Installation precautions
For the installation of the motor please consider the following:
• make sure that no damages have occurred during transportation;
• carefully remove the components of the plant from the wrapping material and any other
protective devices;
• make sure that the value of the voltage on the rating plate is the same as the voltage of
mains;
• the surfaces in contact with the electric bonding and the rating plate must not be
varnished;
• set the motor on a flat surface;
• make sure that the bearings or the flange are well fixed and that in case of direct joint the
motor is perfectly aligned;
• make the rotor rotate manually in order to verify the absence of any dragging;
• verify the rotation sense removing the joint;
• key (extract) the output components (i.e. joint, belt pulley, etc.) only using apt devices
(shrinking-on). Avoid not allowed tension on the pulley (ref. catalogue par. technical
sheet);
• in the models in which the shaft is with the end downwards, use the protective cover. If the
end of the shaft is upwards, use a cover preventing any penetration of external parts into
the fan;
• do not hinder ventilation. The discharged air, together with the air coming from other
groups, must not be immediately re-aspirated;
• verify the correct grounding of the motor
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General