Table of Contents
OVERVIEW ........................................................................................................................................................ 3
INSTALLATION AND WIRING ........................................................................................................................... 4
Environmental Requirements .......................................................................................................................................................4
Mounting.......................................................................................................................................................................................4
Power Supply and Communications ............................................................................................................................................4
Important Wiring Considerations ..................................................................................................................................................5
VCM-X Modular E-BUS Controller to Full Digital Module Wiring .................................................................................................6
START-UP AND COMMISSIONING .................................................................................................................... 8
General.........................................................................................................................................................................................8
Unit Confi gurations .......................................................................................................................................................................8
MODES OF OPERATION ................................................................................................................................... 9
Digital Stage 1 / Digital Stage 2....................................................................................................................................................9
Off Mode .......................................................................................................................................................................................9
Cooling Mode ...............................................................................................................................................................................9
Heat Pump Heating Mode (Air to Air) ...........................................................................................................................................9
Dehumidifi cation Mode .................................................................................................................................................................9
Defrost Mode ................................................................................................................................................................................9
Staging Delays .............................................................................................................................................................................9
TROUBLESHOOTING ...................................................................................................................................... 10
Using LEDs to Verify Operation..................................................................................................................................................10
LED Diagnostics .........................................................................................................................................................................12
Suction Pressure Transducer Testing .........................................................................................................................................13
APPENDIX ...................................................................................................................................................... 14
VCM-X Controller to Full Digital Module Wiring .........................................................................................................................14
WattMaster Controls Inc.
8500 NW River Park Drive · Parkville , MO 64152
Toll Free Phone: 866-918-1100
PH: (816) 505-1100 · FAX: (816) 505-1101
E-mail: mail@wattmaster.com
Visit our web site at www.orioncontrols.com
WattMaster Form : AA-FDM-TGD-01G
Copyright July 2016 WattMaster Controls, Inc.
AAON Manual Part Number: R84500
AAON
®
is a registered trademark of AAON, Inc., Tulsa, OK.
Neither WattMaster Controls, Inc. nor AAON
®
assumes any responsibility for errors or omissions in this document.
This document is subject to change without notice.
www.aaon.com
PART NUMBER CROSS REFERENCE TABLE
PART DESCRIPTION ORION AAON
VCM-X Full Digital Module OE370-23-FDM-A R74870
VCM-X Modular Controller OE332-23-VCMX-MOD-A R90800
VCM-X Modular E-BUS Controller OE332-23E-VCMX-MOD-A V07150
VCM-X E-BUS Distribution Module OE365-23-EBD-A R82930
VCM-X Expansion Module OE333-23-EM R69190
VCM-X 12 Relay Expansion Module OE358-23-12R R69180
VCM-X One Condenser Head Pressure Module OE370-23-HP1C R74860
VCM-X Two Condenser Head Pressure Module OE370-23-HP2C R90230
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