Orion System PT-Link II BACnet2 - Manual (Page 36)

PT-Link II BACnet ® Technical Guide
PT-Link II Interface 36
Appendix D - VCB-X BACnet Parameters
Revised 1/20/12
BACnet Properties for the VCB-X Controller
Parameter Name Object Description Limits
Occupied
Heating
Setpoint
OcpHtSt AV: 43 If the control
temperature
drops one
degree below
this setpoint,
the control
will activate
the heating
demand. If the
control
temperature
is the Supply
Air Sensor, then
there is no
heating
demand.
1 110
Hood On
Outdoor
Air Cooling
Setpoint
OaClSt AV:45 This is the
Cooling Mode
Enable
Setpoint used
only in Hood
On Mode.
1 110
Hood On
Outdoor
Air Heating
Setpoint
OaHtSt AV:46 This is the
Heating Mode
Enable
Setpoint used
only in Hood
On Mode.
1 110
Outdoor Air
CFM
OaCFM AI: 193 Current Out-
door Airfl ow
Measurement
Minimum
Desired
Outdoor Air
CFM
OACfmMin AV:291 Minimum Out-
door Airfl ow
CFM Setpoint
.10K 200K
Outdoor
Humidity
OaRh AI:52 Current value
of the Outdoor
Humidity
Sensor.
Outdoor Air
Temperature
OaTp AI: 54 Current value
of the
outdoor
temperature
sensor.
Outdoor Air
Temperature
Offset
OaTpOst AV: 53 If the
Outdoor
Temperature
Sensor is
reading
incorrectly, you
can use this
option to
enter an offset
temperature to
adjust the
Sensor’s
Temperature.
-100 100
BACnet Properties for the VCB-X Controller
Parameter Name Object Description Limits
Preheat
Relay
Setpoint
PreHtAmb AV:286 If the Supply
Fan is ener-
gized this is the
temperature
at which the
Preheat Relay
will activate.
Operates in
the Occupied
or Unoccupied
Mode.
-30 70
Reheat Valve
Position
RtVlvPos AI:277 Current
position of
MHGRV
modulating
hot gas reheat
valve.
Return Air
CFM
RaCFM AI:275 Current Return
Airfl ow
Measurement.
Return Air
Temperature
RaTp AI: 64 Current value
of the return
temperature
sensor.
Return Air
Temperature
Sensor Offset
RaTpOst AV: 65 If the Return
Temperature
Sensor is
reading
incorrectly, you
can use this
option to
enter an offset
temperature to
adjust the
Sensor’s
Temperature.
-100 100
Schedule
Force
SchdFrc AV: 66 0 = Auto (uses
controller’s
schedule)
1 = Forced
Occupied
2 = Forced
Unoccupied
0 2
Space
Temperature
SpcTp AI:72 Current value
of the space
temperature
sensor.
Space
Temperature
Offset
SpcTpOst AV:71 If the Space
Temperature
Sensor is
reading
incorrectly, you
can use this
option to enter
an offset
temperature to
adjust the
Sensor’s
Temperature.
-100 100
Static
Pressure
StaticPr AI:270 Current Static
Pressure.