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SMA SB6.0-US Inverter with Hyundai HIS-S290RG Modules 6.96 kW DC Photovoltaic System Electrical Diagram with (2) Series Strings of 12 Modules 00 � $ � Optional Supply Side Connection Tomverter NEC705.12A 5290 (12)Hyundai HiS-S290RG RG — #12 290 Watt Modules in series L1 G N M N6 bare copper GEC (3)p 6 UtilRy meter THHN?HWN-2 I 3/4"PVCconduR z00A S290 � 60 A fused RG #�2 d�o��a�tw�tn = Hyundai HiSS290RG 35A fuses ��m9 Ma'vi DistnLution electrode P�el SMA SB 6.0-US Inverter Module Specifications Max.Input DC Voltage: 600 VDC 4)#10 AWG PV Wire 3-R,3-B (1)#6 AWG Bare Copper Pmax: 290 Wp � Voc: 38.8 V Max ISC per string: 18 A 200A Panelboard with MPPT Range: 100-550 VDC 200A Main breaker Vmpp:32.0 V Max Output Voltage:240 VAC (4)#10 AWG THHNITHWN-2 Isc: 9.7 A O Z-B�2-R Impp: 9.1 A Max Output current: 25 A(AC) zooA-2 (1)#s AWG THHN/THWN-2 .C.Voltage: -0.30%/C AC Nominal Power: 6000 Watts O 1-G 3/4"EMT,FiNC(inside structure Notes: All work to meet or exceed NEC 2071 10 OO LFNC,PVC(outside structure) 690.37E 1 Junction box to be located within the array boundary. Junction box must be minimum Nema 3R UL listed Nema 3R enclosure.Free air conductors must be installed in raceway if readily accessible as per 690.31(A). 11 2 The minimum volume of the Nema 3R enclosure for the transition of PV wire to THWN-2 wire shall be 35A/2 Junction i Box 42 cubic inches. Heyco 5 wire Masthead gland seals or similar connector are required as strain relief i for PV wire into Nema 3R junction box at array. � � i SMA Sunny Boy 6.0-US g Interconnection with 35 Amp 2 pole OCPD via 2011 NEC 705.12(D)(2)Load Side Connectipn. The 35 A Transformerless Inverte backfed breaker must be located at the opposite end of the bus from the 200 A main supply breaker exfsting � oc with integrated DC 4 The required PV Backfed breaker plus the main breaker rating must be less than or equal to 120%of grounding � � nc disconnect the Main service bus rating. 705.12(D)(2) electrode 5 Optional Supply Side connection via 705.12A using parallel line taps in a NEMA 3R box(as required) � (4)#8 AWG THHN/THWN- i . using NSI IPCS4002, Ilsco IPC-KUP-L or NSI Tork IPLD 3/0-3 Multi-Tap Connector or equivalent. 1-B,1-R,1-W,1-G � i 6 PV service disconnecting means for"optional"supply side connection must have neutraU EGC bond \ \ � i 3/4"EMT,FMC,LFNC, W�thin and must be listed as"suitable for use as service equipment." 230.66 b b � or PVC � � The fuses in the disconnect for the"supply side"option must be rated to handle the maximum short- p � - -•-•-•-•� circuit current available at the supply terminals.110.9,110.10 Over-current protection for the supply side connected conductors shall be located within 10 feet of the connection to the service. 705.31 (4)#8 AWG THHN/THWN-2 g Grounded conductor shall be routed with ungrounded conductors to PV Service disconnecting means as 1-B,1-R,1-W,1-G per 250.24(C)if"Supply Side"option is used. 3/4"EMT,FMC,LFNC,or PV 9 For"Supply Side option" Continuous or irreversibly spliced Grounding Electrode Conductor installed per 250.24(D). Grounding Electrode Conductor shall be specified as per 250.64 and sized per 250.66 10 The following label is required on meter can and main panelboard"Services fed from dual power sources 60A 240V AC Disconnect with label: 13 Utility and Photovoltaic system" �� "PV input Do not relocate this OCPD"label required adjacent to backfed breaker. 705.12(d)(7) On-site Utility Generation DC Disconnect Label Requirements 92 Bonding of module to rail and module to module accomplished through WEEB washers or self grounding Disconnect Switch(IF REQUIRED BY UTILITY) Vmpp 384 VDC mid-clamps. , PV AC Disconnect Label Requirements VmaX 500.5 VDC 13 "Warning:DC conductors of this system are ungrounded and may be energized"required on the Operating Current:25 A Impp 18.2 A DC Disconnect 690.35F Operating Voltage:240 VAC ImaX 24.25 A 14."Warning:Photovoltaic Power Source"label required on conduit per 690.31 (E)(3)(4) 15. Total voltage drop°/a for all circuits based on listed conductors is 1.46%