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FIR2024-0072+Fire_Alarm_Battery_Calculations+8.27.2024_8.14.42_AM+4464169
RECEIVED Aug 27 2024 CITY OF EDMONDS DEVELOPMENT SERVICES DEPARTMENT FI R2024-0072 STERLINC.r COMMUNICATION TECHNOLOCIIES, INC.. Sterling Communication Technologies, Inc. Battery Calcs & Voltage Drops South Hill Pain and Wellness Systems: Div. 28 FIRE ALARM SYSTEM August 5t", 2024 Submitted by: Joe Stevenson Sterling Communication Technologies, Inc. 18540 Apache Drive, Unit 100 Parker CO 80134 www.stercommtech.com SK-PS6 Battery Calculation Secondary Power Source Requirements Device Type Qty StandbySecondary Current Draw TotalDraw Total Main Circuit Board 1 X 0.1390 = 0.1390 1 X 0.1570 = 0.1570 Choose• 4.7k Main Circuit Board with ZNAC-PS Class A card 0 X 0.1350 = 0.0000 0 X 0.1420 = 0.0000 NAC / Output # 1 1 X 0.0000 = 0.0000 1 X 0.1960 = 0.1960 NAC / Output # 2 1 X 0.0000 = 0.0000 1 X 0.0000 = 0.0000 NAC / Output # 3 1 X 0.0000 = 0.0000 1 X 0.0000 = 0.0000 NAC / Output # 4 1 X 0.0000 = 0.0000 1 X 0.0000 = 0.0000 NAC / Output # 5 1 X 0.0000 = 0.0000 1 X 0.0000 = 0.0000 Total Standby Load 0.1390 Total Alarm Load 0.3530 SK-F,96 Batterya cu a ion Note 1: You are fully responsible for verifying these calculations. Note 2: You only need to make entries in the yellow cells Calculation in Total Sheet StandbyRequired 24 Hours Standby Load Current (Amps) 0.1390 Amps X 24 1 = 1 3.336 AH 5 Minutes Alarm Load Current (Amps) 0.3530 Amps X 0.084 1 = 0.030 AH Total Current Load 3.37 AH *Multiply by the Derating Factor 1.2 1 = x 1.20 Total Ampere Hours Required 1 4.04 AH Recommended Batteries: I BAT-1270 - 7AH Batteries * Derating Factor required to compensate for the non -linear discharge characteristic of a battery. SK-PS6 Circuit Detail Device Qty Non Output -Alarm Draw Total Qty Alarm Draw Total From, 0© t eeeote I II11II 0©i o in :n e @ .wee 0©0 MITI eIII 0 0© oefoee Page 1 8/5/2024 0BEKITINIIII 0 am in rIfTers 171M 0 0BEKITINIIII 0 am in rIfTers 171M 0 0B 1 IIIIII N am in rIfTers 171M 0 0B 1 IIIIII N ME in rIfTers 171M 0 0B 1 IIIIII 9 0M 1 IIIIII 0 StandbyTotal ... 1 IIIIII . ' ... 1 •.111 Output Device Qty I Non -Alarm Draw I Total Qty Alarm Draw Total 0B I IIIIII 9 0© m in 1: 111 m 0 MEN NE 0© 1 IIIIII 0 0a 0 in rem-TITITIN 0 0amwITITITITITITIME 0© 0 in IIIIII 0 0amwITITITITITITIME 0© 0 in IIIIII 0 l0amwITITITITITITIMM 0© 0 in IIIIII 0 0a 0 WITITITITITII 0 0© 0 in IIIIII 0amwITITITITITITIME 0© 0 in IIIIII �© 0 WITITITITITII 0 © 0 in IIIIII �© I IIIIII a am in offs IIII �© I IIIIII 0 am in offs IIII Total•• •.• 00 1 IIIIII • ' •.• MI IIIIII Output Device Qty I Non -Alarm Draw Total Qty Alarm Draw Total �© I IIIIII 0 in I: III MEN NE © I IIIIII 0 11 :111 �© I IIIIII 0 in IIIIII �© I IIIIII a in IIIIII �© I IIIIII a in IIIIII �© I IIIIII a in IIIIII �© I IIIIII © 0 in IIIIII �© I IIIIII 0© 0 in IIIIII �B I IIIIII N 0a 0 in IIIIIMe �a I IIIIII N �a 0 in IIIIIMe Total•. ... INEYMMMI . ' ..• 1 IIIIII ' Output Device Qty Non -Alarm Draw Total Qty Alarm Draw Total �©MKITITInsIII �© 1 IIIIII © 0 KITITIIIII a MEN NEE IN 0a 1 IIIIII 0 �©EKITITIIIII NENNIEEEI0E 1 IIIIII 0 �©EKITITIIIII NENNIEEEI�E 1 IIIIII 0 © 0 KITITInsIII N NONNEE © 1 IIIIII 0 �© 0 EfTererfroneI M ME in IIIIII 0 0© 0 EfTereIIII 0© 0 in IIIIII �©0 EfTererfroneI= 1 IIIIII �©0 EfTerfrerentI= Were $00 WI �© 0 EfTerfrerentI= © WereIIIII ' Output Device Qty I Non -Alarm Draw I Total Qty Alarm Draw Total 0B 1 IIIIII N 0 0 1 IIIIII 0B 1 IIIIII N 0 am in IIIIII 0B 1 IIIIII N �a wererfroreII m© 1 IIIIII= m© 1 IIIIII M Page 2 8/5/2024 EMEMEMITINMe$I 0 EME am in ifes11 0 o© ,,UM111 0 0© ,...... 0 EMEMEMITINMe$I 0 EME am in ifes11 0 o© ,,UM111 0 0© ,...... 0 0© I INUMM 0 0© f o s Ons own 0© I INUMM 0 0© f o s Ons own Page 3 8/5/2024 Project Name Date Circuit Number Area Covered Nominal System Voltage Minimum Device Voltage Total Circuit Current AZ AFAA NAC Voltage Drop Calculator for Audio / Visual devices SOUTHHILL PAIN & WELLNESS 8/5/2024 N1 CIRCUIT IS WITHIN LIMITS SUITE 104 1 Notes. 0.196 Distance from source to 1st device Wire Gauge for balance of circuit Distance from Device Device previous Number Current device Device 1 Device 2 Device 3 Device 4 Device 5 Device 6 Device 7 Device 8 Device 9 END END END END END END END END END END END END END END END END END END END END END END END END END END Totals 0.035 150 0.018 10 0.018 15 0.018 10 0.018 15 0.018 10 0.018 10 0.018 10 0.035 10 0.196 240 20.4 Wire resistance is based 14 on the 1996 NEC Ch. 9 Table 8 Wire Ohm's Uncoated DC resistance. Gauge Per 1000 Solid conductors except gauges 150 14 3.07 10 and 12 are for stranded. 14 3.07 Program doubles the resistance to allow for 2 wires Voltage for both positive and negative At Drop from Percent conductors. Device source Drop 20.22 0.18 1% 20.21 0.19 1% 20.20 0.20 1 % 20.19 0.21 1 % 20.18 0.22 1 % 20.17 0.23 1 % 20.17 0.23 1 % 20.17 0.23 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % 20.16 0.24 1 % Alternate Calculations End of Line Method Totals Voltage Drop 0.289 Current 0.196 Distance 240 Load Centering Method Totals Voltage Drop 0.144 Current 0.196 Distance 240