Copeland E3 - Page 8

©2025 Copeland LP.
026-1803 R13 Supervisor I&O User Guide viii
TABLE OF CONTENTS
9.20.2 Command-Alarm Matrix ................................................................................................................................................... 9-36
9.21 XR75CX Case Display ............................................................................................................................................................... 9-37
9.21.1 Overview................................................................................................................................................................................. 9-37
9.21.2 Application Advisories....................................................................................................................................................... 9-37
9.21.3 Inputs....................................................................................................................................................................................... 9-38
9.22 XR75CX 2.6................................................................................................................................................................................... 9-38
9.22.1 Application Advisories ...................................................................................................................................................... 9-39
9.22.2 Command .............................................................................................................................................................................. 9-39
9.23 T-Stat............................................................................................................................................................................................... 9-40
9.23.1 General Control.................................................................................................................................................................... 9-40
9.23.2 Alarms...................................................................................................................................................................................... 9-40
9.23.3 Device Commissioning...................................................................................................................................................... 9-40
9.24 Touch T-Stat................................................................................................................................................................................. 9-40
9.25 Energy Meter................................................................................................................................................................................ 9-41
9.26 Data Logging and Graph ......................................................................................................................................................... 9-41
9.27 Flexible Combiner...................................................................................................................................................................... 9-41
9.28 RLDS (Refrigerant Leak Detector System) ......................................................................................................................... 9-42
9.28.1 Communication ................................................................................................................................................................... 9-43
9.28.2 Supported Gases ................................................................................................................................................................. 9-43
9.29 ECB VAV......................................................................................................................................................................................... 9-43
9.30 MRLDS (Modular Refrigerant Leak Detector Sensors)................................................................................................... 9-43
9.31 Control Link Anti-Condensate Controller (CL ACC)........................................................................................................ 9-44
9.31.1 Alarm Handling Logic ........................................................................................................................................................ 9-44
9.31.2 Alarms Configuration ......................................................................................................................................................... 9-44
9.32 HVAC Zone ................................................................................................................................................................................... 9-44
9.32.1 How It Works......................................................................................................................................................................... 9-44
9.32.2 Compatible Applications to be Connected to HVAC Zones.................................................................................. 9-44
9.32.3 Temperature Control.......................................................................................................................................................... 9-45
9.32.4 HVAC Zone Temperature.................................................................................................................................................. 9-45
9.32.5 Economizer Control............................................................................................................................................................ 9-45
9.32.6 Economization Enable....................................................................................................................................................... 9-45
9.32.7 The Effect of Enabling Economization ......................................................................................................................... 9-46
9.32.8 Dehumidification Control ................................................................................................................................................. 9-46
9.32.9 HVAC Zone Humidity Input.............................................................................................................................................. 9-46
9.32.10 Enabling Dehumidification Effect ............................................................................................................................... 9-46
9.32.10.1 MultiFlex RTUs and RCBs................................................................................................................................................................ 9-46
9.32.11 Optimum Start/Stop (OSS) ............................................................................................................................................. 9-46
9.32.12 Intelligent Pre-Starts and Pre-Stops............................................................................................................................ 9-47
9.32.13 Setpoint Reset.................................................................................................................................................................... 9-47
9.33 AHU ................................................................................................................................................................................................. 9-48
9.34 Analog and Digital Combiner ................................................................................................................................................. 9-48
9.35 Anti-Sweat Control..................................................................................................................................................................... 9-48
9.36 Condenser Control..................................................................................................................................................................... 9-49
9.36.0.1 Air Cooled Strategy .............................................................................................................................................................................. 9-49
9.36.0.2 Temperature Differential Strategy.................................................................................................................................................. 9-49
9.36.1 Evaporative Condensers................................................................................................................................................... 9-49
9.36.2 Fan Control ............................................................................................................................................................................ 9-49
9.36.3 Condenser Split Mode ....................................................................................................................................................... 9-50
9.36.4 Fast Recovery ....................................................................................................................................................................... 9-50
9.36.5 Hardware Overview ............................................................................................................................................................ 9-50
9.37 Standard Circuits........................................................................................................................................................................ 9-51
9.38 Case Control Circuits................................................................................................................................................................. 9-51