Orion System PT-Link II BACnet3 - Manual (Page 38)

Zone
Zone
7. PARAMETER TABLES
PT-Link II BACnet3 Interface 38
7.1 VCB-X BACnet Parameters
BACnet Properties for the VCB-X Controller
Param-
eter
Name Object Description Limits
Minimum
Desired
Outdoor
Air CFM
OACfmMin AV:291 Minimum Out-
door Airfl ow
CFM Setpoint
.10K 200K
Missing
Outdoor
Air CFM
Sensor
OaCfmAlm BI: 370 Indicates
Outdoor Air
CFM Sensor is
not detected.
Outdoor
Humidity
OaRh AI:52 Current value
of the Outdoor
Humidity
Sensor.
Outdoor
Air
Dewpoint
OaDewPt AI: 332 Current calcu-
lated Outdoor
Air Dewpoint.
Outdoor
Air Tem-
perature
OaTp AI: 54 Current value
of the
outdoor
temperature
sensor.
Outdoor
Air
Tempera-
ture Offset
OaTpOst AV: 53 If the Outdoor
Temperature
Sensor is reading
incorrectly, use
this to enter an
offset to adjust
the Sensor’s
Temperature.
-100 100
Minimum
Outside
Air CFM
Deadband
OacfmDb AV: 359 The Deadband
is used both
above and below
the Outdoor Air
CFM setpoint
to help prevent
hunting.
10 1000
Outdoor
Air Tem-
perature
Sensor
Lost
OaTpAlm BI: 117 Indicates a
failure of the
Outdoor Air
Temperature
Sensor.
Outdoor
Wetbulb OaWtbl AI: 55 Current calcu-
lated value of the
outdoor wetbulb
temperature.
Preheat
Relay
Setpoint
PreHtAmb AV:286 If the Supply Fan
is energized this
is the tempera-
ture at which the
Preheat Relay
will activate.
Operates only
in the Occupied
Mode.
-30 70
Proof
of Flow
Alarm
PofAlm BI: 26 Indicates no
Proof of Water
Flow.
BACnet Properties for the VCB-X Controller
Param-
eter
Name Object Description Limits
Reheat
Enabled
RehtEnbl BI: 363 Modulating
Hotgas Reheat
Enabled.
Reheat
Valve
Position
RtVlvPos AI:277 Current position
of MHGRV
modulating hot
gas reheat valve.
Missing
Reheat
Module
MisMH-
GRV
BI: 374 Indicates that the
MHGRV Module
is not
communicating
with the VCB-X
Controller.
Return Air
CFM
RaCFM AI:275 Current Return
Airfl ow
Measurement.
Missing
Return
Air CFM
Sensor
RaCfmSr BI: 373 Indicates
that the Return
Air CFM Sensor
is not detected.
Return Air
Damper
Position
RaDmp AI: 336 Current Return
Air Damper
position.
Return Air
Humidity
RaRH AI: 337 Current value of
the Return Air
Humidity Sensor.
Return Air
Tempera-
ture
RaTp AI: 64 Current value of
the return tem-
perature sensor.
Return Air
Tempera-
ture Sensor
Offset
RaTpOst AV: 65 If the Return
Temperature
Sensor is reading
incorrectly, use
this to enter an
offset to adjust
the Sensor’s
Temperature.
-100 100
Bad Return
Air Sensor
RaTpAlm BI: 365 Indicates a failure
of the Return Air
Sensor.
Return
Bypass
Damper
Position
RetBydmp AI: 335 Current Return
Bypass Damper
position.
Schedule
Force
SchdFrc AV: 66 0 = Auto (uses
controller’s
schedule)
1 = Forced
Occupied
2 = Forced
Unoccupied
0 2
Current
Slide
Adjust
Offset
SldAdOfs AI: 338 Current Slide
Adjust Offset
value.