• Designed for rugged industrial applications in hazardous locations where the possibility of explosion or fire exists due to the presence of certain flammable gases, vapors, powdered metals or dust.
• Permanently sealed, liquid to air, finned tube heat exchanger core.
• Ethylene Glycol to water mixture used as a heat transfer fluid in the heater core, providing -45° C. (-49° F) freeze damage protection.
• High-performance electric motor driven fan blows air across finned tubes to effect uniform heat transfer and area heat distribution.
• Manual Reset capillary type limit provides high temperature regulation and is rated for 6,000 cycles of service.
• Stainless steel and aluminum pressure relief valve for overpressure.
• A back-up contactor is included for additional protection.
• 14 gauge steel cabinet powder coated epoxy paint finish contains heater core, motor, and fan assembly.
• Narrow gap safety fan guard shields all moving parts.
• Adjustable louvers allow directional control of air.
• Copper conductor wires enclosed in rigid metal conduits carry all electrical power.
• Box lugs furnished for field connections within approved enclosure.
• Made in U.S.A.
TPI – Markel Products Company HLA Series
Hazardous Location Fan Forced Unit Heater