Direct driven high-performance centrifugal fan PFP
Complete plug fan module with high system efficiency, provided with front panel and supporting frame, suitable for horizontal or vertical installation, specifically developed and optimized for use without a scroll case. Equipped with flow measuring device IMV as a standard feature. Aluminium-made centrifugal impeller with 7 backward inclined welded blades. The wheel is directly fitted to a brushless external-rotor motor, with no transmission losses. The complete unit is dynamically balanced according to DIN ISO 21940-11. Light-weight motor frame cast from corrosion-resistant aluminium. A single-phase sensorless driver is fully integrated into the motor and is provided with an active PFC (Power Factor > 0.95 in any state of operation). Continuous speed control of the Drive System by 0 ... 10 V analogue signal, or with Modbus RS485-compliant interface. All the drive system is protected according to class IP 54. Power supply 230 V – 50/60 Hz. Air performance ratings according to AMCA 210-07 (Fig. 12) and ISO 5801:2007 (Fig. 41 and par. 30.3).