Orion System PT-Link II BACnet3 - Manual (Page 34)

Zone
Zone
7. PARAMETER TABLES
PT-Link II BACnet3 Interface 34
7.1 VCB-X BACnet Parameters
BACnet Properties for the VCB-X Controller
Param-
eter
Name Object Description Limits
Cooling
High Reset
Source
ClHiRt AV: 327 If doing Supply
Air Setpoint
Reset, this is
the High Reset
Source value in
Cooling that will
correspond to
the Supply Air
Cooling Setpoint
(Low Reset).
1 150
Condenser
Control
Signal
CdCtrSg1 AI:280 Condenser Fan
Signal 1 Status.
Controlling
Sensor
High
Alarm
Offset
CTpHiAlm AV: 349 If the tem-
perature of the
controlling sen-
sor rises above
the Occupied
Cooling Setpoint
by this value,
a High Control
Temp Alarm
will occur. Only
applies if confi g-
ured for Space
or Return Air
Temp Control, or
as Single Zone
VAV.
0 50
Controlling
Sensor
Low Alarm
Offset
CTpLoAlm AV: 350 If the tempera-
ture of the con-
trolling sensor
falls below the
Occupied Heat-
ing Setpoint by
this value, a Low
Control Temp
Alarm will oc-
cur. Only applies
if confi gured for
Space or Return
Air Temp Con-
trol, or as Single
Zone VAV.
0 50
Control
Status
CtrlSts AI: 4 Current
operational
status.
See Control
Status Bits on
page 43.
Control
Tempera-
ture
CtrlTp AI: 9 Current value of
the control
temperature
sensor.
Cooling
Enabled ClEnbl AI: 6 Status that
indicates
mechanical
cooling is
enabled to
operate.
BACnet Properties for the VCB-X Controller
Param-
eter
Name Object Description Limits
Mechani-
cal Cooling
Lockout
MchClLkt AV: 342 The VCB-X
will Lockout
Mechanical
Cooling when
the Outdoor Air
Temperature
is below this
Setpoint.
-30 100
Mechani-
cal Cooling
Alarm
MchClAlm BI: 94 Compressor Re-
lays are enabled
but the Supply
Air Temperature
has not fallen
5°F within a
user-adjustable
time period. This
does not apply
for Modulating
Cooling.
Cooling
Setpoint
Mirror
ClSt AI: 7 Occupied
Cooling Mode
Enable
Setpoint.
Cool
Staging
Window
ClStgWdw AV: 340 In Cooling
Mode, if the
Supply Air
Temperature
drops below the
Active Supply
Air Cooling
Setpoint minus
this Staging Win-
dow, a Cooling
Stage will be
deactivated after
its Minimum
Run Time.
1 30
Adaptive
Defrost
Interval
Adjust-
ment
AptDfr AV: 356 Adjustment to
the Heat Pump
Defrost Interval
depending on
whether the
Defrost Mode
lasts 10 minutes
or less than 10
minutes.
0 Min 30
Min
Dewpoint
Setpoint
RhDewpSt AV:282 On a MUA unit,
if the outdoor
dewpoint rises
above this
setpoint, the unit
will
activate Dehu-
midifi cation.
35 80