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SCOPE OF WORK: INSTALL (18) CANADIAN CS1Y-390MS SOLAR ELECTRIC MODULES AND (18) SOLAREDGE P401 DC POWER OPTIMIZERS ON THE EXISTING 1ST STORY COMPOSITION ROOF. INSTALL ASSOCIATED MOUNTING HARDWARE, JUNCTION BOXES, CONDUIT, CONDUCTORS AND GROUNDING. INSTALL (1) SOLAREDGE SE6000H-US INVERTER WITH INTEGRATED DC DISCONNECT, (1) AC DISCONNECT, AND INSTALL OCPD IN MAIN SERVICE PANEL. UPGRADE MAIN SERVICE PANEL TO 200 AMPS. HOMEOWNER: JESUS CERVANTES PH: 714.515.2269 ADDRESS: 2013 W. 12TH STREET SANTA ANA, CA 92703 DATE: 5/4/22 MAGIC SUN POWER INC 557 OLMSTED DRIVE GLENDALE, CA 91202 PH: 818.388.5478 EDVIN ARAKELIAN C10 - 999485 SYSTEM SIGNAGESYSTEM SIGNAGE ALL SIGNAGE SHALL BE REFLECTIVE, UV RESISTANT PLASTIC, RED IN COLOR WITH WHITE LETTERING, AND ATTACHED WITH WEATHERPROOF ADHESIVE OR OTHER APPROVED METHOD. ALL LETTERS SHALL BE A MINIMUM OF 3 8" HEIGHT AND ALL CAPITALIZED. ALL CONDUIT, JUNCTION BOXES AND OTHER ENCLOSURES SHALL BE MARKED AT 10' MAX INTERVALS AND AT ALL BENDS, TERMINATIONS, SPLICES OR CONNECTIONS WITH "WARNING: PHOTOVOLTAIC POWER SOURCE". WARNING ELECTRIC SHOCK HAZARD DO NOT TOUCH TERMINALS TERMINALS ON BOTH THE LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION TO BE INSTALLED AT ALL SERVICEABLE PANELS OR BOXES AND AT ALL DISCONNECTS: WARNING ELECTRIC SHOCK HAZARD THE DC CONDUCTORS OF THIS PHOTOVOLTAIC SYSTEM ARE UNGROUNDED MAY BE ENERGIZED SERVICE POINT & UTILITY METERING PV SYSTEM DISCONNECT FOR UTILITY OPERATION CAUTION: POWER TO THIS BUILDING IS ALSO SUPPLIED FROM THE FOLLOWING SOURCES WITH DISCONNECTS AS SHOWN. ADDRESS: 2013 W. 12TH STREET, SANTA ANA, CA 92703 SOLAR ARRAY (ON ROOF) N INVERTER & DC DISCONNECT TO BE INSTALLED ON THE OUTSIDE COVER OF THE MAIN SERVICE DISCONNECT: PV SOLAR DC DISCONNECT MAXIMUM VOLTAGE = 480.00 V MAXIMUM CIRCUIT CURRENT = 30.00 A MAXIMUM RATED OUTPUT CURRENT OF THE DC-TO-DC CONVERTER = 15.00 A TO BE INSTALLED ON THE FRONT OF THE DC DISCONNECT: RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM RATED AC OUTPUT CURRENT = 31.25 A NOMINAL OPERATING AC VOLTAGE = 240 V TO BE INSTALLED ON THE FRONT OF THE AC DISCONNECT: WARNING POWER SOURCE OUTPUT CONNECTION - DO NOT RELOCATE THIS OVERCURRENT DEVICE TO BE INSTALLED AT THE BACKFED BREAKER SERVING THE PV SOLAR SYSTEM: TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN THE ARRAY SOLAR ELECTRIC PV PANELS SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN TO BE INSTALLED ON THE FRONT OF THE MAIN SERVICE DISCONNECT: "SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN" SHALL BE BLACK LETTERING ON YELLOW BACKGROUND. THE REMAINDER OF THE SIGN SHALL BE BLACK LETTERING ON WHITE BACKGROUND. SHEET NOTICE: ANY CHANGES TO OR USES OF THESE DOCUMENTS/DRAWINGS WITHOUT THE WRITTEN CONSENT OF JENNIFER KEMME OR SCOTT HARRIS ARE STRICTLY PROHIBITED. 4 OF 4 PLANS PREPARED BY: JENNIFER KEMME PH: 909.748.1300 SYSTEM CALCULATIONS: MODULE POWER = 390 W NUMBER OF MODULES IN LONGEST STRING = 9 (9) 390 W = 3510 W OPTIMIZER MAX POWER PER STRING = 5700 W 3510 W < 5700 W, OK OPERATING CURRENT = POWER RATING/OPERATING VOLTAGE = 3510 W/380 V = 9.24 A OPTIMIZER TO INVERTER TARGET VOLTAGE/OPERATING VOLTAGE = 380 V MAX SYSTEM VOLTAGE (Voc) CONTROLLED BY INVERTER = 480 V SHORT-CIRCUIT CURRENT (Isc) CONTROLLED BY OPTIMIZER = 15.00 A INVERTER MAX OUTPUT CURRENT = 25.00 A 25.00 A (1.25) = 31.25 A [Ic], USE 40 A BREAKER MAIN SERVICE PANEL BUS RATING = 200 A MAIN SERVICE PANEL MAIN OCPD = 200 A 200 A + 40 A SOLAR OCPD = 240 A 200 A BUS (1.2) = 240 A 240 A = 240 A, OKWIRE CALCULATIONS: FROM OPTIMIZERS TO INVERTER/DC DISCONNECT: AMBIENT TEMPERATURE = 34°C TEMPERATURE ADDER FOR CONDUIT NOT OFFSET FROM ROOF = 33°C ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(a) FOR 90°C INSULATED CONDUCTOR AT 34°C + 33°C = 67°C = 0.58 Isc = 15.00 A 15.00 A/0.58 = 25.86 A NUMBER OF CURRENT CARRYING CONDUCTORS IN CONDUIT = 4 ADJUSTMENT FACTOR PER TABLE 310.15(B)(3)(a) FOR CONDUIT FILL (4-6 CONDUCTORS IN CONDUIT) = 0.80 25.86 A/0.80 = 32.33 A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 32.33 A, USE 10 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 40 A SELECT CONDUIT FOR (4) 10 AWG THWN-2 & (1) 8 AWG GROUND = 3 4" EMT CONDUIT FROM THE INVERTER TO THE MAIN SERVICE PANEL: ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(a) FOR 90°C INSULATED CONDUCTOR AT 34°C = 0.96 Ic = 31.25 A 31.25 A/0.96 = 32.55 A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 32.55 A, USE 8 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 55 A SELECT CONDUIT FOR (3) 8 AWG THWN-2 & (1) 8 AWG GROUND = 3 4" EMT CONDUIT 79119PV 2013 W. 12th St. 07/27/22