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RSMD2R Technical Guide
TABLE OF CONTENTS
OVERVIEW ....................................................................................................................... 5
RSMD2R Overview ................................................................................................................................................ 5
RSMD2R Dimensions ............................................................................................................................................ 6
INSTALLATION AND WIRING ......................................................................................... 7
Electrical and Environmental Requirements .......................................................................................................... 7
WIRING ............................................................................................................................ 8
RSMD2R Inputs Wiring .......................................................................................................................................... 8
RSMD2R Outputs Wiring ....................................................................................................................................... 9
INPUTS AND OUTPUTS ................................................................................................ 10
RSMD2R Module Inputs/Outputs Map ................................................................................................................. 10
RSMD2R Inputs and Outputs ...............................................................................................................................11
SEQUENCE OF OPERATIONS ....................................................................................... 12
Cooling Mode, Dehumidication, and Head Pressure Control .............................................................................. 12
LCD SCREENS ............................................................................................................... 13
LCD Display Screen and Navigation Keys ............................................................................................................ 13
Main Screens Map and RSMD2R Module Screens .............................................................................................. 14
System Status Screens ......................................................................................................................................... 15
Sensor Status Screens ......................................................................................................................................... 16
Setpoint Status Screens ....................................................................................................................................... 17
Alarms Screens ..................................................................................................................................................... 18
Alarm History and Protected Screens ................................................................................................................... 20
Conguration and Diagnostic Screens .................................................................................................................. 21
Diagnostic Screens ............................................................................................................................................... 22
Alarm Counts and Address Screen ....................................................................................................................... 23
TROUBLESHOOTING .................................................................................................... 24
LED Diagnostics ................................................................................................................................................... 24
Suction Pressure Transducer Testing ................................................................................................................... 25
Copeland
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Discharge Thermistor Temperature Sensor Testing ............................................................................ 26
Temperature Sensor Testing ................................................................................................................................. 27
Head Pressure Transducer ................................................................................................................................... 28
APPENDIX A: CONDENSER OPTIONS ......................................................................... 29
Default: Two Condenser Operation ....................................................................................................................... 29
Single Condenser Per Module .............................................................................................................................. 31
Single Condenser Per Two Modules ..................................................................................................................... 33
Single Condenser for Three Modules ................................................................................................................... 35
Two Condensers Per Two Modules ...................................................................................................................... 37
ON/OFF Condenser Options ................................................................................................................................ 40