Application Engineering
B U L L E T I N
AE8-1386 R1 October 2013
Application Guidelines for the
Emerson Closed Loop Digital Controller (XC643)
Table of Contents
Safety
Safety Instructions .................................................... 2 How to See and Modify the Set Points ..................... 11
Safety Icon Explanation ............................................ 2 How to Modify the Set Point of Compressors
Instruction Pertaining to Risk of Electrical Shock, and/or Fans ......................................................... 12
Fire, or Injury to Persons ........................................... 3 The Info Menu ......................................................... 12
Safety Statements .................................................... 3 How to Enter the “Pr1” Parameter List ..................... 12
How to Enter in Parameters List “Pr2” ..................... 12
Introduction How to Change Parameter Values .......................... 12
Overview .................................................................. 4 Keyboard Locking.................................................... 13
Product Specifications .............................................. 4 Parameters ............................................................. 13
Components ............................................................. 5 Compressor Regulation ........................................... 13
Digital Compressor Regulation ................................ 14
Installation and Controller Operating Instructions Fan Regulation ........................................................ 15
Wiring & Electrical Connections ................................ 6 Use of the Programming "HOT KEY" ....................... 15
Probes Connection ................................................... 6 Parameter Default Values and Descriptions ............ 16
Probe Wiring ............................................................. 6 Commissioning the XC643CX ................................. 17
Systems with Compressor Pumpdown Cycle ............ 8 Commissioning the XC643 in the E2 ..................... 17-21
Mounting & Installation .............................................. 8
Controller Display...................................................... 9
Controller Startup ..................................................... 10
First Installation ...................................................... 10
How to Set the Kind of Refrigerant ......................... 10
How to Set the Kind of Probes ............................... 11
Programming Procedure ........................................ 11
Probe Errors .......................................................... 11
© 2013 Emerson Climate Technologies, Inc.
1
Printed in the U.S.A.
To Next Page
Need help?
General
