VCCX2 ControllerTechnical GuideVCCX2 Controller Code: DT003800-001/SS1088 Version 1.02 and upService Tool SD Code: DT001240-001/SS1063 Version 1.11 and upSystem Manager SD Code: DT002150-001/SS1068 Version 1.11 and upSystem Manager Touch Screen (Limited Access): DT004254-001/SS7013

AAON Orion VCCX2 Technical Manual

Orion VCCX2

OVERVIEW

Applications

Part Number Cross Reference

VCCX2 Controller Dimensions

EM1 Expansion Module Dimensions

E-BUS Digital Room Sensor

E-BUS CO Wall Mounted Sensor

Supply Air Temperature Sensor

Return Air Temperature Sensor

Building Static Pressure Sensor

Remote SAT Reset Signal

Outdoor Air Temperature Sensor

E-BUS Outdoor Air Temperature and Humidity Sensor

E-BUS Return Air Temperature and Humidity Sensor

Supply Fan VFD Signal or Bypass Damper Actuator

Economizer Damper Actuator

Modulating Heating Device

Building Pressure Control Output

Entering Water Temperature Sensor

Exhaust Duct Static Pressure Sensor

VCC-X EM1 Expansion Module Output Wiring

Chilled Water

Return Air Bypass

E-BUS 12 Relay Expansion Module Wiring

RSMV Input Wiring

RSMV Output Wiring

RSMV-HP Input Wiring

RSMV-HP Output Wiring

RSMD Input Wiring

RSMD Output Wiring

RSMSD Input Wiring

RSMSD Output Wiring

MHGRV-X Controller

MODGAS-X Controller

PREHEAT-X Controller

START-UP & COMMISSIONING

INPUTS & OUTPUTS

VCCX2 Controller Inputs & Outputs

VCC-X EM1 Inputs & Outputs

SEQUENCE OF OPERATIONS

Cooling Mode

Economizer Operation (Standard)

Heating Mode

Ventilation Mode

Morning Cool-Down Mode Operation

Airﬂ ow Monitoring

Duct Static Pressure Control

Exhaust Duct Static Pressure Control of Exhaust Fan

VAV Operation with Outdoor Air Temperature Control

Heat Pump Standard Defrost Operation

Waterside Economizer Flush Cycle

Alarm Detection and Reporting

Mechanical Failure Alarms

Trend Logging

TROUBLESHOOTING

OE271 & OE258-01 Pressure Sensor Testing

APPENDIX A - SYSTEM CONFIGURATIONS

INDEX