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PV-6REV: A 10/5/2022 UBALDO RAMIREZ LOZA 2229 CYPRESS AVE, SANTA ANA, CALIFORNIA 92707 APN # 40314209 TEL #: (714) 206-1647 CLIENT: CALCS CSLB # 619149 CLASS: B, C-10 NAME: GARY GIETZ, JACK MCCLARY SIGNED: 10/5/2022 PHONE 310.904.6139 ENERGY SERVICE PARTNERS 970 W 190TH ST, STE 302 TORRANCE, CA 90502 CONTRACTOR: ELECTRICAL CALCULATIONS AC WIRE SIZING CALCULATIONS AT ARRAY Enphase QCable = 12 AWG, 30 A @90⁰C BRANCH CIRCUITS (Max Micro Inverter Output) x (Continuous Load)[210.19(A)(1)] x (# Micros In Branch Circuit)=1.45 A X1.25 X 7 12.69 A TOTAL AMPACITY (High Temp)[Table 310(B)(2)(A) x (Conductor Ampacity)[Table 310.15(B)(16)] x (Conduit Fill)[Table 310.15(B)(3)(a)]0.91 X 30 A X 1 27.30 A 12.69 A < 27.30 A Therefore 12 AWG/ Q CABLE is sufficient AFTER JBOX Wire = 10 AWG, 40 A @ 90⁰C BRANCH CIRCUITS (Max Micro Inverter Output) x (Continuous Load)[210.19(A)(1)] x (# Micros In Branch Circuit)=1.45 A X 1.25 X 7 12.69 A TOTAL AMPACITY (High Temp)[Table 310(B)(2)(A) x (Conductor Ampacity)[Table 310.15(B)(16)] x (Conduit Fill)[Table 310.15(B)(3)(a)]0.91 X 40 A X 1 36.40 A 12.69 A < 36.40 A Therefore 10 AWG is sufficient AC WIRE SIZING CALCULATIONS AFTER COMBINER BOX Wire = 10 AWG, 40 A @ 90⁰C MAX AC OUTPUT CURRENT (Σ of Micros in Branch Circuits ) x (Max Micro Inverter Output Current) x (Continuous Load)[210.19(A)(1)]7 X 1.45 A X 1.25 12.69 A TOTAL AMPACITY (High Temp)[Table 310(B)(2)(A) x (Conductor Ampacity)[Table 310.15(B)(16)] x (Conduit Fill)[Table 310.15(B)(3)(a)]0.91 X 40 A X 1 36.40 A 12.69 A < 36.40 A Therefore 10 AWG is sufficient OCPD CALCULATIONS MAX AC OUTPUT CURRENT (Σ of Micros in Branch Circuits ) x (Max Micro Inverter Output Current) x (Continuous Load)[210.19(A)(1)]7 X 1.45 A X 1.25 12.69 A 12.69 A ---> 20 A Overcurrent Protection AFTER LOAD CENTER Wire = 6 AWG, 75 A @ 90⁰C MAX AC OUTPUT CURRENT [Existing system #1 Output]+[Existing system #2 Output] + (Σ of Micros in Branch Circuits ) x (Max Micro Inverter Output Current) x (Continuous Load)[210.19(A)(1)] [((E)14.5A + (E)21A + (7x1.45A))x1.21]57.06 TOTAL AMPACITY (High Temp)[Table 310(B)(2)(A) x (Conductor Ampacity)[Table 310.15(B)(16)] x (Conduit Fill)[Table 310.15(B)(3)(a)]0.91 X 75 A X 1 68.25 57.06 A < 68.25 A Therefore 6 AWG is sufficient OCPD CALCULATIONS MAX AC OUTPUT CURRENT [Existing system #1 Output]+[Existing system #2 Output] + (Σ of Micros in Branch Circuits ) x (Max Micro Inverter Output Current) x (Continuous Load)[210.19(A)(1)] [((E)14.5A + (E)21A + (7x1.45A))x1.21]57.06 57.06 A ---> 60 A Overcurrent Protection INVERTER CHARACTERISTICS - ENPHASE IQ7A-72-2US MAX OUTPUT POWER 349 W SYSTEM OPERATING VOLTAGE 33/58 V MAX CONTINOUS OUTPUT CURRENT 1.45 A MAX INPUT VOLTAGE 58 V SYSTEM SHORT CIRCUIT CURRENT 13.26 A CEC MAX EFFICIENCY 97 % TEMPERATURE ADDERS CONDUIT TO BE INSTALLED MIN. OF 7 8" ABOVE ROOF HIGH TEMPERATURE 39 °C LOW TEMPERATURE -7 °C TEMP ADDER FOR ROOF RUN 0 °C TEMP ADDER FOR ATTIC RUN 7 °C SYSTEM CHARACTERISTICS VALUES MAX POWER-POINT CURRENT (Module IMP) x (# Strings)9.05 A X 1 9.05 A MAX POWER-POINT VOLTAGE (Module VMP) x (# Modules / Largest String)43.1 V X 1 43.1 V MAX SYSTEM VOLTAGE (Voltage Correction Factor) x (Module VOC) x (# Modules / Largest String)51.9 V X 1 X 1.14 59.17 V MAX CIRCUIT CURRENT (Module ISC) x (# Strings) x (Continuous Load)9.82 A X 1 X 1.25 12.28 A DC DISCONNECT VALUES RATED MAX POWER-POINT CURRENT (IMP) 10.68 A RATED MAX POWER-POINT VOLTAGE (VMP) 37.00 V MAX SYSTEM VOLTAGE (VOC)44.30 V MAX SHORT CIRCUIT CURRENT (ISC)11.44 A MODULE CHARACTERISTICS - CSI SOLAR CS3N-395MS [BLK] MAX POWER (PMAX) @ STC 395 W OPEN CIRCUIT VOLTAGE (VOC)44.3 V SHORT CIRCUIT CURRENT (ISC)11.44 A MAX POWER VOLTAGE (VMP)37.2 V MAX POWER CURRENT (IMP)10.68 A SERIES FUSE RATING 20 A 2229 Cypress Ave - 101112580-201778 10 11/04/22