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PV MODULE RATINGS <br />BRAND AND MODEL: <br />CANADIAN SOLAR <br />CS3W-450MB-AG <br />MAX POWER [Pmax] (w): 450 <br />MAX POWER-POINT <br />VOLTAGE [Vmp] (V): 41.10 <br />OPEN CIRCUIT VOLTAGE <br />[Voc] (V): 49.10 <br />MAX POWER-POINT <br />CURRENT [Imp] (A): 10.96 <br />SHORT CIRCUIT CURRENT <br />[Isc] (A): 11.60 <br />MAX SERIES FUSE [OCPD] <br />(A): 25 <br />MAX SYSTEM VOLTAGE (V): 1500 <br />PV SYSTEM RATINGS <br />NOMINAL SYSTEM VOLTAGE (V): 240Vac <br />AC INVERTER OUTPUT (A): 25.65 <br />OPERATING TEMP (°C) -7° TO 39°C <br />DV <br />D <br /> <br />C <br />O <br />N <br />S <br />T <br />R <br />U <br />C <br />T <br />I <br />O <br />N <br />65 <br />0 <br />0 <br /> <br />E <br />. <br /> <br />C <br />A <br />R <br />N <br />E <br />G <br />I <br />E <br /> <br />A <br />V <br />E <br />. <br /> <br />A <br />N <br />A <br />H <br />E <br />I <br />M <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />8 <br />0 <br />7 <br />PH <br />O <br />N <br />E <br />: <br /> <br />9 <br />4 <br />9 <br />- <br />8 <br />6 <br />4 <br />- <br />9 <br />9 <br />8 <br />6 <br />LI <br />C <br />E <br />N <br />S <br />E <br />: <br /> <br />1 <br />0 <br />2 <br />9 <br />2 <br />4 <br />1 <br /> <br />/ <br /> <br />A <br /> <br />, <br /> <br />B <br />Co <br />n <br />t <br />r <br />a <br />c <br />t <br />o <br />r <br />' <br />s <br /> <br />S <br />i <br />g <br />n <br />a <br />t <br />u <br />r <br />e <br />: <br /> <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />_ <br />Pr <br />o <br />j <br />e <br />c <br />t <br /> <br />N <br />a <br />m <br />e <br />8. <br />5 <br />5 <br />0 <br /> <br />k <br />W <br /> <br />( <br />D <br />C <br />) <br /> <br />/ <br /> <br />7 <br />. <br />7 <br />0 <br />6 <br /> <br />k <br />W <br /> <br />( <br />C <br />E <br />C <br />- <br />A <br />C <br />) <br />Ph <br />o <br />t <br />o <br />v <br />o <br />l <br />t <br />a <br />i <br />c <br /> <br />S <br />y <br />s <br />t <br />e <br />m <br />RA <br />Y <br />M <br />A <br />R <br /> <br />R <br />E <br />S <br />I <br />D <br />E <br />N <br />C <br />E <br />13 <br />0 <br />6 <br /> <br />R <br />A <br />Y <br />M <br />A <br />R <br /> <br />S <br />T <br />. <br />, <br />SA <br />N <br />T <br />A <br /> <br />A <br />N <br />A <br />, <br /> <br />C <br />A <br /> <br /> <br />92 <br />7 <br />0 <br />3 <br />DA <br />T <br />E <br />: <br />10 <br />/ <br />1 <br />2 <br />/ <br />2 <br />0 <br />2 <br />2 <br />DR <br />A <br />W <br />N <br /> <br />B <br />Y <br />: <br />AA <br />RE <br />V <br />I <br />S <br />I <br />O <br />N <br />S <br />: <br />Page <br />Title Block 11x17 <br />NOTES: <br />1- ALL METALLIC RACEWAYS AND EQUIPMENT SHALL BE BONDED AND ELECTRICALLY <br />CONTINUOUS (NEC 250.90, 250.96). <br />2- FOR SYSTEMS WITH CIRCUITS OVER 250V, GROUND BUSHINGS ARE REQUIRED <br />AROUND PRE-PUNCHED CONCENTRIC KNOCKOUTS (NEC 250.97) <br />3- THE GROUNDING ELECTRODE CONDUCTOR WILL BE CONTINUOUS, EXCEPT FOR <br />SPLICES OR JOINTS AT BUSBARS WITHIN LISTED EQUIPMENT. (NEC 250.64(C)) <br />4- THE EQUIPMENT GROUNDING CONDUCTOR MAY BE USED AS A GROUNDING <br />ELECTRODE CONDUCTOR VIA EXCEPTION AS PROVIDED IN NEC 250.121. A WIRE-TYPE <br />EGC INSTALLED IN COMPLIANCE WITH 250.6(A), II, III, VI.) <br />5-INSTALLER TO IDENTIFY THE EXISTING GROUNDING ELECTRODE TYPE (I.E. DRIVEN <br />ROD, UFER, WATER PIPE, OR COMBINATION OF SOME <br />OR ALL OF THE PREVIOUSLY MENTIONED). IN EXISTING ELECTRICAL SYSTEMS THAT <br />USE ONLY A WATER PIPING GROUNDING ELECTRODE SYSTEM, AN ADDITIONAL <br />GROUNDING ELECTRODE (I.E DRIVEN ROD) SHALL BE PROVIDED. (NEC 250.50) <br />-PER NEC 250.53(A)(2), A SINGLE ROD, PIPE, OR PLATE ELECTRODE SHALL BE <br />SUPPLEMENTED BY AN ADDITIONAL ELECTRODE OF TYPE SPECIFIED IN 250.52(A)(2) <br />THROUGH (A)(8) SPACED NO LESS THAN 6FT APART. GEC ROD SHALL NOT BE <br />SMALLER THAN 5/8" DIAMETER, BE NOT LESS THAN 8FT IN CONTACT WITH SOIL, AND <br />BE OF STAINLESS STEEL, COPPER, OR ZINC COATED STEEL. GEC PIPE OR CONDUIT <br />SHALL NOT BE LESS THAN 3/4". <br />EXCEPTION, IF A SINGLE ROD, PIPE OR PLATE GROUNDING ELECTRODE HAS A <br />RESISTANCE TO EARTH OF 25 OHMS OR LESS, THE SUPPLEMENTAL ELECTRODE <br />SHALL NOT BE REQUIRED. <br />-#4 AWG CU TO UNDERGROUND METAL WATER PIPE THAT IS A MINIMUM 10 FOOT <br />BURIAL IN PIPE LENGTH. CONNECT GROUNDING ELECTRODE CONDUCTOR WITHIN <br />FIVE FEET OF WHERE IT ENTERS BUILDING. 250.52(A)(1), 250.68(C). <br />-ADDITIONAL #4 AWG CONNECTION TO UFER IF AVAILABLE PER 250.66. IF UFER NOT <br />AVAILABLE THEN TWO #6 AWG CU CONNECTIONS TO GROUND RODS SEPARATED BY <br />AT LEAST 6 FT IS NEEDED 250.53. <br />MICRO INVERTER INPUT (DC SIDE) <br />VOLTAGE: 49.10 x 1.14 x 1 = 55.97V ≤ 60V OK <br />SHORT CIRCUIT: 11.60 x 1.25 = 14.50A < 15A OK <br />WIRE CHECK FROM ABOVE TABLE <br />ENPHASE Q CABLE CONTAINS (2) #12 THWN-2 AWG WIRES: 20.40A < 30A OK <br />MAXIMUM VOLTAGE & VOLTAGE CORRECTION FACTOR <br />(DC SIDE) [NEC 690.7] <br />LOWEST EXPECTED AMBIENT <br />TEMPERATURE (°C):-7°C <br />VOLTAGE CORRECTION FACTOR:1.14 <br />MODULE OPEN CIRCUIT VOLTAGE:49.10 <br />MODULES PER INPUT:1 <br />ADJUSTED VOLTAGE:55.97V <br />MAXIMUM VOLTAGE: 60V <br />INVERTER VALUES: INVERTER 1 <br />BRAND AND MODEL: <br />ENPHASE <br />IQ8M-60-72-US <br />INVERTER TYPE:MICRO-INVERTER <br />MAX INPUT VOLTAGE <br />(V):60.00 <br />MAX INPUT CURRENT <br />(A):15.00 <br />NOMINAL OUTPUT <br />VOLTAGE (V):240Vac <br />MAX CONT. OUTPUT <br />CURENT (A):1.35 <br />INVERTER OCPD (A): 30 <br />MAX POWER AT 25ºC <br />(W): 325 <br />SOLAR PV CIRCUIT BREAKER <br />AIC RATING = 10kA <br />MAIN SERVICE BUS RATING <br />PER NEC 705.12(B)(2)(3)(b) <br />BUSBAR: 225A x 120% = 270A <br />TOTAL BUS LOAD: 200A + 32.1A ≤ 270A <br />EQUIPMENT LEGEND <br />ITEM DESCRIPTION <br />A (N) CANADIAN SOLAR <br />CS3W-450MB-AG MODULE <br />B (N) NEMA 3R JUNCTION BOX <br />C (N) NEMA 3R 60A AC DISCONNECT <br />240VAC 10KAIC RATING, <br />NON-FUSIBLE, BLADE TYPE VISIBLE <br />& LOCKABLE <br />D (N) NEMA 3R 60A AC DISCONNECT <br />240VAC 10KAIC RATING, <br />NON-FUSIBLE, BLADE TYPE VISIBLE <br />& LOCKABLE <br />INV #1: (N) ENPHASE IQ8M-60-72-US <br />INVERTER <br />EGC/GEC <br />PER NEC 250.121, <br />EXCEPTION 250.6(A)(II,III,IV), <br />250.166, 690.47, 250.64(E)(E) GROUND <br />ELECTRODE <br />CONDUCTOR #4 <br />SEE NOTE 5 <br />PV SOLAR BREAKER TO BE MOUNTED <br />ON THE OPPOSITE END OF THE BUSBAR <br />FARTHEST FROM THE MAIN BREAKER <br />OR INPUT FEEDER, AND NOT TO BE AT <br />BOTH ENDS IF IT IS A CENTER-FED <br />PANELBOARD. 705.12 (B)(2)(3)(b) or (d) <br />MICROINVERTER TO JBOX <br />ITEM <br />NUMBER OF <br />MODULES IN <br />CIRCUIT <br />ADJUSTED <br />(#Micro*1.35A*1.25) <br />TEMP ADJUST. <br />(7/8"+ ABOVE) <br />CORRECTED Ifc (A) <br />FOR WIRE SIZING AWG NEEDED NUMBER OF <br />CONDUCTORS EGC SIZE CONDUIT <br />1.1 11 18.56 0.91 20.40 #12 THWN-2 L1, L2, G #6 Q CABLE <br />1.2 8 13.50 0.91 14.84 #12 THWN-2 L1, L2, G #6 Q CABLE <br />INVERTER TO LOAD CENTER/MSP CALCULATION <br />ITEM INVERTER <br />OUTPUT (A)CONTINUOUS RESULT (A)TEMPERATURE <br />ADJUSTMENT ADJUSTED (A)AWG NEEDED NUMBER OF <br />CONDUCTORS EGC/GEC CONDUIT <br />3.1 25.65 1.25 32.06 0.91 35.23 #8 THWN-2 L1, L2, N, G #8 3/4" EMT <br />J-BOX TO INVERTER CALCULATION <br />ITEM <br />OUTPUT @ <br />LARGEST <br />CIRCUIT <br />TEMP. ADJUSTMENT <br />(7/8"+ ABOVE ROOF)ADJUSTED (A) Ifc <br /># ENERGIZED <br />CIRCUITS IN <br />RACEWAY <br />RACEWAY <br />ADJUSTMENT <br />FACTOR <br />ADJUSTED (A) AWG NEEDED NUMBER OF <br />CONDUCTORS EGC SIZE CONDUIT <br />2.1 18.56 0.91 20.40 2 1.00 20.40 #10 THWN-2 1+, 1-, G #8 3/4" EMT <br />2.2 13.50 0.91 14.84 2 1.00 14.84 #10 THWN-2 1+, 1-, G #8 3/4" EMT <br />19 TOTAL MODULES <br />19 TOTAL MICRO-INVERTERS (N) 40A/2P PV <br />BREAKER <br />04 OF 11 <br />SI <br />N <br />G <br />L <br />E <br /> <br />L <br />I <br />N <br />E <br />DI <br />A <br />G <br />R <br />A <br />M <br />CIRCUIT 2 - 8 MODULES <br />#6 BARE <br />COPPER <br />GROUND - <br />EQUIPMENT <br />CIRCUIT 1 - 11 MODULES <br />A <br />A <br />1.1 <br />1.2 <br />G <br />20A/2P <br />PV SOLAR <br />20A/2P <br />PV SOLAR <br />C <br />15A <br />ENVOY <br />G <br />B <br />ON <br />OFF <br />D <br />3.1 <br />M <br />N <br />(E) 200A <br />MAIN BREAKER <br />END-FED <br />G <br />LINELOAD <br />(N) 40A/2P <br />PV BRKR <br />(E) 225A MAIN SERVICE <br />METER/PANEL <br />120/240VAC, 1PH, 3W,10KAIC <br />TERMINALS SUITABLE FOR USE WITH <br />60°C/75°C CU/Al WIRE <br />3.12.1 <br />2.2 <br />1306 W Raymar St <br />11/14/22