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FIR2024-0026+Fire_Alarm_Battery_Calculations+3.19.2024_10.39.03_AM+4143654
Global Project Val . SILENT Project Name: The Atrium Standby Hours:KNIGHT 24 Project ID: Alarm Mins:3 �5 Prepared By: Tomas Fitzwater Derating Factor: 1.2 0: Calculations Date: 3/13/2024 Voltage Drop Warning Version 02.26.09 Threshold % : 10 Panel ID: SK-5207 Model: SK-5208 Fire Alarm Control Panel Max NAC Current: 3.0 Amps Location: Volts: 24 VDC Max Panel Current: 6.0 Amps Current Draw Wire AWG Ohms Per Length(ft) Actual Volts @ o Ckt.# Circuit Name Qty StandbyAlarm & Type 1000 Ft. One-WayOhms EOL �oDrop SK-5208 SK-5207 1 0.140 0.550 SK-5210 SK-5210 1 0.060 0.260 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 IDC-1 Not Used 0.000 NA** IDC-2 Not Used 0.000 NA** IDC-3 1 st Floor Lobby Smoke 0.020 NA** IDC-4 2nd Floor Lobby Smoke 0.020 NA** IDC-5 3rd Floor Lobby Smoke 0.020 NA** IDC-6 Top of Elevator Shaft Hey 0.000 NA** IDC-7 Elevator Control Room Si 0.020 NA** IDC-8 Garage Heats 0.000 NA** IDC-9 Basement Pull 0.000 NA** IDC-10 1st Floor Pulls 0.000 NA** IDC-11 2nd Floor Pulls 0.000 NA** IDC-12 3rd Floor Pulls 0.000 NA** IDC-13 Sprinkler Waterflow 0.000 NA** IDC-14 Initiating Device Ckt 14 0.000 NA** IDC-15 Initiating Device Ckt 15 0.000 NA** IDC-16 Initiating Device Ckt 16 0.000 NA** IDC-17 Initiating Device Ckt 17 0.000 NA** IDC-18 Initiating Device Ckt 18 0.000 NA** IDC-19 Initiating Device Ckt 19 0.000 NA** IDC-20 Initiating Device Ckt 20 0.000 NA** IDC-21 Inactive, Add SK-5217 0.000 NA** IDC-22 Inactive, Add SK-5217 0.000 NA** IDC-23 Inactive, Add SK-5217 0.000 NA** IDC-24 Inactive, Add SK-5217 0.000 NA** IDC-25 Inactive, Add SK-5217 0.000 NA** IDC-26 Inactive, Add SK-5217 0.000 NA** IDC-27 Inactive, Add SK-5217 0.000 NA** IDC-28 Inactive, Add SK-5217 0.000 NA** IDC-29 Inactive, Add SK-5217 0.000 NA** IDC-30 Inactive, Add SK-5217 0.000 NA** NAC-1 Front outside Bell 0.000 0.200 #14 Solid 2.52 100 0.50 20.30 0.49% NAC-2 First Floor H/S 0.000 1.500 #14 Solid 2.52 250 1.26 18.51 9.26% NAC-3 2nd Floor H/S 0.000 1.500 #14 Solid 2.52 250 1.26 18.51 9.26% NAC-4 RIPS NAC Trip 0.000 0.000 #12 Solid 1.59 =1 2 0.01 20.40 0.00% Aux M2m Cell Communicator 0.200 0.000 #12 Solid 1.59 0.00 20.40 0.00% Total Standby Current (Amps) 0.480 4.010 Total Alarm Current (Amps) Alarm Time In Minutes / 60 (5 Mins) Total Alarm AH Required Command Shortcuts Configure Circuits Print Page Standby Time In Hours 24 0.083 Total Standb AH Required 11.5201 0.334 Total Combined AH Required 11.85 Multiply By The Derating Factor 1.20 Minimum Battery AmpHours Required 14.23 ** The SK-5208 and SK-5217 limits alarm current to 95mA per zone. The SK-5208 alarm current includes 10% of system zones in alarm, but in no case less than three zones per UL 864.