Responsibilities - VOLTWERK VC 200 Instrucciones De Servicio

2.2.2
Transformerless central inverter

Responsibilities

The electrician must ensure that:
the general information, step-by-step instructions and, in particular,
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the safety instructions regarding assembly and installation are read in
their entirety before commissioning and before closing the
disconnectors, and are followed at all times;
safety devices are neither removed nor taken out of operation;
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the safety devices and warning instructions on the device are used/
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observed;
all external and internal disconnectors are opened before commencing
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work on electrical components;
before any electrical work is performed, suitable measuring equipment
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is used to ensure that the device is fully deengergised, both in the DC
and AC settings, in accordance with applicable directives. Please note:
The power source of the photovoltaic system is always active
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during daylight;
measurements are only taken with suitable measuring equipment
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which conform to applicable standards and directives. Before carrying
out the measurement, read the Operating manual for the measuring
equipment;
all safety covers are fitted. The safety covers serve the dual purposes
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of safety and ventilation. They guide the air into and distribute it around
the device;
the device is never opened during operation;
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the device is secured by means of a built-in lock and may only be
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opened using the key supplied with the device;
inserted connecting cables are adequately secured by cable strain
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relief (attached to a cable mounting rail). Connecting cables which are
not strain-relieved may be damaged or completely pulled out, causing
personal injury or material damage;
the external low-voltage distribution board is capable of switching off
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the combined currents of all central inverters which have been
connected;
before the device is commissioned, the DC circuit breaker is adjusted
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in line with the permissible DC current;
the device is switched off before a medium voltage transformer is
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switched off.
Operating manual
2 Safety
9