <br />(mA) <br />SUPV. (mA) <br />(mA) <br />ALARM (mA) <br />Vedsa Detector VEU-A00 1 510 <br />510 <br />550 <br />550 <br />Vesda Display Module 1 90 <br />90 <br />130 <br />130 <br />Vesda graphics interface mod.(ADAM) 1 45 <br />45 <br />45 <br />45 <br />Air Flow Display Mod. <br />1 100 <br />100 <br />160 <br />160 <br />Air Flow xducr. <br />1 110 <br />110 <br />200 <br />200 <br />Aux relay <br />1 30 <br />30 <br />30 <br />30 <br />NAC-drvr mod.(HCP) <br />1 18 <br />18 <br />18 <br />18 <br />NAC-horn/strobe <br />2 0 <br />0 <br />220 <br />440 <br />TOTAL <br />TOTAL <br />SUPV. (mA) <br />903 <br />ALARM (mA) <br />1573 <br />CALCULATION: <br />SUPERVISION CURRENT <br />ALARM CURRENT <br />(5 minutes =.083 hrs.) <br />(10 minutes =.167 hrs.) <br />RESERVE FACTOR 20% <br />MIN. AMP HOUR REQUIRED <br />AMP HOUR SELECTED <br />903 mA X 48 HRS = <br />43344 mA HRS <br />1573 mA X 0.167 HRS = <br />262 mA HRS <br />TOTAL = <br />43606 mA HRS <br />1.20 X 43606 mA HRS = <br />52327 mA HRS <br />52.3 AH <br />= 55 Power Sonic PS 12550 <br />