IRVDH OWNERS MANUAL

RV BLOWER HEATER INLINE MOUNTING OPTIONS

IRVDH Series blower heaters are suitable for indoor, inline or wall mounted applications with no louvers; various mounting options available.

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

Blower Heater Features:

• Status Indication; Including “No Air” & Max Speed Indications
• 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
• Staged Heating
• CSA Certified
• Air Intake Filtration
• Regulated Air Velocity

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
• Control Access is on the Front of the Unit with Various Air Inlet Configuration Options Available
• Wall Mounting Brackets Provided
• Bottom Discharge 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 locations
• 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

Refer to owner’s manual for more information