NCF fan
4.3 Installation types
WARNING! Risk of personal injury
• Even with guards installed (regardless of the
conditions of supply or installation), the NCF
fan may be dangerous due to the effects of
indrawn or moved air.
• It is advisable to adopt precautions that pre-
vent access to the room containing the NCF
fan while it is operating, or to keep persons
away with fixed guards that maintain a safe
distance from the intake opening.
• Check the efficiency of all guards every
month. In case of wear, damage or breakage,
replace them immediately.
• The user is responsible for the selection
of equipment, ropes, belts and chains best
suited for both load and functionality.
• Unless otherwise specified by contract, the
NCF fan and guards are suitable for install-
ation as a single unit, and must not be sub-
jected to effects of fluid dynamics caused by
other machines installed in the same fluid
movement system.
• On starting and in compliance with pro-
grammed maintenance intervals, check that
nuts and bolts are correctly tightened.
• A safety procedure for access to the NCF fan
must be compiled, taking into consideration
the indications provided by the manufac-
turer, information deriving from the analysis
of risks at the installation point and safety re-
quirements in workplaces.
• The client and/or the installer of the electric
system is responsible for choosing the equip-
ment and cables used for connecting the NCF
fan electrically, based on the dimensions of
the motor installed and the characteristics of
the main power supply.
There are four possible installation types, in compli-
ance with UNI 10615 specifications:
• Type A: open intake and outlet.
• Type B: open intake and outlet connected to a pipe.
• Type C: intake connected to a pipe and open outlet.
• Type D: intake and outlet connected to a pipe.
Clearly Nederman cannot be aware of which of these
four installation types will be used by the user. There-
fore, the installer or end client themselves must ana-
lyze the risks involved for the chosen installation type
used in the specific application.
Depending on the applications that the client intends
to use the NCF fan for and on the type of installation
chosen, the following safety shields must be fitted:
• Type A installation: fixed shields at the intake and
outlet.
• Type B installation: shield fitted only at the intake.
• Type C installation: shield fitted only at the outlet.
• Type D installation: no shield at either the intake or
outlet.
• The shielding must be constructed to impede access
to the parts of the NCF fan that could cause injury.
It must be robustly built enough to stand the vibra-
tions and stress caused by the machine and by en-
vironmental conditions. It must be securely fixed in
position by devices that will not become loosened
by vibrations and that cannot be removed without
the use of tools.
• It is, in any case, the person installing the NCF fan is
responsible for ensuring that adequate measures
have been taken to prevent accidental contact with
the fan’s moving parts.
• The installer and the user must also take into ac-
count other types of risks present, in particular
those caused by foreign matter entering the NCF
fan and the aspiration of explosive, inflammable or
toxic gases at high temperatures.
• The user must also bear in mind the risks inherent
in maintenance work, which must always be carried
out in conditions of the utmost safety, with the NCF
fan separated from the motor or isolated using suit-
able equipment.
• Once the installer and/or user has decided which in-
stallation type is to be used and all the above pro-
cedures have been applied, the NCF fan can now be
considered a “complete machine” as described by
machine use regulations. An overall risk evaluation
must be made. With regard to guards to be fitted to
ducts, in compliance with the design project, they
must prevent access to parts of the NCF fan and its
accessories that could cause injuries. They must
also be sufficiently robustly constructed to resist
the stresses generated by the NCF fan and environ-
mental conditions.
• Nederman invites users and/or system designers to
design, construct and install guards in conformity
with the criteria of the UNI EN ISO 12499 standard.
• The installer and the user must also take other types
of risk into consideration, and in particular those
deriving from the entry of foreign bodies and the
intake of explosive, inflammable or toxic gases or
gases at a high temperature.
4.4 Transport
4.4.1 Transport and lifting
WARNING! Risk of personal injury
The user is responsible for the selection of
equipment, ropes, belts and chains best suited
for both load and functionality.
EN
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