Service manual

TOC - 6
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9
Login ..................................................................................................................................................22-2
Manage Accounts ..................................................................................................................................22-2
Figure 22-2. User Access Screen - Manage Accounts ...............................................................................22-2
VNC Account .........................................................................................................................................22-3
Figure 22-3. User Access Screen - VNC Accounts .....................................................................................22-3
Screen Security Levels ............................................................................................................................22-4
Table 22-1. Security Access Levels ..........................................................................................................22-4
Section 23 • Help Screen
Overview ...............................................................................................................................................23-1
Screen Features .....................................................................................................................................23-1
Figure 23-1. Help Screen - Manual ..........................................................................................................23-1
Figure 23-2. Help Screen - USB ...............................................................................................................23-2
Figure 23-2. Version Pop-Up Screen .......................................................................................................23-2
Section 24 • Twin Screw Control
Overview ...............................................................................................................................................24-1
Setup - Configuration Screen .................................................................................................................24-1
Figure 24-1. Configuration Screen - Twin Screw Option ..........................................................................24-1
Operation ..............................................................................................................................................24-2
Slide Calibration - Capacity Slide Valve Potentiometer ............................................................................24-2
Figure 24-2. Slide Calibration - Twin Screw Control .................................................................................24-2
Figure 24-3. Slide Calibration - Twin Screw Bump Pop-Up Window .........................................................24-3
Section 25 • Cool Compression Control
Overview ...............................................................................................................................................25-1
Setup ..................................................................................................................................................25-1
Figure 25-1. Cool Compression Control Screen.......................................................................................25-1
Control Functions ..................................................................................................................................25-2
Figure 25-2. Compressor Control Screen - Cool Compression Control (Page 4) ....................................... 25-2
Operational Differences from Single Screw ............................................................................................25-3
Section 26 • Remote Oil Cooler
Overview ...............................................................................................................................................26-1
Remote Oil Cooler Setpoint ....................................................................................................................26-1
Figure 26-1. Remote Oil Cooler Screen (Page 1) .....................................................................................26-1
Step Control ...........................................................................................................................................26-2
VFD Settings ..........................................................................................................................................26-2
Figure 26-2. Remote Oil Cooler VFD Screen (Page 2) ..............................................................................26-3
Appendix A • Vission 20/20 Troubleshooting Guide
Vission 20/20 Troubleshooting Guide ..................................................................................................... A-1
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