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AVANCIS SKALA PHOTOVOLTAIC MODULES
SAFETY, INSTALLATION AND OPERATION MANUAL
Fire Safety
• Follow the local guidelines, codes and
requirements for fire safety.
• The installation of a PV system on a build-
ing may affect fire safety of the building.
• For roof application, the PV system must
be mounted over a fire-resistant roof
covering rated for this application.
• Do not install or use the PV modules
near hazardous locations where flamma-
ble gases or vapors can be generated or
collected.
• PV modules mounted on buildings will
continue to produce hazardous DC volt-
age in case of a fire, even in the follow-
ing cases:
» low-light intensity
» disconnected line between PV modules
and inverter
» partly or entirely damaged modules
» damaged DC cabling.
• Stay away from the PV system during
and after a fire.
• Inform the fire fighters about the partic-
ular hazards from the PV system.
• After the fire, have your installer bring
the PV system in a safe mode (if possi-
ble).
• The fire rating of this module (as stated
in the technical data sheet) is valid only
when mounted in the manner specified
in the mechanical mounting instructions.
Mechanical Installation
• Depending on the installation, appropri-
ate measures should be taken to prevent
any water, dirt or other substances from
accumulating on the module.
• Landscape and portrait mounting of the
modules in different directions is allowed.
All modules should be mounted in one
direction to achieve a unique appealing
surface. This means that the module la-
bels on the backsides are pointing to the
same side.
• To prevent staining of the modules
during long-term operation, it is recom-
mended to fully remove the adhesive
that holds the cables to the rear glass
before commissioning.
• The PV modules must be securely fas-
tened to a mounting structure which
follows the local building law regulations
and which is suitable for PV applications
and the local maximum wind and snow
loads. Follow the instructions of the re-
spective supplier.
• The back rails of the modules shall only
be installed onto a sufficiently stable
mounting structure, that can perma-
nently guarantee a fastening torque of
20 Nm for the SMART clamps. Wooden
mounting structures typically do not ful-
fill this condition.
• Ensure that modules are not subjected to
wind or snow loads in excess of the maxi-
mum permissible loads as specified in the
applicable technical data sheet.
14
©2021 | AVANCIS GmbH | Solarstraße 3 | 04860 Torgau | Germany | service@avancis.de | www.skalafacade.com | February 2021
• Ensure that the modules are not subject-
ed to excessive forces due to thermal ex-
pansion of the support structure.
• During installation and operation, the
support structure must not cause exces-
sive bending or twisting of the module.
All four mounting points must be within
the same plane. To minimize mechanical
stress on the modules, the maximum
deviation of each of the four mounting
points from the plane shall be less than
1 mm.
• Provide adequate rear ventilation behind
a PV module for cooling and dissipation
of condensation or moisture.
• When mounted, clearance of a mini-
mum of 5 mm between the modules is
required to allow for thermal expansion
of the modules.
• With the exception of the back rails, all
other parts of the modules must always
be kept free from any structural ele-
ments that can come into contact with
the module and cause damage.
• Do not drill any additional holes in the
back rails. Doing so could compromise
the mechanical integrity of the module
and/or cause electrical hazards or corro-
sion.
• AVANCIS requires that the PV modules
are mounted using the four mounting
areas located on the back rails (marked
in gray in figures 3, 5 and 6).
• The modules' glass edges are sensitive to
impact. Avoid contact with other mod-
ules, tools, etc.
• According to IEC 61215, AVANCIS PV
modules are certified for a positive de-
sign load of up to 3400 Pa, and a nega-
tive design load of up to 1600 Pa, with a
safety factor of 1.5.
#
Electrical Installation
• PV modules of different configurations
and different nominal power ratings
must not be used in the same PV array,
unless the inverters and/or system com-
ponents are specified for this.
• The modules are factory-equipped with
electrical cables and connectors for easy
interconnection in series.
• Use the same type of connectors for
connecting the PV modules. In case con-
nectors of different manufacturers are to
be paired, the connection should be ap-
proved in writing by both manufacturers.
• User-supplied electrical cable extensions
might be required for connecting the
modules.
• Use applicable system wiring with suit-
able cross-sectional areas and connec-
tors that are approved for the maximum
reverse current of the PV module.
• Match the polarities of electrical cables
and terminals when making the connec-
tions; failure to do so may result in dam-
age to the module.
• Make sure that the PV system has appro-
priate lightning and over-voltage protec-
tion and follow all applicable regulations
(including those from insurance compa-
nies).
• Ensure that all electrical connections are
secure and tight.
• A bypass diode is integrated in one of
the two module junction boxes. This di-
ode is not user-replaceable. The junction
box must not be opened.
• The maximum number of PV modules
being connected in series must be cal-
culated in line with the applicable reg-
ulations in such a way that the speci-
fied maximum system voltage (V
the module and all other electrical DC
components will not be exceeded in
open-circuit operation, even at low tem-
peratures. If there are n modules, the fol-
lowing must apply: n*V
< V
oc
sys
• Functional grounding (grounding on the
DC side) is not mandatory for AVANCIS
PV modules. AVANCIS PV modules can
be operated with all common inverter
technologies which are designed for the
current and voltage ranges of strings of
AVANCIS modules.
• Not more than two PV modules or mod-
ule strings should be connected in paral-
lel without using appropriate string cur-
rent protection (otherwise the maximum
reverse current may be exceeded poten-
tially damaging the module.
Underwriters Laboratories Information
for USA:
• Refer to section 690-8 of the Nation-
al Electric Code (NEC) for an additional
multiplying factor of 125 % which may
be applicable.
• Under normal conditions, PV modules
are likely to experience conditions that
produce more current and/or voltage
than reported at Standard Test Condi-
tions. Accordingly, the values of I
V
marked on this module should be
oc
multiplied by a factor of 1.25 resp. 1.10
when determining component voltage
ratings, conductor capacities, fuse sizes
and size of controls connected to the PV
output.
# In case these values deviate from the values listed in the
applicable technical data sheet, the latter ones are valid.
) of
sys
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