Compressor unloading system
An automatic system, associated with a compressor, that takes the compressor off load when the discharge pressure has reached a given level ; and that similarly restarts the compressing action when the pressure in the system has dropped to a certain level. The compressor runs continuously.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM