AAON RSMZ User Manual

3
RSMZ Technical Guide
TABLE OF CONTENTS
OVERVIEW ....................................................................................................................... 5
RSMZ Overview ...................................................................................................................................................... 5
RSMZ Dimensions .................................................................................................................................................. 6
INSTALLATION AND WIRING ......................................................................................... 7
Electrical and Environmental Requirements ........................................................................................................... 7
RSMZ Module and Subcool Monitor Input/Output Maps ........................................................................................ 8
WIRING ............................................................................................................................ 9
RSMZ Inputs Wiring - Modules 1, 2, 4, and 5 ......................................................................................................... 9
RSMZ Outputs Wiring - Modules 1, 2, 4, and 5 .................................................................................................... 10
RSMZ Inputs Wiring - Modules 3 and 6 .................................................................................................................11
RSMZ Outputs Wiring - Modules 3 and 6 ............................................................................................................. 12
Reheat Expansion Module .................................................................................................................................... 13
Subcool Monitor Module ....................................................................................................................................... 14
SEQUENCE OF OPERATIONS ....................................................................................... 15
Modes of Operation .............................................................................................................................................. 15
Alarms ................................................................................................................................................................... 16
Alarm Faults .......................................................................................................................................................... 17
Alarm Lockouts ..................................................................................................................................................... 18
Subcool Monitor Module Operation ...................................................................................................................... 19
LCD SCREENS ............................................................................................................... 20
LCD Display Screen and Navigation Keys ............................................................................................................ 20
RSMZ LCD SCREENS .................................................................................................... 21
Main Screens Map ................................................................................................................................................ 21
Module Screens .................................................................................................................................................... 22
System Status Screens ......................................................................................................................................... 23
Sensor and Setpoint Status Screens .................................................................................................................... 24
Alarm Warnings and Alarm Faults Screens .......................................................................................................... 25
Alarm Lockouts ..................................................................................................................................................... 26
Danfoss Menu Screens ......................................................................................................................................... 27
SUBCOOL MONITOR LCD SCREENS ........................................................................... 29
Main Screens Map and Subcool Screens ............................................................................................................. 29
Circuit Status and Alarm Screens ......................................................................................................................... 30
Setpoint Screens ................................................................................................................................................... 31
APPENDIX A: TROUBLESHOOTING ............................................................................. 32
RSMZ LED Diagnostics ........................................................................................................................................ 32
Subcool Monitor LED Diagnostics ........................................................................................................................ 33
Reheat Expansion Module LED Diagnostics ........................................................................................................ 34
Temperature Sensor Testing ................................................................................................................................. 35
Liquid Line and Head Pressure Transducer .......................................................................................................... 36
APPENDIX B: DANFOSS VFD ....................................................................................... 37
Parameter Congurations ..................................................................................................................................... 37
APPENDIX C: SYSTEM CONFIGURATION ................................................................... 38
Module and Condenser Conguration .................................................................................................................. 38

AAON RSMZ Specifications

General

Brand	AAON
Model	RSMZ
Category	Control Unit
Language	English