Orion Control Systems AAON VCCX2 User Manual

116
VCCX2 Controller Technical Guide
BACnet
®
Properties for the VCCX2 Controller
Parameter Object Description
Limits
Application
Software
Version
AI: 1 Current version of the
software in the unit
Control Mode AI: 2 Congured unit
application
See Control Mode
Bits on page 131.
Control Status AI: 3 Current Occupied/
Unoccupied Status
See Control Status
Bits on page 131.
Hvac Mode AI: 4 Current operational status See HVAC Mode
Bits on page 131.
Control
Temperature
AI: 5 Current value of the
Control Temperature Sensor
Mode
Cooling
Setpoint
AI: 6 Cooling Mode Enable
Setpoint Mirror (adjusted
by the Space Sensor Slide
adjustment and/or Night
Setback osets)
Mode
Heating
Setpoint
AI: 7 Heating Mode Enable
Setpoint Mirror (adjusted
by the Space Sensor Slide
adjustment and/or Night
Setback osets)
Sensor Slide
Adjust Eect
AI: 8 Amount of Current Sensor
Slide Adjust
Supply Air
Temperature
AI: 9 Current value of the
Supply Air
Temperature sensor
Supply Air
Setpoint
AI: 10 Current SAT Cooling or
Heating Setpoint if there is
no reset source; Current
calculated SAT setpoint
with Reset Source
Controlling
Coil Temp
Setpoint
AI: 11 This is the current
calculated Coil Suction
Temperature target during
Dehumidication Mode
Space
Temperature
AI: 12 Current value of the Space
Temperature Sensor
Space
Humidity
AI: 13 Current value of the Space
Humidity
Return Air
Temperature
AI: 14 Current value of the
Return Temperature Sensor
Return Air
Humidity
AI: 15 Current value of the Return
Air Humidity
Outdoor Air
Temperature
AI: 16 Current value of the
Outdoor Air
Temperature Sensor
Outdoor Air
Humidity
AI: 17 Current value of the
Outdoor Humidity Sensor
Outdoor Air
Wetbulb
AI: 18 Current calculated
Outdoor Wetbulb
Temperature
BACnet
®
Properties for the VCCX2 Controller
Parameter Object Description
Limits
Outdoor Air
Dewpoint
AI: 19 Current Calculated Outdoor
Air Dewpoint Temperature
Supply Air
Setpoint
Reset Voltage
AI: 20 Supply Air Temp Setpoint
Reset Input Signal
Duct Static
Pressure
AI: 21 Current Duct Static
Pressure
Duct Static
Control
Signal
AI: 22 Current Duct Static
Control Signal (Fan VFD)
Building
Pressure
AI: 23 Current value of the
Building Pressure Sensor
Building
Pressure
Control Signal
AI: 24 Current Building Pressure
Control Signal
Outdoor
Airow
AI: 25 Current Outdoor Airow
Measurement
Supply
Airow
AI: 26 Current Supply Airow
Measurement
Return
Airow
AI: 27 Current Return Airow
Measurement
Exhaust
Airow
AI: 28 Current Exhaust
Airow Measurement
Carbon
Dioxide
AI: 29 Current Indoor
CO
2
Level
Desired
Economizer
Position
AI: 30 Current Modulating Signal
to the Economizer Damper
Economizer
Feedback
Position
AI: 31 Title 24 current position of
feedback from
Economizer actuator
Return
Damper
Position
AI: 32 Current Signal to the
Return Air Damper if
using Return Air Bypass
Return
Bypass
Position
AI: 33 Current Signal to the
Return Air Bypass Damper
if using Return Air Bypass
Modulating
Cooling
Position
AI: 34 Current percentage of the
Modulating Chilled Water
Signal
Modulating
Heat Position
AI: 35 Current percentage of the
Modulating Heating signal
(Hot Water or SCR heat)
Preheater
Leaving Air
Temp #1
AI: 36 Current Preheater
Leaving Air
Temperature #1
Preheater
Leaving Air
Temp #2
AI: 37 Current Preheater
Leaving Air
Temperature #2
Preheater
Entering Air
Temp
AI: 38 Current Entering Air Temp
for Preheater
Preheater
Setpoint
Reset Voltage
AI: 39 Current Voltage Reset Input
Value for Preheater
NOTE: Objects labeled AI and BI are read-only. Objects
labeled AV are read/write. The only sensor values
that can be written to are AV points 72 and 73 and
76 through 79.
APPENDIX C
-
VCCX2 BACnet
®
VCCX2 BACnet
®
Parameters

Orion Control Systems AAON VCCX2 Specifications

General

Brand	Orion Control Systems
Model	AAON VCCX2
Category	Controller
Language	English