AAON VCCX2 User Manual

VCCX2 Controller Technical Guide 2
This manual is available for download from www.aaon.com
VCCX2 CONTROLLER TECHNICAL GUIDE
REVISION AND DATE CHANGE
Rev. 01N, January 20, 2020
Liquid Line 1-4 Solenoid relay congurations 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 Module and BACnet parameters
Rev. 01P, December 11, 2020 10-foot cable changed to 25-foot cable for E-BUS Outdoor Air and 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
Rev. R, May 26, 2021
Updated BACnet points to latest VCCX2 software, updated Appendix A gures, various cosmetic
updates
Rev. S. November 24, 2021
Added information regarding Paragon Air Flow. Edited BACnet table. Corrected errata. Updated
formatting.
Rev. T. March 25, 2022 Added information about operation sequences for MUA systems.
Rev. U, January 24, 2024
Added Single Zone VAV Control of High OA Units. Added Direct Fire sequence information. Changes to
Low Ambient Operation. Edits to RSMZ BACnet Property Identier, content reow, updated template,
various cosmetic edits.
Rev. V, February 2, 2024 Added Return Fan Tracking information to sequences
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. © FEBRUARY 2024 AAON, Inc.
It is the intent of AAON to provide accurate and current product
information. However, in the interest of product improvement, AAON
reserves the right to change pricing, specications, and/or design of its
product without notice, obligation, or liability.
AAON
®
is a registered trademark of AAON, Inc., Tulsa, OK. BACnet
®
is a registered trademark of ASHRAE Inc., Atlanta, GA. Copeland
Scroll™ is a registered trademark of Emerson Electric Co., Saint Louis,
MO. Danfoss VFD
®
is a registered trademark of Danfoss Commercial
Compressors, S.A., Tallahassee, FL. EBTRON
®
is a registered trademark
of Ebtron, Inc., Loris, SC. GreenTrol
TM
is a registered trademark of
GreenTrol Automation, Inc. Loris, SC. Paragon MicroTrans
EQ
Series
Airow Monitoring Station is a registered trademark of Paragon Controls,
Inc., Santa Rosa, CA. White-Rodgers
®
is a registered trademark of
Emerson Electric Co., Saint Louis, MO.

AAON VCCX2 Specifications

General

Brand	AAON
Model	VCCX2
Category	Controller
Language	English