10115-01-03 C21E ELECTRICAL INSTALL
Contents
1. T y I 85 sejels 10 SAIL g INOAET UNMS 9 1eueAu EOICAL 0170 0 19vVV a 1338 3 HAN ONTARIO IN NDA SJOJOBUUOD A 1 1 1 haU J s s a 1 Iech uogj2euuoo Jo jujod o W 1 Aey Ad wos 1 NdS voz i Jojejos Ov I o 1 1 o LZ uM 10109 NdS VOZ vol UAN Jee I sov Jojelosi Oq S E 1 5 Joyusuej 8 SS JIAA i z 8 gt a Ll 8 D Jeye u VAS i 0041485 D i e e 1 1 1 l 1 I 1 l wog uym peje2o1 fejdsig ueeg 1 AUUNS VINS i 1 0 an bc 1 oO gay oildgng e ur EE 9 p O TTT TTT DI 1 uone nusA SIN JO SOUEIES I LULUOOZ uJoo angueoJejos oO T Aanzueose os x _ 2 uone2o3 HUN uone2o bununow oO J uinsuoo J93J9AU QN Q lt a T LO SLLOL JequunN Ped o 9 o lt ke Eur i ukud E 2 Been es Q OD LU Appendix 1d LO SLLOL JequunN Hed e N pos 143385 NIS g9 seiels 10 so Zy moie YOUMS 9 Jeuenu IP9Id 1 eLzo RUN NIA 20 89vLl N INIAGNT uJooanjueoJe os anqueouJe os ALO Uoj2auuoo Jo jurod o NdS YOZ J0 ejos Ov Z UM 10109 UMM JSN Lou wog um pere201 Keidsiq jeuosJeg sniuo4 eag 3 Iqnd2. uone203 un 4QUINSUOI Jojejos OV ut jeuruuey Quee o alqeo Vue jeuonounj S10 20UUO2 A i Aey Ad WON 9 IE Wun yeg Iguonounj bo NdS VOZ VOL si Jojejos OV 40 e os Da S S s Jeyiuusue 8 Sea g 8 WP oz l JeyeAu SN UOJY o OO O uone ueA Uone nuen JO e2ueJee o WOOT JO eoueJee o WWOOT uoyes07 Bununoyw s p SIA u 10 89 sajels 10 sell gp 1noAe YAMS 9 JeuoAu E9Id LZO 20 69vLL 3v IH AR IRAN INAYA N ININA Siojo uuoo A uojaeuuoo Jo jujod oi Jee OV ui uuuet ypes 0 ajqeo Upea jeuogounj Aey Ad WON NdS voz Jeer OY yun uue3 I Iguonounj Lzz1 1 uM 19109 NdS YOZ VOL UM Joel i x 410 e os OV J0jelos 90 8 1 3 Jepiusuei L 8 SS JIAA g i 9 ozor 1 a JeyieAu sniuoJ4 V 1 1 I o 000 1 l Z Z 1 wog uti p leoo1 i Cp feidsig I D ga jeuosjeg SNIUOIH 1
3. installation and inspection requirements which apply to the site and the installation Solarcentury accepts no responsibility or liability in this respect To the fullest extent permitted by law Solarcentury does not assume responsibility and expressly disclaims liability for any claims damages losses or expenses arising out of or in any way connected with any installation operation use or maintenance of any electrical components or the C21e units by use of this guide save for liability for death or personal injury resulting from Solarcentury s negligence Solarcentury assumes no responsibility or liability for any infringement of patents or of any other third party rights arising from the use or assembly of any electrical components or the C21e units No license express or implied by estoppel or otherwise to any intellectual property rights or under any patent or patent rights is granted by this guide The information in this guide is believed to be reliable but does not constitute an express or implied warranty Solarcentury makes no representations or warranties implied or otherwise regarding the accuracy and completeness of this guide Solarcentury may make changes to any of the C21e units and their components any specifications or this manual without prior notice Incorrect and or faulty installation operation use or maintenance may be dangerous and may invalidate any warranty which may apply to any of the electrical compon
4. Check that the voltage of the D C Field Cables from the roof are consistent with the string voltage specified on your laminated system schematic e Check that the Field Cables will reach the Inverter location Materials for extension cables can be ordered from Solarcentury if required Care must be taken when checking the voltage Test equipment should be fitted with MOS plugs The voltage may vary at different times of day and between strings by 10 due to fluctuating A daylight Ensure readings are consistent to 10 when compared to the design string voltages on the system schematic Apply warning label 1 to the D C Field cable before the D C Isolator Check that warning label 2 is on the Inverter front cover if not then apply it 4 3 Multiple D C Strings In some systems there may be multiple strings of C21e units connected in parallel to a single Inverter e Where indicated on the system layout drawing use Branch connectors provided AN Measure the voltage from the Branch connectors to ensure connections have been made properly Part Number 10115 01 11 Electrical Installation Guide 4 Commissioning and Start Up continued 4 4 D C Isolator A Ensure that the polarities are correct e Set the D C Isolator switch to OFF 0 position e Connect the D C field cables coming from the roof to the short pair of flying leads from the D C Isolator e Check D C voltage at the output longer pair of flying lea
5. D C cables protective and reinforced insulation to BS 7671 2008 712 412 All D C components rated for operation at max D C system voltage Voc stc x 1 15 see System Design Diere lima Dik Labelling and identification General labelling of circuits protective devices switches and terminals to BS 7671 2008 712 537 2 2 5 1 Part Number 101 15 01 28 C21 Appendix 2b Photovoltaic PV System Commissioning Test Sheet for C21e tiles and slates one or two string systems The following PV Array Tests should only be undertaken by suitably trained and qualified personnel following the latest regulations and good practice PV Array Test Report D C Circuits Report reference no Test date Contractor name Telephone Emergency telephone Company name if different Accreditation number Email address Postcode Serial Number All components and ratings match the System Drawing Y We es capture any variations in the comments section below Z e LIL LIL Part Number 10115 01 29 Electrical Installation Guide Appendix 2b continued bus a identification label Total peak power output kWp a String Test Open circuit voltage Voc V EE ERN WEE Short circuit current Isc A Weather conditions please circle Polarity check correct Yes No Resistance Pos Earth M Ohm Neg Earth M Ohm Inverter protection settings to ER G83 1 Yes Inverter function con
6. dus aisen IN ATANG SJOJOBUUOD A CH Ge ul 4 d IPOH E c l m E E uoij2euuoo Jo jujod oj gt gt Fw Aey Ad WON NdS YOZ 1Aol los OV d K NdS VOZ du ewe Ces Jes OV Jojejos 20 S d S Jepiusuei 2 SS JlAA i ii 8 A D 19ue u WAS o0teas Q P Wd i Wm fe O i wog uiu p leoo1 i d Aedsiq weag Auuns vas LU Bay 210n Lul i q 9 ENS TTT TTT TTT TT TTT PAN SUN uonejnusA A Joy eougJee o uuuu00Z c LUOD A SN USIAB OS x A4nzueosejos D c uone2o7 HUN uone2o bununow J wnsuoJ J93J9AUu lt SC Appendix 2 System Test Sheets The following section covers the inspection testing and commissioning of a Standard C21e Photovoltaic System tile or slate and should only be carried out by a suitably qualified PV installer who should follow the latest regulations see BS 7671 2008 and MIS 3002 Complete the forms in Appendix 2a and Appendix 2b and leave with the home owner Do not proceed with the following section unless you are qualified to do so If in doubt please contact Solarcentury Correct at time of print Details of the latest regulations can be found below Seventeenth edition of the IEE Wiring Regulations BS 7671 2008 http www theiet org Microgeneration Installation Standard MIS 3002 http www microgenerationcertification org Guide to the installation of PV systems 2nd Edition DTI Pub URN 0
7. 1e units are always live They must not be connected until the Commissioning stage and only by a suitably qualified installer see section 4 page 10 If you believe the on roof installation is incorrect or incomplete contact the installer before proceeding 1 2 Component Layout The individual components have specific requirements regarding their location in the system See their user manual for details e Adequate space is required around the Inverter to allow removal or refitting of the Inverter cover e Adequate ventilation space around the Inverter is also necessary Refer to the Inverter installation guide 1 3 Other Checks e Ensure you have the laminated system schematic and have familiarised yourself with the components and their layout Appendix 1 e Ensure you have all tools required for installation e Ensure you have all components outlined on page 4 e Ensure you have read and understood the guidelines Part Number 10115 01 Electrical Installation Guide 2 D C Component Installation e Familiarise yourself with the system schematic and the location and layout of the D C components Inverter D C Isolator and Functional Earth Unit if required A D C cables from the C21e units are always live They must not be connected until the Commissioning stage and only by a suitably qualified installer see section 4 page 10 Be 2 1 Preparing the Field Cables There will be two Field Cables for each strin
8. 3 1 Required Equipment 3 3 1 Consumer Unit 8 3 2 Electrician s System Pack 4 3 2 KiloWatt Hour Generation Meter 8 3 3 A C Isolators 9 4 Commissioning and Start Up 10 4 1 System Schematic and Warning Labels 11 4 2 Field Cables sae area renea 11 4 3 Multiple D C Strings akarana 11 2 4 Di C ISOlator eec e 12 4 5 Functional Earth Unit where required 13 A ONG GE ess Oh s EES 13 4 7 Wireless Display sarea eee arane 13 4 8 Inverter and Display Configuration 14 4 9 Final Labels 14 4c TO otart Das Sm ter emere reds 14 4 11 Electrical Commissioning Form 14 5 Liability geg geen e ege 15 APPENDICES 16 Appendix 1 System Layout Drawings 16 Appendix 1a 18 C21e units 17 Appendix 1b 24 C21e units siarane 18 Appendix 1c 36 C21e units 19 Appendix 1d 42 C21e units 20 Appendix 1e 48 C21e units 21 Appendix 1f 54 C21e units 22 Appendix 1g 60 C21e units 23 Appendix 1h 72 C21e units 24 _ e LO Appendix 2 Test Sheets 25 Appendix 2a Installation Check List 26 5 Appendix 2b Comm
9. 6 1972 http www energysavingtrust org uk The relevant forms for G83 grid connections and Electrical Installation Certificates can be obtained from The Eneroy Networks Association www energynetworks org The Institution of Engineering and Technology www theiet org Part Number 10115 01 25 Electrical Installation Guide Appendix 2a Photovoltaic PV System Installation Check List for C21e Tiles and Slates Inspection by ES E E Customer Details Correspondence address Postcode Installation address if different Installation Postcode Installer Details Postcode o ooo e II COT REN E ee NOTES 1 Based on the IEC Technical Committee template Part Number 10115 01 26 Part Number 10115 01 C21 Appendix 2a continued Tick the box when each check has been tested successfully ma General installation EH C21e tiles or C21e slates fitted according to the relevant Solarcentury Installation Guide General installation to BS 7671 2008 LD Fan emma I Teen re remenan mE TT ON mE UTC E NN I enne ene o Emas A NN im E Bes Tee ic rameici NN E Presence of fire barriers seals and protection against thermal effects imar A Bes Fm O oaa _ Be Bes gt Reg 27 Electrical Installation Guide Appendix 2a continued D C system EH Physical separation of A C and D C cables EJ A C switch disconnector fitted to BS 7671 2008 712 537 2 1 1 E
10. Electrical Installation Guide i C21 solar tiles amp slates For C21e Solar Electric Roof Tile amp C21e Solar Electric Roof Slate Ensure that you read this guide before beginning a C21e electrical installation This guide is for UK systems sizes up to 72 C21e units under G83 For installation in the UK only QU E d Issue O3 SO arcentu ry Solarcentury 2009 Part Number 10115 01 Eoas Part Number 10115 01 Electrical Installation Guide Contents B THE INSTALLATION A INTRODUCTION 1 PROCESS 5 1 Health and Safety 1 1 Pre Installation Checks 5 1 1 General Guidance en 1 EE ett 5 1 2 Dual Supplies vec i oo rim Dec es 1 1 2 Component Layout 5 T 9 DiGz BElectihess eroe et tt 1 1 3 Other Checks a 5 L t Blectries c sie E ces 1 2 D C Component Installation 6 2 Guidelines 2 2 1 Preparing the Field Cables 6 2 1 The Installation Process 2 2 2 D C Isolator ee ee E 6 2 2 Skills Required aaa eaaa 2 2 3 Functional Earth Unit 2 3 Notes on This Guide 2 Inverter Dependent 7 2 4 Symbols Used iii 2 2 24 t EE 7 3 Equipment and Components 3 3 A C Component Installation 8
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12. Symbols Used The following symbols are used throughout this guide and have the meanings as detailed below A A triangle with the FLASH symbol indicates a warning relating to an electrical hazard e g a risk of D C electrical shock A triangle with an exclamation mark indicates a general WARNING The text adjacent to the symbol will contain important information relating to safety or refer to a procedure which should be followed to prevent risk of injury or damage to any part of the installation This is a sticker symbol and indicates that a warning label should be applied at this stage 3 Equipment and Components 3 1 Required Equipment The following equipment is necessary for the installation process and is not supplied as part of the standard systems Standard tool pack MCS test leads and portable Multimeter available from Solarcentury Screw fixings to mount the Inverter and switch gear to a suitable surface A C cables for connection between the A C Isolator and the Consumer Unit Circuit breaker MCB Cable containment clips trunking or equivalent Other equipment that may be required and can be purchased from Solarcentury e Additional D C cable amp connectors may be required if the Inverter is not located within 10m of the tile array e Additional warning label set e Touch proof connector assembly tool may be required if D C cables are extended A DC cables must be fitted with connectors at both e
13. al cover GEI E de P i Pi For some Inverter models this feature is not integrated within its case so an additional functional earth unit is provided This unit enables functional earthing of the D C system to earth and ensures the optimal yield from the installed photovoltaic system The unit does not provide solid earthing to ground for safety purposes This unit is only supplied within the pack for system configurations where required Part Number 101 15 01 21 B THE INSTALLATION PROCESS 1 Pre Installation Checks 1 1 Field Cables The roofer will install the C21e units and connect their cables together on the roof D C Field Cables will be connected at the beginning and end of each C21e string Specific attention will have been paid to ensure the positive and negative conductors run together to avoid the potential for induction loops After completing the final string checks the roofer will pass the cable ends into the loft space e Check that the Field Cables are in the loft space See the C21e Solar Electric Roof Tile or C21e Solar Electric Roof Slate Installation Guide for more details of the on roof installation e tis recommended that you carry out an additional string check of the C21e system before proceeding Refer to the String Checker instructions and always use test leads with PV shielded connectors available from Solarcentury Do not use standard multi meter test probes D C cables from the C2
14. allation Guide 4 Commissioning and Start Up carried out by a suitably qualified photovoltaic system installer Inspection testing and commissioning of the completed system should only be Refer to BS 7671 2008 Seventeenth Edition and the Microgeneration Installation Standard MIS 3002 DO NOT proceed with the following section unless you are qualified to do so If in doubt please contact Solarcentury The high performance cells in the C21e unit build up a surface charge when exposed to day light The Functional Earth device included as part of the system allows this surface charge to be drained to earth and for the cells to operate at their optimum level It is recommended that the PV system is commissioned as soon as practical after the on roof installation to minimise this affect and commence the production of energy from your solar generator Correct at time of print Part Number 10115 01 C21 4 Commissioning and Start Up e Familiarise yourself with the system schematic and the location and layout of all components 4 1 System Schematic and Warning Labels e Ensure the warning labels are positioned in the locations indicated in this section e Mount one of the laminated system schematics adjacent to the Inverter and the other adjacent to the Consumer Unit The supplied warning labels and system schematic must be fitted in the positions indicated to comply with regulations 4 2 Field Cables e
15. d carrying the unit A Ensure that the Inverter or any D C cables are NOT connected 2 3 Functional Earth Unit Inverter dependent A Functional Earth Unit provides connection between the positive side of the PV array and the ground via a resistor and is protected by a fuse A Functional Earth Unit is only required with certain types of Inverters and will be supplied by Solarcentury as necessary Where required follow the guidelines below e Fit the Functional Earth Unit between the DC Isolator and the Inverter The position should ensure the following The output leads from the D C Isolator can reach the panel mount sockets on the Functional Earth Unit The pair of leads from the Functional Earth Unit can reach the D C inputs on the Inverter _ The cream coloured functional earth flex should be able to reach an earth connection at the A C Isolator location where it terminates e Remove the front housing and secure using suitable fixings Ensure that the Functional Earth Unit or any D C cables are NOT connected The earth wire must be connected to the A C earth in the A C Isolator and the covers replaced Part Number 10115 01 Electrical Installation Guide 3 A C Component Installation A AII A C connections must be fitted by an electrician fully qualified to Part P regulations e Familiarise yourself with the system schematic and the location and layout of the A C components Consumer Unit A C Iso
16. ds is zero This will confirm that the D C Isolator is working correctly e Set the D C Isolator switch to ON 1 position e Again check D C voltage at the output The measured voltage should be within 10 of the D C field cable voltage e Reset the D C Isolator switch to OFF A Ensure the D C Isolator switch is left in the OFF 0 position Apply warning label 3 to D C Isolator housing e Connect the output leads from the D C Isolator to the Inverter D C input or Functional Earth Unit if installed e he D C Field Cables and flying leads should now be secured correctly with cable clips or equivalent Apply warning label 4 to D C cable from D C Isolator to Inverter or Functional Earth Unit Part Number 101 15 01 12 21 4 Commissioning and Start Up continued 4 5 Functional Earth Unit where required e When the Functional Earth unit is used in conjunction with a Fronius IG series Inverter the D C isolation monitoring can be deactivated to supress the earthing warning as recommended by Fronius This must be configured on site in accordance with its user manual and labelled to indicate it has been done e Set the D C Isolator switch to ON 1 position e Check the D C voltage at the output leads from the Functional Earth Unit to confirm the connections have been made correctly e Set the D C Isolator switch to OFF 0 position e Connect the output leads from the Functional Earth Unit to t
17. ents or the C21e units End users should remember that the electrical installation of C21e units requires professional installation by qualified electricians or accredited solar PV installers using special tools and expert know how No part of this guide may be reproduced in any form by any means without Solarcentury s express written consent Part Number 10115 01 15 Electrical Installation Guide Appendices Appendix 1 System Layout Drawings Each system has been designed with specific components depending on the number of C21e units used 18 to 72 Make sure you refer to the correct drawing for your system APPENDIX SYSTEM SIZE INVERTER TYPE GROUNDING DISPLAY Inc Sunny Boy 1100 Ground 1G20 Functi IG30 Functi Inc Sunny Boy 1100 Groundi udes ng Set udes ng Set udes Sunny Boy 1700 T 1G20 Functional Earth Unit ng Set Earth Unit Earth Unit IG30 Functional Earth Unit Includes am iiic iuc Grounding Set SMA Sunny Beam 16 Part Number 10115 01 IN V I 89 s lels 40 SAILL g no e1uol WS 9 JONANUI Ie9Id 1 O LZO Z0 S9FL L Eug 1338 Ag GN ONTARIO TN ONAYA DIE e d uoij2euuoo Jo 3 i jujod o Aey Ad WON NdS VOZ Jojejos OV 1 1 1 Cz
18. er and Wireless display e a e Commissioning S NB If you are working on a new build run the A C cable from Inverter to Consumer Unit at first fix 2 2 Skills Required e It is advised that mounting the components is undertaken by a qualified electrician or accredited solar PV installer e Installation of A C components cabling and grid connections must be undertaken by an electrician qualified to Part P regulations e Final system commissioning must be undertaken by a suitably qualified installer see section 4 page 10 2 3 Notes On This Guide e There is no difference between the electrical installation for a C21e solar electric tile or C21e solar electric slate system Therefore the C21e solar electric tile and the C21e solar electric slate will be referred to as a C21e unit throughout this guide e This guide should be read in conjunction with the system drawings laminated schematic provided and system layout in Appendix 1 for the specific system configuration being installed For standard system sizes these are provided by Solarcentury e The health and safety advice should be followed at ALL times Failure to do so may result in damage to the equipment or injury to installers e Warning labels must be added as indicated at the Commissioning stage to meet the most current regulations Refer to Appendix 2 for further details of the regulations Part Number 101 15 01 C21 2 Guidelines continued 2 4
19. firmed including loss of mains test Yes Comments Please state any deviations from ER G83 1 oo O NOTES 1 Based on the IEC Technical Committee template 2 C21e Systems are designed for use with a Grounding Device which is a warranty requirement 3 Refer to System Schematic for Array Parameters Protective Device ratings and Wiring Ratings Part Number 101 15 01 30 C21 Notes Part Number 10115 01 31 Electrical Installation Guide Part Number 10115 01 32 Part Number 101 15 01 i C21 solar tiles amp slates For Customer Service support please contact Solarcentury on 0207 803 0180 customerservices solarcentury com solarcentury 9 Waterloo London S T 44 0 2 F 44 0 2 94 Lower Marsh E1 7AB O 7803 0100 O 7803 0101 www solai century com
20. g of C21e tiles installed one positive and one negative Field cables from the same string will be marked with the same symbol a star circle square or triangle K Q OA e Cables from the same string should be bundled together to avoid the creation of induction loops e Leave the Field Cable ends at the D C Isolator location ready for the Commissioning Engineer to connect 2 2 D C Isolator e Fix the D C Isolator in position by removing the front housing to access the screw holes e Switch to the OFF 0 position Make sure that the output leads longer pair from the D C Isolator can reach the D C inputs on the Inverter or Functional Earth Unit if required A Ensure the D C Isolator switch is left in the OFF 0 position Part Number 10115 01 C21 2 D C Component Installation 2 4 Inverter e Refer to your system drawings and Inverter installation guide to identify an appropriate and well ventilated location for the Inverter e Fix in place in accordance with the instructions in the Inverter manual e Check the following have been adhered to The space is weather tight The wall space is vertical and able to support the weight of Inverter and Isolators There is at least 200mm space surrounding the Inverter and good ventilation to prevent over heating The connections and face of the Inverter will be visible and easily accessible for maintenance AN Inverters can be heavy Take care when lifting an
21. he Inverter D C input e All D C cables should now be secured correctly with cable clips or equivalent A Ensure the D C Isolator switch is left in the OFF 0 position Apply warning label 5 to Functional Earth Unit housing Apply warning label 6 to D C cable from Functional Earth Unit to Inverter 4 6 Inverter e Connect A C Isolator No 2 to the A C output on the Inverter using the cable and connector provided 4 0mm CSA LSF flex 4 7 Wireless Display If a Wireless Display is included in the C21e system then the Inverter will normally be supplied pre installed with a wireless card Refer to the Inverter user manual for details SMA Inverters The antenna will be attached to the exterior of the Inverter remove the antenna from its temporary fixing and screw into the connector at the base of the Inverter No modification is required the antenna is internal to the Inverter Part Number 10115 01 13 Electrical Installation Guide 4 Commissioning and Start Up continued 4 8 Inverter and Wireless Display Configuration e Follow the Inverter user manual for configuration instructions e Please note that if using a Fronius Inverter the ground leakage warning Error 502 should be disabled see point 4 5 e Follow the Wireless Display user manual for configuration instructions 4 9 Final Labels Apply warning label 7 to A C Isolator 1 at Inverter location Apply warning label 8 to A C Isolator 2 at Consumer Un
22. issioning Test Sheet 29 x 21 A INTRODUCTION 1 Health and Safety Personnel working on site may be unfamiliar with photovoltaic PV installations or dual supplies D C amp A C and should be thoroughly briefed on the risks before being allowed to work on the PV installation 1 1 General Guidance e All PV systems must comply with the relevant Standards and codes of Practice in particular Health and Safety Requirements and Electrical Regulations to BS 7671 2008 Seventeenth Edition and the Microgeneration Installation Standard MIS 3002 e Before any work is carried out on the PV system a safe means of access and safe working environment including protection from falls should be established Correct at time of print 1 2 Dual Supplies e The PV system has been design for GRID CONNECTION This means that the A C output from the PV system is connected to the building s A C distribution system in parallel with the main grid supply The PV system is designed to stop generating A C power as soon as the grid becomes unavailable 1 3 D C Electrics e The D C side of a PV installation cannot be switched off in the normal sense Whenever light falls onto an array of PV units a D C voltage will be generated A high D C voltage may be present in the D C Isolators mounted adjacent to the Inverters e Although the D C Isolator will isolate D C voltage from the inputs of the PV Inverter all cabling termi
23. it location Complete boxes and apply warning label 9 to the Consumer Unit Complete boxes and apply warning label 10 at the point of incoming mains normally close to the Electricity Meter 4 10 Start Up e Reconnect the A C and D C plugs to the base of the Inverter e Set the D C Isolator switch to ON 1 position e Referto Initial System Start up on your laminated system schematic for details of how to reconnect A C supply and establish correct Inverter operation If there is sufficient power from the PV modules the Inverter will automatically power up when plugged in 4 11 System Test Sheets e Complete the Installation Check List in Appendix 2a e Complete the Commissioning Test Sheet In Appendix 2b e This guide along with the test results should be left with the home owner You should retain a copy of the test sheets for your records Part Number 101 15 01 14 C21 5 Liability Instructions given in this guide are general guidelines only for C21e electrical installations This guide cannot consider the individual technical requirements relevant to every individual project building and or site on in which you are undertaking your installation If you have detailed questions about any specific project building and or site please contact Solarcentury Before commencing any installation relating to the C21e units contact the appropriate authorities to determine the permissions consents approvals licenses
24. lators and Generation Meter The PV inverter provides a single phase A C power output at 230V 50Hz The output is A automatically tied to the grid waveform and synchronisation occurs automatically in line with Electricity Association Engineering Recommendation G83 L I rt1o o_o0odu_o o o e o _ uo uu uou _ _ an_j 3 1 Consumer Unit e Fit the dedicated MCB in the Consumer Unit for the PV system The MCB rating will depend on the C21e system size See your laminated system schematic for details 3 2 KiloWatt Hour Generation Meter The KiloWatt Hour Generation Meter sits between the Consumer Unit and the A C Isolator It will arrive with it s standard cover and a separate extended cover e The standard cover must be removed and replaced with the extended cover to ensure that the wires are adequately enclosed As the KiloWatt Hour Generation Meter is measuring the power from the PV system the wiring differs to a normal KiloWatt Hour Generation Meter e Fix the KiloWatt Hour Generation Meter in a suitable position next to the Consumer Unit e Run cable minimum 4 0mm CSA LSF flex from the Consumer Unit to the load side of the KiloWatt Hour Generation Meter terminal 4 on the diagram below then from the Main supply side terminal 1 to the A C Isolator position KiloWatt Hour Generation Meter Wiring Diagram From PV system L via Isolator MAIN To MCB A Ensure the cove
25. ll 1 PO w 1 cg C i Mie 1 l E uone queA uone nueA O 0 ealy 210nd 40 eouejeaj LILI00Z Jo eoueJeejo utuu00Z oo e gt um z I N 210 x 1 uoo unyueoJejos oO uoe907 pun uone2o1 Bununow Tr Jeuinsuo 1 J9j J9AU uanjueouJe os X D QN Q lt Q LO GLLOL JequunN Hed LO SLLOL JequunN Hed N N O Ti y 1 g9 sas 10 soll 6 3no e YOYMS JeyueAu eotd eLzo ZO OLVLL 5 dk WEN AT IWAN int NN ins OH em S1O O UuU00o A OQ g n i Wm J pecht A E uono uuo2 Jo jujod oj 40 E OS OV ul jeur Aeuy Ad Wos kend Quee 0 ejqeo NENNEN ypeg jeuonounj l NdS YOZ Joieios OV sid i i yun uue3 0 jeuogounj E 1 Y umy 12109 i NdS VOZ vol UMA Jee S Jojejos OV 1oiejos 20 2 l 3 Jepnusuei rl 8 SS JIAA E pini ni Ds SE A Q li 0 9I 1 V 1 l J9 J9AU sniuoJ4 l LE Wm SR Le 1 1 1 O OO O i rad Z 1 1 l Q 1 wog ulum poje201 1 l fejdsig ed Jeuosieg SNIUOIY T 1 1 LLI T ee1y ollqng T uonelnueA uonelnueA 40 eoueJes o uuuu00Z JOJ SOUBIES I LULIOOZ I I 1 SIN i uJoo unqueoJej
26. nals and connectors between the PV array and the D C Isolator should be considered LIVE when the PV array is exposed to light e he D C components are doubly insulated with touch proof connectors to prevent an electrical shock CLASS II It is particularly important that D C cable insulation and connections are not broken cut or exposed It is essential that no D C cables are cut or any connections made without specialist training 1 4 A C Electrics e BEFORE working on any part of the building s A C distribution system it is essential that personnel make sure they are aware of the potential presence of a generated supply from the PV system and check that the section of the building s distribution system they are working on is correctly isolated e Also be aware that a PV installation is unusual in building services terms in that the flow of electrical energy is in the opposite direction to that usually encountered with standard electrical systems Part Number 10115 01 Electrical Installation Guide 2 Guidelines Ensure that you understand the installation process and skills required for each stage before you begin 2 1 The Installation Process The electrical installation process can be viewed in three stages Wasi e Mount D C components OEMS Ve Run and clip D C cabling e Mount A C components LM Connect and test A C circuit Check all components Connect D C cables Add warning labels Configure Invert
27. nds BEFORE making any connections to the rest of the system A No D C cables should be extended without the correct training Part Number 10115 01 Electrical Installation Guide 3 Equipment and Components continued 3 2 Electrician s System Pack The following components are included in the electrician s system pack supplied by Solarcentury The components differ slightly depending on what C21e system size has been installed See your system drawings for details 18 24 36 42 48 54 60 72 Gan aten mentre ven mente e ffs fof fr Electrical Installation Guide rt eee 1 Warning label set applied at commissioning A i id a i un x i Components supplied see Appendix 1 for detail and TORE for your system Inverter SMA Sunny Boy 1100 motudes Grounding Sett fifi verte SMA Sunny Boy 1700 metudes Grounding Seto fof verte SMA Sunny Boy 3800 metudes Grounding sete 4 wener Fonsi I I I LL J Inverter FroniusIG3O Fronius IG30 inverter Poel E trt See J ppp For the Fronius Inverters wireless Display SMA Sunny Beam Jajah Wireless Display Fronius Personal Display Display Fronius Personal Display TT an E HH D C Isolator 16A Including MC 3 leads for connecting to Inverter A C Isolator and cable glands Including 1m length of cable for connecting to Inverter Energy Meter Elster A100C kWh With extended termin
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29. r on the KiloWatt Hour Generation Meter covers all the wiring so that IP rating is maintained Part Number 10115 01 Part Number 10115 01 C21 3 A C Component Installation continued 3 3 A C Isolators Two A C Isolators are supplied One must be installed adjacent to the Inverter and the second must be installed adjacent to the Consumer Unit when the Inverter is not located next to the Consumer Unit e Fix an A C Isolator No 1 in position next to the Consumer Unit Fix by removing the front housing to access the screw holes e Run cable from Main supply side of the KiloWatt Hour Generation Meter to A C Isolator No 1 e Fix another A C Isolator No 2 in position by the Inverter see Appendix 1 e Connect cable from A C Isolator No 2 adjacent to the Inverter to A C Isolator No 1 at the Consumer Unit run at first fix A Ensure that the Inverter is switched off and NOT connected to any D C cables e Run flex from A C Isolator No 2 to the Inverter and connect to the Inverter plug according to the Inverter manual e fa Functional Earth Unit has been installed terminate the cream coloured wire at the earth connection in A C Isolator No 2 e Fit cable restraining glands to the Isolator inputs to ensure IP rating and cable restraint A Both A C Live and A C Neutral are classed as live conductors The Isolator should be wired so that both are switched e Test the A C Component Circuit Electrical Inst
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