1 About this manual
Before installing and using this unit, please read this
manual carefully. Be sure to keep it handy for later
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 quoted names of products or companies are
trademarks or registered trademarks.
MNTCMVXTHD_1606_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 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 circuit breaker must be
provided with protection against the fault
current towards the ground (differential)
and the overcurrent (magnetothermal).
CAUTION! TNV-1 installation type. The
installation is type TNV-1, do not connect it
to SELV circuits.
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! This device must be connected to
an earth conductor (protective earth). The
connection must be made only throught
the internal connection (J7, 8.4 Connector
board description, page 23 e 9.2.1
Connection of the power supply line, page
26).
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