Trane Tracer VV550 Installation, Operation And Maintenance Manual page 89

Table 60. SCC profile for the Tracer
SCC profile SCC
Space temperature Mandatory
Unit status, mode Mandatory
Unit status, heat
Mandatory
output primary
Unit status, heat
Mandatory
output secondary
Unit status, cool
Mandatory
output
Unit status,
Mandatory
economizer output
Unit status, fan output Mandatory
Unit status, alarm
Mandatory
present
Effective setpoint Optional
Effective occupancy Optional
Heat/cool mode Optional
Setpoint Optional
Fan speed Optional
Discharge air
Optional
temperature
Load, absolute Optional
Terminal load Optional
Heat output, primary Optional
Cool output, primary Optional
Outdoor air damper
Optional
position
Space relative
Optional
humidity
Outdoor relative
Optional
humidity
Outdoor air
Optional
temperature
Space CO Optional
2
Effective airflow
Optional
setpoint
Airflow Optional
Alarm message Proprietary
Entering water
Proprietary
temperature
Face and bypass
Proprietary
damper position
CNT-SVX17G-EN
Appendix A: Properties, Data Lists Points, and Network Variables
®
VV550/551 controller (continued)
Network variable
nvoSpaceTemp
nvoUnitStatus mode
g
nvoUnitStatus heat
g
output primary
nvoUnitStatus heat
g
output secondary
nvoUnitStatus cool
g
output
nvoUnitStatus econ
g
output
nvoUnitStatus fan output
g
nvoUnitStatus in alarm
g
nvoEffectSetpt
nvoEffectOccup
nvoHeatCool
nvoSetpoint
nvoFanSpeed
nvoDischAirTemp
nvoLoadAbsK
nvoTerminalLoad
nvoHeatPrimary
nvoCoolPrimary
nvoOADamper
nvoSpaceRH
nvoOutdoorRH
nvoOutdoorTemp
nvoSpaceCO
2
nvoEffectFlowSP
nvoAirFlow
nvoAlarmMessage
nvoEnterWaterTmp
nvoFBDamper
Tracer
Standard network VV550/
variable type (SNVT) 551
SNVT_temp_p Note
SNVT_hvac_status Note
Notes 
SNVT_hvac_status
b, h
Notes 
SNVT_hvac_status
b, i
Notes 
SNVT_hvac_status
b, j
SNVT_hvac_status
SNVT_hvac_status Note
SNVT_hvac_status Note
SNVT_temp_p Note
SNVT_occupancy Note
SNVT_hvac_mode Note
SNVT_temp_p Note
SNVT_switch
SNVT_temp_p Note
SNVT_power_kilo
Present
but
SNVT_lev_percent
always
invalid
SNVT_lev_percent
SNVT_lev_percent
SNVT_lev_percent
SNVT_lev_percent
SNVT_lev_percent
SNVT_temp_p
SNVT_ppm Note
SNVT_flow Note
SNVT_flow Note
SNVT_str_asc Note
SNVT_temp_p
SNVT_lev_percent
®
Tracer Summit BAS
a
property
b
Space Temperature: Active
b
Mode: Active
Heat Output or Air Valve
Position
Heat Output Secondary
Cool Output or Air Valve
Position
Economizer Damper
Position
Supply Fan Speed or
b
Supply Fan Status
b
Alarm Present
Space Temperature
b
Setpoint: Active
Occupancy: Active 
b
or Mode: Occupancy 
or Occupied Bypass: Active
Mode: Heat/Cool
b
or Heat/Cool Mode: Active
Space Temperature
b
Setpoint: Local
No property
b
Discharge Air Temp
Load: Absolute
Load: Terminal
No property
No property
Outdoor Air Damper
Position
Space Humidity: Input
Outdoor Air Humidity:
Input
Outdoor Air Temperature:
Active
Space CO Concentration:
2
b
Input
b
Flow Setpoint: Active
b
Airflow: Active
b
Diagnostic Alarm Status
Entering Water
Temperature: Active
Face And Bypass: Active
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