(3)The compressors in the compressor shed or house shall be fitted with-(a)pressure relief valves on inlet and all stages to prevent pressure build up above the predetermined set point;(b)high discharge temperature shut down mechanism and high cooling water temperature switch fitted on cooling water return line to shut the compressor in the event of a fault;(c)high inlet, inter stage and discharge pressures shut down mechanisms;(d)low lube oil pressure shut down mechanism;(e)low cooling water flow switch fitted to the cooling water return line to shut the compressor in the event of fault; and(f)a remote isolation switch, wherever applicable, for emergency shutdown with manual reset at control panel.
