Orion System Two Condenser Head Pressure Module - Manual (Page 2)

Table of Contents
OVERVIEW ........................................................................................................................................................ 3
Overview ......................................................................................................................................................................................3
Features .......................................................................................................................................................................................3
INSTALLATION AND WIRING ........................................................................................................................... 4
Environmental Requirements .......................................................................................................................................................4
Mounting.......................................................................................................................................................................................4
Power Supply ...............................................................................................................................................................................4
Important Wiring Considerations ..................................................................................................................................................5
VCM-X / SA Controller to Two Condenser Head Pressure Module Wiring ..................................................................................6
E-BUS Controller to Two Condenser Head Pressure Module Wiring ...........................................................................................8
Stand-Alone Wiring ....................................................................................................................................................................10
Condenser Type Selection .........................................................................................................................................................10
SEQUENCE OF OPERATION ........................................................................................................................... 11
Inputs and Outputs ..................................................................................................................................................................... 11
Stand-Alone Input Commands .................................................................................................................................................. 11
Input Commands (VCM-X Connection) ......................................................................................................................................12
Modes of Operation ....................................................................................................................................................................12
TROUBLESHOOTING ...................................................................................................................................... 15
Head Pressure Module Valve/Fan Position Troubleshooting .....................................................................................................15
Troubleshooting for Stand Alone Mode ......................................................................................................................................16
Pressure Transducer Troubleshooting ......................................................................................................................................17
Using LEDs to Verify Operation..................................................................................................................................................18
LED Diagnostics .........................................................................................................................................................................19
Other Checks .............................................................................................................................................................................19
APPENDIX FOR VERSION 1.04 AND EARLIER ............................................................................................... 20
VCM-X / SA Connection Wiring ..................................................................................................................................................20
Stand-Alone Wiring ....................................................................................................................................................................21
Condenser Type Selection .........................................................................................................................................................22
Refrigerant Selection ..................................................................................................................................................................23
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: [email protected]
Visit our web site at www.orioncontrols.com
Copyright November 2013 WattMaster Controls, Inc. AAON ® is a registered trademark of AAON, Inc., Tulsa, OK.
WattMaster Form : AA-HP2C-C-TGD-01L
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
COIL
VCM-X Two Condenser Head Pressure Module OE370-23-HP2C 30310
VCM-X Modular E-BUS Controller - Coil OE332-23E-VCMX-MOD-C TBA
VCM-X Modular Controller - Coil OE332-23-VCMX-MOD-C 30553
VCM-X WSHP E-BUS Controller - Coil OE332-23E-VCMX-WSHP-C TBA
VCM-X WSHP Controller - Coil OE332-23-VCMX-WSHP-C 30526
E-BUS Distribution Module - Coil OE365-23-EBD-C 30312