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Owner’s Manual

MicroGT 500 Inverter

DRAFT

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Summary of Contents for MicroGT 500

Page 1: ...Owner s Manual MicroGT 500 Inverter DRAFT ...

Page 2: ...ased Restrictions on Use The MicroGT 500 inverter may only be used in life support systems with the express written approval of Sensata Technologies Failure of this inverter can reasonably be expected to cause failure of that life support system or to affect the safety or effectiveness of that system If the MicroGT 500 inverter fails it is reasonable to assume the health of the user or other perso...

Page 3: ...roGT 500s 8 3 0 Operation 9 Operating a Basic MicroGT 500 PV System 9 4 0 Troubleshooting 10 Status Indications and Error Reporting 10 A Non operating Micro GT Inverter 10 Troubleshooting a Non operating MicroGT Inverter 11 Replacing a Non operational MicroGT 500 Inverter 12 Appendix A Specifications 13 MicroGT 500 Specifications 13 Appendix B Efficiency Curves 15 Appendix C Radio Interference Sta...

Page 4: ...ox 4 Figure 5 Attaching MicroGTs to the PV Module Frame 5 Figure 6 Connecting MicroGTs to the PV Modules 6 Figure 7 Grounding the System using the Grounding Clamp 6 Figure 8 Connecting the MicroGTs via AC Connectors 7 Figure 9 AC Connector Protective End Cap 7 Figure 10 MicroGT Inverter Serial Numbers 8 Figure 11 MicroGT Inverter Efficiency Curves 15 Figure 12 PV System Installation Diagram w Sub ...

Page 5: ...ary markings in the technical documents and on the 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 Use insulated tools to reduce the chance of electrical shock or accidental short circuits Remove all jewelry such as rings watches bracelet...

Page 6: ...ny situation in which one module underperforms compared with the other units the MicroGT 500 inverter ensures top performance from the array by maximizing the performance of each module within the array More reliable than centralized or string inverters The distributed MicroGT system ensures no single point of system failure exists across the PV array MicroGT 500 microinverters are designed to ope...

Page 7: ...connect with the split phase grid and operate with most 60 and 72 cell PV modules For more information please see the Specifications section in this manual MODEL NUMBER AC GRID PV MODULE MODULE CONNECTOR MicroGT 500 60Hz 240V 60 72 Cell MC4 Type or Customize Maximum MicroGT 500 units per branch Maximum parallel combination of MicroGT 500 modules x7 branch for 20A breaker 14 PV modules 2 1 1 The Mi...

Page 8: ...nsion connector cable PN ME MGT AC EXT if required AC 25A female termination cap 32mm x1 branch Pair of MC4 caps male and female Required Parts and Tools In addition to your PV array and its associated hardware the following tools are required for assembly One AC connection junction box per branch circuit Mounting hardware suitable for module racking Sockets and wrenches for mounting hardware Cont...

Page 9: ...UTRAL White Note Be sure to size the AC wire to account for any voltage drop between the AC branch circuit junction box and the point of utility interconnection See Table 1 Figure 4 Attaching and Wiring the Junction Box MicroGTs Branch 2 3 4 5 6 7 8 9 External Wire Size Maximum External Cable Length in Feet Meters 12 AWG 3 3 mm2 370 7 113 237 1 72 167 9 51 124 3 38 93 6 28 70 2 21 51 4 16 35 7 11 ...

Page 10: ...check with an electrician place the grounding washer between the PV racking frame and the MicroGT 500 inverter WARNING Prior to installing any MicroGTs verify that the utility voltage at the point of common connection matches the voltage rating on the MicroGT inverter s label WARNING Do not mount the MicroGT inverter in a location that allows exposure to direct sunlight Allow a minimum of 3 4 1 5 ...

Page 11: ...the System Each MicroGT 500 inverter comes with a ground clamp that can accommodate a single 6 AWG 13 3 mm2 strand and 4 AWG 21 1 mm2 solid conductor Check your local electrical code for grounding conductor sizing requirements Note If you used grounding washers WEEB to ground the MicroGT 500 s chassis to the PV racking per Note in Step 2 skip this step 1 Connect the grounding electrode conductor t...

Page 12: ...cable ME MGT AC EXT if the microinverters on the same branch circuit are greater than 6 feet apart 1 Plug the female AC connector of the first MicroGT inverter into the male connector of the next microinverter Figure 8 and so on to form a continuous AC branch circuit 2 Install a protective end cap on the open AC connector of the last microinverter in the AC branch circuit Figure 9 Figure 9 AC Conn...

Page 13: ...ch label off affix it to the respective location on the microinverter system installation map 2 Fill out the warranty cards The warranty cards and installation map are needed to register the site in the EMA 3 Complete the EMA Installer Account Registration form found on our website SensataPower com Sensata will create the EMA account and email you the account information You can use the EMA websit...

Page 14: ...et connected to the MagWeb GT 3 Plug in the MagWeb GT and follow instructions per your MagWeb GT Owner s Manual Once the MagWeb GT has been plugged in and acknowledges the MicroGT inverters the microinverters will start to blink every 10 seconds Note The time required for all microinverters in the system to report to the MagWeb GT will vary with the number of microinverters in the system Once comm...

Page 15: ...ed follow the instructions in the MagWeb GT Owner s Manual to clear this GFDI error Other Faults Other faults are reported to the MagWeb GT Refer to the MagWeb GT Owner s Manual for other faults and troubleshooting procedures WARNING Only qualified personnel should directly handle the MicroGT 500 inverter WARNING Never disconnect the DC wire connectors under load Ensure that no current is flowing ...

Page 16: ...anges shown in the Specifications section of this manual 2 Check the connection to the utility grid Verify utility power is present at the inverter in question by removing AC then DC power Never disconnect the DC wires while the microinverter is producing power Re connect the DC module connectors and watch for one red followed by three short green LED flashes 3 Check the AC branch circuit intercon...

Page 17: ...rve the flashing LED light as soon as the new microinverter is connected to the DC PV module cables 3 Connect the AC cable of the replacement MicroGT inverter and the neighboring microinverter to complete the branch circuit connections 4 Close the branch circuit breaker and then verify operation of the replacement microinverter WARNING Be sure to verify that the voltage and current specifications ...

Page 18: ...utput Fault Current Duration 1 639ms Reactive Current 0 1A Extended Output Voltage Range 181 298V Nominal Output Frequency 60Hz Default Output Frequency Range 59 3 60 5Hz Extended Output Frequency Range 55 1 64 9Hz Power Factor 0 99 Total Harmonic Distortion 3 Maximum Units per Branch 7 for 20A breaker Efficiency Peak Efficiency 95 5 CEC Weighted Efficiency 95 Nominal MPPT Efficiency 99 5 Night Po...

Page 19: ...pliance FCC Part15 ANSI C63 4 ICES 003 Monitoring Life monitoring via software Safety Class Compliance UL1741 CSA C22 2 No 107 1 01 NEC2014 690 12 Grid Connection Compliance IEEE1547 Programmable through the MagWeb GT to meet customer need Dependent on local regulations Specifications 25 C Subject to change without notice MicroGT 500 Specifications Cont ...

Page 20: ...iciency Temperature Curves 96 95 94 93 92 91 90 MicroGT 500 Eff With Ambient Temp 100 Pout 500W Efficiency Efficiency 100 Pout 500W MicroGT 500 60Hz 240V 96 95 94 93 92 91 90 MicroGT 500 Efficiency Curves Figure 11 MicroGT Inverter Efficiency Curves 40 C 40 F 25 C 77 F 65 C 149 F Vin 24V Vin 40V Vin 32V ...

Page 21: ... radio communications if instructions were not followed when installing and using the equipment But there is no guarantee that interference will not occur in a particular installation If this equipment causes harmful interference to radio or television reception the following measures might resolve the issues A Relocate the receiving antenna and keep it well away from the equipment B Consult the d...

Page 22: ...le from point of utility through the sub panel per Figure 12 in to the junction box Secure both cables using an appropriate gland strain relief fitting b Connect the AC wires from both cables inside the junction box L1 RED L2 BLACK NEUTRAL White see Figure 4 Note Be sure to size the AC wire to account for any voltage drop between the AC branch circuit junction box and the point of utility intercon...

Page 23: ...ds O N O FF O N O FF ON OFF ON OFF O N O FF O N O FF ON OFF ON OFF MagWeb GT O N O FF O N O FF ON OFF ON OFF O N O FF O N O FF ON OFF ON OFF O N O FF O N O FF ON OFF ON OFF O N O FF O N O FF ON OFF ON OFF Router PV Modules Junction Box Branch Termination Cap Photovoltaic Modules with Magnum s MicroGT500 inverters Figure 12 PV System Installation Diagram w Sub Panel Appendix D Installing Battery ba...

Page 24: ... can be enabled with an optional remote control ME RTR ME ARC or ME RC this feature allows the AC output frequency to shift when excess power is generated on the AC side Note Refer also to the instructions in the Installation section for additional info and cautions during installation To install a MicroGT 500 AC Coupled PV system 1 Mark the location of each MicroGT 500 inverter on the PV rack 2 M...

Page 25: ... Directional Utility Meter Battery Bank Magnum Energy Standalone Inverter MS PAE Series MMPXXX 30D Panel 240VAC 60HZ 120 240VAC 60Hz Photovoltaic Modules with Magnum s MicroGT500 inverters ON OFF Sub Panel Essential Loads O N O FF O N O FF ON OFF ON OFF O N O FF O N O FF ON OFF ON OFF MagWeb GT Junction Box ME MGT ADAPTER R AC Termination Cap DB9 Extension Figure 13 AC Coupled PV System Installati...

Page 26: ...rns the product determined by the price paid by the original purchaser Sensata shall not be liable for any other losses or damages 4 Upon request from Sensata Technologies the original purchaser must prove the product s original date of purchase by a dated bill of sale itemized receipt 5 The original purchaser shall return the product prepaid to Sensata or to one of Sensata s Authorized Service Ce...

Page 27: ...our product directly to Sensata for repair you must 1 Return the unit in the original or equivalent shipping container 2 Receive a Return Materials Authorization RMA number from the factory prior to returning the product to Sensata for repair 3 Place the RMA numbers clearly on the shipping container or on the packing slip When sending your product for service please ensure it is properly packaged ...

Page 28: ...num 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 DRAFT ...

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