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Frame construction with 45 mm thick sandwich side panels, which are attached to the cabinet frame with self-tapping screws. The sandwich panels consist of an outer painted and inner galvanised sheet, with a sound-insulating mineral wool filling inside. The individual panels can be removed for service and maintenance. On the inlet and outlet, the enclosure is fitted with a circular neck for the connection of pipes with a lip seal. The cabinet can be suspended from the ceiling via steel hinges in the bottom of the cabinet (up to unit size CVAT/10-9000). From unit size CVAT/10-12000 to CVAT/10-16000, the cabinet is fitted with a frame on the bottom for suspension from the ceiling. The motor and fan are mounted on a common rigid frame and isolated from the cabinet by rubber vibration isolators. The cabinet is pressurised when the fan is in operation.
Iris wheel
is radial with backward curved blades made of special composite material. The wheel is statically and dynamically balanced.
Motor
EC motor with infinitely variable speed control using a 0...10 V signal. Motor protection IP54, operating temperature range -20 to +60 °C. Motor efficiency class IE4.
Speed control
The fans can be controlled in the full 0...10 V motor control range. The minimum fan speed value corresponds to 0.5 V (start value).
Square box
The power and control voltage connection is accessible on the side panel of the enclosure.
Mounting
only in the position shown in the diagram with the motor axis horizontal. The location of the discharge spout can be changed during installation by interchanging the spout panel with either side or top full panel.
Instructions
Fans are suitable for air handling applications where the low noise level of the fan is advantageous - for ventilation of restaurants, kitchens, sports halls, hospitals, warehouses.
