2
VCCX2 Controller Technical Guide
All manuals are also available for download from
www.aaon.com/controlsmanuals.
www.aaon.com
VCCX2 CONTROLLER TECHNICAL GUIDE
REVISION AND DATE CHANGE
Rev. 01N, January 20, 2020
Liquid Line 1-4 Solenoid relay congurations changed to A1,A2,B1,B2 Comp Run
Status in relay table and in wiring illustrations
Rev. 01N, January 20, 2020 Added BI: 126 - Exhaust Fan / Return Fan Proof of Flow Alarm
Rev. 01N, February 13, 2020 Added 11 = OA Damper Calibration to BACnet AI:3
Rev. 01N, July 14, 2020 Miscellaneous minor edits
Rev. 01P, October 1, 2020 Added RSMZ module and BACnet
®
parameters.
Rev. 01P, October 1, 2020 Added Subcool Monitor Controller and BACnet
®
parameters.
Rev. 01P, December 11, 2020 10-foot cable changed to 25-foot cable for E-BUS Outdoor Air & Humidity sensors.
Rev. 01P, December 11, 2020 Revision to Sump Heater and Sump Drain Enable operation.
Rev. 01P, December 11, 2020 Added BACnet
®
AV:94 Sump Drain Override
Rev. 01P, January 21, 2021
Added SIG1 - Return Air Plenum Pressure Sensor and AOUT4 - Modulating
Exhaust Damper to VCC-X EM1 Wiring
Rev. Q, March 24, 2021 Updated RSMZ Trendlog tables, updated labels, miscellaneous minor edits
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
All rights reserved. © December 2020 AAON, Inc.
AAON
®
assumes no responsibility for errors or omissions
in this document.
This document is subject to change without notice.
Danfoss VFD
®
is a registered trademark of Danfoss
Commercial Compressors, S.A., Tallahassee, FL
AAON P/N: G039840, Rev. Q
AAON
®
is a registered trademark of AAON, Inc., Tulsa, OK.
BACnet
®
is a registered trademark of ASHRAE Inc., Atlanta,
GA.
EBTRON
®
is a registered trademark of Ebtron, Inc., Loris,
SC.
GreenTrol
TM
is a registered trademark of GreenTrol Automa-
tion, Inc. Loris, SC.
Paragon MicroTrans
EQ
Series Air Flow Monitoring Station is a
registered trademark of Paragon Controls, Inc., Santa Rosa,
CA.
White-Rodgers
®
is a registered trademark of Emerson
Climate Technologies, Inc., St. Louis, MO
Copeland Scroll™ is a registered trademark of Emerson
Electric Co., Sidney, OH
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