Emerson VISSION 20/20 Air Compressor User Manual


 
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• Low Suction Pressure Alarm and Trip = This is the low suction pressure safety. This safety is active in both
temperature and pressure control modes. An alarm or trip will be active on a drop in suction pressure at or
below the set-point value.
• High Discharge Pressure Alarm and Trip = This is the high discharge pressure safety. The alarm or trip will be
active on a rise in discharge pressure at or above the set-point value.
• High Process Temperature Alarm = This alarm is active when the process temperature is at or above the set-
point value. There is no TRIP set-point.
• Low Process Temperature Alarm and Trip = This is the low control temperature safety. This safety is active when
process temperature control has been selected in the Control Mode dropdown selection found in the Compres-
sor Control Menu. An alarm or trip will be active on a drop in process temperature below the set-point value.