Rooftop fan CRF/EW/CPC series

IP54centrifugalventilation

entrifugal roof fans, automatic operation, low noise level, EC Technology motor and constant pressure control Centrifugal roof mounted extract fans with low noise levels and external rotor motor, fitted with an EC Technology motor. Fan: • Galvanised steel sheet construction. • Backward curved impeller made of plastic material. • Bird protection grid. • Folding body for ease of inspection and maintenance. Motor: • High efficiency EC Technology motors, outer rotor adjustable via 0-10 V signal. IP54 protection. • Single-phase 230 V 50/60 Hz and three-phase 400 V 50/60 Hz. • Maximum temperature of air to be carried: -25 ºC +50 ºC. EC CONTROL: Control panel for ventilation systems with EC Technology motors with the electronics integrated in the motor itself. With the following characteristics: • CPC: Constant pressure control. • CFC: Constant flow control. • DAY/NIGHT: Double pressure setpoint adjustment according to time of day. • External sensor: Compatible with temperature, humidity, air quality or CO sensor. • Equipment preconfigured in constant pressure mode with 100 Pa set point. Finish: • Galvanised steel sheet.