Instruction manual - English - EN
3MNVCNTW_1811_EN
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!
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 specications.
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.
3 Safety rules
CAUTION! Device installation and
maintaining must be performed by
specialist technical sta only.
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 (dierential) and the
overcurrent (magnetothermal).
• The manufacturer declines all responsibility
for any damage caused by an improper use
of the appliances mentioned in this manual.
Furthermore, the manufacturer reserves the right
to modify its contents without any prior notice.
The documentation contained in this manual has
been collected and veried with great care. The
manufacturer, however, cannot take any liability
for its use. The same thing can be said for any
person or company involved in the creation and
production of this manual.
• Before starting any operation, make sure the
power supply is disconnected.
• Be careful not to use cables that seem worn or old.
• Never, under any circumstances, make any
changes or connections that are not shown in
this handbook. Improper use of the appliance
can cause serious hazards, risking the safety of
personnel and of the installation.
• Use only original spare parts. Non-original spare
parts could cause re, electrical discharge or other
hazards.
• Before proceeding with installation, check the
supplied material to make sure it corresponds
to the order specication by examining the
identication labels (4.2 Product marking, page 4).
• Equipment intended for installation in Restricted
Access Location performed by specialist technical
sta.
