Emerson E2 User Manual

Emerson

x • Table of Contents

026-1610 Rev 13 14-SEP-2011

10.17.1 Priority Settings.......................................................................................................................................... 10-24

....................................................................................................................................... 10-25

10.18.1 Add/Delete an Application ......................................................................................................................... 10-26
10.18.2 Using and Configuring a Setup Screen ...................................................................................................... 10-26

10.18.2.1   The Edit Menu ................................................................................................................................................. 10-27
10.18.2.2   Entering Setpoints............................................................................................................................................ 10-27
10.18.2.3   Navigating the Setup Screen............................................................................................................................ 10-27

10.18.3 Using the Help Key to get Property Help .................................................................................................. 10-29

11 SOFTWARE OVERVIEW ................................................................................................................................... 11-1

.................................................................................................................................................. 11-1

11.1.1 Introduction .................................................................................................................................................... 11-1
11.1.2 The (Standard) Suction Group Application ................................................................................................... 11-1

11.1.2.1   Overview of PID Control Strategy ...................................................................................................................... 11-1
11.1.2.2   Variable-Speed Compressors............................................................................................................................... 11-1
11.1.2.3   Floating Setpoint Control..................................................................................................................................... 11-1

11.1.3 The Enhanced Suction Group Application..................................................................................................... 11-1

11.1.3.1   Learning Mode..................................................................................................................................................... 11-2
11.1.3.2   Circuit Load Analysis .......................................................................................................................................... 11-2
11.1.3.3   The Control/Cycles Parameter ............................................................................................................................. 11-2
11.1.3.4   Variable-Speed, Digital Scroll, and Digital Discus Compressor Support ........................................................... 11-2
11.1.3.5   Floating Suction Control...................................................................................................................................... 11-2

11.1.4 Hardware Overview ....................................................................................................................................... 11-2

........................................................................................................................................... 11-3

11.2.1 Air Cooled Condensers .................................................................................................................................. 11-3

11.2.1.1 Air Cooled Strategy ............................................................................................................................................. 11-3
11.2.1.2 Temperature Differential Strategy ....................................................................................................................... 11-3

11.2.2   Evaporative Condensers ................................................................................................................................  11-4
11.2.3   Fan Control ....................................................................................................................................................  11-4
11.2.4   Condenser Split Mode ....................................................................................................................................  11-4
11.2.5   Fast Recovery .................................................................................................................................................  11-4
11.2.6   Hardware Overview .......................................................................................................................................  11-4

............................................................................................................................................. 11-5

11.3.1 Refrigeration Control..................................................................................................................................... 11-5

11.3.1.1   Temperature Monitor ........................................................................................................................................... 11-6
11.3.1.2   Temperature Control............................................................................................................................................ 11-6
11.3.1.3   Line Up(ESR)/Defrost ......................................................................................................................................... 11-6
11.3.1.4   Line Up(MFESR)/Defrost ................................................................................................................................... 11-6

11.3.2 Defrost Control .............................................................................................................................................. 11-6

11.3.2.1   Defrost States ....................................................................................................................................................... 11-6
11.3.2.2   Defrost Types....................................................................................................................................................... 11-6
11.3.2.3   Defrost Termination............................................................................................................................................. 11-7
11.3.2.4   Emergency Defrost .............................................................................................................................................. 11-7
11.3.2.5   Hot Gas Defrost with ESR8 and MultiFlex ESR................................................................................................. 11-7

11.3.3 Clean and Door Switches............................................................................................................................... 11-7

11.3.3.1 Clean Switches..................................................................................................................................................... 11-7
11.3.3.2 Door Switches ...................................................................................................................................................... 11-7

11.3.4   Fan Control ....................................................................................................................................................  11-8
11.3.5   The TD3 Temperature
Display ........................................................................................................................................................................  11-8
11.3.6   The Control Link CD Case Display ...............................................................................................................  11-8
11.3.7   Wiring.............................................................................................................................................................  11-8

................................................................................................................................... 11-10

11.4.1 Overview....................................................................................................................................................... 11-10
11.4.2 Case Circuit Control Software Overview..................................................................................................... 11-10

11.4.2.1 Valve Control..................................................................................................................................................... 11-11