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SCOPE OF WORK: <br />INSTALL (20) Q.CELLS Q.PEAK DUO BLK ML-G10+ 405 SOLAR ELECTRIC MODULES AND <br />(20) SOLAREDGE S440 DC POWER OPTIMIZERS ON THE EXISTING 1ST STORY COMPOSITION <br />ROOF. INSTALL ASSOCIATED MOUNTING HARDWARE, JUNCTION BOXES, CONDUIT, <br />CONDUCTORS AND GROUNDING. INSTALL (1) SOLAREDGE ENERGY HUB SE7600H-US <br />INVERTER WITH INTEGRATED DC DISCONNECT, (1) SOLAREDGE ENERGYBANK <br />BAT-10K1PSOB-01 BATTERY, (1) AC DISCONNECT, AND INSTALL OCPD IN MAIN SERVICE PANEL. <br />HOMEOWNER: TYNA YAM <br />PH: 714.542.0788 <br />ADDRESS: 3002 W. CUBBON STREET <br />SANTA ANA, CA 92705 <br />DATE: 10/12/23 <br />ING ELECTRIC INC <br />1451 DOMIGUEZ RANCH ROAD <br />CORONA, CA 92882 <br />PH: 951.399.2555 <br />NORAN ING C10 - 1048140 <br />SYSTEM CALCULATIONS: <br />MODULE POWER = 405 W <br />NUMBER OF MODULES IN LONGEST STRING = 10 <br />(10) 405 W = 4050 W <br />OPTIMIZER MAX POWER PER STRING = 6000 W <br />4050 W < 6000 W, OK <br />OPERATING CURRENT = <br />POWER RATING/OPERATING VOLTAGE = <br />4050 W/380 V = 10.66 A <br />OPTIMIZER TO INVERTER TARGET <br />VOLTAGE/OPERATING VOLTAGE = 380 V <br />MAX SYSTEM VOLTAGE (Voc) CONTROLLED BY <br />INVERTER = 480 V <br />SHORT-CIRCUIT CURRENT (Isc) CONTROLLED BY <br />OPTIMIZER = 15.79 A <br />INVERTER MAX OUTPUT CURRENT = 32.00 A <br />32.00 A (1.25) = 40.00 A [Ic], USE 40 A BREAKER <br />MAIN SERVICE PANEL BUS RATING = 200 A <br />MAIN SERVICE PANEL MAIN OCPD = 200 A <br />200 A + 40 A SOLAR OCPD = 240 A <br />225 A BUS (1.2) = 270 A <br />240 A < 270 A, OK <br />WIRE CALCULATIONS: <br />FROM OPTIMIZERS TO INVERTER/DC DISCONNECT: <br />AMBIENT TEMPERATURE = 34°C <br />TEMPERATURE ADDER FOR CONDUIT NOT OFFSET FROM ROOF = 33°C <br />ADJUSTMENT FACTOR PER TABLE 310.15(B)(1) FOR 90°C INSULATED CONDUCTOR AT <br />34°C + 33°C = 67°C = 0.58 <br />Isc = 15.79 A <br />15.79 A/0.58 = 27.22 A <br />NUMBER OF CURRENT CARRYING CONDUCTORS IN CONDUIT = 4 <br />ADJUSTMENT FACTOR PER TABLE 310.15(C)(1) FOR CONDUIT FILL (4-6 CONDUCTORS IN <br />CONDUIT) = 0.80 <br />27.22 A/0.80 = 34.03 A <br />SELECT WIRE SIZE WITH AMPACITY GREATER THAN 34.03 A, USE 10 AWG THWN-2 COPPER <br />WIRE WITH AN AMPACITY OF 40 A <br />SELECT CONDUIT FOR (4) 10 AWG THWN-2 & (1) 8 AWG GROUND = 3 4" EMT CONDUIT <br />FROM THE INVERTER TO THE AC DISCONNECT: <br />ADJUSTMENT FACTOR PER TABLE 310.15(B)(1) FOR 90°C INSULATED CONDUCTOR AT <br />34°C = 0.96 <br />Ic = 40.00 A <br />40.00 A/0.96 = 41.67 A <br />SELECT WIRE SIZE WITH AMPACITY GREATER THAN 41.67 A, USE 8 AWG THWN-2 COPPER <br />WIRE WITH AN AMPACITY OF 55 A <br />SELECT CONDUIT FOR (3) 8 AWG THWN-2 & (1) 8 AWG GROUND = 3 4" EMT CONDUIT <br />SHEET <br />NOTICE: <br />ANY CHANGES TO OR USES OF THESE <br />DOCUMENTS/DRAWINGS WITHOUT THE <br />WRITTEN CONSENT OF JENNIFER KEMME OR <br />SCOTT HARRIS ARE STRICTLY PROHIBITED. <br />5 OF 5 <br />PLANS PREPARED BY: <br />JENNIFER KEMME <br />PH: 909.748.1300 <br />99499PV <br />3002 W Cubbon St - <br />2018128112/6/2023