• Axial roof fan for commercial and industrial buildings as well as large-volume rooms and systems.
• Suitable for extracting large volumes of air.
• High efficiency.
• Low noise level.
• Simple installation.
• Connection to ducts possible.
• Protection class IP 55.
• Suitable for temperature ranges from - 15 °C to + 50 °C.
• Housing made of epoxy-coated sheet steel.
• Axial impeller made of glass fibre-reinforcing polyamide.
Motor
• Asynchronous three-phase AC motors.
• Protection class IP 55.
• S1 operating mode (continuous operation).
• Speed controllable with frequency converter.
• Permissible frequency range for speed control with frequency converter 20-50 Hz.
• The temperature in the fan motor is monitored by PTC thermistors. The PTC thermistors must be connected to a release system, that permanently disconnects the fan from the power supply if the temperature is too high.
Electrical connection
• Connection in the terminal box on the motor.
• Safety instructions
• Connection to terminal block in the housing.