24
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© Munters AB, 2018
fig.23
Magnetothermic switch (chosen to suit the power of the
motor).
The need to fit a switch of differential type depends on the
configuration of the electrical system supplying the fan: it
is the installer’s responsibility to make this assessment in
accordance with the instructions in standard IEC 60364.
fig.24
Red emergency stop button, mushroom type, provided
with mechanical locking and release by turning (in
compliance with UNI EN ISO 13850). Operating the button
must bring about the electromechanical isolation of the
power supply to the electric motor (category 0/1 according
to IEC EN 60204-1).
fig. 25
Start/stop selector switch (with characteristics compatible
with the nominal current of the motor), or main panel for
managing the equipment, with control devices which act on
the electrical supply to the fan.
WARNING
Do not supply power to the fan during installation stage.
Installer must issue a declaration of correct installation in accordance with applicable
legislation in the country of use.
Connection to the power supply must be done by means of a thermal overload protection
switch, whose size depends on motor power. For safety reasons the overload switch can be
locked by a padlock, not supplied by Munters.
Electrical earthing must be carried out according to local regulations before the motor is
connected to the supply voltage.
fig.26
