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Plug-In Solar Ltd 
289 London Road | Burgess Hill | West Sussex | RH15 9QU  
www.pluginsolar.co.uk | info@pluginsolar.co.uk | 01444 672005                                                                                                                 Page 31 
 

APPENDIX 4. TROUBLESHOOTING MICRO-INVERTERS 
 

Status Indications and Error Reporting 

 
Startup LED 
When DC power is first applied to the Micro-Inverter: Five short green blinks indicate a successful 
Micro-Inverter startup.  
 
Operation LED  
Flashing Slow Green (4s gap) - Producing power and communicating with DTU  
Flashing Fast Green (2s gap) – Producing power and not communicating with ECU  
Flashing Red – Not producing power (AC Grid Invalid – Voltage or Frequency out of range). 
 
GFDI Error  
A  solid  red  LED  indicates  the  Micro-Inverter  has  detected  a  ground  fault  (GFDI)  error  in  the  PV 
system. Unless the GFDI error has been cleared, the LED will remain red and the ECU will keep 
reporting the fault.  
 
After  the  ground  fault  error  is  fixed,  follow  the  instructions  in  the 

ECU Installation and Operation 

Manual 

to clear this GFDI error reporting.  

 

Non-Operating Micro-Inverters 

 

1.

 

To troubleshoot a non-operating Micro-Inverter, follow the steps below in order:  

 

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 Micro-
Inverter is producing power. Re-connect the DC module connectors and watch for three 
short green LED flashes. 

!

 

 

3.

 

Check the AC branch circuit interconnection between all the Micro-Inverters. Verify each micro-
inverter is energised by the utility grid as described in the previous step. 

!

 

 

4.

 

Make sure that any AC breakers are functioning properly and are closed. 
 

5.

 

Check the DC connections between the Micro-Inverter and the PV module. 

!

 

 

6.

 

If the problem persists, please contact Hoymiles customer support on (+44) 028 2076 9210 or 
email support_ie@hoymiles.com. DO NOT attempt to repair the Micro-Inverter. If 
troubleshooting methods fail, please return the Micro-Inverter to your distributor for 
replacement. 

!

 

 
 
 
 

Summary of Contents for Adjustable Ground Mount Kit

Page 1: ...ead this guide carefully to ensure safe installation and operation Installations are undertaken at the customer s own risk This Installation manual is to be used as a guide only and your discretion must be used when installing the Plug In Solar kit You MUST follow ALL local regulations and consult a professional in the appropriate field if you are in any doubt with any aspect of the installation P...

Page 2: ... and Commissioning Inspecting and Testing your Plug In Solar Installation 23 Commissioning your Plug In Solar Installation 24 Completing your Warranty Card Completing your Solar Installation 26 27 Appendix Appendix 1 Plug In Solar Connection Unit Wiring Diagram Appendix 2 Example G83 2 SSEG Installation Commissioning Confirmation Form Appendix 3 Example Electrical Schematic Diagram Appendix 4 Trou...

Page 3: ...info pluginsolar co uk 01444 672005 Page 3 TOOL REQUIREMENTS Please note this is just a guide and you may require additional tools than listed here 8mm Socket Tool 6mm Hex Allen Key 13mm Spanner Drill with S8 Masonry Bit Voltage Tester Wire Strippers Flathead Screwdriver Phillips Screwdriver ...

Page 4: ...u receive will depend on the type of kit you have purchased Please unpack all your items and check you have all the correct components based on your Delivery Note Solar Panel Adjustable Metal Frames two per panel Including all fixings see page 12 for more information Micro Inverter with 2M Cable Micro Inverter End Cap MC4 Sealing Caps If required Plug In Solar Connection Unit ...

Page 5: ...and required safety precautions taken Be aware that installation of this equipment includes the risk of electric shock Be aware that the body of the Micro Inverter is the heat sink and can reach a temperature of 80 C To reduce risk of burns do not touch the body of the Micro Inverter DO NOT disconnect the PV module from the Micro Inverter without first disconnecting the AC power In no circumstance...

Page 6: ...rs verify that the utility voltage at the point of common connection matches the voltage rating on Micro Inverter label Do not mount the Micro Inverter in a location that allows exposure to direct sunlight Allow a minimum of 3 4 1 5cm between the roof and the bottom of the Micro Inverter to allow proper airflow Always disconnect AC power before disconnecting the PV module wires from the Micro Inve...

Page 7: ...ome into contact with any part of the solar panels The solar panel operating temperature must be between 40 C to 85 C 40 F to 185 F Prevent solar panel shadowing Optimal solar irradiation leads to maximum energy output Install the solar panels so that they face the sun Avoid shadowing due to objects such as buildings chimneys or trees Avoid partial shading for example through overhead lines dirt s...

Page 8: ...Plug In Solar Ltd 289 London Road Burgess Hill West Sussex RH15 9QU www pluginsolar co uk info pluginsolar co uk 01444 672005 Page 8 ...

Page 9: ...Plug In Solar Ltd 289 London Road Burgess Hill West Sussex RH15 9QU www pluginsolar co uk info pluginsolar co uk 01444 672005 Page 9 ...

Page 10: ...Plug In Solar Ltd 289 London Road Burgess Hill West Sussex RH15 9QU www pluginsolar co uk info pluginsolar co uk 01444 672005 Page 10 ...

Page 11: ...Plug In Solar Ltd 289 London Road Burgess Hill West Sussex RH15 9QU www pluginsolar co uk info pluginsolar co uk 01444 672005 Page 11 ...

Page 12: ...ing system especially in high wind areas This can be done with sandbags or similar not supplied For additional fixings to secure your grounds mounts to concrete metal or other material please contact us 4 The installation instructions of the solar panel manufacturers must be adhered to 5 When installing this product please observe the appropriate health and safety regulations and take required saf...

Page 13: ...luginsolar co uk 01444 672005 Page 13 Adjustable Ground Mount Installation 1 Open a mounting triangle and pull adjustable arm upwards You can choose the angle at which you install the panels for the best possible efficiency by adjusting the support arm You will need your 13mm Spanner at this stage ...

Page 14: ...need your Hex key Spanner and a drill with a masonry bit at this stage 3 Continue this process until you have installed all the solar panels Ensure all screws and clamps are sufficiently tightened 4 Remember to ballast your ground mount system accordingly or use the mounting clips available on request shown below to secure the frames to a concrete base Please contact us if you need any further inf...

Page 15: ...e Metal Mount system use the SFS self drilling screws provided to affix the Micro Inverter to the upper arm of the Metal Mounts See image below for guidance Each Micro Inverter has serial number labels affixed Once the micro inverters are installed please peel one label off each micro inverter and stick them to the warranty card please refer to the Completing Your Warranty Card section of this ins...

Page 16: ... forth to form a continuous AC branch circuit Do this for each Micro Inverter in your system Ensure a click is heard as connectors engage Ensure that all connections are properly closed WARNIING Do NOT exceed a maximum of 5 five Micro Inverters in an AC branch circuit when using the Plug In Solar System Install the End Cap on the open AC connector of the last Micro Inverter in the AC branch circui...

Page 17: ... immediately blink green three times This will happen as soon as the cables are plugged in and will show that the Micro Inverter is functioning correctly This entire check function will start and end within 5 seconds of plugging in the unit so pay careful attention to these lights when connecting the DC cables WARNING Ensure that all AC and DC wiring is correct Ensure that none of the AC and DC wi...

Page 18: ...e your own cable please be sure to use the correct cable wire size AWG depending on distance of the last Micro Inverter to the connection point and the number of Micro Inverters in the branch as shown in the table below Please be aware the longer the cable run the greater the power loss Follow the instructions outlined below to connect the APS AC Bus Trunk Cable to your extension cable using a con...

Page 19: ...a within a room containing a bath or shower the space surrounding a bath tap or shower head where the space extends i vertically from the finished floor level to aa a height of 2 25 metres or bb the position of the shower head where it is attached to a wall or ceiling at a point higher than 2 25 metres from that level and ii horizontally aa where there is a bath tub or shower tray from the edge of...

Page 20: ...range the wiring to lie along the edges of the product or box keeping the central area clear e Wire the Plug In Solar Connection Unit using the following diagram a larger version can be found in Appendix 1 f When connecting the Plug In Solar Connection Unit ensure that only the bare end of the wire enters the terminal and no bare wires are visible Always tighten the terminal screws but don t over ...

Page 21: ... function of the Plug In Solar Connection Unit The Plug In Solar Connection Unit is a double pole Switched Fused Connection Unit that adheres to British Standard BS1363 4 and offers on load isolation from the grid G83 2 regulations also state that the Plug In Solar Connection Unit is lockable in the OFF position only This ensures isolation under maintenance The Fuse carrier of the Plug In Solar Co...

Page 22: ...he presence of on site generation and indicating the position of the main A C switch disconnector An APS Inverter should be labelled stating Inverter isolate A C and D C before carrying out work The Micro Inverters also have this warning label as standard An AC isolator Label should be placed next to the Plug In Solar Connection Unit and all other AC switches disconnects if applicable ON and OFF p...

Page 23: ... a Plug In Solar Kit is considered non notifiable electrical work under Part P of the Building Regulations 2013 as it is an alteration to an existing installation the mains grid Regulation 12 6A sets out electrical installation work that is notifiable All other electrical installation work is not notifiable namely additions and alterations to existing installations outside special locations and re...

Page 24: ...G83 2 SSEG Installation Commissioning Confirmation Form An example G83 2 Commissioning Confirmation Form can be found in Appendix 2 of this Installation Manual Please note G83 2 forms differ between DNO s this is an example only The G83 2 SSEG Installation Commissioning Confirmation Form is relatively self explanatory however there are a number of sections that you must complete correctly SSEG Ins...

Page 25: ... not send it to Plug In Solar we cannot apply to the DNO on your behalf When the DNO has received your form and it has been processed you will get a confirmation email letter to say it has been accepted Notifying the DNO of changes to a Plug In Solar kit If during the lifetime of the Plug In Solar kit it is necessary to replace a major component of the Plug In Solar kit it is only necessary to not...

Page 26: ...ndix 6 Each Micro Inverter has serial number labels affixed Once the inverters are installed please peel one of the labels off each Micro Inverter and affix them to the warranty card Fill in the warranty card with each of the labels according to the layout on the roof ground The DC inputs are identified by A and B The left input is A and the right one is B as shown below If you have a purchased an...

Page 27: ...Plug In Solar Ltd 289 London Road Burgess Hill West Sussex RH15 9QU www pluginsolar co uk info pluginsolar co uk 01444 672005 Page 27 COMPLETING YOUR SOLAR INSTALLTION ...

Page 28: ...5 9QU www pluginsolar co uk info pluginsolar co uk 01444 672005 Page 28 APPENDIX 1 PLUG IN SOLAR CONNECTION UNIT WIRING DIAGRAM ALWAYS FOLLOW THE IET WIRING REGULATIONS IF YOU ARE NOT ABSOLUTELY CERTAIN ABOUT ANY ASPECT OF ELECTRICAL WORK SEEK PROFESSIONAL ADVICE ...

Page 29: ...pluginsolar co uk 01444 672005 Page 29 APPENDIX 2 EXAMPLE G83 2 COMMISSIONING CONFIRMATION FORM Please note G83 2 SSEG Installation Commissioning Confirmation Forms differ between DNO s and this may not look like the form you receive This is non prescriptive and is for illustrative purposes only ...

Page 30: ... London Road Burgess Hill West Sussex RH15 9QU www pluginsolar co uk info pluginsolar co uk 01444 672005 Page 30 APPENDIX 3 EXAMPLE ELECTRICAL SCHEMATIC DIAGRAM This is non prescriptive and is for illustrative purposes only ...

Page 31: ...ctions in the ECU Installation and Operation Manual to clear this GFDI error reporting Non Operating Micro Inverters 1 To troubleshoot a non operating Micro Inverter follow the steps below in order 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 Micro Inverter is producing po...

Page 32: ...nal fee based on FOB price for extended warranty period 20 for 8 years or if Hoymiles establishes through inspection the existence of a defect that Hoymiles will at its option either epair or replace the Defective Product free of charge or ssue a credit or refund for the Defective Product to the Warranty Holder in an amount up to its actual value at the time the Warranty Holder notifies Hoymiles o...

Page 33: ...ility of the freight carrier does not apply to and Hoymiles will not be responsible for any defect in or misused neglected tampered with altered or otherwise damaged either internally ormal appearance wear out including discolor and scratch he defective has no impact on the power generation including LED indicator improperly installed operated handled or used including use under conditions for the...

Page 34: ...m of 1 the dated 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 or 3 the dated invoice or purchase receipt showing the product exchanged under warranty Model number of the Defective Product Serial number of the Defective Product Detailed description of the defect Shipping address f...

Page 35: ...OR OTHER DOCUMENTATION IN NO EVENT WILL BELIABLE FOR ANY SPECIAL DIRECT INDIRECT INCIDENTAL OR CONSEQUENTIALDAMAGES LOSSES COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACTOR TORT INCLUDING WITHOUT LIMITATION ANY ECONOMIC LOSSES OF ANY KIND ANYLOSS OR DAMAGE TO PROPERTY To the extent any implied warranties are required under applicable law to apply to the such implied warranties shall be limit...

Page 36: ...22 ...

Page 37: ...certify on behalf of the company named above as a manufacturer supplier of Small Scale Embedded Generators that all products manufactured supplied by the company with the above SSEG Type reference number will be manufactured and tested to ensure that they perform as stated in this Type Verification Test Report prior to shipment to site and that no site modifications are required to ensure that the...

Page 38: ...1 080 3 0 022 0 137 0 054 0 222 2 300 4 0 012 0 072 0 029 0 070 0 430 5 0 008 0 049 0 021 0 039 1 140 6 0 007 0 045 0 017 0 039 0 300 7 0 007 0 040 0 014 0 026 0 770 8 0 006 0 034 0 012 0 021 0 230 9 0 004 0 026 0 011 0 013 0 400 10 0 004 0 023 0 009 0 021 0 184 11 0 004 0 022 0 009 0 018 0 450 12 0 004 0 021 0 008 0 015 0 153 13 0 004 0 023 0 007 0 018 0 210 14 0 003 0 016 0 008 0 013 0 131 15 0 ...

Page 39: ... 0 109 32 0 001 0 006 0 004 0 001 0 058 33 0 001 0 009 0 003 0 021 0 068 0 102 34 0 001 0 004 0 003 0 007 0 054 35 0 003 0 016 0 003 0 014 0 064 0 096 36 0 003 0 019 0 000 0 015 0 051 37 0 002 0 011 0 003 0 005 0 061 0 091 38 0 000 0 002 0 003 0 010 0 048 39 0 001 0 006 0 003 0 005 0 058 0 087 40 0 001 0 006 0 001 0 018 0 046 Note the higher limits for odd harmonics 21 and above are only allowable...

Page 40: ... date 2017 06 14 Test end date 2017 06 14 Test location No 8 Chunxin East Road Wuxi Jiangsu Power quality DC injection The requirement is specified in section 5 5 test procedure in Annex A or B 1 4 4 Test power level 10 55 100 Recorded value mA 1 1404 3 6546 3 1117 as of rated AC current 0 05 0 16 0 14 Limit 0 25 0 25 0 25 Power Quality Power factor The requirement is specified in section 5 6 test...

Page 41: ...5 3 1 test procedure in Annex A or B 1 3 2 Function Setting Trip test No trip tests Voltage Time delay Voltage Time delay Voltage time Confirm no trip U V stage 1 200 1V 2 5s 198 1V 2 54 204 1V 3 5s No trip U V stage 2 184V 0 5s 182V 0 526 188V 2 48s No trip 180V 0 48s No trip O V stage 1 262 2V 1 0s 264 2V 1 027 258 2V 2 0s No trip O V stage 2 273 7V 0 5s 275 7V 0 528 269 7V 0 98s No trip 277 7V ...

Page 42: ...9 degrees No trip Negative Vector Shift 50 5Hz 9 degrees No trip Positive Frequency drift 49 5Hz 0 19Hz sec 51 5Hz No trip Negative Frequency drift 50 5Hz 0 19Hz sec 47 5Hz No trip Protection Re connection timer The requirement is specified in section 5 3 4 test procedure in Annex A or B 1 3 5 Test should prove that the reconnection sequence starts after a minimum delay of 20 seconds for restorati...

Page 43: ...current Ik N A 250ms 8 56V 0 130A Decaying aperiodic component of short circuit current iDC N A 500ms 6 92V 0 108A Reactance Re sistance Ratio of source X R N A Time to trip 0 0024 in seconds Self Monitoring solid state switching The requirement is specified in section 5 3 1 No specified test requirements Yes or NA It has been verified that in the event of the solid state switching device failing ...

Page 44: ...constitute a defect under this Limited Warranty unless it materially impairs the Product s power output as warranted pursuant to Sec 2 b A claim in the event of glass breakage arises only to the extent that there was no external cause of the breakage b 30 Year Limited Power Output Warranty In addition Peimar warrants that for a period of thirty years commencing on the Warranty Start Date the loss ...

Page 45: ... unauthorized modifications or connections unauthorized opening servicing by use of unauthorized spare parts accident force of nature such as lightning strike earthquake influence from chemical products or other acts beyond Peimar s reasonable control including damage by fire flood etc 5 REPAIR REPLACEMENT OR REFUND REMEDY a As Buyer s sole and exclusive remedy under this Limited Warranty Peimar w...

Page 46: ... 39 0307772102 info peimar com North Central and South America Customer Support Peimar Inc 309 Fellowship Rd East Gate Center Suite 115 Mt Laurel NJ 08054 T 1 8566424035 info peimar com specifying each alleged claim including evidence of the claims and the serial numbers of the Product s at issue b Any dispute on technical facts relating to claims brought under this Limited Warranty for defects of...

Page 47: ...Buyer from 1st of January 2018 Incoterms 2010 This Limited Warranty shall be valid until a new revision is issued by Peimar 11 NO OTHER EXPRESS WARRANTY Except as otherwise provided by applicable statutory law cf Sec 5 d and 5 e above or unless modified in writing and signed by an officer of Peimar the Limited Warranty set forth herein is the only express warranty whether written or oral by Peimar...

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Page 51: ...as well as Foregone profits All liability is excluded for damage caused by severe weather or force majeur Limitations and Conditions Potential warranty entitlements are limited to the pre scribed period of this guarantee In order to secure poten tial warranty entitlements the following conditions apply The mounting racks were thoroughly installed observ ing the installation manuals layout plans an...

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