How To Use These Instructions; Residual Risks - Tecnosystemi HI-TECH PUR 4.0 User Manual

2.6 HOW TO USE THESE INSTRUCTIONS

The instructions are an integral part of the machine.
Before any operation on the machine, users or operators are required to consult the instructions and to do so also
in the event of uncertainty regarding transportation, handling, installation, maintenance, use and dismantling of
the machine.
To guarantee maximum safety during operations, these instructions contain graphic symbols which draw the
attention of operators and users to specific procedures to be performed in a safe manner, as described in the
following paragraphs.

2.7 RESIDUAL RISKS

Residual risk identifies all the dangers that cannot be fully reduced through design and protection techniques, or
potential danger that is not evident.
This manual indicates every operation that can generate a risk situation in addition to the precautionary measures
to be observed on a case-by-case basis
• All the units are equipped with pictograms with danger warnings.
• The units are safe machines, provided that the safety protections are not tampered with or removed.
• Technical preparation and observance of the procedures illustrated in this manual and of the signs affixed to
the critical points of the unit in any case allow safe operation.
• During installation, commissioning, use and maintenance of the control units, the following safety standards
must be observed:
ATTENTION
This manual indicates every operation that can generate a risk situation in addition to the precautionary measures to
be observed on a case-by-case basis.
• Do not operate the unit without it and its electrical components having been connected to the
building's earthing system;
• Do not operate the unit without the fan mouth having been connected to a duct or protected with
an accident prevention mesh;
• Do not use the unit as a prop for other machinery;
• Do not use the unit as a walkway;
• Do not use the unit for equipment storage;
• Do not open the inspection panels with the fan running, especially in the pressurised sections;
• Do not leave the inspection panels partially closed; make sure that all the handles or knobs are
perfectly closed;
• Wear personal protection equipment before working on the unit;
• Before accessing the unit, make sure that all the electrical utilities have been cut off. In particular,
before opening the inspection panels, make sure that the fan is off and that it cannot be turned on
again without the knowledge of whoever is working on the unit;
• Before starting the fan, always reassemble the protective casing or the closing panel of the fan
section;
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