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ELECTRICAL <br />DIAGRAM <br />PV-3 <br />Solar Contractors Inc. <br />ADDRESS: <br />5628 Baldwin Ave. <br />Temple City, CA 91780 <br />CONTACT NAME(S): <br />Alan Shih <br />PHONE: 626-353-4787 <br />LICENSE TYPE: B, C-46 <br />LICENSE #: 1007552 <br />CONTRACTOR: <br />PROJECT <br />INFORMATION: <br />Do Residence <br />ADDRESS: <br />2050 Rembrandt <br />Santa Ana, CA 92704 <br />OWNER NAME(S): <br />Tuan Do <br />PHONE: 812-272-8351 <br />EMAIL: tuandns@gmail.com <br />SYSTEM DC: 12.54 kW <br />SYSTEM AC: 11.268 kW <br />8/19/2021 <br />ALAN SHIH <br />AS INDICATED <br />REV DESCRIPTION DATE <br />DATE <br />SCALE <br />DRAWN BY <br />MODULE SPECIFICATIONS: <br />MODULE QTY 33 No. <br />MANUFACTURER Hanwha Q CELLS <br />MODEL NUMBER Q.PEAK DUO ML-G9+380 <br />MAX POWER OUTPUT (Pmax) 380 Wp <br />PTC RATING 352 W <br />CELL TYPE Monocrystalline <br />EFFICIENCY 97% <br />ELECTRICAL NOTES: <br />1. ALL WORK SHALL COMPLY WITH THE 2019 CBC, 2019 CEC, AND 2019 NEC WITH SPECIAL EMPHASIS ON ARTICLE 690. <br />2. ALL CONDUCTORS SHALL BE COPPER, RATED FOR 600V AND 90°C WET ENVIRONMENT. <br />3. MODULE SUPPORT RAIL TO BE BONDED VIA SUNPOWER INTEGRATED BONDING. <br />4. WORKING CLEARANCE AROUND ALL NEW AND EXISTING ELECTRICAL EQUIPMENT SHALL COMPLY WITH NEC 110.26. <br />5. SOLAR BACKFEED BREAKER TO BE INSTALLED AT OPPOSITE END OF THE CIRCUIT OR FURTHEST AWAY FROM THE MAIN PER 690.64 (B)(7). <br />6. ALL EQUIPMENT TO BE UL LISTED OR OTHER NRTL., AND LABELED FOR ITS APPLICATION.. <br />7. MODULE GROUNDING CLIPS TO BE INSTALLED BETWEEN MODULE FRAME AND SUPPORT RAIL, PER MANUFACTURE'S INSTRUCTIONS. <br />8. WIRING, CONDUIT, AND RACEWAYS MOUNTED ON ROOFTOPS SHALL BE ROUTED DIRECTLY TO, AND LOCATED AS CLOSE AS POSSIBLE <br />TO THE NEAREST RIDGE, HIP, OR VALLEY. <br />9. WHERE SIZES OF J- BOXES, RACEWAYS AND CONDUITS ARE NOT SPECIFIED, THE CONTRACTOR SHALL SIZE THEM ACCORDINGLY. <br />10. ALL LABELS AND MARKINGS SHALL BE ATTACHED PER NEC ARTICLES 690.5 (C), 690.14 (C)(2), 690.17, 690.53,690.35(F), 690.54, 690.64(B)(7), 705.1, <br />AND THE LOCAL AHJ. <br />11. ALL WIRE TERMINATIONS SHALL BE APPROPRIATELY LABELED AND READILY VISIBLE. <br />OCPD CALCULATIONS: <br />INVERTER OUTPUT CURRENT: 1.21A <br />CONTINUOUS DUTY FACTOR: 1.45 <br />BRANCH A,B,C <br />INVERTERS: 11 <br />B-CIRCUIT CURRENT: 11 X 1.45 X 1.25 = 19.9A-> 20A OCPD <br />BRANCH B, <br />INVERTERS: 8 <br />B-CIRCUIT CURRENT: 8 X 1.21 X 1.25 = 13.61A->15A OCPD <br />33 x 1.45 x 1.25 = 59.8 -> 60A OCPD AT MAIN SERVICE <br />WIRE SIZE CALCULATIONS <br />J BOX TO AC SUBPANEL: (WORST CASE) <br />MAX CONTINUOUS CURRENT:19.9 <br />MULTIPLE CONDUCTOR 6 CCC FACTOR: 0.8 <br />TEMP DERATE FACTOR =0.91 <br />19.9/0.8/0.91=27.3 <br />WIRE SIZE FROM NEC TABLE 310.15(b)16 - 10 AWG <br />AFTER AC SUBPANEL: <br />MAX CONTINUOUS CURRENT:47.9 <br />TEMP DERATE FACTOR =0.91 <br />47.9/0.91=52.6 <br />WIRE SIZE FROM NEC TABLE 310.15(b)16 - 6 AWG <br />AMBIENT TEMP FACTOR 0.71 PER NEC 310.15(b)(2)(a) <br />TEMPERATURE DATA: <br />HIGH TEMPERATURE: <br />ASHRAE 2% AVG. HIGH <br />DESIGN TEMP. <br />=104°F/40°C <br />LOW TEMP: <br />ASHRAE EXTREME ANNUAL <br />MEAN MINIMUM DESIGN TEMP <br />=30.2°F/-1°C <br />INTERCONNECTION CALCULATION <br />225A BUS *1.20 = 270A - 200 MAIN CB <br />=70 >= 60A OK <br />ELECTRICAL DIAGRAM NOTE: <br />a. PV ARRAY IS (33) Hanwha Q CELLSQ.PEAK DUO <br />ML-G9+380 380W MODULES, EACH MODULE HAS A MICRO <br />INVERTER UNDER THE MODULE. MODULES GROUNDED VIA <br />MID/END CLAMPS TO RAILS PER MANUFACTURER INSTRUCTION. <br />b. AC INTERCONNECTING CABLE SYSTEM SUPPLIED BY MANUFACTURE; <br />BLACK-L 1, RED-L2, GREEN-GROUND. <br />c.NEMA3R RATED JUNCTION BOX OR TRANSITION BOX. <br />d.AC CONDUCTORS IN CONDUIT SHALL BE (6) #10 AWG (COPPER) <br />THWN-2 CONDUCTORS + (1) #8 GROUND THWN-2 GREEN IN 3 <br />4" EMT <br />RAN ON THE ROOFTOP OR EXTERIOR WALL OR FLEX INSIDE WALL <br />e. (N) 125A SOLAR AC SUB PANEL, 120/240V, NEMA 3R, WITH (3)20A <br />2-POLE FOR SOLAR AND (1) 10A 2-POLE MONITORING OCPD'S. <br />f. (3) #6 AWG (COPPER) THWN-2 CONDUCTORS + (1)#8 GROUND <br />THWN-2 GREEN IN 3/4" EMT ON EXTERIOR OR FLEX INSIDE WALL. <br />g. SOLAR POINT OF CONNECTION IS (N) 225A MAIN SERVICE PANEL <br />WITH (N) 200A MAIN BREAKER ON (N) 225A BUS, 120/240 VAC SINGLE <br />PHASE. CONTRACTOR TO INSTALL (1) NEW 2-POLE 60A SOLAR OCPD. <br />h. EXISTING GROUNDING ELECTRODE. IF NONE EXISTS, A NEW <br />GROUND ROD MAY BE REQUIRED. <br />i.BI-DIRECTIONAL UTILITY METER <br />j.60A Non-Fusible, visible PV AC Disconnect 240V 2P. <br />k.(3) #14 AWG (COPPER) THWN-2 CONDUCTORS (L1,L2,N)+ (1)#14 <br />GROUND THWN-2 GREEN IN 1/2" EMT/LFNC <br />DC <br />AC <br />DC <br />AC <br />DC <br />AC <br />MOD <br />A11 <br />MICRO-INVERTERS <br />IN BRACH- <br />CIRCUIT <br />A <br />MOD <br />A2 <br />MOD <br />A1 <br />DC <br />AC <br />DC <br />AC <br />DC <br />AC <br />MOD <br />B11 <br />MICRO-INVERTERS <br />IN BRACH- <br />CIRCUIT <br />B <br />MOD <br />B2 <br />MOD <br />B1 <br />M <br />MAIN C/B <br />125A <br />GND <br />(N) 60A/2P <br />UTILITY GRID <br />(N) 10A/2P <br />(N) 20A/2P <br />(N) 20A/2P <br />GN <br />D <br />125A PV <br />SUB PANEL <br />12 <br />5 <br />A <br /> <br />B <br />U <br />S <br />(N) MAIN C/B <br />200A <br />(N) 225A MAIN <br />SERVICE PANEL <br />(NON CENTER FED) <br />22 <br />5 <br />A <br /> <br />B <br />U <br />S <br />b. <br />b. <br />c. <br />d. <br />e. <br />f. <br />g. <br />h. <br />i. <br />BUILT IN ENVOY <br />MONITORING <br />a <br />INVERTER SPECIFICATIONS: <br />INVERTER QTY 33 No. <br />MANUFACTURER Enphase Energy <br />MODEL NUMBER IQ7A-72-2-US <br />NOMINAL AC POWER 240 W <br />OPERATING VOLTAGE 240 V <br />MAX AC OUTPUT CURRENT 1.45 A <br />MAX DC POWER 460 W <br />MAX DC VOLTAGE 58 V <br />MPPT VOLTAGE RANGE 18-58 V <br />MAX INPUT CURRENT 15 A <br />EFFICIENCY 97% <br />DC <br />AC <br />DC <br />AC <br />DC <br />AC <br />MOD <br />C11 <br />MICRO-INVERTERS <br />IN BRACH- <br />CIRCUIT <br />C <br />MOD <br />C2 <br />MOD <br />C1 <br />b. <br />(N) 20A/2P <br />2050 W Rembrandt <br />09/28/21