Rotational direction
The rotational direction is defined looking at the suction side of the fan. | |
Right (standard) | Left |
Wheel turns clockwise | Wheel turns anticlockwise |
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Base, terminal box, and case positions
Important note! |
There are 2 types of fan base.
-
Fan base: For small motor sizes.
In the case of motor sizes smaller than 90 or less than 1.5 kW, the fans generally have an attached base. -
Motor base: As a rule, for larger motors as of size 90 or a power above 1.5 kW.
The data sheet of the fan indicates whether the fan has a fan base or motor base.