Air conditioners suited to hazardous locations

KOOLTRONIC Hazardous Location (HL) Series line of air conditioners has been granted a patent by the U.S. Patent & Trademark Office (U.S. Patent No. 9,157,670 B2). The cost-effective and streamlined design encompasses two separate/sealed compartments and utilizes the electrical enclosure’s existing purge system, representing a major advance in safety and reliability. Product is designated for use in NEC Class I, Division 1, Groups A, B, C and D Type X purged enclosures; Class I, Division 2, Groups A, B, C and D Type Z purged enclosures; Class I, Zone 1 Groups A, B, C and D hazardous locations, Type X purged enclosures and Class I, Zone 2 Groups A, B, C and D Type Z purged enclosures. Units are also suitable for Class I, Zone 1, Groups IIA, IIB plus hydrogen and IIC, as well as Class I, Zone 2, Groups IIA, IIB plus hydrogen and IIC.  http://kooltronic.com