Disconnection of open and closed cooling circuits

摘要

To disconnect an open or closed gas and/or liquid circuit, and especially a cooling circuit, directly after disconnection, the valve (d) is closed after the final compressor C3) or one of them and the valves (b,c) are closed in front of the expansion units (T,a) to the low pressure section(s). The valves are closed automatically, on a timed action.