Emerson Vilter MicroVission, Operation And Service Manual

Page: 49 / 116

6 – 8
Section 6 • Alarms and Trips
MicroVission Controller • Operation and Service Manual • Emerson • 35391MV 1.0
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 configured set -
points. 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 Configuration 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 configured 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 Mo -
tor Amps Trip Setpoint
High Discharge #2 Pressure:
Below Messages will be displayed on Main Screen when Discharge #2 Pressure value rises above configured
setpoints. 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 Configuration 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 Pres -
sure Alarm Setpoint 1 /
Setpoint 2
Discharge #2 Pressure >= High
Discharge Pressure Alarm Setpoint
1 / Setpoint 2
Discharge #2 Pressure
>= High Discharge
Pressure Alarm Set-
point 1 / Setpoint 2
Discharge #2 Pressure >=
High Discharge Pressure
Trip Setpoint 1 / Setpoint
2