Emerson
VISSION 20/20
service manual
Instrument Calibration
Trend Chart
Alarms and Trips
Indicators
Proper Wire Sizing
Problem Reason Solution
Low Control Temperature Fail
Safety
Dipswitches
Page 45
Instrument Calibration
45
Page 44
Page 46
Image 45
Page 44
Page 46
Contents
Control Panel
Page
Important Note
Page
Touch Screen LCD Display
Optional Analog Input Jumper Tables
Standard Vilter Warranty
Page
Operational Flow Charts
Page
Voltage Source
Proper Wire Sizing
Voltage Source
Grounding
Mixing Voltages
Wiring Methods
DON’T
Touch Screen
Description Type
Liquid Injection #2 Output Not Defined
Page
Analog Inputs
Page
Compressor VFD 20 mA Condenser VFD Slide Valve Position
Touch Screen LCD Display
Main Screen
Menu Button
LOG on Button
Indicators
Menu Screen
Page
Compressor Control
Time Proportioning Control
Auto-Cycle Setpoints
Other Setpoints That Might be Required for Motor PID Control
Pump-down
Pull-down
Misc. Control
Page
Page
Alarms and Trips Screen
Page
Alarms and Trips
Page
Timers
Page
Timers
Service Options
Instrument Calibration
Slide Calibration
Remove Cover Press Down On Photochopper
Command Shaft Rotation Capacity Volume INC DEC CCW
Slide Valve Operation
Problem Reason Solution
Slide Valve Trouble Shooting Guide
Problem
Replace the actuator. See above
Trend Chart
Event List Screen
Input / Output States
Configuration Screens
Page
Page
Maintenance Screen
Log In Screen
Screen to Add Users
User Level
Low Control Temperature Fail
Percent Volume Fail
Suction Pressure SP#1 Fail
Suction Pressure SP#2 Fail
Low Start Oil Pressure Fail
Auxiliary Safety#1 Input Fail
Low Oil Pressure Fail
Low Oil Injection Temp Fail
Vission 20/20 Troubleshooting Guide
Digital & Analog Boards
Dipswitches
Dipswitch Position
Digital Output #2
Digital Input
Digital Input/Output #1
Digital Input/Output #2
POSITION-1
JP-16 JP-19 JP-22 JP-27 JP-28 JP-29 JP-30 JP-31
POSITION-2
Jumper Position
Analog Output
Optional Analog Input Jumper Tables
Channel #6 Signal
Page
EmersonClimate.com
Top
Page
Image
Contents
