The present disclosure relates to a system for refrigeration, heating or air-conditioning technology, particularly a refrigeration system, including a working medium circuit, which has a compressor, a condenser, an expansion valve, and an evaporator connected successively in the flow direction. Particularly stable operating behavior of the system is achieved in a simple manner in that means, which thermally couple the liquid operating medium flowing to the expansion valve to the operating medium flowing from the expansion valve to the evaporator, are provided in order to maintain the temperature of the liquid operating medium constant.
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