Emerson Vilter MicroVission - High Discharge #2 Temperature; Remote Comm Time out; Compressor Interlock

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Section 6 • Alarms and Trips
MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3
Warnings Inhibits Alarms Trips
Not Running (Idle) Pre-Start Running Running
High Discharge #2 Temperature:
Below Messages will be displayed on Main Screen when Discharge #2 Temperature value rises above congured
setpoints. Refer Figure 6- 2 for Alarm & Trip setpoints.
These safeties will be only active if below two conditions are met:
1) When No. of Cylinders set in Conguration screen is “12 cyl” or “16 cyl”.
2) High Discharge Temp Bypass Timer is lapsed.
High Discharge 2
Temperature Warning
High Discharge 2
Temperature Inhibit
High Discharge 2
Temperature Alarm
High Discharge 2
Temperature Trip
Discharge #2
Temperature >= High
Discharge Temperature
Alarm Setpoint
Discharge #2 Temperature >=
High Discharge Temperature
Alarm Setpoint
Discharge #2
Temperature >= High
Discharge Temperature
Alarm Setpoint
Discharge #2
Temperature >= High
Discharge Temperature
Trip Setpoint
Remote Comm. Time-out:
Below Messages will be displayed on Main Screen when there is no remote communication to the MicroVission for
time as set in Compressor Failure Detect Timer. Refer Timers screen for setpoint.
Remote Comm. Time-out Alarm will be only monitored if “Revert to Local Control” option is set for On Communication
Failure setting in Conguration screen.
Remote Comm. Time-out Trip will be only monitored if “Stop Compressor with Trip” option is set for On
Communication Failure setting in Conguration screen.
Remote Comm Time
out Alarm
Remote Comm Time out
Trip
Remote Comm.
Inactive Time >=
Compressor Failure
Detect Timer
Remote Comm. Inactive
Time >= Compressor
Failure Detect Timer
Compressor Interlock:
Below message will be displayed on Main Screen in following cases:
1) When Motor Auxiliary Contact Fails to Close during Compressor Start.
2) When Motor Auxiliary Contact Opens when Compressor is Running.
Compressor Interlock Inhibit
Compressor Interlock
Trip
Motor Auxiliary Contact Fails
to Close when Compressor is
Starting
Motor Auxiliary Contact
Opens when Compressor
is Running