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fDesc[0] = "Instal-therm HCR 4 is designated for designers, installers, maintenance engineers and operators of hydronic central heating systems with convectors (double- and single-pipe systems) and radiant heating systems (floor and wall heating systems). It also supports the design and adjustment of double-pipe cooling medium circuits in air-conditioning systems. The circulating medium may comprise water or any of the non-freezing mixtures defined in the program. Instal-therm is a component of the InstalSystem package, which also includes Instal-heat&energy for calculating heat losses and seasonal heat demand in buildings, an optionally also Instal-san for designing indoor cold and hot water supply systems and sewage systems in residential and public buildings.";

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