Emerson Vission 20/20 Operation And Service Manual page 219

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 below in Figure B-40.
Figure B-40. VPLUS / Motorized Valve Control PID Parameter Setup
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
• 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.
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 VFD for the VPLUS motor.
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