Modine’s HEX electric unit heaters are designed for hazardous industrial locations where potential for explosion exists due to the presence of flammable gases, vapors, powdered-metals or dusts. HEX electric unit heaters are UL-listed for Class I, Divisions 1 & 2, Groups C & D; Class II, Division 1, Groups E, F and G and Class II, Division 2, Groups F and G. UL temperature code shall be T3B 329 deg-F for Class I and II, indicating maximum operating-surface temperatures.
Features:
- UL listed.
- Liquid to air, finned tube, sealed heat exchanger core.
- Ethylene glycol water mixture used as heat-transfer fluid in the heater core, providing -49 deg-F freeze damage protection.
- Thermally protected, automatic reset, explosion-proof, motor driven fan moves air across finned tubes for even heat distribution.
- Automatically reset, bimetal high-limit provides over temperature protection and is rated for 100,000 cycles of service.
- Pressure relief valve provides over-pressure protection.
- Epoxy coated, 14 gauge steel cabinet contains heater core, motor, and fan assembly.
- Narrow-gap, two-piece fan-guard shields all moving parts.
- Adjustable extruded aluminum louvers allow directional control of air.
- Copper conductor wires enclosed in steel conduits carry all electrical power.