Roof Fan VSVI 630 L3 EC AL

Roof fans used to extract air from different premises. Motorised impeller is protected with a meshwork grill which offers protection against external objects that could cause mechanical damage to the impeller. Not suitable for polluted air, aggressive and explosive gases.
Impeller with backward curved blades made of plastic. Sound insulation: rock wool, 50 mm thickness. Motor: external rotor, motor protection built-in thermal-contact, maintenance free ball bearings. Housing: made of aluminium. Integrated constrant pressure switch.

FEATURES

• 7 sizes (311, 355, 400, 450, 500, 560, 630);
• Airflow up to 14500 m3/h;
• Vertical exhaust;
• Backward-curved plastic impeller;
• Acoustically insulated VSVI version;
• Fan speed 100% controllable by 0-10 V signal;
• Energy efficient.
• Temperature range: From -25°C up to 40/60°C, depending on size
• Power supply: 230V/50Hz/1f or 400V/50Hz/3f.

DESIGN

• Casing: aluminium;
• Motor protected from external objects;
• Acoustic and thermal wall insulation – 50mm (VSVI only);
• Fan: centrifugal impeller and external rotor motor;
• Motor protection integrated into motor electronics;
• Motor protection class: IP54;
• Terminal box protection class: IP55;

SPEED CONTROL

• 10 kΩ potentiometer;
• External signal 0-10 VDC/PWM from user controller.
• Can be connected directly to optional constant pressure sensors, CO2, RH or an on/off switch