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PV SYSTEM AS INDICATED <br />Scale: Project: <br />Project Name: <br />Property Adress: <br />Melanie Hansen <br />1917 Bay Crest St, <br />Santa Ana, CA 92704 <br />ELECTRICAL 1-LINE <br /> DIAGRAM <br />Drawn by:New@engineerinc.io <br />04/28/2023DATE: <br />100A <br />HANWHA 400W MODULES14 <br />J BOX <br />NEMA3R <br />1 2 <br />BR <br />A <br />N <br />C <br />H <br />CI <br />R <br />C <br />U <br />I <br />T <br /> <br />- <br /> <br />A <br />ENPHASE Q CABLE <br />(2)#12 AWG PV WIRE <br />(1)#6 AWG EGC <br />FREE IN THE AIR <br />14 ENPHASE IQ8+ MICROINVERTERS <br />INSTALL (2)20A PV <br />2-POLE C/B <br />PV MONITORING DEVICE <br />(3)#10 AWG THWN/THWN-2 <br />(1)#8 AWG GND <br />3/4'' EMT, 2 FEET <br />ENPHASE IQ COMBINER 4 <br />120/240V, NEMA 3R <br />(2)#14 AWG THWN/ THWN-2 15A 2-POLE <br />(2)#12/2 ROMEX <br />23 FEET IN ATTIC <br />DOWNSIZED TO _____ <br />MAIN C/B <br />NOTE: Service Panel does not contain center fed Main Breaker: <br />EXISTING <br />______ MAIN <br />SERVICE <br />PANEL <br />120/240V, <br />1P, 3W <br />GEC(E)GROUNDING <br />ELECTRODE SYSTEM <br />MAIN METER <br />125A <br />INSTALL ____ 2P CB(PV) <br />INSTALL AT OPPOSITE <br />END OF BUS FROM <br />MAIN FEEDER CB <br />30A <br />CONTRACTOR <br />Green Day Power <br />Address: 9745 Business Park Dr <br />Sacramento, CA 95827 <br />Phone number: 916-758-8030 <br />E-mail: hello@greendaypower.com <br />1 2 <br />BR <br />A <br />N <br />C <br />H <br /> <br />CI <br />R <br />C <br />U <br />I <br />T <br /> <br />- <br /> <br />B <br /> <br />6 <br />8 <br />SYSTEM RATING <br />DC 5.60 KW STC <br />AC 4.06 KW STC <br />J BOX <br />NEMA3R <br /> #12/2 ROMEX <br /> 23 FEET IN ATTIC <br />PV ARRAY RATING WIRE SIZE CALCULATION <br />BRANCH CIRCUIT - A BRANCH CIRCUIT - A <br />Number Modules 8 Q.PEAK DUO BLK ML-G10+ 400 Hanwha 400 Watt Number OF Microinverters in Circuit 8 <br />Number MicroInverters 8 Enphase IQ8+ Microinverters IQ8Plus-72-2-US(240V)Microinverter Maximum Output Current (A)1.21 <br />Total DC Wattage (Watts)Watts STC, (Watts/Module) 8 * 400 = 3200 Branch Circuit Total Current (A)8 * 1.21 * 1.25 = 12.1 <br />Array Currents I-SC 11.14 A I-MP 10.77 A Breaker Size Per Branch Circuit (A)20 <br />Module Voltage V-OC 45.3 V V-MP 37.13 V <br />BRANCH CIRCUIT - B BRANCH CIRCUIT - B <br />Number Modules 6 Q.PEAK DUO BLK ML-G10+ 400 Hanwha 400 Watt Number OF Microinverters in Circuit 6 <br />Number MicroInverters 6 Enphase IQ8+ Microinverters IQ8Plus-72-2-US(240V)Microinverter Maximum Output Current (A)1.21 <br />Total DC Wattage (Watts)Watts STC, (Watts/Module) 6 * 400 = 2400 Branch Circuit Total Current (A)6 * 1.21 * 1.25 = 9.08 <br />Array Currents I-SC 11.14 A I-MP 10.77 A Breaker Size Per Branch Circuit (A)20 <br />Module Voltage V-OC 45.3 V V-MP 37.13 V <br />FROM JBOX TO ENPHASE COMBINER BOX <br />Maximum Continuous Current (A)12.1 More Than 3 CCC Adjustment Factor 0.8 Adjusted Conductor Ampacity(A)12.1 / 0.8 = 15.13 <br />Raceway Height From Roof (Temp 39+22=61C)3 1/2" # of wire( # BC *2)4 Ambient Temp Factor Per NEC Table 310.15(b)(2)(a)0.71 <br />Temp. Derate Factor (max. Continuous current divided ambient tem. Factor (A)15.13 / 0.71 = 21.3 Wire Size from NEC Table 310.15(b)16 10 AWG <br />FROM ENPHASE COMBINER BOX TO MAIN PANEL <br />Total Number Of Microinverters 14 Total Amps From All Microinverters (A)14 * 1.21 = 16.94 Consider Continuous (A)16.94 * 1.25 = 21.175 <br />Temp. Derate Factor(0.91 at wall of the Building) (A)21.175 / 0.91 = 23.27 Wire Size from NEC Table 310.15(b)16 10 AWG <br />Ambient Temp Factor Per NEC Table 310.15(b)(2)(a)0.91 <br />MAIN PANEL <br />PV Backfeed Breaker Size (A)30 Main Breaker (A) 100 Main Bus Rating (A) 125 Total Amps On Bus (A) 120% 100 + 30 = 130 <= 150(A) <br />Exp. Date : 3/31/2024 <br />Date Certified and <br />Signed: 05/17/2023 <br />1917 W Bay Crest <br />St05/24/23