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Cabinet
is designed for horizontal air exhaust. The fan base is made of galvanized steel sheet, the brackets, grille and screws are also electroplated. The fan shroud and casing are made of Al sheet metal. The fan motor is mounted outside the air flow. The motor ventilation circuit is separate, using its own radial impeller. Ventilation joint around the perimeter of the canopy.
Circulating wheel
The fan is radial with backward curved blades. It is made of galvanized steel sheet and is statically and dynamically balanced.
Motor
is asynchronous with shorted resistance armature, stator with cooling fins, black epoxy lacquer finish. PTC thermistors on request. The windings are tropicalised with class F insulation and a permanent operating temperature of -40 to +120 °C. Grease-filled ball bearings for life. Protection rating IP55.
Square box
Accessible by removing the fan canopy. The protection is IP55.
Speed control
is performed by frequency converters.
Rotation direction
is only possible in one direction, as indicated by the arrow on the fan housing. The opposite direction of rotation can cause motor overload, and the fan will also experience increased noise.
Mounting
The fan is mounted horizontally using the accessories (with the motor axis vertical).
Noise
Emitted by the fan is measured in the free acoustic field at a distance of 1.5 m at 2/3 of the maximum air power.
Instructions
The fans are suitable for general air handling applications.
