Solibro SL2 Manuale utente

Solibro Solar Modules SL2 and SL2-F

from the Generation 1.4

INSTALLATION AND OPERATION MANUAL

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE GEnERatIon G1.4

1 INTRODUCTION 3

2 PLANNING 4

2.1 Technical data 4

2.2 Requirements 5

2.3 Mounting variants 7

2.4 Electrical layout 8

3 INSTALLATION 9

3.1 Safety and transport 9

3.2 Preparation for installation 11

3.3 Module installation 12

4 ELECTRICAL CONNECTION 13

4.1 Safety 13

4.2 Safety during electrical installation work 14

4.3 Module connection 15

4.4 After the installation 16

5 GROUNDING 17

5.1 Specicationsforfunctionalgrounding 17

5.2 Functional grounding 17

5.3 Potential equalization frame 17

6 CLEANING AND MAINTENANCE 18

7 FAULTS 19

8 RECYCLING 19

8 ADDITIONAL INFORMATION 19

DOCUMENTREVISION 6

This document is valid from April 2015 for the following product ranges:

SL2 and SL2-F solar modules from the product generation G1.4.

Changes to the technical parameters and design reserved. The data sheets and customer information current at the point in time at which the relevant module was manufactured apply

for the carrying out of installation, mounting or maintenance work on the solar modules.

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE G1.4 GEnERatIon

1 INTRODUCTION

Validcountry-speciclaws,regulationsandrequirementsfor

planning, installation and operation of solar power plants and

working on the roof.

Valid international, national and regional regulations, in par-

ticular regarding the installation of electrical equipment and

systems, on working with direct current and regulations of the

responsible energy supply company regarding parallel opera-

tion of solar power plants.

Accident prevention regulations.

Regulations of the Bau-Berufsgenossenschaft (employers' li-

ability insurance association) (e.g use of insulated and dry

tools).

Never use light concentrators (e.g. lenses) to increase the

output of the module. The module may be damaged as a

result.

PERSONNEL QUALIFICATIONS

The operator and installer are responsible for ensuring that the in-

stallation, maintenance, repair and dismantling work

is only carried out by trained specialists.

VALIDITY

This manual only applies for solar modules from Solibro GmbH.

Solibro assumes no liability for damage resulting from failure to

observe these instructions.

¼Note the wiring and dimensioning of the system.

¼The observance of all necessary safety regulations when

laying out and installing the system are the responsibility of

the installer of the system.

This manual does not form a legal responsibility on the part of

Solibro. Solibro only accepts liability within the realms of the con-

tractual agreements or in the context of accepted guarantees.

Solibro accepts no responsibility beyond the correct function and

safety of the modules.

¼The manuals for the other system components must also be

complied with.

¼Ifyourquestionsarenotansweredinsufcientdetailinthis

manual, please contact your system supplier or our Product

Serviceintherstinstance.

Further information is available on our website

www.solibro-solar.com

APPLICABLE DOCUMENTS

This installation manual is only valid in conjunction with the follow-

ing technical information.

DOCUMENT TYPE

Product data sheet

Approved clamps list

Packaging and transport of CIGS modules

Solar modules from Solibro GmbH (referred to below as Solibro)

allow you to directly transform the unlimited energy provided by

the sun into environmentally friendly electrical energy. To ensure

that you can use the full potential of the Solibro solar modules,

read the following manual carefully and follow the instructions.

Failure to follow the instructions in this manual will make the war-

ranty null and void and can result in injuries and material damage.

This installation manual outlines the process for installing CIGS

solar modules safely.

¼Read this installation manual carefully before carrying out the

installation.

¼Retain the installation manual for the usage life of the solar

modules.

¼Ensure that the operator has access to the installation manual

at all times.

¼Pass the installation manual on to each subsequent owner or

user of the solar modules.

¼Add any additions received from the manufacturer.

¼Comply with any applicable documents.

INTENDED USE

These instructions provide information concerning safety in

dealing with

the CIGS quality solar module from Solibro GmbH, as well as in-

structions for installation, mounting, wiring and maintenance.

The manual is valid for SOLIBRO solar modules:

SL2

SL2-F

from the generation 1.4.

SYMBOLS AND LABELS

Symbols and labels are used in this installation manual to make

the instructions quick and easy to understand.

SYMBOLS DESCRIPTION

¼Action with one step or with multiple steps.

▪List

Ensure when carrying out an action, check the result of

an action.

Action is not

permitted.

SAFETY REGULATIONS

The operator of the solar module is responsible for ensuring that

all relevant legal regulations and directives are complied with.

¼Solar modules should only be commissioned, operated and

maintained in accordance with the following regulations and

standards:

Installation and assembly manual.

Applicabledocuments(country-specicregulationsonpres-

sure equipment, operational safety, hazardous material and

environmental protection).

Plant-specicregulationsandrequirements.

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE GEnERatIon G1.4

2 PLANNING

Fig. 1: External dimensions (in mm) and components for SL2 and SL2-F

Fig. 2: Module label SL2 & SL2-F

SL2 SL2-F

Components (rear view)

1Junction box | 2Module label | 3Connection cables | 4Connectors (+ and -)

5Grounding points (SL2-F only) | 6Drainage holes (SL2-F only) | 7 Frame (SL2-F only)

2.1 TECHNICAL DATA

PRODUCT LINE SL2 SL2-F

Type unframed framed

Area [m²] 0.94 0.95

Weight [kg] 16.5 18.1

Max. system voltage Vsys [V] 1000 1000

Max. reverse current loading capability lR[A] 4 4

Junction box Protection class IP 65 with bypass diode Protection class IP 65 with bypass diode

Connector Multi-contact MC4 (protected against accidental contact, protected against polarity reversal, UV- and

weather-resistant from -40 °C to +90°C, designed for 1000 V DC and 22 A)

Flammability rating C C

Snow load [Pa] 2400 2400

Wind load [Pa] 2400 2400

Certicates CE; IEC 61646 (Ed. 2); IEC 61730 (Ed. 1) Application

class A; MCS, UL 1703 (CSA), Golden Sun (CGC)

CE; IEC 61646 (Ed. 2); IEC 61730 (Ed. 1)

Application class A; MCS, UL 1703 (CSA)

53.5

65.5

53.5

65.5

2±1

7.3±0.5

–1

796.1

231±4

789.5 –1

228±4

1190 –1

1196.6 -1

±1

+30

855 –0

+30

735 –0

+30

855 –0

+30

735 –0

7.3±0.5

22.3±0.5

6 6

5 5

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE G1.4 GEnERatIon

2.2 REQUIREMENTS

Installation location

Comply with the following notes on the installation location:

The modules are tested in accordance with IEC 61646, 61730

and UL 1703 for safe use in a moderate climate.

Modules are not explosion-proof devices.

¼Donotoperatethemodulesnearhighlyammablegasesand

vapours (e.g. gas containers, petrol stations).

¼Do not subject the modules to severe chemical stresses.

¼Do not position the modules in standing water.

¼The junction box only has splash protection (IP 65).

¼Do not install the modules in closed rooms.

¼Do not install the modules in places where backwater can

form.

¼The modules are not suitable for mobile use.

¼Roof-integrated installation (BIPV) is not permitted.

Limitations

The modules are designed for the following applications:

Operating temperatures of –40 °C to +85 °C

(–40 °F to +185 °F).

Wind and snow loads up to max. 2400 Pa (in accordance with

test according to IEC 61646).

Requirements on the mounting frame

The mounting frame:

fullstherequiredstatic.

fullsthelocalsnowandwindloads.

enablescorrectxingintheground,ontherooforonthe

façade.

transfers forces applied on the module to the substructure.

ensuressufcientbackventilationofthemodule.

in combination with a suitable clamp, enables stress-free,

temperature-dependent expansion and contraction of the

module and the substructure.

has electrochemical properties, which prevent corrosion

between different metals.

¼The clamps and rail system must be compatible.

¼Ensure that no mechanical stresses (e.g. due to vibrations,

rotations or expansions) are generated on the module.

NOTE!

Ensure that the substructure is de-energized / is on ground po-

tential(R≤10Ohm).

¼For further notes, see Chapter 3

2 PLANNING

Requirements on the module orientation

Installation in landscape or portrait possible.

Installation with the junction box in the top section of the

module. The connection cables hang down.

The optimal inclination angle of the module depends on the

latitude.

¼Do not seal up the drainage openings.

¼Ensure that rainwater and snowmelt can run off freely. No

backwater formation.

Comply with the permissible inclination angle.

Minimum inclination angle: 3°

Maximum inclination angle: 75°

> 20°: Self-cleaning effect.

75°

3°

Fire Protection

Observeregulationsandsafetyinstructionsforthereprotec-

tionclassicationforrooftopinstallations.Themoduleisrated

toreprotectionclassC.Thereratingofthismoduleisvalid

onlywhenmountedinthemannerspeciedinthemechani-

cal mounting instructions. To maintain this rating, the module

assemblyistobemountedoverare-resistantroofcovering

speciedfortheapplication.

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE GEnERatIon G1.4

Requirements on the clamping system for unframed modules

Only clamp systems approved by Solibro may be installed. The list

of all approved clamps is available at

www.solibro-solar.com.

On request, Solibro will test clamp systems and approve them fol-

lowing successful testing.

¼Clamps made from metal must not be connected directly with

the glass.

¼Use a suitable silicone oil free rubber mat between the

module and substructure or clamp.

¼Ensure that the rubber mat is in place completely and does

not slip.

¼Clampwidth:≥120mm.

¼Adapt the clamp height to the module thickness.

¼Clamps must not throw a shadow on the active cells.

Distancefromtheglassedgetotherstactivecell

amounts to 16.5 mm (Fig. 3).

¼Comply with the glass inset (Fig. 3):

10–15 mm on the top side of the module

12–16 mm on the bottom side of the module

¼Comply with the side clearance between the edge of the glass

and the inner side of the clamps:

> 1 mm at 25 °C for thermal expansion of the module (Fig. 3)

Ensure that the screw connection does not apply any

additional tension to the module. The modules must be

positionedstrainless,oat-mounted.

¼See applicable documents "Approved clamps list"

¼See Fig. 3 Clamping unframed module

Fig.3

Clearances of the clamp to the module

10–15

12-16

16,5

7,3 ± 0,5

> 1







Clamp (schematic) Glass (module bottom side)

Rubber Active surface

Glass (module top side)

Requirements on the clamping system for framed modules

When using framed Solibro products, it is important to ensure

that there is no potential difference between frame and ground.

There are two options available for this:

Option 1: Usage of grounding clamps with grounding function

speciedintheapprovedSolibroclampslist.

Option 2: Potential equalization of the module must be done via

one of the grounding holes on the module frame. Usage of mar-

ket-basedclampsisvalidiftheyfullthefollwingrequirements:

Clamp height corresponding to 30 mm frame height.

Clamp depth: 7–12 mm.

Clampswhichfullthestaticrequirementsofthelocation.

Clampswithlong-termstability,whichxthemodulesecurely

on the mounting frame.

Clamps do not deform the frame.

Minimumwidthmiddleclamp:≥40mm

Minimumwidthendclamp:≥35mm

¼See applicable documents "Approved clamps list"

¼See also information on potential equalization in Chap. 5.3

Fig.4 Frameprole









7–12





Clamp Glass (module top side)

Clamp depth Glass (module bottom side)

Module frame Active surface

2 PLANNING

All measurements in mm.

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE G1.4 GEnERatIon

2.3 MOUNTING OPTIONS

Approved clamp areas and mounting options for the solar modules

(topview).Dimensionsinmm.Thespecieddimensionsreferto

the clearance between the module edge and the middle of the

clamp. The illustrated mounting variants apply for installation in

portrait and landscape format.

Unframed modules

The module can bend by up to 15 mm under maximum load. The

glass must not contact the subconstruction. The listed mounting

options are valid for point module mounting only.

Framed modules

The listed mounting variants are valid for point module mounting

and linear module mounting. For the usage of an expanded clam-

ping area a special release is required.

2 PLANNING

Clamping at long side,

perpendiculartoprole

Clamping at long side,

longitudinaltoprole

Clamping area Substructure

240 ±25

Clamping at long side Clamping at transverse side

Clamping area

>60

Variable clamping distance

of 700 - 950 mm

>60

<170

>60

<170

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE GEnERatIon G1.4

2 PLANNING

2.4 ELECTRICAL LAYOUT

Requirements on the system

You can nd the detailed electrical parameters in the product

data sheet.

¼Only connect modules of the same type and the same power

class.

¼The voltage limitation of the inverter must also be taken into

account in the layout of the string length.

Safety factor

During normal operation, the module may provide a greater

current and/or a higher voltage than that determined under stan-

dardized test conditions. A safety factor of 1.25 for ISC and VOC

should therefore be applied when:

determining the voltage rated values of the components

used,

determining the current rated values of the cables, the size of

the fuses and dimensioning the controls.

¼The relevant applicable national regulations for the installati-

on of electrical systems should be applied.

Series connection

Serial connection of the modules is only permitted up to the

maximumsystemvoltagespeciedinthecurrentvaliddatasheet.

Carry out the layout taking into account all working conditions

andrelevanttechnicalspecicationsandstandards.Thiswill

help you ensure that the maximum system voltage, including

the necessary safety margins, is not exceeded.

Please note that the voltage of our CIGS solar modules can

increase slightly after extended periods of solar radiation

due to the light-soaking effect. A safety factor of +2.5 % must

therefore be taken into account in the system layout for VOC

and VMPP.

Parallel connection

¼Only connect modules of the same type and power class.

¼Do not exceed the maximum permissible reverse current as

given in the respective data sheet. In the event of reverse cur-

rents (caused by module defects, ground leakage or shading),

modules can be placed under strain.

In order to safely account for reverse currents, we recommend the

following fuse variants:

Layout with limit on the number of strings operated in parallel

Without further measures for current limitation, only a maximum

of 2 strings of modules may be operated parallel on an inverter.

Layout with string diodes

When more than 2 strings are connected parallel, a maximum of

2 strings respectively must be protected against reverse currents

from the remaining system with a shared string diode.

Layout with string fuses

In this case, each string of modules must be protected with 4 A on

the plus and minus side.

NOTE!

When installing modules from different product revisions, observe

the minimum permitted reverse current loading capability.

Inverter

Solibro modules can be operated with inverters where the ne-

gative generator pole must be grounded or its potential curve is

always positive.

NOTE!

FurtherinformationisavailableinChapter5.1Specicationsfor

functional grounding.

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE G1.4 GEnERatIon

3 INSTALLATION

3.1 SAFETY AND TRANSPORT

Leave the modules in the original packaging

right up until installation.

Store the modules securely in dry rooms. The

packaging is not weatherproof!

DANGER! Danger due to electric shock!

¼Cover the modules with lightproof material for the

duration of the installation.

DANGER! Danger due to electric shock!

¼Do not install damaged modules.

¼Report any damage to your dealer immediately.

¼Ensure that the personnel are familiar and

comply with the accident prevention and safety

regulations.

¼Check the packaging for damage.

¼If the packaging is damaged, contact the shipping

company.

¼Follow the packaging instructions.

InstallatIon and oPERatIon ManUal FoR sl2 solaR ModUlEs oF tHE GEnERatIon G1.4

NOTE! Damage to the modules!

¼Never stand on the modules.

¼Do not apply mechanical stress to the modules.

¼Do not drop objects on the modules.

NOTE! Damage to the modules!

¼Never lift or move the modules by the connec-

tion cables or the junction box.

NOTE! Damage to the modules!

¼Do not stack the modules.

NOTE! Damage to the modules!

¼Do not drop the modules.

3 INSTALLATION

Note! Damage to the modules!

¼Use glass suction cups to remove and trans-

port modules.

¼Carry the modules vertically.

NOTE! Damage to the modules!

¼Do not put unframed modules down on their

edges without protection.

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