Glossary
purge A device used to remove air and other noncondensable gases that may leak into the
refrigerant A substance used to absorb and transport heat for the purpose of cooling. In a large absorption water chiller, the refrigerant is distilled water.
saturation temperature The temperature, for a given concentration, at which the solution contains the most salt that it can hold. If the temperature drops any further, the salt begins to leave the solution in a solid form (crystallize).
throttling pipe A type of expansion device used in absorption water chillers. It is a section of pipe with an orifice inside.
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