Parameter tables, 1 vcb-x bacnet parameters, Pt-link ii bacnet3 interface – Orion System PT-Link II BACnet3 User Manual
Page 35

PT-Link II BACnet3 Interface
7. PARAMETER TABLES
35
7.1 VCB-X BACnet Parameters
BACnet Properties for the VCB-X Controller
Param-
eter
Name
Object
Description
Limits
Digital
Compres-
sor Cutoff
DigCmpCf
BI: 379
Occurs if the
digital compres-
sor discharge
temperature rises
above 268°F
or the sensor
is shorted. The
compressor is
disabled.
Digital
Com-
pressor
Lockout
DigCmpLk
BI: 380
Occurs if fi ve
Digital Compres-
sor Cutoffs
occur within
four hours. The
compressor will
be locked out.
Dirty Filter
Alarm
DrtFlAlm
BI: 96
Alarm that
indicates the
fi lters are dirty.
Economiz-
er Enabled
EcoEnbl
AI: 15
Status that
indicates the
economizer is
enabled.
Economiz-
er Enable
Setpoint
EcoEnbSt
AV:283
The economizer
is enabled if the
outdoor drybulb,
dewpoint, or
wetbulb temper-
ature falls below
this setpoint.
-30
80
Economiz-
er Position
EcoPos
AI: 16
Current position
of the econo-
mizer damper.
Max
Economiz-
er in Heat
Mode
MaxEcoHt
AV: 353
Max position
the Economizer
Damper can
open in the Heat-
ing Mode. Takes
priority over
Max Position in
High CO
2
.
0%
100%
Max
Econo-
mizer in
High CO2
Mode
MaxEcoCO
AV: 354
The maximum
value the
Economizer
Minimum Posi-
tion can be reset
up to during CO
2
override.
0%
100%
Minimum
Econo-
mizer
Position
MinEcoSt
AV: 151
Minimum
position of the
economizer in
the occupied
mode.
0
100
BACnet Properties for the VCB-X Controller
Param-
eter
Name
Object
Description
Limits
Force
Econo-
mizer
FrcEcono
AV: 267
Overrides all
other Outdoor
Air Damper
position com-
mands so as to
maintain this
fi xed position.
Confi guring
for “Auto” will
restore normal
unit control of
the Outdoor Air
Damper/Econo-
mizer operation.
0%
100%
Auto=65535
Emergency
Heat
Enabled
EmHtEnbl
BI: 364
Shows the Emer-
gency Heat is
enabled based on
the Compressor
Heating Lockout.
Exhaust
Fan CFM
EtCFM
AI:194
Current Exhaust
Airfl ow
Measurement
Missing
Exhaust
CFM
Sensor
ExtCfmSr
BI: 371
Indicates that the
Exhaust CFM
Sensor is not
detected.
Exhaust
Fan Speed
EtFnSpd
AI: 273
Current value of
the VFD relief
fan signal.
Missing
EM1
Expansion
Module
MisEM1
BI: 366
Indicates that the
EM1 Expansion
Module is not
communicating
with the VCB-X
Controller.
Fan
Starting
Delay
FanDly
AI: 25
Indicates the
current fan status
related to request
to run, fan start-
ing delay or POF
failure.
0=No Request
1=Fan
Running
2=Fan Start
Delay
3=POF Failure
Leaving
H2O
Offset
LvH2OOst
AV: 347
If the Leaving
Water Tempera-
ture Sensor is
reading incor-
rectly, use this to
enter an offset to
adjust the Sen-
sor’s Tempera-
ture.
-100
100
Water
Proof
of Flow
Failure
H2OProf
BI: 382
Indicates no
Proof of Water
Flow.