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Notes for One-Line Standard Electrical <br />Diagram for Single-Phase PV Systems <br />System AC Size <br />Site Address <br />NTS Da\e: 1 1812020 <br />SIGNS_SEE GUIDE SECTION 7 <br />NOIES FOR ALL DRAW NGS SIGN FOR DC DISCONNECT <br />PV IVODULE RATINGS @ STC (Guide Section 5) <br />OCPD = OVERCURRENT PROTECTION DEVICE <br />l\,4ODULE \,1AKE Canadian Solar <br />PHOTOVOLTAIC POWER SOURCE <br />I\,4AX SYSTE[,4 VOLTAGE <br />15.00 A <br />406.6 v <br />I\,4AX CIRCUIT CURRENT 15.00 A <br />WARNING: ELECTRICAL SHOCK <br />HAZARD_LINE AND LOAD MAY BE <br />FNERGIZED IN OPEN POSITION <br />NATIONAL ELECTRICAL CODEO REFERENCES <br />sHowN AS (NEC X)O(.XX) <br />RATED MPP CURRENT <br />MODULE MODEL cs3K-310MS 3'10W <br />RATED MPP VOLTAGE <br />INVERTER RATINGS (Guide Section 4) <br />SolarEdge TechnologiesNVERTER MAKE <br />LNVERTER MODEL SE3OOOH-US <br />MAX DC VOLT RATING 480 v <br />MAX POWER @ 4o"C 3000 w <br />NOl\,4INAL AC VOLTAGE 240 v <br />[,4AX AC CL]RRENT 12.5 A <br />N4AX OCPD RATING 20 <br />SIGN FOR INVERTER OCPD AND <br />AC DISCONNECT (F USED) <br />IE COEFF SUPPLIED, CIRCLE UNITS <br />SOLAR PV SYSTEM <br />AC POINT OF CONNECTION <br />AC OUTPUT CURRENT 12.5 A <br />NON/INAL AC VOLTAGE 240 v <br />THIS PANEL FED BY IVULIIPLE <br />SOURCES (UTILIry AND SOLAR) <br />NOTES FOR ARRAY CIRCU T WIRING (GUidE SECI ON 6 ANd 8 ANd APPENdiX D) <br />1 ) LoWEST ExPECT AMBIENT TEI\,IPERATURE BASED ON ASHRAE MlNlMUltl MEAN <br />EiTREt E DRy BULB TEMPERATURE FoR ASHRAE LocATtoN ttlosr slMlLAR To <br />INSTALLATION LOCATION, LOWEST EXPECTED AINBIENT TEMP L'C <br />2.) HIGHEST CONTINUOUS AMEIENT TEI.4PERATURE BASED ON ASHRAE HIGHEST <br />[.4bNTH 2% DRy BULB TEt\.{pERATURE FoR ASHRAE LocATloN Mosr sll\-4lLAR To <br />INSTALLATION LOCATION. HIGHEST CONTINUOUS TEMPERATURE l1-oc <br />2 ) 2OO5 ASHRAE FUNDEMENTALS 2Ol, DESIGN TEI\IPERATURES DO NOT EXCEED <br />47OC IN THE UNI-ED S-ATES (PALI/ SPRINGS, CA IS 44.'OC) EOR LFSS THAN 9 <br />CURRENT.CARRYING CONDUCTORS IN ROOF.VOUNTED SUNLIT CONOUIT AT <br />LEAST 0,5" ABOVE ROOF AND USING THE OUTDOOR DESIGN TEMPERATURE OF <br />47"C OR LESS (ALL OF UNITEO STATES), <br />a, 12 AWG, 90"C CONDUCTORS ARE GENERALLY ACCEDTABLE FOR IVODLJLES <br />WIiH Isc OF 7 58 AMPS OR LESS WrIEN PROTECTfD BY A 12.AIVO OR SI\,{ALLER <br />FUSE, <br />b, 10 AWG, 90oC CONDUCTORS ARE GE\ERALLY ACCTPIABLE FOR I\TOOULES <br />WITH lsc OF 9.6 A[,lPS OR LESS WHEN PROTECTED BY A 15-Al\,4P OR SVALLER <br />FUSE, <br />1)IF UTILITY REQUIRES AVISIBLE.BREAK SWITCH, DOES THIS SWITCH MEETTHE <br />REQUIREMENT? YESE NOtr N/Atr <br />2) IF GENERATION METER REQUIREO, DOES TI]IS METER SOCKET I\,IEET THE <br />REOUIREI\,4ENT? YES E NO tr N/A E <br />3) SIZE PHOTOVOLTAIC POWER SOURCE (DC)CONDUCTORS BASED ON MAX <br />CURRENT ON NEC 690,53 SIGN OR OCPD RATING AT DISCONNECT <br />4) SIZE INVERTER OUTPUT CIRCUIT (AC) CONDUCTORS ACCORDING TO INVERTER <br />OCPD AMPERE RATING. (See Guide Section 9) <br />5) TOTAL OF r INVERTER OCPD(S), ONE FOR EACH INVERTER. DOES TOTAL <br />supply BREAKERS COMPLY WrrH ',r20% BUSBAR EXCEPTTON rN 690.64(8)(2)(a)? <br />YES E NOD <br />9.43 AMAX POWER,POINT CURRENT (IMP) <br />MAX POWER.POINT VOLTAGE (VMP) <br />oPEN-CtRCUtT VOLTAGE (Voc) <br />SHoRT,CTRCUtT CURRENT (tsc)9.98 <br />32.9 <br />MAX SERIES FUSE (OCPD) <br />[.4AXll\.4UIV POWER (PM^r) <br />244 <br />60MAX VOLTAGE (TYP 600voc) <br />VOC TEMP CoEFF (mvpctr or %/"C El) -0.3 <br />NOTES FOR STANDARD STRING SYSTEM ELECTRICAL DIAGRAM <br />F <br />o <br />Uo <br />c- <br />F <br />2 <br />c <br />F <br />o <br />Site Name: <br />380 v <br />310 w <br />NoTES FOR INVERTER CIRCUITS (Guide Seclion 8 and s):