20
BAS-SVP042A-EN
Table 4. Analog Values (continued)
Object
Identifi-
er
Object Name
Units of
Measure
Minimum
Maximum
When the Object
Exists
Description
Read/
Write
AV149
Cooling PID Maximum
Value
Percent -150% to 150% All Units
Maximum value that the PID
calculation can attain.
Read Only
AV150
Cooling Stages
Requested
None 0 - 10 All Units
Number of Compressors which are
requested to run
Read Only
AV162
Circuit 1 Compressor
Speed
Percent -150% to 150%
Units with variable
speed compressor
(s)
Speed Status for the variable speed
compressor.
Read Only
AV173
Compressor P Gain
None 0.5 to 25 All Units
P Gain for the PID Cooling Calculation Read Only
AV174
Compressor Speed P
Gain
None 0.5 to 25 All Units
P Gain for the PID Cooling Calculation Read Only
AV176
Compressor Error
Deadband
Temperature
(°C or °F)
-50°C (-58°F) to
236°C (482°F)
All Units
Deadband Compressor calculation
uses for speed calculation
Read Only
AV190
Discharge Air Low
Temperature Cutout
Temperature
(°C or °F)
-50°C (-58°F) to
236°C (482°F)
All Units
User Entered Setpoint to disable the
unit when the Discharge Air
Temperature goes below this
temperature.
Writeable
AV203
Supply Fan Maximum
Speed Local
Percent 50 % to 150 % All Units
The maximum speed the fan can run
when enabled
Read Only
AV204
Supply Fan Minimum
Speed Local
Percent 15 % to 150 % All Units
The minimum speed the fan can run
when enabled
Read Only
AV227
Return Temperature
Setpoint BAS
Temperature
(°C or °F)
-7.2°C (45°F) to
35°C (95°F)
Units with Return Air
Reset Method.
Setpoint used in the Reset Calculation
based on return air to set the
Discharge Air Setpoint.
Writeable
AV227
Space Temperature
Setpoint BAS
Temperature
(°C or °F)
-7.2°C (45°F) to
35°C (95°F)
Units with Return Air
Reset Method.
Setpoint used in the Reset Calculation
based on return air to set the
Discharge Air Setpoint.
Writeable
AV300
Compressor 1
Calculated Diff
Refrigerant Pressure
PSI
-500 psi to 500
psi
Units with 1
Compressor
Calculated Differential Pressure
between the Discharge and Suction
Pressure Sensors
Read Only
AV301
Compressor 1
Calculated Max Speed
(Percent)
Percent -150% to 150%
Units with 1
Compressor
Calculated Maximum Speed in RPM of
the Variable speed Compressor
Read Only
AV302
Compressor 1
Calculated Saturated
Discharge Temp
Temperature
(°C or °F)
-50°C (-58°F) to
236°C (482°F)
Units with 1
Compressor
Calculated Saturated Discharge
Temperature calcualted by the
refrigerant temp and pressure.
Read Only
AV303
Compressor 1
Calculated Saturated
Suction Temp
Temperature
(°C or °F)
-50°C (-58°F) to
236°C (482°F)
Units with 1
Compressor
Calculated Suction Temperature by
pressure to temperature conversion.
Read Only
AV304
Compressor 1
Calculated Speed
(RPM)
None 0 - 15000 RPM
Units with 1
Compressor
Calculation of the current speed of the
variable speed compressor, based on
Min and Max speed setpoints.
Read Only
AV305
Compressor 1
Calculated Superheat
Temperature
(°C or °F)
-50°C (-58°F) to
236°C (482°F)
Units with 1
Compressor
Calculated Superheat of the Suction
line by Temperautre and pressure
sensors.
Read Only
AV306
Compressor 1
Estimated Cond
Approach Temp
Temperature
(°C or °F)
-50°C (-58°F) to
236°C (482°F)
Units with 1
Compressor with
Cond Reg Valve
Calculated Condenser approach
temperature based off Refrigerant PT
Conversion and water temperature.
Read Only
AV307
Compressor 1
Estimated Evap
Approach Temp
Temperature
(°C or °F)
-50°C (-58°F) to
236°C (482°F)
Units with 1
Compressor
Calculated approach temperuatre of
the Evaporator refrigerant temprature
and the air temperature.
Read Only
AV308
Compressor 1 Max
Cond Valve Setpoint
Percent -150% to 150%
Units with 1
Compressor with
Cond Reg Valve
Maximum Valve position for the
condenser regulating valve.
Read Only
AV309
Compressor 1 Max
Speed (RPM)
None
5500 -15000
RPM
Units with 1
Compressor
Maximum Speed for the installed
Compressor (Set at Factory)
Read Only
AV310
Compressor 1 Max
Speed Setpt (RPM)
None
5500 -15000
RPM
Units with 1
Compressor
Maximum Speed Setpoint for the
installed compressor. (May not be the
compressor maximum and set at
Factory)
Read Only
AV311
Compressor 1 Min
Cond Valve Setpoint
Percent -150% to 150%
Units with 1
Compressor with
Cond Reg Valve
Minimum Valve position for the
condenser regulating valve.
Read Only
AV312
Compressor 1 Min
Speed (RPM)
None
1100 -15000
RPM
Units with 1
Compressor
Maximum Speed for the installed
Compressor. (Set at Factory)
Read Only
AV313
Compressor 1 Min
Speed Setpt (RPM)
None 1200 - 4000 RPM
Units with 1
Compressor
Maximum Speed Setpoint for the
installed compressor. (May not be the
compressor maximum and set at
factory)
Read Only
AV314
Compressor 1 Run
Hours
None
0 -
9999999827968
Units with 1
Compressor
Totalized run hours of the compressor
from the last run hour reset or
program change.
Read Only
AV319
Compressor 2
Calculated Diff
Refrigerant Pressure
PSI
-500 psi to 500
psi
Units with 2
Compressor
Calculated Differential Pressure
between the Discharge and Suction
Pressure Sensors
Read Only
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