Xantrex Technology PV100S-480 PV Array Connections, 19PV Array Cable Routing and Terminations

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Wiring - Specific

PV Array Connections

To make the connections from the PV Array/combiner to DC Interface enclosure:

1.Remove the door clamps and open the door to the DC Interface Enclosure.

2.Route the PV Array cables conductors POSitive (PV+), NEGative (PV-), and PV GND through the conduit to the DC Interface Enclosure, entering on the underside.

3.The DC power conductor terminations are made at the TB3-1 (POS/DC+), and TB3-2 (NEG/DC-) and TB3-3 (PV Gnd) locations. See Figure 3-19.

4.Terminations for the POSitive, NEGative, and GND conductors within the DC Interface enclosure at the TB3 locations are made with box connector using a 7/16" Hex Allen screw. The hardware should be tightened to a torque value of 500 in-lbs. (56.5 Nm) for both the PV100S-480 and PV100S-208 systems.

5.Close the door to the DC Interface Enclosure and replace the door clamps.

GrouND (TB3-3)

PV NEGative Cable (TB3-2)

PV POSitive Cable (TB3-1)

Conduit entry from PV Array

Figure 3-19PV Array Cable Routing and Terminations

152315 Rev C

3–19

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Contents PV100S 100 kW Grid-Tied Photovoltaic Inverter Page PV100S 100 kW Grid-Tied Photovoltaic Inverter Date and Revision Organization PurposeScope AudienceFollowing conventions are used in this guide Conventions UsedRelated Information Abbreviations and AcronymsPage Important Safety Instructions Wiring Requirements General Safety PrecautionsPersonal Safety Safety EquipmentSafety Lockout and Tag Operational Safety ProceduresInterconnection Standards Compliance De-Energize/Isolation ProcedureTo isolate the PV100S Xii Contents Schematics InstallationVerification Tables Xvi Figures Figures Introduction Description of the PV100S 1Dimensions Not to scale Electrical Specifications System SpecificationsSystem Ground Requirements 3Environmental Specifications Environmental SpecificationsOperator Interface Controls Main Enclosure Door Interlock Switch3On/Off Switch On/Off SwitchAC and DC Disconnect Switches Communication FeaturesData Logging System Status and Fault ReportingUniversal Front Panel Control Unit Ufcu Communication Methods6PC Connections in the Communications Enclosure PC Connection MethodsPots Access Ethernet LAN Access Planning Overview of PV100S Installation PV Planning Ventilation and Serviceability RequirementsUtility Side Isolation Transformer Requirements Ground RequirementsSystem Neutral Requirements Communication RequirementsModel PV100S-480 Electrical Diagrams and SchematicsModel PV100S-208 1PV100S Layout Option a Layout Options2PV100S Layout Option B 3Conduit Entry Figure Reference Conduit Penetration15 cm 12 30 cm 10.5 27 cm To calculate the proper conduit size Conductor and Conduit SizingDetermine the required cable ampacity Size the conduit Size the cable29 73.7 cm 16 ¼ 40.6 cm Anchoring the PV100S10AC Interface/Transformer Anchor Bolt Pattern Not to Scale Installation Unloading Equipment RequiredUnpacking the PV100S Moving the PV100SRemoving the Pallet and Moving the PV100S To move the PV100S using a forkliftTo mount and anchor the PV100S Mounting and Anchoring the UnitsTo lock or unlock the front door on the main inverter Opening or Closing Access DoorsTo Close Access Door To Open Access Door7Transformer Access Panels To install the conduits Conduit InstallationWiring General Conductor Termination Overcurrent ProtectionGrounding Wire Gauge and Torque RequirementsUtility Side Isolation Transformer Requirements System Neutral RequirementsAC Connections Wiring Specific13Tie-wraps on the AC Sense Harness 15AC Terminal Connections in the Main Inverter Enclosure To connect the utility service to AC Interface Enclosure 17Connecting the AC Sense Harness18AC Terminal Connections from the Utility 19PV Array Cable Routing and Terminations PV Array ConnectionsPC Communications Establishing a Pots Connection To connect a personal computer using the Pots ConnectionTo connect a personal computer using the GSM Wireless modem Establishing Wireless ConnectionDirect Connection If connecting the PC directly to the inverter22Direct Connect Installation Verification Verification Procedure Summary Visual Inspection of Electrical Connections Visual Inspection of Mechanical ConnectionsCorrective Action Visual Inspection, Isolation Transformer Wye/WyePerform after initial inspection if required Schematics This page intentionally left blank Figure A-1Electrical Diagram sample Schematics Appendix a Schematics Appendix a Schematics Appendix a This page was intentionally left blank Index IX-2 Rev C Page Xantrex Technology Inc