EC Technology Roof Mounted Extractor Fans
VTA/EC
Centrifugal roof exhaust fans, sound insulated and equipped with EC Technology motor
Fan:
• Backward curved impeller in aluminum sheet, except models 190 and 250 in plastic.
• Foldable casing for ease of inspection and maintenance.
• Vertical discharge.
• Prepared with pressure taps for automatic flow or pressure control.
• Mineral wool insulation with high acoustic attenuation performance.
• Safety switch included, with 1.5 metre cable.
• Status display for all models.
• Motor cover to prevent water and snow to enter the duct.
Motor:
• EC Technology external rotor motors with integrated speed controller, controllable via PWM and 0-10 V signals.
• 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.
Finish:
• All metal parts of the equipment are made of galvanised sheet steel.
• The parts exposed to the elements are coated with a layer of Epoxy powder primer, followed by a layer of RAL 7024 polyester powder paint. Anti-corrosion protection category C5H, according to EN ISO 12944-2.
On request:
• Any other RAL can be supplied.
• Backward curved impeller in aluminum sheet, except models 190 and 250 in plastic.
• Foldable casing for ease of inspection and maintenance.
• Vertical discharge.
• Prepared with pressure taps for automatic flow or pressure control.
• Mineral wool insulation with high acoustic attenuation performance.
• Safety switch included, with 1.5 metre cable.
• Status display for all models.
• Motor cover to prevent water and snow to enter the duct.
Motor:
• EC Technology external rotor motors with integrated speed controller, controllable via PWM and 0-10 V signals.
• 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.
Finish:
• All metal parts of the equipment are made of galvanised sheet steel.
• The parts exposed to the elements are coated with a layer of Epoxy powder primer, followed by a layer of RAL 7024 polyester powder paint. Anti-corrosion protection category C5H, according to EN ISO 12944-2.
On request:
• Any other RAL can be supplied.