1 About this manual
Read all the documentation supplied carefully before
installing and using this unit. Keep the manual in a
convenient place for future reference.
1.1 Typographical conventions
DANGER!
Explosion hazard.
Read carefully to avoid danger of explosion.
DANGER!
High level hazard.
Risk of electric shock. Disconnect the
power supply before proceeding with any
operation, unless indicated otherwise.
CAUTION!
Medium level hazard.
This operation is very important for the
system to function properly. Please read
the procedure described very carefully and
carry it out as instructed.
INFO
Description of system specifications.
We recommend reading this part carefully
in order to understand the subsequent
stages.
2 Notes on copyright and
information on trademarks
The mentioned names of products or companies are
trademarks or registered trademarks.
MNVCMMX_1821_EN
3 Safety rules
CAUTION! The external equipotential
connections must be set up through the
eyelet on the outside of the product. Do not
use as a protective terminal.
Fig. 1
CAUTION! The functional earth of the
product must be connected to the earth
of the system to prevent accumulation of
electrostatic charges.
CAUTION! The electrical system to which the
unit is connected must be equipped with a
10A max automatic bipolar circuit breaker.
The minimum distance between the circuit
breaker contacts must be 3mm (0.1in). The
switch must be equipped with protection
against overcurrent (circuit breaker).
CAUTION! Device installation and
maintaining must be performed by
specialist technical staff only.
CAUTION! For continued protection against
risk of fire, replace only with same type and
rating of fuse. Fuses must be replaced only
by service personnel.
CAUTION! TNV-1 installation type. The
installation is type TNV-1, do not connect it
to SELV circuits.
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