AAON Orion VCCX2 User Manual

128
VCCX2 Controller Technical Guide
BACnet
®
Properties for the VCCX2 Controller
Parameter Object Description
Limits
Dehum Mode
Head
Pressure
Setpoint
AV: 64 Head Pressure Setpoint in the
Dehumidication Mode.
250 450
Superheat
Setpoint
AV: 65 Superheat Setpoint. 1°F
1°C
30°F
17°C
Maximum
Outdoor
CFM Re-
quirement
AV: 66 Maximum Outdoor Airow
CFM Setpoint in High CO
2
.
.10K 200K
Schedule
Force
AV: 67 0 = Auto (uses controller’s
schedule)
1 = Forced
Occupied
2 = Forced Unoccupied
0 2
Hvac Mode
Override
AV: 68 Overrides normal controller
operation in order to force the
unit into this desired mode.
Conguring for “Auto” will
restore normal unit control of
the mode of operation.
0=Auto
1=Vent
2=Cool
3=Heat
4=Vent
Dehum.
5=Cool
Dehum.
6=Heat
Dehum.
Fan VFD
Override
AV: 69 Override to force the VFD to
this percentage speed. Con-
guring “Auto” will restore
normal unit control of the
VFD speed.
0% 100%
Auto=65535
Outdoor Air
Damper
Override
AV: 70 Overrides all other
Outdoor Air Damper
position commands so as to
maintain this xed
position. Conguring for
“Auto” will restore normal
unit control of the Outdoor
Air Damper/Economizer
operation.
0% 100%
Auto=65535
NOTE: If Econo-
mizer is enabled
and a value less
than 100% is writ-
ten, compressors
will disable. See
Economizer Over-
ride via BACnet
®
section in the
Economizer area
of the Sequence
of Operations for
additional infor-
mation.
Supply
Setpoint
Override
AV: 71 This will override whatev-
er setpoint the Supply Air
Temperature is currently being
controlled to.
0°F
-17.7°C
Zero =
no over-
ride.
200°F
93.3°C
Space
Temperature
Value
AV: 72 If the controller is
congured for this
operation, the user can write a
Space Sensor value.
0°F
17.7°C
120°F
48.8°C
BACnet
®
Properties for the VCCX2 Controller
Parameter Object Description
Limits
Space
Humidity
Value
AV: 73 If the controller is
congured for this
operation, the user can write a
Space Humidity Sensor value.
0 100
Indoor RH
Calibration
Oset
AV: 74 If the Space Humidity
Sensor is reading
incorrectly, you can use this
option to enter an oset
humidity to adjust the Sensor’s
Humidity.
-100% 100%
Relief Fan
VFD
AV: 75 Override to force the VFD to
this percentage speed. Con-
guring “Auto” will restore
normal unit control of the
VFD speed.
0% 100%
Auto=65535
Relief
Pressure
Value
AV: 76 If the controller is
congured for this
operation, the user can write
Building Pressure Sensor
value.
-.5 .5
Carbon
Dioxide
Value
AV: 77 If the controller is
congured for this
operation, the user can write a
CO
2
Sensor value.
0 3000
Outdoor Air
Temperature
Value
AV: 78 If the controller is
congured for this
operation, the user can write
an Outdoor Sensor value.
-40°F
-40°C
150°F
65.5°C
Outdoor Air
Humidity
Value
AV: 79 If the controller is
congured for this
operation, the user can write
an Outdoor
Humidity Sensor value.
0 100
APPENDIX C
-
VCCX2 BACnet
®
VCCX2 BACnet
®
Parameters

AAON Orion VCCX2 Specifications

General

Brand	AAON
Model	Orion VCCX2
Category	Controller
Language	English