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Table of Contents

Acronyms

Definitions

Introduction

Disclaimer of Liability

Safety

General Considerations

Main Precautions

Fire Safety

Fire safety switch combiner box

Roofit.solar Product Information

Illustration of the Product

Connectors

Product environment

Product location

Roof Support Structure

Roof Slope

Location of battens

Roofit.solar PV system planning

Electrical interconnection

Electrical connection accessories

Wiring Considerations

Series and Parallel Wiring

Grounding

Mechanical Installation

Accessories for installation

ClicSeam

Edge Panel installation

Basic Installation of ClicSeam

PV-panel and/or Regular Metal

ClicSeam

Panel Connection Using Installation Plate

Maintenance

Cleaning

Visual inspection

Decommissioning and Disposal

Customer Support

Appendix 1

Electrical, Mechanical and Thermal Characteristics

Содержание ClicSeam

Страница 1: ...ClicSeam Safety and Installation Manual www roofitsolar com version 2021 1 ...

Страница 2: ...ttens 12 Roofit solar PV system planning 13 Electrical interconnection 14 Electrical connection accessories 14 Wiring Considerations 14 Series and Parallel Wiring 15 Grounding 17 Mechanical Installation 18 Accessories for installation 18 ClicSeamTM Edge Panel installation 19 Basic Installation of ClicSeamTM PV panel and or Regular Metal 20 ClicSeamTM Panel Connection Using Installation Plate 22 Ma...

Страница 3: ...ditions T 25 C Solar Irradiance 1000 W m2 AM 1 5 Voltage at maximum power Open Circuit Voltage Definitions Buyer A person or party that purchases the Product s from the Roofit Solar Energy OÜ Product s Roofit Solar Energy OÜ BIPV i e metal integrated photovoltaics Warranty Period The period beginning on the date of purchase of Product s by the Buyer PV layer PV system The Photovoltaic part of the ...

Страница 4: ... our Product Roofit Solar Energy OÜ assumes no re sponsibility for any infringements of patents or other rights of third parties that may result from the use of our Product Roofit Solar Energy OÜ reserves the right to make changes to the Product the specifica tions or the installation manual without prior notice Failure to comply with the require ments listed in this manual will void the warranty ...

Страница 5: ...se an electrical shock or burn if not handled properly PV modules are running on voltage higher then 30VDC and currents exceeding 30mA thus all contacts with bare wires with out proper safety measures can be dangerous for health The danger increases when multiple Products are connected to provide higher system voltage or current levels Dangerous voltages can also occur at night or even when the mo...

Страница 6: ...tions rain strong or gusty winds wet or frosted roof surfaces etc DO NOT use mirrors or other magnifiers to concentrate sunlight onto the Product DO NOT overbend or apply stress to the cables Observe the recommended cable bend radius following the supplier s data sheet Ensure that all electrical connections are properly secured and protected from unwanted interference Before installation make sure...

Страница 7: ...cal authority for guidelines and requirements for building or structural fire safety Roofit solar Products have been tested according to the Fire Test in IEC 61730 Part 2 and classified as Class A Also Roofit solar Products have been tested according to CEN TS 1187 and labelled as Broof t2 in accordance with EN 13501 5 2016 In addition the metal sheet has been tested according to the EN 14782 2006...

Страница 8: ...sed by the lightning strikes Depending on the roof specifications the Combiner Box is available in different sizes for up to 3MPPTs per box The Combiner Box includes fireman s switch which disconnects the DC power lines between the solar modules and the inverter s The device can be triggered remotely as itis installed inside the building with an easy access that can be activated in case of a fire ...

Страница 9: ...facade of a building Illustration of the Product View from the Front View from the Back View from the Bottom Edge Overlapping area The overlapping area is needed to ensure water proofing of the roof Metal sheet ClicSeam profile Junction boxes PV4 connectors PV layer PV layer is laminated to the metal and consists of solar cells connected in series encapsulated and protected with the tempered glass...

Страница 10: ... V UL 20A DC TUV 40A DC Bypass diodes Each junction box contains a bypass diode wired in parallel with the PV cell strings In case of partial shading the diodes bypass the current generated by the unshaded cells thereby limiting the Product heating and performance losses Bypass diodes are not overcurrent protection devices In the event of a known or suspected diode failure installers or main tenan...

Страница 11: ...n extra safety factor of 1 5 according to Swedish test institute RISE Roofit solar is not responsible or liable for Products damaged during lightning There fore surge protection is recommended for Products to be installed in locations with high probability of lightning strikes The Product should not be installed in locations where any type of corrosive agents and or flammable gases may be generate...

Страница 12: ...mends 250 300 mm gap between the horizontal battens Ventilation gap between the Product and the moisture barrier should be at least 50 mm Ensure the installation method and supporting system of the roofing materials are strong and durable enough to install the Product and meet its load conditions The supporting system must be installed according to local national or international standards Special...

Страница 13: ...Depending on the roof design Roofit solar Products can cover the whole roof or be com bined with regular metal roofing materials However all penetrating roof elements should be surrounded by standard metal sheets In the case of complex geometry shadow analysis is needed to determine the appropriate area for the installation of the Products ...

Страница 14: ...s is more than 1 m DC cable with PV4 male female connectors DC cables are used to connect Roofit solar DC Strings with the inverter Grounding cable Spanner Spanner is used for the disassembly of connectors Wiring Considerations Roofit Solar Energy OÜ recommends that all wiring is double insulated with a mini mum temperature rating of 110 C All wiring should use flexible copper Cu conductors The mi...

Страница 15: ...t the lowest temperature expected at the PV system location In addition the maximum number of strings that can be connected in parallel cannot exceed 2 without proper protection An overcurrent protection device is required for each series string if more than two series strings are connected in parallel The maximum system voltage of the Roofit solar Product is DC 1000V according to the safety asses...

Страница 16: ...d to the protective tubes and taken to the technical room where they will later be connected to the inverter An example of 2 strings NB Roofit solar PV system must be equipped with DC arc fault circuit protection DC arc fault circuit protection provides supplementary protection against fires that may arise because of arcing faults in PV system components or wiring Therefore inverters with arc faul...

Страница 17: ...od ucts covering different sides of the roof they can be connected in one grounding circuit to minimize the number of grounding cables as shown in the picture Double grounding of the PV system is recommended even when applicable regulations code requirements and standards do not require any safety related grounding The grounding should be initialized by screwing a self tapping A2 or A4 stainless s...

Страница 18: ... screws included in package Silicone sealant Silicone type ABRA M82 or equal Supports waterproofing of seams in all overlapping areas Expanding sealant tape 15 1 4 For waterproofing under ClicSeam top profile Attached inside each top profile before installation ClicSeam Edge panel 150 mm wide end bent Edge panel standard length 2000 mm ClicSeam installation plate A start profile that is used when ...

Страница 19: ...es flashing Note that fastening clips are to be mounted in each batten with a minimum of 1 screw per clip When the second edge panel is installed ensure a minimum of 150 mm overlap Cut the seam seam of the first edge panel in the overlapping area using a metal cutter Add silicone sealant in the overlapping area and press the second edge panel over the first one Metal worker completes the connectio...

Страница 20: ...m fastening clip 5 ClicSeam top profile minimum 100 mm overlap 3 Screw for fastening clip Step by step view of panel connection 1 4 5 2 Place the panels with a gap of 5 6 mm to ensure sufficient space to insert the screw for the ClicSeam fastening clip Attach ClicSeam fastening clip over the seams of the panels every 300 mm with a 5x70 screw Insert expanding sealant tape into the ClicSeam top prof...

Страница 21: ...ge panel Apply silicone sealant in the overlapping areas The next module is placed according to the system plan with a minimum overlap of 200 mm When applying expanding sealant tape inside the top profile make sure to leave the overlapping area free to ensure a complete connection between the overlapping top profiles ...

Страница 22: ... Edge panel removed ClicSeam installation plates are intstalled in rows according to the system plan starting with the edge panel Note that fastening clips are to be mounted in each batten and that screws and ClicSeam top profile have to be installed according to ClicSeam panel connection The installation plates are installed by sliding the end bent side under the eaves flashing The connection bet...

Страница 23: ...obstructed at any time The Product cleaning frequency depends on the environmental factors In many cases the glass is sufficiently cleaned by naturally occurring rain and the necessity to explicitly clean it is reduced When cleaning the Product it is recommended to wipe the glass surface with a damp sponge or soft cloth without touching any electrical connections Do not clean the glass with an aci...

Страница 24: ...x V 12 8 15 8 19 0 MPP Current Imax A 8 57 8 54 8 44 Open Circuit Voltage Voc V 15 9 19 9 23 9 Short Circuit Current Isc A 9 11 9 04 9 00 Normal Operating Conditions irradiance 800 W m2 cell temperature 20 C spectrum AM1 5 Nominal Power Pmax W 80 8 99 2 116 8 MPP Voltage Vmpp V 11 9 14 7 17 41 MPP Current Imax A 6 78 6 75 6 71 Open Circuit Voltage Voc V 14 7 18 4 21 87 Short Circuit Current Isc A ...

Страница 25: ... Installation Manual 25 Thermal Characteristics Normal Operating Cell Temperature NOCT 42 1 4 0 C Temperature Coefficient of Pmpp γ 0 363 K Temperature Coefficient of Voc β 0 276 K Temperature Coefficient of Isc α 0 043 K ...

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