Magnum Energy MicroGT 500 Owner's Manual
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Magnum Energy MicroGT 500 Owner's Manual

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MicroGT 500 Inverter
Owner's Manual
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Summary of Contents for Magnum Energy MicroGT 500

  • Page 1 MicroGT 500 Inverter Owner’s Manual DRAFT...
  • Page 2 Thank you from all of us at Sensata Technologies for purchasing this MicroGT 500 inverter. The MicroGT 500 is a product under the Magnum Energy brand from Sensata. We understand there are many purchasing options in the marketplace, and are pleased that you have decided on a Magnum product.

  • Page 3: Table Of Contents

    Required Parts and Tools ........... 3 Step 1: Installing the AC Junction Box ........ 4 Step 2: Attaching the MicroGT 500 to PV Frame/Rack ... 5 Step 3: Connecting MicroGTs to the PV Module ..... 6 Step 4: Grounding the System ........... 6 Step 5: Connecting the MicroGTs using AC Connectors ..
  • Page 4 List of Figures Figure 1, Basic PV System Installation Diagram ......1 Figure 2, MicroGT 500 Dimensions ........... 2 Figure 3, MicroGT 500s in a PV Array ........3 Figure 4, Attaching and Wiring the Junction Box ......4 Figure 5, Attaching MicroGTs to the PV Module Frame ....5 Figure 6, Connecting MicroGTs to the PV Modules .......

  • Page 5: Important Safety Instructions

    MicroGT 500 inverter system and the PV array. • Be aware that the body of the MicroGT 500 inverter is the heat sink and can reach high temperatures. To reduce risk of burns, do not touch the body of the MicroGT 500.

  • Page 6: Introduction

    Introduction Introduction Congratulations on your purchase of a MicroGT 500 inverter. This microinverter is used in utility-interactive grid-tied applications, and the microinverter system is comprised of two key elements: 1. A MicroGT 500 inverter 2. A MagWeb GT unit Refer to Figure 1 for an example of a basic system installation diagram using multiple MicroGT 500 microinverters.

  • Page 7: Installation

    6.5” (16.5 cm) Figure 2, MicroGT 500 Dimensions A PV system using MicroGT 500 inverters is simple to install (Figure 3). Each MicroGT 500 easily mounts on the PV racking, directly beneath the PV module(s). Low voltage DC wires connect from the PV module directly to the MicroGT 500, eliminating the risk of high DC voltage.

  • Page 8: Additional Installation Components To Purchase

    • Torque wrench Note: MicroGT 500 inverters are designed to only operate when they can sense power coming from the grid. Even if they are plugged into the PV array, they will not turn themselves on until they can read power from the grid.

  • Page 9: Step 1: Installing The Ac Junction Box

    Installation Step 1: Installing the AC Junction Box First, install and wire an AC branch circuit junction box (Figure 4). 1. Install an appropriate junction box at a suitable location on the PV racking system (typically at the end of a branch of modules). 2.

  • Page 10: Step 2: Attaching The Microgt 500 To Pv Frame/Rack

    Installation Step 2: Attaching the MicroGT 500 to PV Frame/Rack 1. Mark the location of each MicroGT 500 inverter on the PV rack— keep in mind the location of the AC branch circuit junction box or any other obstructions. 2. Mount and attach a MicroGT inverter at each of the identifi ed locations using hardware recommended by the PV module racking manufacturer (Figure 5).

  • Page 11: Step 3: Connecting Microgts To The Pv Module

    Figure 6, Connecting MicroGTs to the PV Modules Note: Upon connecting the DC cables, the MicroGT 500 inverter’s LED (on bottom of unit) should immediately blink red, then green three times—indicating that the MicroGT inverter is functioning correctly.

  • Page 12: Step 5: Connecting The Microgts Using Ac Connectors

    Installation Step 5: Connecting the MicroGTs using AC Connectors The MicroGT 500 inverter’s datasheet states the maximum allowable number of microinverters on one AC branch circuit is seven. WARNING: DO NOT exceed the maximum number of microinverters in an AC branch circuit — as displayed on the unit’s label.

  • Page 13: Step 6: Completing Installation Of Microgt 500S

    fi eld PV confi gurations. 1. Each MicroGT 500 inverter has a serial number label on the back side (Figure 10). Peel each label off, affi x it to the respective location on the microinverter system installation map.

  • Page 14: Operation

    Operation Operation Operating a Basic MicroGT 500 PV System To operate a batteryless MicroGT 500 inverter PV system: 1. Turn on the AC circuit breaker on each MicroGT inverter branch circuit. 2. Turn on the main utility grid AC circuit breaker. Your system will start producing power after a fi...

  • Page 15: Troubleshooting

    Flashing Red – not producing power. GFDI Error: A solid red LED indicates the MicroGT 500 has detected a DC voltage Ground Fault Detector Interrupter (GFDI) error in the PV system. Unless the GFDI error has been cleared, the LED will remain red and the MagWeb GT will keep reporting the fault.

  • Page 16: Troubleshooting A Non-Operating Microgt Inverter

    Specifi cations section of this manual. 7. If the problem persists, please call Sensata Customer Support at 425-353-8833. WARNING: Do not attempt to repair the MicroGT 500 inverter. If troubleshooting methods fail, please contact Sensata Customer Service at 425-353-8833 for a Return Merchandise Authorization (RMA).

  • Page 17: Replacing A Non-Operational Microgt 500 Inverter

    Troubleshooting Replacing a Non-operational MicroGT 500 Inverter 1. Disconnect the MicroGT inverter from the PV module, in the order below: a) Disconnect the AC by turning off the branch circuit breaker. b) Disconnect the AC connector(s) from the adjacent inverter(s) in the branch circuit.

  • Page 18: Appendix A - Specifi Cations

    Appendix A – Specifi cations Appendix A – Specifi cations MicroGT 500 Specifi cations Models MicroGT 500 Input Data (DC) Recommended PV Module Power (STC) Range 180 - 310W MPPT Voltage Range 22 - 45V Operation Voltage Range 16 - 52V...
  • Page 19 Appendix A – Specifi cations MicroGT 500 Specifi cations (Cont.) Features & Compliance Communication Power Line (PLC) Design Lifetime 25 yrs Emissions & Immunity (EMC) Compliance FCC Part15; ANSI C63.4; ICES-003 Monitoring Life monitoring via software Safety Class Compliance UL1741, CSA C22.2 No.

  • Page 20: Appendix B - Effi Ciency Curves

    Appendix B – Effi ciency Curves Appendix B – Effi ciency Curves MicroGT 500 Effi ciency-Temperature Curves MicroGT 500 Eff. With Ambient Temp. – 40°C (-40°F) + 25°C (77°F) + 65°C (149°F) 100% Pout = 500W MicroGT 500 Effi ciency Curves...

  • Page 21: Appendix C - Radio Interference Statement

    Appendix C – Radio Interference Appendix C – Radio Interference Statement FCC compliance: The equipment complies with the limits for a Class B digital device, pursuant to Part 15 of FCC rules, which are designed to protect against harmful interference in a residential installation. The equipment could radiate radio frequency energy, and this might cause harmful interference to radio communications if instructions were not followed when installing and using the equipment.

  • Page 22: Appendix D - Installing Battery-Based Inverters

    AC branch circuit junction box and the point of utility interconnection. See Table 1. 3. Mark the location of each MicroGT 500 inverter on the PV rack— keep in mind the location of the AC branch circuit junction box or any other obstructions.

  • Page 23: Figure 12, Pv System Installation Diagram (W/ Sub-Panel)

    Appendix D – Installing Battery-based Inverters O FF O FF O FF O FF O FF O FF O FF O FF O FF O FF O FF O FF O FF Figure 12, PV System Installation Diagram (w/ Sub-Panel) ©...

  • Page 24: Installing A Microgt Ac Coupled Pv System

    To install a MicroGT 500 AC Coupled PV system: 1. Mark the location of each MicroGT 500 inverter on the PV rack. 2. Mount and attach a MicroGT inverter at each of the identifi ed locations using hardware recommended by the PV module racking manufacturer (Figure 5).

  • Page 25: Figure 13, Ac Coupled Pv System Installation Diagram

    Appendix D – Installing Battery-based Inverters O FF O FF O FF O FF O FF O FF O FF O FF O FF O FF O FF O FF O FF Figure 13, AC Coupled PV System Installation Diagram ©...

  • Page 26: Appendix E - Warranty & Service Information

    Appendix E – Warranty & Service Information Limited Warranty Sensata Technologies warrants the MicroGT 500 inverter to be free from defects in material and workmanship that result in product failure during normal usage, according to the following terms and conditions: 1.

  • Page 27: How To Receive Repair Service

    Appendix E – Warranty & Service Information How to Receive Repair Service If your product requires warranty replacement, contact either: • An authorized service center, at www.SensataPower.com, or, • Sensata Technologies at: Telephone: 425-353-8833 Fax: 425-353-8390 Email: MagnumWarranty@Sensata.com If returning your product directly to Sensata for repair, you must: 1.
  • Page 28 DRAFT Magnum Energy Products Manufactured by: Sensata Technologies 2211 West Casino Rd. Everett, WA 98204 Phone: (425) 353-8833 Fax: (425) 353-8390 Web: www.SensataPower.com MicroGT 500 Owner’s Manual (PN: 64-0085 Rev A)

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