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Protect PV.630 Operating Instructions
14 of 72 8000047961 BAL
All necessary operational measures must be initiated prior to
deactivating any safety device in order to perform mainte-
nance, repair or any other work on the unit.
Safety awareness also entails informing colleagues of any unsuit-
able behaviour and reporting any faults detected to the appropriate
authority or person.
The member of personnel responsible for the equipment must
ensure that:
The safety instructions and operating instructions are readily
available and are complied with
The operating conditions and technical data are observed
Safety devices are used
The prescribed maintenance work is performed
Maintenance personnel are informed without delay or the
equipment is shut down immediately in the event of abnormal
voltages or noise, high temperatures, vibrations or any similar
phenomena, so that the cause of this can be determined
2.5 Particular Dangers associated with Photovoltaic Systems
Here you will find information about the additional dangers associ-
ated with photovoltaic systems.
An active power source is connected. Depending on the operating
status, the PV cells and the equipment may be live.
Contact with voltage! Extremely high DC voltages of
up to 1000 VDC are present.
Risk to life due to electric shock.
Do not touch live parts.
Wear personal protective equipment ( Chapter
2.2.3).
Crystalline silicon cells
Crystalline PV cells (silicon cells) usually have an IT system
configuration, i.e. a non-earthed system that will be inadvertently
earthed in the event of an earth fault.
A generator with a complex branched structure can only be shut
down with a great deal of difficulty (in the event of a short circuit,
for example).
Thin-film cells
To prevent corrosion, thin-film cells must be earthed.
Lightning protection
The desired level of protection can only be achieved if a lightning
protection zone concept has been implemented for the building
where the unit is to be installed, in accordance with DIN VDE
0185-4.
DANGER