Orion System PT-Link II BACnet3 - Manual (Page 47)

PT-Link II BACnet3 Interface
7. PARAMETER TABLES
47
7.4 VCM-X WSHP (Coil) BACnet Parameters
BACnet Properties for VCM-X WSHP (Coil)
Parameter Name Object Description Limits
Proof of Water
Flow Alarm
POWF1Alm BI: 232 Alarm that
indicates no
Proof of Water
Flow.
Module
Communica-
tions
Alarm
ComMAlm BI: 234 Alarm that
indicates that
one or more
Modules are
not commu-
nicating with
the VCM-X
WSHP
Controller.
Bad Return Air
Sensor
RaTpAlm BI: 365 Alarm that
indicates
a failure in
the Return Air
Sensor.
Title 24 Econo-
mizer Feedback
T24EcFb AI: 384 Current
position of
feedback from
Economizer
actuator.
Title 24
Sensor Alarm
T24TpAlm BI: 385 Outside Air
or Supply Air
Temperature
Sensor is
shorted or
missing.
Title 24 Not
Economizing
When It Should
T24NEWS BI: 386 Economizer
is enabled but
not following
the desired
Economizer
position com-
manded.
Title 24 Econo-
mizing When It
Should Not
T24EWISN BI: 387 Economizer
is not enabled
but the feed-
back signal
indicates a
position more
open than the
minimum.
Title 24 Damper
Failure
T24DpAlm BI: 388 Economizer
is enabled but
not within
10% of de-
sired position
within 150
seconds.
Title 24 Excess
Outdoor Air
T24ExsOA BI: 389 Economizer
feedback
is lost or
Economizer is
not following
commanded
position.
BACnet Properties for VCM-X WSHP (Coil)
Parameter Name Object Description Limits
Modulating
Compressor 2
MdCmp2 AI: 206 Current
position of the
2nd Stage of
Compressor
Modulation.
Head Pressure 1 HdPr1 AI: 207 Head Pressure
for
1st
Compressor
Head Pressure 2 HdPr2 AI: 208 Head Pressure
for
2nd
Compressor
Condenser
Fan 1
CdFan1 AI: 209 Condenser
Fan 1
Signal Status
Condenser
Fan 2
CdFan2 AI: 210 Condenser
Fan 2
Signal Status
Water Temp. A WaterTpA AI: 220 Current water
temperature.
Remote VFD
Reset
RmVFDPos AV:
258 Remote VFD
Position Reset
-1 100
Compressor A
Low Suction
Pressure Alarm
A1LSPAlm BI: 222 Alarm that
indicates
Suction
Pressure for
Circuit A is
below the
Low Suction
Pressure Cool-
ing (Heating)
Setpoint.
Compressor A
Lockout Alarm
A1LktAlm BI: 223 Alarm that in-
dicates Circuit
A Compres-
sors are locked
out.
Compressor B
Low Suction
Pressure Alarm
B1LSPAlm BI: 226 Alarm that
indicates
Suction
Pressure for
Circuit B is
below the
Low Suction
Pressure Cool-
ing (Heating)
Setpoint.
Compressor B
Lockout Alarm
B1LktAlm BI: 227 Alarm that in-
dicates Circuit
B Compres-
sors are locked
out.
Low Water
Temperature
Alarm
LWT1Alm BI: 230 Alarm that
indicates water
temperature
is below the
Leaving Water
Safety Set-
point (Heating
only).