OWMDH Series Blower Heater



OWMDH Series blower heaters are suitable for outdoor wall mounting with louver section on hinged lockable door; CSA Enclosure Type 3R. Discharge outlet can be out the bottom or out the back of the unit, can be round or rectangular and size is based on blower selection and capacity. Pipe adaptor plate with gasket provided for round discharge.

The larger OWMDH series blower heaters; 6Kw and higher, provide staged heating elements to minimize power supply & demand billing charges.

Blower Heater Features:

  • Status Indication
  • Overheat Protection
  • Low Temperature Shut Down
  • Discharge Temperature Sensor
  • Adjustable Fan Speed in Auto Mode
  • Full Fan Speed in Manual Mode
  • Auto Reset
  • Fan Boost Start
  • Indication of Fan Stopped
  • Staged Heating
  • CSA Certified

Blower Heater Specifications:

  • Electrical Requirements:
    1. Controls Circuit – 120VAC, 60Hz
    2. Heating Element Circuit – can be 208, 240, 480, or  600VAC, 1 or 3 phase, 1,2 or 3 stages
    3. Wiring Between Remote Dexon Status Board to Dexon Blower Heater (Typically cable supplied by Dexon)
    4. Connections Between Optional Alarm Module and External Alarms (when used)
  • Heating Capacity – Available in 3000 to 40500WATT, with Staged Elements
  • CFM  Capacity:
    1. Approximately 80 – 1520CFM @ 0″ Static Pressure Water Column (With Single Fan)
    2. Approximately 100 – 2500CFM @ 0″ Static Pressure Water Column (With Dual Fans)
  • Variable Speed Brushless DC Fan
  • Dimensions Vary with Blower Selection and Capacity
  • Louvers are on Hinged Lockable Door
  • Wall Mounting Brackets Provided
  • Discharge Outlet can be Out the Bottom or Out the Back of the Unit, can be Round or Rectangular and Size is Based on Blower Selection and Capacity. Pipe Adaptor Plate with Gasket Provided for Round Discharge

Installation Requirements:

  • Status Indicator must be installed remote from hazardous location in appropriate enclosure
  • Class 1, Div.2 units must be fused remote from hazardous location
  • A pressure relief vent/gooseneck equivalent to discharge outlet is required

Blower Heater Options:

  • Class 1, Division 2, Gas Groups C & D Locations or Ordinary Locations Certification
  • Optional 95ALM Alarm Module for Interfacing with External Alarms
  • Manual Mode Interface to Initiate Full Fan Speed from External Dry Contact
  • Pre-mounted Status Enclosure

Please refer to owner’s manual for more information