Qmark^® Type GUX Explosion proof unit heater

• Rated for Class I and Class II applications
• Low operating temperatures for atmospheres having ignition temperatures higher than 329 degrees F

APPLICATIONS
Explosion proof unit heaters are designed to heat areas classified as hazardous locations designated as Class I, Group D or Class II, Groups E, F, and G, Divisions 1 & 2, with a T3B ignition temperature code rating (329°F, 165°C) to provide primary or supplementary heating for comfort or freeze protection. (Class 1, Group C is also available) Typical applications involve oil refineries, sewage treatment plants, petrochemical plants, oil rigs, unattended pumping stations, chemical storage and handling facilities, paint storage areas, and countless other hazardous areas covered by these classifications.

CONTROLS — Prewired, self-contained control center. Standard controls include automatic reset thermal limit, a magnetic contactor, and 24 volt control circuit transformer.

HEAT EXCHANGER — Advanced design allows lower operating temperatures from the liquid to air heat exchanger with steeltubes, aluminum fins, a non-toxic heat transfer fluid, and a 40 PSIG relief valve.

OPTIONAL CONTROLS — Includes a factory built-in thermostat, disconnect switch, fan selector switch, 120V control circuit, and pilot light.

HIGH LIMIT CUTOUTS— An automatic reset high limit cutout units is standard. (An additional manual reset high limit cutout is available as an option.)

FAN & MOTOR — Ball bearing permanently lubricated explosion proof motor has built-in thermal overload protection. An optional motor is available that rates the unit for Class I, Group C, and T3B applications.

CABINET — Powder coated heavy gauge steel cabinet surrounding a 14 gauge heavy duty steel frame which supports internal components.

Qmark GUX Installation Instructions

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Qmark^® is a registered trademark of Marley Engineered Products.