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SYSTEM DETAILS: <br />(18) SOLARWORLD 270W MODULES <br />(1) POWER ONE PVI-4.2-OUTD-S-US-A (240V) <br />STC: 18 x 270W = 4,860W DC <br />CEC: 18 x 242.4 x 0.96 = 4,188W AC CEC <br />STRING #1: (9) SOLARWORLD 270W MODULES <br />PV MODULE RATINGS <br />MAKE SOLARWORLD <br />MODEL SW270W MONO <br />MAX POWER 270W <br />OPEN CIRCUIT VOLTAGE 39.2V <br />MAX POWER POINT VOLTAGE 30.9V <br />SHORT CIRCUIT CURRENT 9.44A <br />MAX POWER POINT CURRENT 8.81A <br />GROUNDING TYPE NEGATIVE <br />ARRAY RATINGS <br />LOWEST HISTORIC TEMP.-7° C <br /># OF MODULES IN SERIES 9 <br />VOC @ LOWEST TEMP.402.2V <br />VMP 278.1V <br />ISC 9.44A <br />IMP 8.81A <br />INVERTER RATINGS <br />SOLAR BREAKER SIZE CALCULATIONS: <br />INVERTER MAX OUTPUT CURRENT X 125% <br />20A X 125% = 25A, 25A SOLAR BREAKER USED <br />120% RULE CALCULATIONS PER NEC: <br />BUSBAR X 120% - MAIN BREAKER > SOLAR BREAKER <br />125A X 120% - 100A = 70A AVAILABLE <br />(1) #10 AWG USE-2, POSITIVE DC <br />(1) #10 AWG USE-2, NEGATIVE DC <br />(1)#6 AWG SOLID BARE COPPER <br />GROUND WIRE <br />(GROUND WIRE NOT IN CONDUIT, <br />SUNLIGHT RESISTANT AND OUTDOOR <br />RATED) <br />MAKE <br />MODEL <br />MAX OUTPUT POWER <br />MAX DC VOLTAGE <br />NOMINAL AC VOLTAGE <br />MAX AC CURRENT <br />CEC INVERTER EFFICIENCY <br />AFCI PROTECTION <br />POWER-ONE <br />PVI-4.2-OUTD-S-US-A (240V) <br />4200W <br />530V <br />240V <br />20A <br />96.0% <br />INTEGRATED <br />Sd*LAR <br />9175 San Fernando Road <br />Sun Valley, CA 91331 <br />PH: (855) 277-7155 <br />F: (818) 337-7113 <br />CONTRACTOR: CA LIC# 8-477185 <br />Plans Designed by:Derek Brosch <br />Date:3/19/2014 <br />Revision: 0 <br />PV PV PV <br />- <br />MODULE MODULE MODULE <br />STRING #2: (9) SOLARWORLD 270W MODULES <br />PV PV PV <br />il li - <br />MODULE MODULE MODULE <br />ALL AC WIRING: <br />(1) #8 AWG THWN-2, Ll=BLACK <br />(1) #8 AWG THWN-2, L2=RED <br />PV (1) #8 AWG THWN-2, N(NEUTRAL)=WHITE(2) #10 AWG THWN-2, POSITIVE DCMODULE 3/4-EMT CONDUIT <br />(2) #10 AWG THWN-2, NEGATIVE DC (1) #8 AWG THWN-2, GROUND = GREEN <br />(1) #8 AWG THWN-2 GROUND <br />3/4" EMT CONDUIT <DGD® <br />(NEW) 4.2KW SOLAR <br />INVERTER w/ ]NTEGRATED <br />AFCI PROTECTION <br />(NEW) <br />SUNNOVAROOF-MOUNTED <br />JUNCTION BOX MONITORl <br />AChPV <br />MODULE E--1 .4 361 11 [TRONL__| 1 V.j <br />- INTEGRATED <br />DC AND AC <br />DISCONNECT A <br />#8 ADDITIONAL GROUND ,' <br />ARRAY NOTES <br /> INCOMING UTILITY VOLTAGE:120V/240V, 1 (p, 3W <br />(NEW)120/240V, <br />30A, 2-POLE IUT]Lill <br />LOCKABLE ET1 <br />AND VISIBLE MAIN < <br />OUTDOOR AC SERV]CE < <br /> D]SCONNECT A PANEL - <br />1 5 <br />27 <br />4 <br />100A MAIN BREAKER <br />125A <br />BUSBAR-CENTERFED <br />(EXISTING) <br /><D@<i> <br />ELECTRICAL NOTES: <br />(1) #10 AWG USE-2, POSITIVE DC <br />(1) #10 AWG USE-2, NEGATIVE DC <br />(1) #6 AWG SOLID BARE COPPER <br />GROUND WIRE <br />(GROUND WIRE NOT IN CONDUIT, <br />SUNLIGHT RESISTANT AND OUTDOOR <br />RATED) <br />SOLAR BREAKER <br />[337-1/ -(NEW-PV BREAKER SHALL <br />BE LOCATED ON THE <br />OPPOSITE SIDE OF MAIN <br />SERVICE PANEL) <br />EXISTING <br />GROUND <br />ROD <br />@ PROVIDE WARNING SIGN PER NEC 690.17 READING "WARNING-ELECTRICAL SHOCK HAZARD-DO NOT TOUCH TERMINALS-TERMINALS ON <br />BOTH THE LINE AND THE LOAD SIDES MAY BE ENERGIZED IN THE OFF POSITION" <br />® ALL EQUIPMENT TO BE INSTALLED IN ACCORDANCE WITH NEC AND IRC <br />REQUIREMENTS <br />@ LABEL BREAKER"PHOTOVOLTAIC POWER SOURCE" PER NEC 705.10 AND "BREAKER IS BACKFED" PER NEC 690.64(B)(5). LABEL WITH <br />MAXIMUM AC OUTPUT CURRENT AND THE OPERATING VOLTAGE PER NEC 690.54 <br />® LISTING AGENCY NAMES AND NUMBERS TO BE INDICATED ON SOLAR <br />MODULES PER NEC 690.7(D) <br />@ LABEL "PHOTOVOLTAIC ARRAY AC DISCONNECT SWITCH". LABEL SWITCH WITH OPERATING CURRENT PE R NEC 690.53. SWITCH TO BE © ALL ARRAY CONDUCTORS TO BE 10 AWG XHHW-2 OR USE-2 UNLESSLOCKED PER NEC 690.7(D)OTHERWISE SPECIFIED <br />® ALL EQUIPMENT TO BE INSTALLED IN ACCORDANCE WITH NEC AND IRC REQUIREMENTS <br />@ Bl-DIRECTIONAL METER TO BE INSTALLED BY UTILITY IF REQUIRED <br />® LISTING AGENCY NAMES AND NUMBERS TO BE INDICATED ON POWER INVERTER PER NEC 690.7(D) <br />@ ALL ARRAY GROUND WIRE TO BE 8 AWG BARE OR SUNLIGHT RESITANT <br />COPPER WIRE UNLESS OTHERWISE SPECIFIED <br />© FOLLOW MANUFACTURERS SUGGESTED INSTALLATION PRACTICES ON ALL <br />SERIES WIRING TERMINATIONS <br />THESE DRAWINGS ARE CONCEPTUAL AND <br />SHOW BASIC SYSTEM OPERATION ONLY. IT IS <br />NOT INTENDED TO INCLUDE ALL DEVICES AND <br />DETAILS NECESSARY FOR PROPER <br />ORIENTATION. IT IS THE RESPONSIBILITY OF <br />THE INSTALLING CONTRACTOR TO ENSURE <br />™AT ALL NECESSARY DETAILS AND DEVICES <br />ARE INSTALLED TO GUARANTEE PROPER <br />OPERATION AND COMPLIANCE WITH LOCAL <br />BUILDING CODES. <br />THIS DOCUMENT CONTAINS PROPRIETARY <br />* GROUNDING ELECTRODE CONDUCTOR MUST TIE INTO AC GROUNDING ELECTRODE SYSTEM AND BE INSTALLED IN ACCORDANCE WITH <br />NEC 690.47 <br />Minimum Wire Size Calculations <br />Circuit Max 125%156%Temp.Fill Factor Min. DC Wire Min. AC Wire Wire <br />Wire Run Type DC/AC Curre nt Factor Factor Correction Correction Ampacity Ampacity Size <br />Array to J-box DC 9.44 11.80 14.73 0.65 1.00 22.66 18.15 #10 <br />J-box to Inverter DC 9.44 11.80 14.73 0.65 0.80 28.32 22.69 #10 <br />Inverterto Main Service Panel AC 20.00 25.00 31.20 0.65 1.00 48.00 38.46 #8 <br />Voltage Drop Calculations <br />Wire Formula used per NEC 2011 Handbook 215.2(A)(4): VO =2*L*R*I/1000 <br />Ampacity Vmp |mp R L Vo % Vo Wire size <br />30 247.2 8.81 1.290 20 0.45 0.18%#10 <br />30 247.2 8.81 1.290 50 1.14 0.46%#10 <br />55 240.0 20.00 0.809 15 0.49 0.20% #8 <br />INFORMATION AND ITS RECEIPT OR <br />POSSESSION DOES NOT CONVEY ANY RIGHTS <br />TO REPRODUCE. DISCLOSE ITS CONTENTS, OR <br />TO MANUFACTURE, USE, OR SELL ANYTHING IT <br />MAY DESCRIBE. REPRODUCTION, DISCLOSURE, <br />OR USE WITHOUT SPECIFIC WRITTEN <br />AUTHORIZATION IS STRICTLY FORBIDDEN. <br />ELECTRICAL <br />DIAGRAM/NOTES