Installation and Operations Manual Micro-Inverter
Contents
1. AC interconnect cable into the junction box using an appropriate gland or strain relief fitting Route the continuous Grounding Electrode Conductor GEC through the AC branch circuit junction box Check local code requirements for the gauge of the GEC WARNING Use electrical system components approved for wet locations only NOTE Please refer to the Enphase website for a list of approved PV module racking systems p NOTE The Enphase M175 24 240 S Micro Inverter is designed to operate with most 72 cell PV module configurations sometimes p referred to as 24V modules Step 2 Attach the Enphase Micro I nverters to the Racking Mark the approximate centers of each PV module on the racking system Mount one Micro Inverter at each of these locations using hardware recommended by your PV racking vendor WARNI NG Allow a minimum of 34 spacing between the top of the roof and the bottom of the Micro Inverter Enphase also recommends 1 of spacing between the back of the PV module and the top of the inverter Step 3 Connecting the Enphase Micro I nverter Wiring Harnesses Each Micro Inverter has been provided with two 36 inch long AC wire harnesses with multi pin connectors the DC input wires are approximately 6 inches long and are terminated with single pole MC connectors The AC connectors are oppositely sexed so that multiple inverters can be connected together to form one continuous AC branch circu2. modules in the array which may be affected by shading soiling orientation module mismatch etc The result is maximum energy production from the total PV system Micro Inverter systems are inherently more reliable than centralized or string inverters The distributed nature of the Micro Inverter System insures that there is no single point of failure in the PV system Enphase Micro Inverters are designed to operate at full power at temperatures as high as 65 C 150 F The inverter housing is designed for outdoor installation and complies to the NEMA6 environmental enclosure rating standard NEMA6 rating definition Indoor or outdoor use primarily to provide a degree of protection against hose directed water and the entry of water during occasional temporary submersion at a limited depth and damage from external ice formation Solar systems using Enphase Micro Inverters are extremely simple to design and install There are no string calculations needed Individual PV modules may be installed in any combination of module quantity type age and orientation There are no cumbersome centralized or string inverters to install Each Micro Inverter quickly mounts on the PV racking directly beneath each PV module Low voltage DC wires connect from the PV module directly to the co located Micro Inverter eliminating the risk of personnel exposure to lethal 600Vdc power The Energy Management Unit Emu communications gateway is installed by simply plu
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4. NG WITHOUT LIMITATION WARRANTIES OF TITLE QUALITY MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT OR WARRANTIES AS TO THE ACCURACY SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN MANUALS OR OTHER DOCUMENTATION IN NO EVENT WILL ENPHASE BE LIABLE FOR ANY SPECIAL DIRECT INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES LOSSES COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT LIMITATION ANY ECONOMIC LOSSES OF ANY KIND ANY LOSS OR DAMAGE TO PROPERTY OR ANY PERSONAL INJURY To the extent any implied warranties are required under applicable law to apply to the Enphase Micro Inverter such implied warranties shall be limited in duration to the Warranty Period to the extent permitted by applicable law Some states and provinces do not allow limitations or exclusions on implied warranties or on the duration of an implied warranty or on the limitation or exclusion of incidental or consequential damages so the above limitation s or exclusion s may not apply This Limited Warranty gives the customer specific legal rights and the customer may have other rights that may vary from state to state or province to province Page 15 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html E RGY enphase E N e k Installation Guide 3 ej E T ee ep 3dino TIV
5. contact an Enphase technical support representative to evaluate and troubleshoot the problem while the Enphase Micro Inverter is in the field since many problems can be solved in the field If in field troubleshooting does not solve the problem Customer may request the RMA number which request must include the following information Proof of purchase of the Defective Product in the form of 1 the dated purchase receipt from the original purchase of the product at point of sale to the end user or 2 the dated dealer invoice or purchase receipt showing original equipment manufacturer OEM status or 3 the dated invoice or purchase receipt showing the product exchanged under warranty Model number of the Defective Product Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html enphase e R G Y Serial number of the Defective Product Detailed description of the defect Shipping address for return of the repaired or replacement product All Defective Product authorized for return must be returned in the original Shipping container or other packaging that is equally protective of the product The returned Defective Product must not have been disassembled or modified without the prior written authorization of Enphase The Limited Warranty does not cover normal wear and tear of Enphase Micro Inverters or costs related to the
6. d utility source Maximum time sec cycles at Condition eu hid Perre Voltage V Frequency Hz cessation of current to the simulated utility lt 0 50 V typical VT Dical V1 Dical D 1 20 Vrypicai S V E Rated f 60 5 f lt 59 8 57 0 0 16 300 f lt 57 0 Page 13 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html Page 14 http www wholesalesolar com inverters html e enpnase RG Y Appendix Limited Warranty Enphase Energy Inc Enphase has developed a highly reliable Micro Inverter that is designed to withstand normal operating conditions when used for its originally intended purpose in compliance with the Enphase User Manual supplied with the originally shipped system The Enphase limited warranty Limited Warranty covers defects in workmanship and materials of the Enphase Micro Inverter Defective Product for a period of ten 10 years from the date of original purchase of such Micro Inverter at point of sale to the original end user customer the Warranty Period During the Warranty Period Enphase will at its option repair or replace the Defective Product free of charge provided that Enphase through inspection establishes the existence of a defect that is covered by the Limited Warranty Enphase will at its option use new and or reconditioned parts in repairing or replacing the Defective Product Enphase reserves the rig
7. e the safe installation and operation of the Enphase Micro I nverter the following safety symbols have been placed throughout this document to indicate dangerous conditions and important safety instruction WARNING This indicates a fact or feature very important for the Safety of the user and or which can cause a serious hardware failure if not applied appropriately Use extreme caution when performing this task NOTE This indicates a feature that is important for optimal system operation Follow these instructions closely o SAVE THESE INSTRUCTIONS All electrical installations shall be done in accordance with all local electrical codes and the National Electrical Code NEC ANSI NFPA 70 Installations and replacement of Micro Inverters shall only be performed by qualified personnel The Enphase Micro Inverter contains no user serviceable parts Please return the unit to Enphase for maintenance Tampering with or opening the Enphase Micro Inverter will void the warranty Before installing or using the Enphase Micro Inverter please read all instructions and cautionary markings in the technical description and on the Enphase Micro Inverter system and the PV array Connecting the Enphase Micro Inverter to the electrical utility grid must only be done after receiving prior approval from the utility company The body of the Enphase Micro Inverter is the heat sink and can reach a temperature of 80 C To reduce risk
8. ecting the Enphase Micro Inverter Wiring Harnesses 7 Step 4 System GroulnGING sasaasiicatnis x dona ie PN E auia eA ad abide dc oder dur valla 8 Step 5 Enphase Installation Map and Connecting the PV Modules 8 3 COMMS SONING eeren REESE REEFLK E RR FUR DEUM EET am MI INR EE 9 4 Operating JIHSH HCEODISasarasrzdmd bias vR dU d E RM pM US Rd ids dap nad iden viridi RUE 10 5 WrOUDICSNOOUNG UTEM 10 General Micro Inverter Error Reporting ccccceceeeeee eee eeeeeeeeeeaneeneeas 10 Troubleshooting Suggestions for inoperable Micro Inverters 11 Disconnecting the Enphase Micro Inverter from the PV Module 11 6 TEC CANC DGGE araa E EE E 12 M175 24 240 S Micro Inverter Operating Parameters 12 Voltage and Frequency Limits for Utility Interaction eese 13 7 APPONI TRMTTETITIT E 14 Lead i us T TTE 14 Quick Installation Guide s essem nnns 16 Enphase Installation MAD scxncaniuwazaubsd utiwaa Ex dwede as na dera vera ix Fabas dad rd va 17 Page 3 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html e enphase RG Y IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that shall be followed during installation and maintenance of the Enphase Micro l nverter To reduce the risk of electrical shock and to ensur
9. er load adhere to the following procedure in the order shown 1 Turn off the AC disconnect on the AC branch circuit junction box 2 Turn off the utility grid AC circuit breaker 3 Disconnect the AC branch circuit wire harness connector s 4 Using a DC current probe verify there is no current flowing in the DC wires between the PV module and the Micro Inverter 5 If there is measurable DC current cover the PV module connected to the Micro Inverter with an opaque material Disconnect the PV module DC wire connectors from the Micro Inverter Remove the Micro Inverter from the PV array racking Page 11 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html e enpnase R G T d 6 Technical Data WARNI NG It is required to match the DC operating voltage range of the PV module with the allowable input voltage range of the Enphase Micro Inverter WARNI NG The maximum open circuit voltage of the PV module may not exceed the specified maximum input voltage of the Enphase Micro Inverter The Enphase M175 24 240 S Micro Inverter has been specifically optimized for operation with most 72 cell 24V nominal PV module configurations Be sure to verify the voltage and current specifications of your PV module match with those of the Micro Inverter The output voltage and current of the PV module depends on the quantity size and temperatu
10. g of this manual for a fax number email address and mailing address It is recommended that you make a copy of the installation map if you will be sending in the original Enphase will create a graphical representation of your PV system on the Enlighten website The Enlighten web server will provide you with detailed information regarding the performance of your PV system please go to www enphaseenergy com for more information on the Enphase Enlighten communication visualization and analytics system Installation maps and examples can be downloaded from www enphaseenergy com An example may also be found in the Appendix section of this manual Finally mount the PV modules above their corresponding Micro Inverters Each Micro Inverter has been provided with two oppositely sexed Multi Contact DC plus and minus connectors First connect the positive DC wire from the PV module to the positive DC connector female socket of the Micro Inverter Then connect the negative DC wire from the PV module to the negative DC connector male socket of the Micro Inverter Repeat for all modules Micro Inverters 3 Commissioning WARNI NG Connecting the Enphase Micro Inverter to the electrical utility grid must only be done after receiving prior approval from the utility company WARNI NG Only qualified personnel must connect the Enphase Micro Inverter to the electrical utility grid WARNI NG Ensure that all AC and DC wiri
11. gging it into any convenient 120Vac wall socket The full network of Enphase Micro Inverters will automatically begin reporting to the Enphase Enlighten web server The Enlighten analytics software lets you know not only the immediate and historical system performance trends but also informs you when the PV system is not performing as expected These are just a few of the advantages of the Enphase Micro Inverter System that will provide tremendous time material and cost savings while maximizing energy production from your PV system and providing better ROI on your solar investment Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html e enphase RG Y T d 2 Installation Instructions WARNING Before installing the Enphase Micro Inverter read all instructions and cautionary markings in the user manual and on the Enphase Micro Inverter and the photovoltaic array WARNING All electrical installations shall be done in accordance with all local electrical codes and the National Electrical Code NEC ANSI NFPA 70 WARNI NG Connecting the Enphase Micro Inverter to the electrical utility grid must be done only after receiving prior approval from the utility company WARNI NG Only qualified personnel must connect the Enphase Micro Inverter to the electrical utility grid WARNI NG Risk of electric shock Normally grounded conductors may be ung
12. ht to use parts or products of original or improved design in the repair or replacement of Defective Product If Enphase repairs or replaces a Defective Product the Limited Warranty continues on the repaired or replacement product for the remainder of the original Warranty Period or ninety 90 days from the date of Enphase s return shipment of the repaired or replacement product whichever is later The Limited Warranty covers both parts and labor necessary to repair the Defective Product but does not include labor costs related to un installing the Defective Product or re installing the repaired or replacement product The Limited Warranty also covers the costs of shipping repaired or replacement product from Enphase via a non expedited freight carrier selected by Enphase to locations within the United States including Alaska and Hawaii and Canada but not to other locations outside the United States or Canada The Limited Warranty does not cover and Enphase will not be responsible for shipping damage or damage caused by mishandling by the freight carrier and any such damage is the responsibility of the freight carrier To obtain repair or replacement service under this Limited Warranty the customer must comply with the following policy and procedure All Defective Product must be returned with a Return Merchandise Authorization Number RMA which customer must request from Enphase Before requesting the RMA however the customer should
13. http www wholesalesolar com inverters html e enphase RG Y 1 Installation and Operations Manual Micro Inverter M17 5 24 240 S Release 1 4 Page 1 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html gf Contact I nformation Enphase Energy Inc 201 1 Street Suite 111 Petaluma CA 94952 Phone 707 763 4784 Toll Free 877 797 4743 Fax 707 763 0784 www enphaseenergy com info enphaseenergy com Document Revision History Page 2 Version Date Comments 01 16 08 01 30 08 General edits 02 25 08 Final release edits 04 15 08 Updated Technical Data tables 14 06 16 08 Updated quick install guide Copyright Enphase Energy Inc 2008 http www wholesalesolar com inverters html Release 1 4 http www wholesalesolar com inverters html Table of Contents DOCUIMENE REVISION MISCO Y saustustiaetos adparet pul sstx A 2 Valle OF CONCE oriras ne ITUUMTMTTMTSP 3 IMPORTANT SAFETY INSTRUCTIONS ssaassudeun soia REMO VIE X PR ER PR bS Peixtraru 4 1 Introduction The Enphase Micro Inverter System enne 5 2 Installation InstructionS sancccostcctcnsnsecasaaonnesscahasnsesparanscarcnciesunanaesnaaasees 6 Step 1 Install the AC Branch Circuit Junction BOX een nnn 7 Step 2 Attach the Enphase Micro Inverters to the Racking 7 Step 3 Conn
14. it Plug the AC connector of one Micro Inverter into the connector of the next Micro Inverter to form a continuous AC branch circuit Please Page 7 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html lel enphase E N RG Y check the Micro Inverter rating label for the maximum allowable number of Micro Inverters on one AC branch circuit Install a protective end cap included in the Enphase Installation Kit on the open AC connector of the last Micro Inverter in the AC branch circuit WARNI NG Do NOT exceed the maximum number of Micro Inverters in an AC branch circuit as displayed on the unit rating label Each Micro Inverter AC branch circuit must be sourced from a dedicated branch circuit protected by a 15A maximum breaker WARNI NG Unused AC Micro Inverter wire harness connectors may be live when the system is energized by the utility system Make sure protective end caps have been installed on all unused AC connectors NOTE Be sure to size the AC wire gauge to account for voltage drop between the AC branch circuit junction box and the point of utility inter connection Step 4 System Grounding Each Enphase Micro Inverter has been provided with a ground clip that can accommodate a 6 10 AWG conductor Route a continuous Grounding Electrode Conductor through each of the Micro Inverters and AC branch circuit junction bo
15. ng is correct Ensure that none of the AC and DC wires are pinched or damaged Ensure that all junction boxes are properly closed Note Each Micro Inverter will beep six times to indicate normal start up operation once AC or DC power is applied A A A Follow these procedures to commission the Enphase Micro Inverter PV system 1 Turn ON the AC disconnect on each Micro Inverter AC branch circuit junction box Page 9 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html e enphase RG Y 2 Turn ON the main utility grid AC circuit breaker Your system will start producing power after a five minute wait time 4 Operation and production can be verified by reading the display on the LCD panel of the Energy management unit Emu communications gateway 5 Please refer to the Emu User Manual for information on installation and operation of the Emu 4 Operating Instructions When the Enphase Micro Inverter is powered on you will hear six beeps indicating proper start up Inthe event of a GFDI failure you will hear a 5 minute long continuous tone when the fault occurs This will repeat when AC and DC power are cycled to the Micro Inverter Proper operation of the Enphase Micro Inverters can be verified via the Emu 5 Troubleshooting Adhere to all the safety measures described throughout this manual Enphase recommends the f
16. o q2uaJM Jussa siedduis eA SIBIIND Gul YOUBIM 164905 91 6 DUE 7 1 JOAUP MBS Sciipyd zy aN SIOOL SLONIUISU uogejreisui pajieap 204 jenueui jonposd BAS Q Vd3N ISNY O3N 9po eana jeuonew aui pue S8poo POLGA PIO uri aouepioase ui PLOP ed ISN suorneersur 231130 v NINA m F ts ZA Ww zu i FN P S v Z E ues uo SE LL n E P g e iili oO in m Zu E D LDII IN a SF aseydua 2 Release 1 4 Copyright Enphase Energy Inc 2008 Page 16 http www wholesalesolar com inverters html gi http www wholesalesolar com inverters html Enphase I nstallation Map Installer information To Sheet T 9 p o de eo T E o 4 u O Panel Group Page 17 ZEE 8eus oj jdsi ejvejoj w e jortzj j vj o s 388ug OL Copyright Enphase Energy Inc 2008 http www wholesalesolar com inverters html INSTALLATION MAP ENPHASEENERGY COM EMU Serial Label To Sheet lt OO mN T CY O in A O mN Fax to Release 1 4
17. of burns do not touch Do NOT disconnect the PV module from the Enphase Micro Inverter without first removing AC power NOTE The Enphase Micro Inverter Warranty Terms and Conditions may be found in the Appendix section of this manual p Page 4 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html ail 1 Page 5 http www wholesalesolar com inverters html e enpnase RG Y Introduction The Enphase Micro l nverter System The Enphase Micro Inverter system is the world s most technologically advanced inverter system for use in utility interactive applications This manual details the safe installation and operation of the Enphase Micro Inverter The three key elements of an Enphase Micro Inverter System are 1 the Enphase Micro Inverter 2 the Energy Management Unit Emu and 3 the Enlighten web based analytics and visualization All three elements are highly integrated to provide a comprehensive energy production and management system The Enphase Micro Inverter System maximizes energy production from your photovoltaic array Each Enphase Micro Inverter is individually connected to each PV module in your array This unique configuration means that an individual Maximum Peak Power Point Tracker MPPT controls each PV module This insures that the maximum power available from each PV module is exported to the utility grid regardless of the performance of the rest of the PV
18. ollowing troubleshooting steps in the event your PV system does not operate correctly WARNI NG The Enphase Micro Inverter contains no user serviceable parts Please return the unit to Enphase for maintenance General Micro l nverter Error Reporting Normal Operation Listen for six short beeps when AC or DC power is first applied to the Micro Inverter This indicates normal Micro Inverter operation GFDI Fault A long constant tone after AC and DC power has been cycled indicates the Micro Inverter has detected a ground fault GFDI error This tone will sound for 5 minutes after which the Micro Inverter will remain silent The fault will continue to be reported by the EMU The error can only be cleared via the Emu after the ground fault condition has been remedied Contact Enphase customer support at 877 797 4743 for assistance Other Faults All other faults are reported to the Emu Please refer to this manual for a list of additional faults and troubleshooting procedures WARNI NG Troubleshooting of the PV array or Micro Inverter system should be done by qualified personnel only Page 10 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html lel enphase E N RG Y WARNI NG Never disconnect the DC wire connectors under load Ensure that no current is flowing in the DC wires prior to disconnecting WARNI NG Always disconnect AC p
19. ower before disconnecting the PV module wires from the Enphase Micro Inverter WARNI NG The Enphase Micro Inverters are powered both by AC power from the utility grid and DC power from the PV modules Make sure you disconnect both the AC and the DC connections and reconnect either AC or DC power to hear the six start up beeps Troubleshooting Suggestions for inoperable Micro l nverters Check the connection to the utility grid Verify the utility voltage and frequency are within allowable ranges shown in the Technical Data section of this manual Verify utility power is present at the inverter in question by removing AC then DC power Never disconnect the DC wires while the Micro Inverter is producing power Re connect the AC power conductor and listen for 6 short beeps Check the AC branch circuit interconnection harness between all the Micro Inverters Verify each inverter is energized by the utility grid with the previous procedure Check the DC connections between the Micro Inverter and the PV module Verify the PV module DC voltage is within the allowable range shown in the Technical Data section of this manual Make sure that all the AC switches in the junction boxes are functioning properly and are closed If the problem persists please call customer support at Enphase Energy Disconnecting the Enphase Micro I nverter from the PV Module To insure the Micro Inverter is not disconnected from the PV modules und
20. re of the PV cells as well as the solar insolation on each cell The highest PV module output voltage occurs when the temperature of the cells is the lowest and the module is at open circuit not operating The maximum short circuit current rating of the module must be equal to or less than the maximum input DC short circuit current rating of the Micro Inverter A list of compatible PV modules is maintained on the Enphase website www enphaseenergy com MPPT voltage range Maximum DC input voltage Maximum DC input short circuit current V V o A Maximum DC input current A Ground fault protection mA i W Maximum AC output Power at 65 deg C 1 Maximum AC output current mA 750 830 Nominal AC output frequency range Hz 59 3 60 605 Extended AC output frequency range Hz 59 2 60 protection Maximum AC output fault current A ms 20 0 1 Page 12 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html and duration S o AC Voltage trip limit accuracy Frequency trip limit accuracy Trip time accuracy Maximum inverters per AC branch circuit Total Harmonic Distortion 2 5 C 2s Night Tare Loss mw 580 Storage temperature range 1 C 25 65 Weight ts 40 Dimensions approximate 11 x534 x1 2 NEMA6 Powerline Simulate
21. removal installation or troubleshooting of the customer s electrical systems The Limited Warranty does not apply to and Enphase will not be responsible for any defect in or damage to any Enphase Micro Inverter 1 that has been misused neglected tampered with altered or otherwise damaged either internally or externally 2 that has been improperly installed operated handled or used including use under conditions for which the product was not designed use in an unsuitable environment or use in a manner contrary to the Enphase User Manual or applicable laws or regulations 3 that has been subjected to fire water generalized corrosion biological infestations acts of God or input voltage that creates operating conditions beyond the maximum or minimum limits listed in the Enphase Micro Inverter specifications including high input voltage from generators or lightning strikes 4 that has been subjected to incidental or consequential damage caused by defects of other components of the solar system or 5 if the original identification markings including trademark or serial number of such Micro Inverter have been defaced altered or removed The Limited Warranty does not extend beyond the original cost of the Enphase Micro Inverter THE LIMITED WARRANTY IS THE SOLE AND EXCLUSIVE WARRANTY GIVEN BY ENPHASE AND WHERE PERMITTED BY LAW IS MADE EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED STATUTORY OR OTHERWISE INCLUDI
22. rounded and energized when a ground fault is indicated Installation of the Enphase Micro Inverter System involves the following key steps 1 Installing the AC branch circuit junction box 2 Attaching the Enphase Micro Inverters to the racking 3 Connecting the Enphase Micro Inverter wiring harnesses 4 System Grounding 5 Enphase Installation map and Connecting the PV modules NOTE It is recommended that all Micro Inverters be installed and all system inter wiring connections completed prior to installing the PV modules Please refer to the Quick Install Guide at the end of this document for a diagram of the Enphase Micro Inverter System Each step of these installation instructions is numerically referenced in the Quick Install Guide drawing WARNING DO NOT connect Enphase Micro Inverters to the utility grid or energize the AC circuit s until after completing Step 5 of these installation instructions Page 6 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html e enphase RG Y Step 1 Install the AC Branch Circuit Junction Box Mount the Enphase Adaptor Plate at a suitable location on the PV racking system typically at the end of a row of modules Install an appropriate junction box with a 15A AC disconnect switch optional as required by local code requirements to the adaptor plate Connect the open wire end of the Enphase
23. x to the NEC approved AC grounding electrode Note The AC output neutral is not bonded to ground inside the Micro Inverter Step 5 Enphase Installation Map and Connecting the PV Modules The Enphase Installation Map is designed to be a diagrammatic representation of the physical location of each Enphase Micro Inverter in your PV installation This information will be used by Enphase to provide you with detailed information about the performance of your PV system and graphically visualize your PV system on the Enphase Enlighten website A simple rectangular matrix has been included in the Appendix of this manual for your use Feel free to provide your own matrix layout if a larger or more intricate installation map is required Each Enphase Micro Inverter has two removable labels located on the top cover Peel one of the labels from each Enphase Micro inverter and affix it to the respective location on the Enphase installation map Send the installation map to Enphase after completion Enphase prefers to receive a digital copy of the installation map via an upload Page 8 Copyright Enphase Energy Inc 2008 Release 1 4 http www wholesalesolar com inverters html http www wholesalesolar com inverters html lel enphase E N RG Y to the Enlighten web site during installation set up or via email If digital scanning of the map is not possible please provide the map via fax or mail See the contact information at the beginnin
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