1 about this manual, 1 typographical conventions, 2 notes on copyright and information on trademarks – Videotec NXPTZT User Manual
Page 7: 3 safety rules

Instruc
tions manual - English - EN
7
MNVCNXPTZT_1343_EN
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!
High level hazard.
Risk of electric shock. Disconnect the
power supply before proceeding with any
operation, unless indicated otherwise.
DANGER!
Mechanical hazard.
Risk of crushing or shearing.
DANGER!
Hot surface.
Avoid contact. Surfaces are hot and may
cause personal injury if touched.
WARNING!
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.
3 Safety rules
The electrical system to which the unit is
connected must be equipped with a 20A
max automatic bipolar circuit breaker.
This circuit breaker must be of the Listed
type. The minimum distance between the
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).
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 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.
If it is necessary to transport the device,
this should be done with great care. Abrupt
stops, bumps and violent impact could
damage the unit or injure the user.
• The device must be installed only and exclusively
by qualified technical personnel.
• Before any technical work on the appliance,
disconnect the power supply.
• Do not use power supply cables that seem worn
or old.