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4.1
Regulations and notes
In case of electrical connections in a potentially explosive area, it is necessary
to comply with the relevant specifications.
The electrical connection must only be carried out by qualified personnel.
The choice of cable, the installation and the electrical connection must
conform to the requirements of VDE 0100 "Regulations on the Installation
of Power Circuits with Nominal Voltages below 1000 V" or the appropriate
local regulations.
If contact with live parts is possible while working on the instrument, it must
be completely disconnected from the electrical supply.
Earth the instrument at the PE terminal to the protective earth conductor.
This cable must have at least the same cross-section as used for the supply
cables. Earthing cables must be wired in a star configuration to a common
earth point that is connected to the protective earth conductor of the
electrical supply. Do not loop earthing cables, i.e. do not run them from one
instrument to another.
Apart from faulty installation, incorrect settings on the thermostat can also
affect the proper functioning of the subsequent process or lead to damage.
Setting up must therefore be restricted to qualified personnel. Please
observe the relevant safety regulations for such matters.
4 Installation
15
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