AAON MODGAS-XWR - Default Chapter; Table of Contents

TABLE OF CONTENTS
OVERVIEW & FEATURES .................................................................................................. 3
INSTALLATION & WIRING ................................................................................................. 4
Important Wiring Considerations & Module Dimensions .......................................................................................... 4
1V1IGN1S 1 Valve, 1 Ignitor, 1 Stage Stand Alone Wiring ...................................................................................... 5
2V2IGN2S 2 Valves, 2 Ignitors, 2 Stages Stand Alone Wiring & Secondary Board Wiring ..................................... 6
2V1IGN1S 2 Valves, 1 Ignitor, 1 Stage Stand Alone Wiring & Secondary Board Wiring ......................................... 8
2V2IGN1S 2 Valves, 2 Ignitors, 1 Stage Stand Alone Wiring ................................................................................ 10
12 E-BUS Expansion Board Wiring ....................................................................................................................... 11
1V1IGN1S 1 Valve, 1 Ignitor, 1 Stage Communicating Wiring ............................................................................... 12
2V2IGN1S 2 Valves, 2 Ignitors, 1 Stage Communicating Wiring ........................................................................... 13
2V2IGN2S 2 Valves, 2 Ignitors, 2 Stages Communicating Wiring & Secondary Board Wiring .............................. 14
2V1IGN1S 2 Valves, 1 Ignitor, 1 Stage Communicating Wiring & Secondary Board Wiring ................................. 16
INPUTS/OUTPUTS ........................................................................................................... 18
OPERATION MODES & STAGING CONFIGURATIONS ..................................................... 19
SEQUENCE OF OPERATIONS .......................................................................................... 20
LCD DISPLAY SCREENS .................................................................................................. 22
TROUBLESHOOTING ....................................................................................................... 29
APPENDIX A - SUPPLY AIR TEMPERATURE SENSOR INSTALLATION .......................... 34
APPENDIX B - MODGAS-XWR2 REPLACEMENT OF THE MODGAS-XWR ........................ 36
PART DESCRIPTION OLD PART NUMBER NEW PART NUMBER
MODGAS-XWR2 Controller (previously
referred to as the MODGAS-XWR-1
V82790 ASM01695
MODGAS-XWR Controller V20780 V20780
12-Relay E-BUS Expansion Module R69180 ASM01873
VCCX2 Controller V87900 ASM01698
VCB-X Controller V28940 ASM01862
Supply Air Temperature Sensor 6” & 12” R36340 & P87140 G051240 & G051250
AAON, Inc.
2425 South Yukon Ave.
Tulsa, OK 74107-2728
www.aaon.com
Factory Technical Support Phone: 918-382-6450
Controls Support Phone: 866-918-1100
This document is subject to change without notice.
AAON P/N:: V22330, Rev. 01C
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