Emerson Vission 20/20 Operation And Service Manual page 228

Appendix B • Vission 20/20 Application Procedures
Step 3: Setup and selection of VPLUS / Motorized
Valve Control PID parameters.
The oil cooling VPLUS control parameters must now
be setup. Navigate to the last page of the Compressor
Control settings page. Setup the Motorized Control
Valve setting as show in Figure B-47.
• Setpoint : 135 deg F.
• Motorized Valve Control: P = 25.0 I = 1.0 D = 4.0
• Minimum Valve Open Percent = De-selected.
• Avg. with Oil Manifold Temperature = De-selected.
• Oil Separator Temp. Override = 100 deg F.
Figure B-47. Setting the VPLUS / Motorized Valve Control PID Parameters
B - 72
Depending upon the size of the oil separator, the P term
may have to be adjusted to give proper response of the
4-20ma signal to the Dart Speed controller board for the
VPLUS motor.
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0