FRF/EW
EC roof mounted centrifugal extractor fans, with vertical air outlet
Fan:
• Backward curved impeller with EC external rotor motor.
• Aluminium profile structure and box with thermal and acoustic insulation, and aluminium sheet metal finish.
• Folding impeller motor assembly to facilitate maintenance and cleaning.
• Built-in safety switch.
• Built-in water outlet drain.
• Adjustable speed through an external 0-10 V signal.
Motor:
• EC Technology external rotor motors with high efficiency and built-in variable speed drive controlled by 0‐10 V signal.
• Single-phase 200-277 V 50/60 Hz. Except models 225, 250 and 315-M/L 200-240 V 50/60 Hz. Protection IP54.
• Three-phase 380/480 V 50/60 Hz. IP54 protection.
• Working temperature: -25 ºC +50 ºC.
Finish:
• Anti-corrosive in aluminum sheet.
