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HomeMy WebLinkAboutFIRE ALARM BATTERY CALCULATIONS - 20-00520 - Harbor Freight Tools - Inside RemodelBattery Calculation Sheet UL listed Fire Alarm Panel Harbor Freight Rexburg Item FACP PANEL Annunciator Expander module- over 250 class b or 125 A Module for PIV, FLOW, TAMPER + 1 Module - converts class B to class A NAC Module Relay board - ELEVATOR RECALL Module - converts class B panel zn to A Door Holders Pull Station - Min per code Smoke Detector - Smoke base Relay board Variable Horn/Strobe Strobe only Module NAC Module With 2 - 18amp hour batteries in the main control panel you can exceed the battery requirements. With the NAC Horn/Strobe power supply added you will have 4 - 1.5 amp circuits and can add 28-36 Horn/Strobes depending on the mA draw of the ones you use. See voltage line drop sheet for additional limitations. Model Number B9512G B920 Keypad D9127U popit FMM-7045 521NC D8125 POPEX D192G Total # of devices Sum Column for Standby Load (Amps) Multiply by Required Standby Time(24 or 60 hrs) Add Total Standby AH (G) and Total Alarm AH (H) for required AH Multiply (I) by a Safety Factor of 1.2 for Total System AH suggested QTY 1 2 0 0 0 13 0 0 0 1 1 0 0 0 0 1 1 0 0 20 Total Standby AH = Battery requirements in mA 190 35 0 0 0 0.8 0 0 0 0.55 0.07 0 0 0 0 50 5 0 0 Sum Column for Alarm Load (Amps) Multiply by Required Alarm Time (5 min.=.083) Current B x C 190 70 0 0 0 10.4 0 0 0 0.55 0.07 0 0 0 0 50 5 0 0 326.02 0.32602 24 7.82448 Total Alarm AH Alarm Current 265 70 0 0 0 0.8 0 0 0 0.55 60 0 0 0 0 50 5 0 0 mA Amps G 7.86854885 9.44225862 Current B x E 265 140 0 0 0 10.4 0 0 0 0.55 60 0 0 0 0 50 5 0 0 530.95 0.53095 0.083 0.04406885 I J mA Amps Or .25 for 15 min H