Orion System PT-Link II BACnet2 - Manual (Page 35)

PT-Link II Interface
PT-Link II BACnet ® Technical Guide
35
Appendix D - VCB-X BACnet Parameters
BACnet Properties for the VCB-X Controller
Parameter Name Object Description Limits
Head
Pressure
Setpoint in
Cooling Mode
ClHdPrSt AV:293 This is the
Head Pressure
Setpoint the
unit will control
to in the
Cooling Mode.
240
PSI
420
PSI
Head
Pressure
Setpoint
in Reheat
Mode
HtHdPrSt AV:294 This is the
Head Pressure
Setpoint the
unit will control
to in the De-
humidifi cation
Reheat Mode.
240
PSI
420
PSI
Heating Low
Reset Source HtLoRt AV: 328 Low Heat Reset
Source Setpoint
1 150
Heating High
Reset Source
HtHiRt AV: 329 High Heat
Reset Source
Setpoint
1 150
Heating
Enabled
HtEnbl AI: 30 Status that
indicates that
mechanical
heating is
enabled.
Heating
Setpoint
Mirror
HtSt AI: 31 Occupied
Heating Mode
Enable Setpoint
Mirror.
Indoor
Humidity
InRh AI: 67 Current value
of the indoor
humidity
sensor.
Indoor
Humidity
Setpoint
InRhSt AV:289 If Coil Temp
Reset is being
used this is
also the lowest
Space RH value
that
corresponds
to the Hi Coil
Temp Setpoint.
0 100
High Indoor
Humidity
Reset Limit
HiInRh AV:292 During Coil
Temp Reset,
this is the
highest Space
RH value that
corresponds to
the Low Coil
Temp Setpoint.
0 100
Indoor
Humidity
Setpoint
Mirror
InRhStM AI: 114 Mirror of the
InRhSt “read
only.”
Leaving Water
Temperature
LvWtrTp AI:278 Leaving Water
Temperature
Value
BACnet Properties for the VCB-X Controller
Parameter Name Object Description Limits
Low
Ambient
Relay
Setpoint
LWAmbnt AV:285 Temperature at
which the Low
Ambient Relay
will activate in
the Occupied
or Unoccupied
Mode.
-30 70
Modulating
Cooling
Position
MdClPos AI: 115 Current
position of the
modulating
cooling signal
(Chilled water
or digital
compressor).
Modulating
Gas Valve
Position
MdGs
VPos
AI:274 Current
position of
MODGAS
modulating gas
valve control.
Modulating
Heating
Position
MdHtPos AI: 116 Current
position of the
modulating
heating signal
(hot water or
SCR heat).
Morning
Warm-Up
Setpoint
WmupTg AV:281 In a VAV
application,
upon entering
the
occupied mode,
the Warm-up
Demand will
be activated if
the return air
temperature
falls one degree
below this
setpoint.
50 90
Occupied
Cooling
Setpoint
OcpClSt AV: 42 If the control
temperature
rises one degree
above this
setpoint, the
control will ac-
tivate the cool-
ing demand. If
the control
temperature is
the Supply Air
Sensor, then the
cooling demand
is always
active.
1 110
Revised 4/3/13