Emerson Vilter MicroVission - High Filter Diff. Pressure - Run; High Motor Amps; High Discharge #2 Pressure

6 – 8
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 Filter Diff. Pressure - Run:
Below Messages will be displayed on Main screen when Filter Diff. Pressure value rises above congured setpoints.
Refer Figure 6- 3 for Alarm & Trip setpoints.
These safeties will be only active if below two conditions are met:
1) When Oil Monitoring option selected in Conguration Screen is “Oil Filter In & Oil Filter Out” or “Only Oil Filter In”.
2) When Filter Diff. Pressure Changeover Timer is lapsed.
Filter Diff. Pressure Calculation for Oil Monitoring options, “Oil Filter In & Oil Filter Out” & “Only Oil Filter In” will be
respectively as below:
a) Filter Diff. Pressure = Oil Filter Inlet Pressure – Oil Filter Outlet Pressure
b) Filter Diff. Pressure = Oil Filter Inlet Pressure – Oil Manifold Pressure
High Filter Diff
Pressure Alarm
High Filter Diff Pressure
Trip
Filter Diff. Pressure
>= High Filter Diff.
Pressure – Run Alarm
Setpoint
Filter Diff. Pressure >=
High Filter Diff. Pressure
– Run Trip Setpoint
High Motor Amps:
Below Messages will be displayed on Main Screen when Motor Amps value rises above congured setpoints. Refer
Figure 6- 3 for Alarm setpoints.
These safeties will be only active once High Motor Amps Bypass Timer is lapsed.
High Motor Amps
Alarm
High Motor Amps Trip
Motor Amps >= High
Motor Amps Alarm
Setpoint
Motor Amps >= High
Motor Amps Trip
Setpoint
High Discharge #2 Pressure:
Below Messages will be displayed on Main Screen when Discharge #2 Pressure value rises above congured set-
points. Refer Figure 6- 1 for Alarm & Trip setpoints.
There are two different set of Alarm & Trip setpoints which will be active depending on Active Control Mode selected
from Compressor Control screen.
These safeties will be only active when No. of Cylinders set in Conguration screen is “12 cyl” or “16 cyl”.
High Discharge 2
Pressure Warning
High Discharge 2 Pressure Inhibit
High Discharge 2
Pressure Alarm
High Discharge 2
Pressure Trip
Discharge #2 Pressure >=
High Discharge Pressure
Alarm Setpoint 1 /
Setpoint 2
Discharge #2 Pressure >= High
Discharge Pressure Alarm
Setpoint 1 / Setpoint 2
Discharge #2 Pressure
>= High Discharge
Pressure Alarm
Setpoint 1 / Setpoint 2
Discharge #2 Pressure >=
High Discharge Pressure
Trip Setpoint 1 / Setpoint
2