CRVB-250 N Ecowatt IP44 roof fan

Economical radial roof fans suitable for higher flow rates and higher duct pressure drops.

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39 142,00 CZK excl. VAT

47 361,82 CZK incl. VAT

Availability: on request [31.10.2024, 16:10] Update

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Product code: SP276302000

EAN: 8413893568823

Product description

Cabinet

is designed for vertical 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 in the air stream. Protective grille against contact.

Running wheel

is radial with backward curved blades. It is made of galvanized steel sheet, is statically and dynamically balanced.

Motor

is a DC, special EC, with an external rotor. The motors are equipped with a thermal fuse as standard. Motor insulation is class F. Permanent operating temperature -20 to +40 ˚C. Grease-filled ball bearings for lifetime. Protection rating IP44/IP54 (3f).

Rotation direction

is only possible in one direction, in the sense of the arrow on the fan housing. The fan control does not allow changing the direction of rotation.

Fan box

with a revision switch is located on the fan housing. It is IP55 rated.

Speed control

is carried out by means of a potentiometer located in the terminal box or by an external REB Ecowatt control. Another option is to control using a 0-10 V control signal from a temperature, humidity or CO₂ sensor.

Full description

Downloads

Technical sheets, manuals and declarations

Catalogblatt .pdf (842.53 kB)

Instructions .pdf (673.12 kB)

Declaration of conformity .pdf (355.12 kB)