Orion System MODGAS-X User Manual

Page 2

Table of Contents

GENERAL INFORMATION ................................................................................................................................. 3

Overview ......................................................................................................................................................................................3
Features .......................................................................................................................................................................................3

INSTALLATION & WIRING ................................................................................................................................ 4

Important Wiring Considerations ..................................................................................................................................................4
Single Modulating Valve No Staging ............................................................................................................................................5
One Modulating Valve with Up To 14 Fixed Stages .....................................................................................................................7
Two Modulating Staged Valves with Up To 13 Fixed Stages .......................................................................................................9
Two Modulating Staged Valves .................................................................................................................................................. 11

INPUTS/OUTPUTS .......................................................................................................................................... 13

OPERATION MODES ....................................................................................................................................... 14

Stand-Alone Mode......................................................................................................................................................................14
Communicating Mode ................................................................................................................................................................14

LCD DISPLAY SCREENS ................................................................................................................................. 15

TROUBLESHOOTING ...................................................................................................................................... 19

LED Diagnostics .........................................................................................................................................................................19
Troubleshooting Alarms .................................................................................................................................................................... 19
Temperature Sensor Testing ............................................................................................................................................................ 21

APPENDIX A - Supply Air Temperature Sensor Guide .................................................................................. 23

Supply Air Temperature Sensor Installation ...............................................................................................................................23
Supply Air Temperature Sensor Wiring Chart and Jumper Settings ...........................................................................................23

APPENDIX B - MODGAS-X Replacement of MODGAS II ................................................................................ 25

APPENDIX C - MAXITROL

Stepper Valve Types ........................................................................................... 26

PART NUMBER CROSS REFERENCE TABLE

PART DESCRIPTION

ORION

AAON

TULSA

MODGAS-X Controller

OE377-26-00058

V12090

MHGRV-X Controller

OE377-26-00059

V12100

MHGRV II Controller

OE377-00-00042

R12190

MHGRV III Controller

OE377-00-00054

R71830

Supply Air Temperature Sensor

OE231

P87140

EBC E-BUS Cables - varying lengths

EBC-XXXF

N/A

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
WattMaster Form : AA-MODGASX-FIELD-TGD-01F

AAON

Manual Part No.: V16940

is a registered trademark of AAON, Inc., Tulsa, OK.

MAXITROL

is a registered trademark of Maxitrol, Inc., Southfi eld, MI

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