4Safety Requirements 7
The current measurement input may only be attached to a limited source of direct current
(photovoltaic generator) with at most 20A (40A with PVPM2540C and PVPM1000C40)! The
connection of other sources can lead to demolition of the device and to danger of life!
For security reasons only qualified personal must establish the cable connection between
the PV generator and the PVPM security switch! The measurement should be carried out
or accompanied by qualified personal. Additional qualifications and laws (e.g. VDE 0100)
have to be observed, otherwise high currents and voltages involve danger of life!
The PVPM and all devices being part of it may be opened and repaired by authorized
qualified personal only. Before opening a case every cable connection must be
disconnected! Keep in mind that even with disconnected cables the may reside
dangerous high voltage inside the case!
The solar generator can generate very high tensions and currents, which can affect your
health when you do not handle with care!
!! VERY IMPORTANT !!
Never plug in or remove the cable connectors between solar generator and PVPM
before the solar generator is deactivated! A security switch added to the
measurement line allows the simultaneous disconnection and the safe connection
of measuring wires to the PVPM.
The PVPM will make a short circuit during measurement or due to wrong polarization, and
when you tear of a cable under this condition, a light arc can arise and can cause serious
damage to health and material! After the generator is deactivated you can remove the
cable connection without harm.
Operation manual for PVPM devices PV-Engineering GmbH
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