Danger of death from electric shock!
Solar modules generate electricity as soon as they are exposed
to light. One module on its own is below the safety extra low
volt level, but multiple modules connected in series (summing
the voltage) or in parallel (summing the current) represent a
danger. The following points must be observed when handling
the solar modules to avoid the risk of fire, sparking and fatal
electric shock.
• Do not insert electrically conducting parts into the plugs
or sockets!
• Do not fit solar modules and wiring with wet plugs and
sockets
• Exercise utmost caution when carrying out work on wiring
and safety equipment (use insulated tools, insulated gloves,
etc.)
• Do not use damaged modules!
• Do not dismantle modules!
• Do not mark on the rear of the module using sharp objects!
• Exercise utmost caution when working on wiring and the
inverter. Be sure carefully to follow manufacture’s installation
instructions!
Danger of death from arcing
Modules generate direct current when light shines on them.
An arc may be produced when connections are separated.
We therefore recommended covering modules with a lightproof
cloth during installation. When breaking a connected string
of modules (e.g. when disconnecting the DC line from
the inverter under load), a lethally strong arc can occur:
• Never disconnect the solar generator from the inverter
while the inverter is connected to the mains grid - remove
the fuse from the AC side on the inverter first!
• Ensure cable connections in perfect condition (no splitting,
soiling or other contamination)!
Unpacking the modules and storage
The utmost care is required when handling the modules. Be
careful when unpacking, transporting, and storing the modules:
• Transport modules in an upright position.
• Carry modules with both hands. Do not use the connection
socket as a handle.
• Ensure modules do not bow under their own weight.
• Do not place modules on top of each other.
• Do not subject to load, do not stand on them.
• Do not mark using sharp implements.
• Keep all electrical contacts clean and dry.
If it is necessary to store the modules temporarily, a dry,
ventilated room should be used.
General safety information
Ensure that the module is used only in applications for which
it is suitable (see “Installing the modules”). All work on a PV sys-
tem (installation, setup, maintenance, repairs) must be carried
out only by appropriately qualified and authorized persons.
The appropriate DIN standards, construction rules and safety
instructions are to be followed for installation.
Installing the modules
When installing the modules, please pay
attention to:
Keeping within the maximum permitted load
The maximum load on the module must not exceed 2.4kN/
m2.To avoid exceeding the maximum load, site-specific live
loads such as wind and snow should taken into account.
Environmental conditions
The module is intended for use in temperate climatic conditions.
The module is “non-explosion-protected equipment”. Hence it
must not be installed in the proximity of highly inflammable
gases and vapours (e.g. filling stations, gas containers,
paint equipment). The module must not be installed near to
naked flames or flammable materials. Do not expose modules
to concentrated light sources. It must not be immersed in water
or constantly exposed to water (e.g. from fountains). If there is
exposure to salt (it is recommended that modules are installed
at least 500m from the sea) and sulphur (sulphur sources,
volcanoes), there is a risk of corrosion.
Requirements of installation
Make sure the modules’ electrical performances in a system
are the same. When connected in series, modules must all have
the same amperage. When connected in parallel, the modules
must all have the same voltage. Connect the quantity of modules
that match the voltage specifications of the devices used
in the system. The modules must not be connected together to
create a voltage higher than the permitted system voltage.
To minimize risk in the event of an indirect lightning strike avoid
forming loops when designing the system. Modules must not
be fitted as overhead glazing. Ensure that the mounting system
can also withstand the anticipated wind and snow loads. Precipi-
tation can run off through small openings on the back side
of the module. Make sure that the openings are not masked
after mounting.
Optimum orientation and tilt
To achieve the maximum annual yield figure out what the optimum
orientation and tilt of the PV modules is. If sunlight shines
vertical onto the PV modules you have the best conditions to
generate maximum power.
Avoid overshadowing
Even the slightest partial shading (e.g. from dirt deposits) will
cause a reduction in yield. A module is considered “shadowfree”
if it is unobscured across its entire surface for the whole
year and even on the shortest day of the year unobstructed
sunlight can reach the module.
Reliable ventilation
Functioning ventilation prevents the build-up of heat, which
would reduce performance.
Carefully read through these installation instructions before installing, operating or servicing PV
system. Failure to follow these instructions may result in bodily injury or damage to property.
Keep these instructions! Working on a PV system (installation, setup, maintenance, repairs)
must be carried out by qualified and authorized persons.
Installation
guide
Summary of Contents for EX P-48 Series
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