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RSMVQ2R Technical Guide
TABLE OF CONTENTS
OVERVIEW ....................................................................................................................... 5
RSMVQ2R Overview ............................................................................................................................................. 5
RSMVQ2R Dimensions ......................................................................................................................................... 6
INSTALLATION AND WIRING ......................................................................................... 7
Electrical and Environmental Requirements ........................................................................................................... 7
WIRING ............................................................................................................................ 8
RSMVQ2R Inputs Wiring ....................................................................................................................................... 8
RSMVQ2R Outputs Wiring .................................................................................................................................... 9
INPUTS AND OUTPUTS ................................................................................................ 10
RSMVQ2R Module Inputs/Outputs Map .............................................................................................................. 10
RSMVQ2R Inputs and Outputs .............................................................................................................................11
SEQUENCE OF OPERATIONS ....................................................................................... 12
Cooling Mode, Dehumidication, and Head Pressure Control .............................................................................. 12
Envelope Protection .............................................................................................................................................. 13
Electronic Expansion Valve Operation and Head Pressure Control ..................................................................... 14
LCD SCREENS ............................................................................................................... 15
LCD Display Screen and Navigation Keys ............................................................................................................ 15
Main Screens Map ................................................................................................................................................ 16
Module Screens .................................................................................................................................................... 17
System Status Screens ......................................................................................................................................... 18
Sensor Status Screens ......................................................................................................................................... 19
Alarms Screens ..................................................................................................................................................... 20
Alarm History Screens .......................................................................................................................................... 21
Setpoint Status Screens ....................................................................................................................................... 22
Copeland Packaged VFD Screens ....................................................................................................................... 23
Danfoss VFD Screens .......................................................................................................................................... 24
Copeland VFD Screens ........................................................................................................................................ 26
Copeland VFD Screens and DMQ EXV Screens ................................................................................................. 27
TROUBLESHOOTING .................................................................................................... 28
LED Diagnostics ................................................................................................................................................... 28
Temperature Sensor Testing ................................................................................................................................. 29
Head Pressure Transducer ................................................................................................................................... 30
APPENDIX A: SYSTEM CONFIGURATION ................................................................... 31
Single Condenser Per Module A ........................................................................................................................... 31
Two Condensers Per Module A ............................................................................................................................. 32
Compressor Type Selection .................................................................................................................................. 33
Unit Tonnage Selection and Compressor Type Specication Table ...................................................................... 34
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