Service manual

TOC - 8
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
How to Use This Manual
NOTE
Manual revision should match software version.
This manual contains instructions for the Vission 20/20
Operation & Service Manual. It has been divided into 28
sections.
Section 1: Operational Flow Charts
Section 2: Installation Recommendations
Section 3: Hardware Architecture
Section 4: Main Screen
Section 5: Menu Screen
Section 6: Compressor Control
Section 7: Alarms & Trips
Section 8: Timers
Section 9: Compressor Scheduling
Section 10: Compressor Sequencing
Section 11: Condenser Control
Section 12: Service Options
Section 13: Instruments Calibration
Section 14: Slide Calibration
Section 15: Trend Chart
Section 16: Event List
Section 17: Input/Output
Section 18: Auxiliary Input/Output
Section 19: Con guration
Section 20: Data Backup
Section 21: Maintenance
Section 22: User Access
Section 23: Help Screen
Section 24: Twin Screw Control
Section 25: Cool Compression Control
Section 26: Remote Oil Cooler
Appendix A: Vission 20/20 Troubleshooting Guide
Appendix B: Application Procedures
It is highly recommended that the manual be reviewed
prior to servicing the Vission 20/20 system parts.
Figures and tables are included to illustrate key concepts.
Safety precautions are shown throughout the manual.
They are de ned as the following:
WARNING - Warning statements are shown when there
are hazardous situations, if not avoided, will result in se-
rious injury or death.
CAUTION - Caution statements are shown when there
are potentially hazardous situations, if not avoided, will
result in damage to equipment.
NOTE - Notes are shown when there are additional infor-
mation pertaining to the instructions explained.
NOTICE - Notices are shown when there are important
information that can help avoid system failure.
ADDITIONAL IMPORTANT NOTES
Due to continuing changes and unit updates, always
refer to the www.Vilter.com to make sure you have
the latest manual.
Any suggestions for manual improvements can be
made to Vilter Manufacturing at the contact informa-
tion on page ii.
For additional video information pertaining to the
Vission 20/20, refer to the Vilter video playlist at
www.YouTube.com/EmersonClimateTech