Emerson Vission 20/20 Operation And Service Manual page 8

Section Title
Pulldown Control ................................................................................................................................... 6-7
Control Mode......................................................................................................................................... 6-10
Stop load & Force unload ....................................................................................................................... 6-10
Capacity Slide Triggered Outputs ........................................................................................................... 6-11
Volume Slide Position Offset .................................................................................................................. 6-12
Soft Load ............................................................................................................................................... 6-12
Load Anticipating ................................................................................................................................... 6-12
Oil Control ............................................................................................................................................. 6-12
Liquid Injection ...................................................................................................................................... 6-12
Overview ............................................................................................................................................... 7-1
Alarms and Trips Setpoints ..................................................................................................................... 7-1
Compressor Inhibits ............................................................................................................................... 7-5
Safety Failure Messages ......................................................................................................................... 7-5
Compressor Warnings............................................................................................................................ 7-6
Overview ............................................................................................................................................... 8-1
Timer Setpoints ..................................................................................................................................... 8-1
Overview ............................................................................................................................................... 9-1
Scheduling Setpoint ............................................................................................................................... 9-1
Overview ............................................................................................................................................... 10-1
Pressure / Temperature Control Setpoints .............................................................................................. 10-1
Capacity Load/Unload Timers ................................................................................................................ 10-2
Compressor Sequencing Table ............................................................................................................... 10-3
Configuration Overview ......................................................................................................................... 10-5
Compressor Setup for Slave Compressor Sequencing ................................................................. 10-5
Compressor Setup for Master Compressor Sequencing .............................................................. 10-7
Overview ............................................................................................................................................... 11-1
Condenser Control Setpoint ................................................................................................................... 11-1
Step Control ........................................................................................................................................... 11-2
VFD Settings .......................................................................................................................................... 11-3
Overview ............................................................................................................................................... 12-1
Digital Outputs ...................................................................................................................................... 12-1
Analog Outputs ..................................................................................................................................... 12-5
Overview ............................................................................................................................................... 13-1
Pressure and Temperature Inputs ........................................................................................................... 13-1
Motor Current ........................................................................................................................................ 13-2
Remote Capacity ................................................................................................................................... 13-4
Analog Inputs ........................................................................................................................................ 13-4
Analog Outputs ..................................................................................................................................... 13-5
TOC - 2
Table of Contents
Section 7 • Alarms and Trips
Section 8 • Timers
Section 9 • Compressor Scheduling
Section 10 • Compressor Sequencing
Section 11 • Condenser Control
Section 12 • Service Options
Section 13 • Instruments Calibration
Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 2.0
Section Number