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aleo 

aleo solar Deutschland GmbH

 | Osterstraße 15| 26122 Oldenburg | 

Germany 

| service@aleo-solar.com 

Page 56/60

 

installation instructions Edition 01/2012 en-GB-Intl (120508b) 

 

D.2.

 

Glossary 

Term 

Explanation 

Fire prevention 
switch 

Safety device that switches off 
electricity inside the building. A fire 
protection switch disconnects the 
photovoltaic generator at two poles. 
This means the voltage of the photo-
voltaic generator can no longer enter 
the building and the cables leading 
into the building are currentless. 
In the event of a fire, this fulfils an 
important safety function with respect 
to putting out the fire. 

Bypass element 

Internal component of an aleo module 
that keeps the reverse voltage of the 
cells in modules at safe levels when 
shadowing affects a module or parts 
thereof, thereby extending the service 
life of the module in the event of 
accidental shadowing. 
One or more bypass elements may 
exist for each module. 

DC isolator  

Safety device for safely switching off 
the electricity of the photovoltaic 
generator and the inverter on its DC 
side. A DC isolator separates the 
photovoltaic generator with two poles 
in such a way that both feed cables 
are not earthed. 
It therefore fulfils an important safety 
function during the installation and 
maintenance of a photovoltaic gene-
rator. 

MPP tracker 

Part of a photovoltaic system which 
ensures that, even with varying 
irradiation levels, the highest output is 
extracted from the photovoltaic gene-
rator as is possible under the present 
conditions. 
MPP trackers are often integrated into 
inverters. 

Photovoltaics 

The direct transformation of light into 
electrical energy with the help of solar 
cells. 

Photovoltaic system  A photovoltaic generator inclusive of 

its other components and safety 
devices such as inverters or DC 
isolators. 

Photovoltaic 
generator 

The entirety of all module strings that 
are connected to one of more inverter 
entries. 

 

 

Term 

Explanation 

String fuse 

An external component of a photovoltaic 
generator. This protects the solar modules 
in the event of failures (e.g. faulty inverter, 
lightning strike). Direct current string fuses 
also offer basic protection against stray 
currents and can help prevent fires. 
Local regulations may also stipulate the use 
of direct current string fuses. 

Solar module   A solar module is comprised of solar cells 

connected in series and is equipped with 
safety devices (bypass elements) integrated 
within the module. 
The cells are protected inside the module 
against the weather through a front pane 
and an insulating rear side. 
The modules described in this manual have 
a frame.  

 

Summary of Contents for S_16

Page 1: ...2012 en GB Intl 120508b Das verkn pfte Bild kann nicht angezeigt werden M glicherweise wurde die Datei verschoben umbenannt oder gel scht Stellen Sie sicher dass die Verkn pfung auf die korrekte Date...

Page 2: ...g to the best of its knowledge However aleo solar does not accept explicit nor implicit liability for the completeness or accuracy of the information provided The performance characteristics indicated...

Page 3: ...hanical Installation 28 7 1 Visually attractive roof installation 28 7 2 Types of installation 28 7 3 Support area 28 7 4 Spacing and clearances 28 8 Electrical Installation 30 8 1 Order of work steps...

Page 4: ...e symbol It is used in various forms in this manual as a warning against possible danger of personal injury Follow all safety instructions following this symbol in order to prevent injury or death The...

Page 5: ...al Ch 3 Introduction Ch 4 Handling of aleo Modules Ch 5 Planning Ch 6 Preparing for Installation Ch 7 Mechanical Installation Ch 8 Electrical Installation Ch 9 Mechanical Mounting Details Ch 10 Mainte...

Page 6: ...These recommendations are not obligatory You may deviate from these recommendations in order to take into account local circumstances In this manual recommendations are identified by the words recomm...

Page 7: ...tently high quality safe and state of the art products We also make use of information and ideas from planners installers and operators to monitor and improve the quality of aleo modules For questions...

Page 8: ...these may be applied exclusively on the frames aleo modules are generally combined with further compo nents to create a photovoltaic system Please also follow the installation and operational guideli...

Page 9: ...2 Electrical precautionary measures Always heed the following warnings when handling solar modules DANGER Do not touch the electrical connections or other live parts of a solar module directly or with...

Page 10: ...easuring inclination For example these are equipped with a GPS receiver an electronic spirit level an electronic compass a fisheye camera a display for measured values or respectively the visible sect...

Page 11: ...shadowing NOTICE Avoid shadowing of the solar modules In particular this also applies to small scale shadowing from small nearby objects such as antennas or lightning protection systems If there is s...

Page 12: ...ctations The following general rules can make this decision easier Mono crystalline cells have an octagonal shape square with bevelled corners a black base colour this base colour can vary depending o...

Page 13: ...02 A building material class metal roofs according to the DIN 4102 B and DIN 4102 B1 building material classes various types of bitumen sheeting according to DIN 52128 DIN 52130 DIN 52131 and DIN 5214...

Page 14: ...Fig 2 Module alignment in a parallelogram shape offset at a half module interval Fig 3 Module alignment in a trapezoid shape offset at a half module interval Orientation of the rails Lay rails that ru...

Page 15: ...only with a gauge e g a spacer As module frames may vary slightly in terms of width this may lead to the rows below ending up with a slightly different overall width This together with the row above c...

Page 16: ...zontal installation landscape orientation In horizontal installation try to mount the modules in such a way that the outlets for the cables on the modules or their junction boxes are on the inside of...

Page 17: ...vertical module on roof installations the mounting rail pairs of the module rows can be arranged in such a way that the mounting rails are spaced at differing intervals thereby making use of the mount...

Page 18: ...e also Ch 7 4 1 Spacing between the module frames but aleo solar recommends mounting at intervals 5 9 8 Lay in installation Avoid flush fitting This is an option see also Ch 7 4 1 Spacing between the...

Page 19: ...it can age a little more slowly If a single inverter is not sufficient for your situation then you have the following options use several MPP trackers or inverters OR use an inverter that features se...

Page 20: ...p of the module string circuit Lay all the cables of the module string as follows form as small loops as possible lay loops next to one another with alternating current directions lay the return circu...

Page 21: ...witching of individual module strings can in some situations reduce the number of required inverter inputs In this case not only plan sufficient conductor cross sections for the higher currents but al...

Page 22: ...s the maximum reverse current IREV stated in the corresponding data sheet for the modules Only a trained professional should carry out the dimensioning of the fuses Corresponding information materials...

Page 23: ...when measures are undertaken to extinguish a fire Determine and follow the relevant require ments of authorities energy supply compa nies insurance companies and fire services as during the planning...

Page 24: ...ures should only be carried out by a professional Absolutely avoid using the module frame or its earthing as an active part of lightning protection measures Separate lightning conductors must be used...

Page 25: ...e supplier or transport company 6 2 Precautionary measures 6 2 1 General precautionary measures DANGER Sparks or electric arcs may occur as a result of short circuits or switching operations in photo...

Page 26: ...r maintenance of live parts only use approved insulated tools Work only in dry conditions whenever possible Ensure that the electrical con nections of the solar modules the cables used during installa...

Page 27: ...les warm up as a result of solar irradiation Under extreme conditions e g high irradiation high ambient temperature still air the module surface and the frame can reach temperatures of 70 C 158 F or m...

Page 28: ...as the product specific information for the respective module type does not include any instructions to the contrary NOTICE Arrange the aleo modules in such a way that the rear junction boxes remain a...

Page 29: ...d wind and suction conditions The maximum clearance for an installation is determined by the chosen substructure Please ensure that the substructure complies with the permitted clearance 7 4 3 Avoidan...

Page 30: ...leo solar normally delivers its modules with firmly installed junction boxes and flexible connection cables with pre installed connectors and sockets NOTICE Avoid tensile as well as pressure loads on...

Page 31: ...5 11 1 Parallel connection of module strings 8 5 String diodes 8 5 1 Interconnection Fig 15 Interconnection of string diodes diagram 8 5 2 Installation String diodes often come ready made and equippe...

Page 32: ...serve the following informa tion with respect to protective potential equalisation When clamping to the long side protective potential equalisation can be achieved together with the clamping see Ch 8...

Page 33: ...e narrow sides or for lay in systems only earthing holes should be used Fig 20 Earthing symbol The diameter of the earthing holes is 4 36 mm the frame thickness is 2 5 mm Use suitable self cutting bol...

Page 34: ...that extend outside of the module frames Attach all clamps to a module symmetrically so that all clamps are the same distance from the nearest module corner Any exceptions to this rule will be explici...

Page 35: ...far as the mounting hole it is possible to position the clamp so that its edge sits at the level of the mounting hole Fig 29 Permissible clamping at the mounting hole e Mounting hole on the module re...

Page 36: ...it into three levels Load level Permissible pressure Load level I 2400 Pa equivalent to approx 240 kg m Load level II 3900 Pa equivalent to approx 390 kg m Load level III 5400 Pa equivalent to approx...

Page 37: ...leo aleo solar Deutschland GmbH Osterstra e 15 26122 Oldenburg Germany service aleo solar com installation instructions Edition 01 2012 en GB Intl 120508b Page 37 60 This page intentionally left blank...

Page 38: ...system lay in system lay in system pressure load level I pressure load level II short module side h v option 1 option 2 asymmetrical clamping up to 2400 Pa approx 240 kg m up to 3900 Pa approx 390 kg...

Page 39: ...system lay in system lay in system pressure load level III option 1 option 2 asymmetrical clamping up to 5400 Pa approx 540 kg m H 45 mm H 45 mm short module side h v short side h v long side h v GID...

Page 40: ...lay in system lay in system pressure load level I pressure load level II option 1 option 2 asymmetrical clamping up to 2400 Pa approx 240 kg m up to 3900 Pa approx 390 kg m short module side h v shor...

Page 41: ...ay in system lay in system pressure load level III option 1 option 2 asymmetrical clamping up to 5400 Pa approx 540 kg m H 45 mm H 45 mm short module side h v short side h v long side h v GID AS029d e...

Page 42: ...stem lay in system pressure load level I pressure load level II option 1 option 2 asymmetrical clamping up to 2400 Pa approx 240 kg m up to 3900 Pa approx 390 kg m short module side h v short side h v...

Page 43: ...clamping system lay in system lay in system pressure load level III option 1 option 2 asymmetrical clamping up to 5400 Pa approx 540 kg m H 45 mm H 45 mm long module side horizontal vertical short mo...

Page 44: ...uses check up on the module string plan12 check of the inverter status messages check of the annual yield creation and archiving of the inspection report Please clean the corresponding components as n...

Page 45: ...s possible Please also note the guidelines regarding fires in electrical systems 15 13 Purpose prevents loose covers from going unidentified and potentially falling off For very difficult to access co...

Page 46: ...epair work as quickly as possible Before carrying out maintenance work on aleo modules switch off the current of the module string or if necessary the entire generator Please observe the warnings and...

Page 47: ...household waste 11 2 Taking Back Scheme aleo solar is a member of the PV Cycle Association A I S B L The members of PV Cycle have setup a voluntary return and recycling programme for solar modules wi...

Page 48: ...um AM 1 5 global Cell temperature 25 C NOTICE Under special circumstances aleo modules may generate higher voltages or currents than under the STC e g in the event of strong solar irradiation low ambi...

Page 49: ...ing rod ventilation pipe can be illustrated as follows Fig 32 Shadow cast by a cylindrical object diagram UM deepest shadow umbra PE half shadow penumbra dS diameter of the sun aS distance from the su...

Page 50: ...the sun aK distance from the edge hPE height of the half shadow The height of the half shadow zone hPE to a horizontally running edge in the line of sight with clearance aK has the same ratio as the r...

Page 51: ...lowly The lower edge of the shadow is therefore at its maximum height and can strike parts of the photovoltaic generator for long periods The shadow cast by edges located at a distance in a horizon ta...

Page 52: ...ing cables in loops e g the cables between two connected modules keep the diameter of the loops as small as possible In doing so please observe the smallest per missible bending radius of the cables I...

Page 53: ...pling effect greater coupling effect C 3 Laying the return circuit If for example you begin by connecting the module string to the positive pole coming from the building then where possible lay the ne...

Page 54: ...g 45 Return circuit paths to be avoided diagram Continuous line series connection of the modules with the positive pole of the module string dotted line return circuit at the negative pole of the modu...

Page 55: ...osphere This corresponds to the height of the midday sun at the time of the equinox at a location with a latitude of 41 8 MPP Maximum Power Point The operating point at which the maximum output can be...

Page 56: ...fulfils an important safety function during the installation and maintenance of a photovoltaic gene rator MPP tracker Part of a photovoltaic system which ensures that even with varying irradiation le...

Page 57: ...nt string fuse 22 Direct current string fuses 22 Disassembly 47 Disclaimer 2 Disposal 47 Dust levels high 46 E Earthing 32 Electric arcs danger through 10 25 Elevation 11 Elevation minimum 11 Elevatio...

Page 58: ...lation visually attractive 28 Roof types 13 Roofs with a fire hardened surface 13 S Safety information 4 Salt spray resistance 10 Sealing avoidance of 29 Seawater 10 Shading effects 11 Short circuiter...

Page 59: ...gen f r Bauleistungen ATV Blitzschutzanlagen German Construction Contract Procedures part C general technical contract conditions for construction work ATV lightning protection systems 13 DIN EN 1991...

Page 60: ...technical connection requirements 38 VDE 0603 Teil 1 Installationskleinverteiler und Z hlerpl tze AC 400 V Teil 1 Installationskleinverteiler und Z hlerpl tze Part 1 Consumer units and meter panels AC...

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