INSTALLATION MANUAL OF STARDAND SOLAR
Contents
1. Modules should be bolted to support structures through the mounting holes in the rear frame flanges only Each module must be securely fastened at a minimum of 4 points on two opposite sides using the innermost mounting holes M6 size bolt and nut shall be used for bolting method Tightening torques should be within 4 6 Nm 3 0 4 4 ft lbs for M6x1 coarse thread bolts depending on bolt class In areas with heavy wind loads additional mounting points should be used The system designer and the installer are responsible for calculating the loads and ensuring that the support structure meets the requirements Mounting method Bolting gt Modules should be bolted at the following hole locations depending on the configuration and load Table 2 Approved bolting methods 11 Uplift load lt 2400 Pa Uplift load lt 2400 Pa Downforce load lt 2400 Pa 2400 Pa lt Downforce load lt 5400 Pa D igi s ro PE el Bolting on long side frame b iv o_ioi s g Use 4 standard mounting holes long side Mounting rails shall run perpendicularly or parallel to the long side frame OD DO O_O oo ie OD A A E 27 2 Pi 4 E gt Bolting on i short side UAMS dc 1 1 bj 4 E d except for i ii o RE o D o o RENI o ei o_o CS6X series i Use 4 standard mounting holes short side Use 4 sta2. They should never be used to turn the circuit on and off USE OF SUITABLE MATERIALS Only use dedicated solar cable and suitable plugs EN Rev IM IEC AM EN 3 2 Copyright Dec 2014 Canadian Solar Inc wiring should be sheathed in a sunlight resistant conduit or if exposed should be sunlight resistant itself that meet local fire building and electrical regulations Please ensure that all wiring is in perfect electrical and mechanical condition Installers may only use single conductor 2 5 10 mm 8 14 AWG 90 C wet rated solar cable with proper insulation that is able to withstand the maximum possible system open circuit voltage i e TUV 2PfG1169 approved Only copper conductor material should be used Select a suitable conduc tor gauge to minimize voltage drop CABLE PROTECTION Secure the cables to the mounting system using UV resistant cable ties Protect exposed cables from damage by taking appropriate precautions e g placing them inside a plastic conduit Avoid exposure to direct sunlight A minimum bending radius of 60 mm 2 36 in is required when securing the junction box cables to the racking system 5 2 GROUNDING Although the modules are certified to Safety Class II we recommend that they be grounded and that module installation should comply with all local electrical codes and regulations Grounding connections should be installed by a qualified electrician Connect module frames
3. together using adequate grounding cables Canadian Solar recommends using 4 14mm AWG 6 12 copper wire Holes provided for this purpose are identified with a green label All conductive connection junctions must be firmly fixed All bolts nuts flat washers lock washers and other relevant hardware should be made of stainless steel unless otherwise specified Canadian Solar Inc does not provide grounding hardware One grounding method is recommended for Canadian Solar Inc standard modules with 5 mm 0 20 in grounding holes as described below For alternative grounding methods please refer to our Installation Manual Annex Section Annex B Alternative Grounding Methods on the website www canadiansolar com It is not possible to use standard grounding methods for certain module ranges Please refer to Annex B for more details GROUNDING METHOD BOLT TOOTHED NUT CUP WASHER A grounding kit containing an M5 SS cap bolt an MS SS flat washer an M5 SS cup washer and an M5 SS nut with teeth is used to attach copper grounding wire to a pre drilled grounding hole on the frame see image below i To fix the wire between the flat washer and cup washer place the cup washer concave i side up between the frame and the wire 6 0 MOUNTING INSTRUCTIONS STANDARD MODULES For a clear understanding of our modules please refer to the illustration of a standard module shown below
4. INSTALLATION MANUAL OF STARDAND SOLAR MODULES IEC EN Rev IM IEC AM EN 3 2 Copyright Dec 2014 Canadian Solar Inc 1 0 GENERAL INFORMATION 1 1 INSTALLATION MANUAL DISCLAIMER 1 2 LIMITATION OF LIABILITY A 2 0 SAFETY PRECAUTIONS 3 0 MECHANICAL ELECTRICAL SPECIFICATIONS 5 4 0 UNPACKING AND STORAGE 0 5 0 MODULE INSTALLATION 5 1 MODULE WIRING 5 2 EQUIPMENT GROUNDING 6 0 MOUNTING INSTRUCTIONS 6 1 MOUNTING METHOD BOLTING 7 0 MAINTENANCE AMENDED EDITIONS AND DATES www canadiansolar com 41 1 0 GENERAL INFORMATION This general manual provides important safetv infor mation relating to the installation maintenance and handling of CS series solar modules Svstem users and professional installers should read this manual carefully and strictly follow the instructions herein Failure to follow these instructions mav result in death injurv or propertv damage The installation of solar modules requires specialized skills and should only be performed by licensed professionals The word module or PV module used in this manual refers to one or more CS series solar Modules Please retain this manual for future reference We recommend checking www canadiansolar com regularly for the most updated version 1 1 INSTALLATION MANUAL DISCLAIMER The information contained in this manual is subject to change by Canadian Solar Inc without prior notice Canadian Solar Inc gives no warra
5. a 19 Place the wire between the flat washer and the cup washer Ensure that the cup washer is positioned between the frame and the wire with the concave side up to prevent galvanic corrosion Tighten the bolt securely using the SS toothed nut A wrench may be used to do this The tightening torque is 1 Nm 0 8 ft lbs Then tighten the bolt i using the toothed nut Grounding holes Junction box Standard mounting holes long side Additional mounting holes high wind or snow loads Standard mounting holes short side Module frame Cables and connectors www canadiansolar com 10 The mounting design must be certified by a regis tered professional engineer The mounting design and procedures must comply with local codes and requirements from all relevant authorities Canadian Solar Inc does not provide mounting hardware Standard modules can be mounted onto a support structure using one of several approved methods One such method is described below For details of other mounting methods and the methods recommended by Canadian Solar Inc for special module ranges please refer to our Installation Manual Annex Section Annex A Alternative Mounting Methods on our website www canadiansolar com For information about other installation hardware please contact your local representative Failure to use a recognized installation method will voi
6. ance of 6 5 mm 0 25 in between modules is required to allow for thermal expansion of the frames www canadiansolar com 8 The small drainage holes on the underside of the module must not be blocked OPTIMUM ORIENTATION AND TILT To maximize your annual yield find out the opti mum orientation and tilt for PV modules in your region The highest yields are achieved when sun light shines perpendicularly onto the PV modules AVOID SHADING Even minor partial shading e g from dirt deposits reduces yields A module can be considered to be unshaded if its entire surface is free from shading all year round Sunlight should be able to reach the module even on the shortest day of the year RELIABLE VENTILATION Sufficient clearance at least 10 cm 3 94 in between the module frame and the mounting surface is required to allow cooling air to circulate around the back of the module This also enables condensation or moisture to dissipate 5 1 MODULE WIRING CORRECT WIRING SCHEME Ensure that the wiring is correct before starting up the system If the measured open circuit voltage Voc and short circuit current Isc differ substantially from the specifications this indicates that there is a wiring fault CORRECT CONNECTION OF PLUG CONNECTORS Make sure that connections are safe and tight Plug connector should not be subjected to stress from the exterior Connectors should only be used to connect the circuit
7. d the Canadian Solar Inc warranty Use appropriate corrosion proof fastening materi als All mounting hardware bolts spring washers flat washers nuts should be stainless steel Use a torque wrench for installation Do not drill additional holes or modify the module frame Doing so will void the warranty Standard modules can be installed in either landscape or portrait orientations Refer to the detailed instructions for further guidance Please note that in areas with heavy snowfall gt 2400 Pa further countermeasures such as the use of additional support bars should be considered to avoid snow loads damaging the lowest row of modules In cases where an additional support bar is recommended to improve both mechanical stability and long term module performance Canadian Solar recommends selecting sufficiently resistant material Canadian Solar Inc recommends bars with a minimum thickness of 50 mm 1 97 in The support bar centerline should be positioned within 100 mm 3 94 in of the side frame centerline slight shifts may be necessary to access module grounding holes EN Rev IM IEC AM EN 3 2 Copyright Dec 2014 Canadian Solar Inc 6 1 MOUNTING METHOD BOLTING This mounting method has been developed by Canadian Solar Inc This method involving bolting on the short frame side has been certified by VDE and the method of bolting on long frame side has been certified by both VDE and TUV Rheinland
8. ded and released in Sep 2012 Rev 2 4 was amended and released in May 2013 Rev 3 1 was amended and released in Apr 2014 Rev 3 2 was amended and released in Dec 2014 www canadiansolar com CANADIAN SOLAR INC 545 Speedvale Avenue West Guelph Ontario Canada N1K 1E6 www canadiansolar com
9. e cables from the positive terminal of one module to the negative terminal of the next module To connect in parallel connect the cables from the positive terminal of one modu le to the positive terminal on the next module The quantity of bypass diodes in the module s junction box may vary depending on the model series Only connect the quantity of modules that corres ponds to the voltage specifications of the inverters used in the system Modules must not be connected together to create a voltage higher than the ma ximum permitted system voltage even under the worst local temperature conditions see Table 1 for the correction coefficients that apply to open circuit voltage A maximum of two strings can be connected in parallel without the need to incorporate an over current protection device fuses etc in series within each string Three or more strings can be connected in parallel if an appropriate certified over current protection device is installed in series within each string Only modules with similar electrical outputs should be connected in the same string to avoid or minimize mismatch effects in arrays To minimize risk in the event of an indirect light ning strike avoid forming loops when designing the system The recommended maximum series fuse rating is stated in a table in the Annex Modules should be safely fixed to bear all expected loads including wind and snow loads A minimum clear
10. g formula T is the lowest expected ambient temperature at the system installation site aVoc C is the temperature coefficient of the selected module refer to corresponding datasheet www canadiansolar com 6 4 0 UNPACKING AND STORAGE PRECAUTIONS AND GENERAL SAFETY If modules are stored in an uncontrolled environment for less than 3 months extra precautions should be taken to prevent moisture exposure to connectors or sunlight exposure to modules Unpack module pallets carefully following the steps shown on the pallet Unpack transport and store the modules with care Modules must always be unpacked by two people Always use both hands when handling modules f SE CanadianSolar Do not carry modules on your head Do not drop or place objects such as tools on the modules Do not lift modules by their wires or junction box lift them by the frame EN Rev IM IEC AM EN 3 2 Copyright Dec 2014 Canadian Solar Inc Stacks of modules should contain no more than 12 modules and the frames should be aligned Do not place excessive loads on the module or twist the module frame Do not use sharp instruments on the modules Particular care should be taken to avoid module backsheets being damaged by sharp objects as scratches may directly affect product safety Do not leave modules unsupported or unsecured Do not change the wiring of bypass diodes Keep all elec
11. lled as specified in the mechani cal mounting instructions DO NOT STAND OR STEP on the modules under any circumstances Localized heavy loads may cause severe micro cracks at cell level which in turn may compromise module reliability Failure to comply with the above caution will void Canadian Solar Inc s warranty ENVIRONMENTAL CONDITIONS The module is intended for use in general open air climates as defined in IEC 60721 2 1 Classification of environmental conditions Part 2 1 Environmental conditions appearing in nature Temperature and humidity Please consult the Canadian Solar Inc technical support department for more information on the use of modules in special climates Do not install modules near naked flames or flammable materials Do not immerse modules in water or constantly expose modules to water either fresh or salt i e from fountains sea spray Exposing modules to salt i e marine environments or sulfur i e sulfur sources volcanoes incurs the risk of module corrosion Failure to comply with these instructions will void Canadian Solar Inc warranty 17 INSTALLATION REQUIREMENTS Ensure that the module meets the general technical system requirements Ensure that other system components do not damage the module mechanically or electrically Modules can be wired in series to increase voltage or in parallel to increase current To connect modules in series connect th
12. ndard mounting holes short side Mounting rails shall run parallel or An additional support bar should be placed below perpendicularly to the short side frame the module Mounting rails should run parallel to the short side frame 7 0 Please refer to our Installation Manual Annex MAINTENANCE Section Annex D Module Cleaning Guide for Do not make modifications to the PV components diode junction box plug connectors Regular maintenance is required to keep modules clear of snow bird droppings seeds pollen lea ves branches dirt spots and dust Modules with sufficient tilt at least 15 generally do not require cleaning rain will have a self cleaning effect If the module has become soiled it shall be washed with water and a non abrasive cleaning implement sponge during the cool part of the day Do not scrape or rub dry dirt away as this may cause micro scratches Snow should be removed using a soft brush The system shall be periodically inspected to verify the integrity of all wiring and supports To protect against electric shock or injury electrical or mechanical inspections and maintenance should be performed by qualified personnel only and on a regular basis more information on module cleaning AMENDED EDITIONS AND DATES The first edition Rev 1 1 was released in Jan 2009 Rev 2 1 was amended and released in Jan 2011 Rev 2 2 was amended and released in Apr 2012 Rev 2 3 was amen
13. ng or handling modules in light rain morning dew or strong wind appropriate safety measures should be taken to avoid damaging the modules or injuring people Do not allow children or unauthorized persons near the installation site or storage area of modules Use electrically insulated tools to reduce the risk of electric shock If the disconnects and OCPD s cannot be opened or the inverter cannot be powered down cover the fronts of modules in the PV array with an opaque material to stop the production of electricity when installing or working on a module or wiring Do not use or install broken modules Contact with module surfaces or frames may cause electric shock if the front glass is broken or the backsheet is torn The PV module does not contain any serviceable parts Do not attempt to repair any part of the module Keep the junction box cover closed at all times Do not disassemble a module or remove any module part Do not artificially concentrate sunlight on a module Do not connect or disconnect modules when current from the modules or an external source is present 3 0 MECHANICAL ELECTRICAL SPECIFICATIONS Module electrical ratings are measured under Standard Test Conditions STC of 1000 W m irradiance with an AM1 5 spectrum and a cell temperature of 25 C Detailed electrical and mechanical characteristics of Canadian Solar Inc crystalline silicon PV modules can be f
14. nty of any kind whatsoever either explicitly or implicitly with respect to the information contained herein 1 2 LIMITATION OF LIABILITY Canadian Solar Inc shall not be held responsible for damages of any kind including without limita tion bodily harm injury or damage to property in connection with handling PV modules system installation or compliance or non compliance with the instructions set forth in this manual 2 0 SAFETY PRECAUTIONS Warning Before attempting to install wire operate and or service the module and other electrical equipment all instructions should be read and understood PV module interconnectors pass direct current DC when exposed to sunlight or other light sources Contact with electrically active parts of the module EN Rev IM IEC AM EN 3 2 Copyright Dec 2014 Canadian Solar Inc such as terminals can result in injury or death irrespective of whether or not the module and the other electrical equipment have been connected GENERAL SAFETY All installation work must comply with applicable regional and local regulations or other national or international electrical standards Protective clothing non slip gloves clo thes etc must be worn during installa tion to prevent direct contact with 30 V DC or greater and to protect your hands against sharp edges Prior to installation remove all metallic jewelry to prevent accidental exposure to live circuits When installi
15. ound in our Installation manual Annex Section Annex C Table 1 Low temperature correction factors for open circuit voltage 5 Module Specifications on www canadiansolar com Main electrical characteristics under STC are also stated on each module label The maximum svstem voltage for all module series is stated on datasheet Under certain conditions a module mav produce more current or voltage than under its Standard Test Condition s rated power As a result the module short circuit current at under STC should be multiplied bv 1 25 and a correction factor should be applied to the open circuit voltage see Table 1 below when determining component ratings and capacities Depending on vour local regulations an additional 1 25 multiplier for the short circuit current giving a total multiplier of 1 56 mav be applicable when sizing conductors and fuses Lowest Expected Ambient Temperature C F Correction Factor 24 to 20 76 to 68 1 02 19 to 15 67 to 59 1 04 14 to 10 58 to 50 1 06 9 to 5 49 to 41 1 08 4to 0 40 to 32 1 10 1 to 5 31 to 23 1 12 6 to 10 22 to 14 1 14 11 to 15 13t05 1 16 16 to 20 4 to 4 1 18 21 to 25 5 to 13 1 20 26 to 30 14 to 22 1 21 31 to 35 23 to 31 1 23 36 to 40 32 to 40 1 25 Alternatively a more accurate correction factor for the open circuit voltage can be calculated using the followin
16. trical contacts clean and dry PRODUCT IDENTIFICATION Each module is equipped with two identical barcodes one inside the laminate under the front glass the second on the rear side of the module that act as a unique identifier Each module has a unique serial number containing 13 pre March 2013 or 14 post March 2013 digits A nameplate is also affixed to the rear of each mo dule This nameplate specifies the model type as well as the main electrical and safety characteristics of the module 5 0 MODULE INSTALLATION PRECAUTION MEASURES AND GENERAL SAFETY Prior to installing modules please obtain infor mation about any requirements and necessary approvals for the site installation and inspection from the relevant authorities Check applicable building codes to ensure that the construction or structure roof facade support etc can bear the module system load CS series solar modules have been qualified for Application Class A equivalent to Safety Class II requirements Modules rated under this class should be used in systems operating at voltage above 50 V or power above 240 W where general contact access is anticipated When installing modules please ensure the sup porting roof has a fire resistant roof covering rated for the application Canadian Solar Inc modules are listed as Class C under the UL790 standard The fire rating for this module is only valid when the product is insta
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