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1 <br />Raceway Elevation from rooftop is 1/2" to 3-1/2" Durablock or equivalent <br />(N) 3/4" EMT raceway with 2 current-carrying conductors (1 Raceway) <br />30A #12 THWN-2 AWG 90ºC x 0.76 (123º F) Correction x 0.80 Fill <br />Conductor amp rating: <br />Array #1 <br />2 <br />30 x 0.76 x 0.80 = <br />= 10 Inverters x 1.21 x 1.25 <br />18.3A @ 240V <br />15.12A @ <br />MAX <br />240V PEAK <br />(N) 3/4" EMT raceway with 2 current-carrying conductors (1 Raceway) <br />30A #12 THWN-2 AWG 75ºCºC x 1.00 (83º F) Correction x 1.00 Fill <br />Conductor amp rating: 30 x 1.00 x 1.00 = <br />Feeder 10 Inverters x 1.21 x 1.25 = <br />30.0A @ 240V <br />15.12A @ 240V <br />Electrical Notes:Project Information: <br />MAX <br />PEAK <br />(N) E.G.C. Equipment Grounding Conductor. (See Note 12) <br />Modules and Rails are grounded using UL 2703 listed equipment. <br />#6 Bare copper to THWN-2 through raceway to (E) G.E. <br />Connection is by means of irreversible splice or exothermic welding. <br />Photovoltaic Solar system E.G.C. is continuous without break. <br />Photovoltaic DC System Type: Ungrounded <br />Note: Value of capacity of conductors shall be used for <br />60/75 degrees column per CEC Table 310.15(B)(16) <br />unless separately installed conductors and connectors <br />are rated at least 90 degrees. (90ºC Terminal Rating) <br />(N) Nema 3R/4X J-Box for Enphase IQ Cable to <br />raceway transition <br />(N) Enphase Engage IQ Cable System MC4 <br />connector used to connect modules <br />(N) Free-air grounding conductors <br />shall be size #6 AWG (min.) <br />CEC 250.120(C) <br />10 Modules & Inverters <br />1 <br />2x Hots #12 <br />1x E.G.C. #12 <br />1. Contractor responsible for complying with all local and CEC code requirements and manuals for installing a <br />photovoltaic system. <br />2. All components must be grounded per CEC requirements. <br />3. Each module must be grounded according to installation requirements. <br />4. All photovoltaic equipment shall be listed and recognized per CEC. <br />5. Interconnection method shall comply with CEC 705.12 <br />6. CEC 310.15(B)(3)(c) Informational note 1: Ambient temperatures based off Ashrae.org by averaging the <br />summer months of June through August Dry-Bulb design then rounded to the nearest whole number. <br />7. Rooftop conduit exposed to sunlight are applicable to CEC 310.15(B)(3)(c). <br />8. Notify service utility before activation of photovoltaic System. <br />9. When backfed breaker is the method of utility interconnection, breaker shall not read line and load. <br />10. The photovoltaic connection in the main service panel shall be positioned at the opposite (load) end from <br />the input feeder location or main circuit breaker. <br />11. All solar appurtenances shall be painted a color similar to the color of the surface upon which they are <br />mounted. <br />12. All metal conduit and enclosures shall be bonded with bushings and bonding jumpers. <br />13. Rails and modules are grounded using ENPHASE grounding mid clamps, grounding straps and ground <br />lugs. (UL 2703) <br />14. Ground will be connect to existing electrical systems that use a water piping & grounding electrode. <br />16. Rapid Shutdown is incorporated into Enphase micro-inverter architecture. [S/I] <br />Quantity Modules <br />Quantity Inverters <br />Solar System DC Size <br />Ambient Temperature (ºF) <br />Rooftop Temperature (ºF) <br />Record High Temperature (ºF) <br />Record Low Temperature (ºF) <br />Max System Voltage <br />PV Module Ratings: <br />Module Make <br />Module Model <br />Max Power <br />Open Circuit Voltage <br />Max. Power Point Voltage <br />Short Circuit Current <br />Max. Power Point Current <br />Inverter Make <br />Inverter Model <br />Max. Output Power <br />Max. DC Voltage <br />Nominal AC Voltage <br />Max. AC Current <br />CEC Inverter Efficiency <br />(N) Nema 3R, <br />30 A DISCONNECT 2 <br />20A <br />HANWHA <br /> QPEAK G5420 <br />420 W <br />49 V <br />41V <br />8.25 A <br />7.72 A <br />Inverter Ratings <br />Enphase <br />IQ7+-72-2-US <br />290 W <br />1.20 A <br />60 V <br />240 V <br />97.5% <br />Interconnection Calculation [705.12(D)(2)(3)(b) <br />Busbar x 120% >= Main OCPD + PV <br />100 x 120% >= 100 + 20 <br />120A >= 120 A <br />(N) Single Phase 120/240 <br />100A Main Service Panel <br />100A Busbar Rating <br />(E) 100A <br />To Utility <br />SCE <br />(E) G.E. <br />10 <br />4200 W <br />10 <br />83 <br />+40 / 123 <br />108 <br />30 <br />40.0 V <br />E. <br />G <br />. <br />C <br />. <br />2x Hots #12 <br />1x E.G.C. #12 <br />(E) Single Phase 120/240 <br />100A Panel <br />(See Note 14) <br />15. Romex wire could be used if it is run inside wall or attic. <br />4417 1%2 W <br />Oakfield Ave04/12/22