Emerson Copeland Scroll - Default Chapter; Table of Contents

1
© 2011 Emerson Climate Technologies
Printed in the U.S.A.
AE5-1377 R2
Application Engineering
BULLETIN
Application Engineering
BULLETIN
TABLE OF CONTENTS
AE5-1377 R2
October 2011
Copeland Scroll
®
Outdoor Condensing Unit
Introduction .........................................................................................................2
Nomenclature/Features......................................................................................2
Performance Data ............................................................................................... 2
Electrical/Physical Data/Sound Data/BOM Details ..........................................2
Generator Requirements ...............................................................................2
Physical Dimensions..........................................................................................2
Installation/Piping Instructions .........................................................................2
Condensing Unit Operational Control ..............................................................3
Control Features ................................................................................................. 3
Fresh Start Program ......................................................................................3
Stop Program .................................................................................................3
Automatic Liquid Injection ..............................................................................3
Compressor Phase Reversal .........................................................................3
Loss of Phase Protection ...............................................................................3
Motor Current Overload .................................................................................4
Non-Adjustable High and Low Pressure Switches ........................................4
Non-Adjustable High Pressure Control .......................................................4
Non-Adjustable Low Pressure Control ........................................................4
Adjustable Low Pressure Switch ...................................................................4
Liquid Floodback Protection ...........................................................................4
Crankcase Heater ..........................................................................................4
Condenser Fan Speed Control ......................................................................4
Enhanced Vapor Injection (EVI) Control ..........................................................4
Electronic Expansion Value (EXV) .................................................................4
TXV selection .................................................................................................5
Other Inputs to the Control Board ....................................................................5
Customer Supplied Control (Thermostat) ......................................................5
Other Outputs from the Control Board .............................................................5
Defrost Control Board ....................................................................................5
Evaporator Fan Control ..................................................................................5
Diagnostic Display Board ..................................................................................5
Short Cycle Protection Option ..........................................................................8
System Diagnostics/Troubleshooting Information (Table 9) ........................15
Sensor Information (Table 10)..........................................................................18
Wiring Diagrams
XJAM/XJAL Single Fan CFV-002 and -012 Models ........................................... 21
XJAM/XJAL Single and Dual Fan TFC-002 and -012 Models ........................... 22
XJAM/XJAL Dual Fan CFV-002 and -012 Models ............................................23
XJAM/XJAL Single Fan CFV-022 Models .......................................................... 24
XJAM/XJAL Single and Dual Fan TFC-022 Models ........................................... 25
XJAM/XJAL Dual Fan CFV-022 Models ............................................................. 26
On Board -022 Bom Defrost Schematic ..........................................................27
APPENDIX:
One Way Communication Board Installation Details (RS Form 026-4909) ........28