High Discharge #2 Temperature; Remote Comm Time Out; Compressor Interlock - Emerson VILTER MicroVission Operation And Service Manual

Section 6 • Alarms and Trips
Warnings
Not Running (Idle)

High Discharge #2 Temperature:

Below Messages will be displayed on Main Screen when Discharge #2 Temperature value rises above configured
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 Configuration screen is "12 cyl" or "16 cyl".
2) High Discharge Temp Bypass Timer is lapsed.
High Discharge 2
Temperature Warning
Discharge #2
Temperature >= High
Discharge Temperature
Alarm 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 Configuration screen.
Remote Comm. Time-out Trip will be only monitored if "Stop Compressor with Trip" option is set for On
Communication Failure setting in Configuration screen.

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.
MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.3
Inhibits
Pre-Start
High Discharge 2
Temperature Inhibit
Discharge #2 Temperature >=
High Discharge Temperature
Alarm Setpoint
Compressor Interlock Inhibit
Motor Auxiliary Contact Fails
to Close when Compressor is
Starting
Alarms
Running
High Discharge 2
Temperature Alarm
Discharge #2
Temperature >= High
Discharge Temperature
Alarm Setpoint
Remote Comm Time
out Alarm
Remote Comm.
Inactive Time >=
Compressor Failure
Detect Timer
Trips
Running
High Discharge 2
Temperature Trip
Discharge #2
Temperature >= High
Discharge Temperature
Trip Setpoint

Remote Comm Time out

Trip
Remote Comm. Inactive
Time >= Compressor
Failure Detect Timer
Compressor Interlock
Trip
Motor Auxiliary Contact
Opens when Compressor
is Running
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