MDVILS Series Vent Fan


MDVILS vent fans are suitable for indoor inline or wall mounted applications with either a 4” (100mm) or 6” (150mm) air inlet collar; either on the side or the top and either a 4” (100mm) or 6” (150mm) diameter bottom discharge outlet. Please note Dexon does not provide a rigid mounting flange.

Dexon vent fans are intended to provide continuous positive pressure
ventilation in climates NOT REQUIRING
of the supply air.

This equipment is suitable for use in Class 1, Division 2, Groups C and D, Temp Code
T4 or Non-Hazardous Locations, General Enclosure.

Vent Fan Specifications

  • Power Supply – 120VAC, 60Hz, 240WATT Max input to Vent Fan.
  • Blower: 24VDC brushless backward curved motorized impeller.
  • 330CFM @ 0”SP.
  • Low Voltage Interfacing between Vent Fan & Status Indicator/Controller.
  • Dimensions 825mmH x 300mmSQ.
  • Inline or Wall mounted with top or side air inlet collar and can be either four or six inch diameter.
  • Wall mounting brackets provided.
  • Four inch (100mm) or six inch (150mm) diameter flat bottom discharge outlet with discharge pipe adapter plate, c/w gasket.

Vent Fan Features

  • Status Indication provided.
  • Indication of blower rotation when in High/Full speed only.
  • Toggle switch on Status Indicator/Speed Controller for switching from Low/Idle speed to High/Full speed.
  • Onboard adjustable ranges for both Low/Idle and High/Full speeds.
  • Provisions for Optional Low Temperature Shut Down (thermostat by others).
  • Blower Boost Start.

Vent Fan Requirements

  • Status Indicator/Controller must be installed in appropriate enclosure remote from hazardous locations
  • Class 1, Division 2 rated units must be fused remote in a Non-Hazardous Location
  • Ordinary Location Units Fused Internally.
  • Vent Fans must run continuously

Please refer to owner’s manual for
more information