Emerson VISSION 20/20 service manual

•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.

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