The SoliTherm Progressive series of enclosure air conditioners is UL-listed for Types 12, 4, 3R and 4X and includes an integrated condensate evaporation package for no-drip operation. A programmable digital controller that is viewed and operated from inside the enclosure and a weight-bearing metal flange support for easier mounting are among the features. Cooling capacities are from 1,000 to 21,170 BTU/hr, and the operating temperature range is -40 to 131 °F. The temperature controller is adjustable from 68 to 122 °F and has settable high-temperature alarms. Forty-four models are available, and units can be powered by single- or three-phase ac at 120, 230 or 480 V at 60 Hz.
