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N()l'[]s F()rr STANT)ARD S'r trrNC Sysl-r,M EL-r,ct'ntcirr. L)tnct{AM <br />Notes for One-Line Standard Electrical <br />Diagram for Single-Phase PV Systems <br />System AC Size <br />Srte Address <br />Srte Name <br />ons 3y Jeremy Herget <br />ci.dod By Jeremy Hergel <br />39.9 v <br />SIGNS_SEE GUIDE SECTION 7 <br />NOTES FOR ALL DRAWINGS SIGN FOR DC DISCONNECTPV MODULE RATINGS @ STC (Guide Seclion 5) <br />OCPO = OVERCURRENT PROIECTION DEVICE PHOTOVOLTAIC POV\E R SOURCE <br />MOOULE MAKE Solarworld <br />MOOULE MODEL SW290-Mono <br />NATIONAI- ELECTRICAL COOE' REFERENCES <br />SHOWN AS (/\/EC XXX XX) <br />RATED MPP CURRENl <br />RATED MPP VOLTAGE <br />18.75 _ A <br />500 v <br />600 v <br />37.5 A <br />MAX POWER POINT CU RRENT (t,i,,)7.54 A <br />MAX SYSTEM VOLTAGE <br />MAX POI /ER-POINT VOTIAGE (Vp)31.4 v INVERTER RATINGS (Gurde Seclron 4) <br />MAX CIRCUIT CURRENT <br />OPEN CIRCUIT VOLTAGE (VG)INVERTER MAKE Enphase WARNING: ELECTRICAL SHOCK <br />HAZARD_LINE AND LOAD I\4AY BE <br />ENERGIZED IN OPEN POSITION <br />sHoRT-CTRCUTT CURRENT (rs.)9.97 A INVERTER MODEL M250-60-2Lt-S22 <br />MAX SERIES FUSE (OCPD)15 MAX DC VOLT RATING 48 <br />MAXIMUM POWER (PMfu)290 w M{jllf 1_@ ro.c <br />NOMINAL AC VOLTAGE <br />250 w SIGN FOR INVERTER OCPD AND <br />AC DISCONNECT (IF USED) <br />MAX VOLTAGE (TYP 600V,j.)SOLAR PV SYSTEM <br />AC POINT OF CONNECTIONVOC rEMP COEFF (mV/€El or o/r'C El)-0.40 MAX AC CURRENT 1.0 A <br />IF COEFF SUPPLIED CIRCLE UNITS MAX OCPO RATING 15 <br />THIS PANEL FED BY I\,!ULTIPLE <br />SOURCES (UTILITY AND SOLAR) <br />NOTES FOR ARRAY CIRCUIT WRING (Gude Seclon 6 and I and AppendB D)NOTES FOR INVERTER CIRCUITS (GUIde Sectlon 8 and 9J <br />I ) LOV1EST EXPECT AMAIENT TEMPERATURE SASED ON ASHRAE MINIMUM MEAN <br />EXTREME ORY AULE TEMPERATURE FOR ASHRAE LOCATION MOST SIMILAR TO <br />INSTAILATION LOCATION LOWESI EXPECTED A-irBlENT TEMP --oC <br />2 ) HIGHEST CONTINUOUS AMBIENT TEMPERATURE BASED ON ASHRAE HIGHEST <br />MONTH 2% ORY EULB TEMPERATURE FOR ASHRAE LOCATION MOST SIMILAR TO <br />INSTAILATION LOCATION HIGHEST CONTINUOUS TEMPERATURE L"C <br />2 ) 2OO5 ASHRAE FUNOEMENTALS 2% DESIGN TEMPERATURES DO NOT EXCEEO <br />47"C IN THE UNITEO STATES (PALM SPRINGS CA IS 44 1OC) FOR LESS THAN 9 <br />CURRENT.CARRYING CONOUCTORS IN ROOF.MOUNTED SUNLIT CONDUIT AT <br />LEAST O 5" ABOVE ROOF AND USING THE OUTDOOR DESIGN TEMPERATURE OT <br />47'C OR LESS (ALL OF UNITED STATES), <br />a) 12 AU/G. 90'C CONDUCIORS ARE GLNERAI-LY ACCEPTABLF FOR MODULES <br />wlTH lsc OF 7 68 AMPS OR LESS l/tlEN PROTECTEO 8Y A 12.AMP OR SMAtt ER <br />FUSE <br />b) 1O AV1re, gO'C CONDUCTORS ARE GENERALLY ACCEPTABLE FOR MODULES <br />WTH lsc OF I 6 AMPS OR LESS l /llEN PROTECTED BY A 15-AMP OR SMALLER <br />FUSE <br />1) IF UTILITY REQUIRES A VISIBLE,AREAK SWTCH DOES IHIS SWTCH M€ET THE <br />REQUIREMENT? YES I NOO N/AO <br />2) IF GENERATION METER REQUIRED DOES THIS METER SOCKET MEET THE <br />REOUIREMENT? YES E NO tr N/A tr <br />3) SrZE PHOTOVOLTATC POWER SOURCE (DC)CONDUCTORS BASED ON MAX <br />CURRENI ON NEC 690 53 SIGN OR OCPO RATING AT DISCONNECT <br />4) SIZE INVERTER OUTPUT CIRCUIT (AC) CONOUCTORS ACCOROING TO INVERTER <br />OCPD AMPERE RATING (See GUde Secton 9) <br />5I TOTAL OT INVERTIR OCPDIS, ONE FOR EACH INVERTER DOFS TOTAI <br />SUPPTY EREATERS COMPLY wlTH I2oil" BUSELqR ExCLP I ION IN 690 64(ax2)(a), <br />YES E NOtr <br />AC OUTPUI CURRENT <br />NOIVIINAL AC VOLTAGE <br />26.25 A <br />240 v <br />t: <br />l, <br />lt <br />t: <br />l: <br />I <br />Ea-"l I <br />I <br />600 <br />l <br />I <br />l*" Nrs lo"r"