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HomeMy WebLinkAboutFA BATTERY CALCULATIONS - 20-00977 - Cal Ranch Interior - RemodelBattery Calculation Sheet UL listed Fire Alarm Panel Cal Ranch / Harbor Freight Rexburg NAC Power Supply with 2-12v 7ah batteries / 4 Power Supplies Item NAC Power Supply 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 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 AL602ULADA PC2RL SCRL 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 4 0 0 0 0 0 0 0 0 0 0 0 0 56 4 0 0 0 0 64 Total Standby AH = Battery requirements in mA 90 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Sum Column for Alarm Load (Amps) Multiply by Required Alarm Time (5 min.=.083) Current B x C 360 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 360 0.36 24 8.64 Total Alarm AH Alarm Current 175 0 0 0 0 0 0 0 0 0 0 0 0 90 41 0 0 0 0 mA Amps G 9.130032 10.9560384 Current B x E 700 0 0 0 0 0 0 0 0 0 0 0 0 5040 164 0 0 0 0 5904 5.904 0.083 0.490032 I J mA Amps Or .25 for 15 min H