147
QUANTECH
FORM QTC3-NM1
ISSUE DATE 08/03/2022
SECTION 7 – UNIT CONTROLS
7
TABLE 19 -
NATIVE BACNET, MODBUS, AND N2 COMMUNICATIONS DATA MAP
Scroll SC-EQ BAS Points List
Rev 2.4
January 11, 2021
SC-EQ Software Version 3.5.0.11
Long Name (BACnet Object Description)
Short Name (BACnet Object Name)
Notes
IP Units
SI Units
Enum Set
BACnet Object & Instance
N2 Metasys Address
MODBUS Address
MODBUS Scale
MODBUS Data Type
LON Profile Name
LON SNVT Type
Remote Setpoint [99=Auto]
REMOTE SETPOINT
°F
°C
AV1
ADF 1
0001
X10
Signed
nviCoolSetPt
SNVT_temp_p
Sys 1 Remote Setpoint
SYS 1 REM SETP
PSIG
BARG
AV1
ADF 1
0001
X10
Signed
nviS1CoolSetPt
SNVT_temp_p
Remote Load Limit Stage [0, 1, 2]
REM LOAD LIMIT STAGE
None
None
AV2
ADF 2
0002
X10
Signed
nviLoadLimStage
SNVT_count
Remote Cooling Range
REM COOLING RANGE
°F (diff)
°C (diff)
AV3
ADF 3
0003
X10
Signed
nviCoolingRange
SNVT_temp_p
Remote Heating Setpoint [999=Auto]
REM HEATING SETP
°F
°C
AV3
ADF 3
0003
X10
Signed
nviHeatSetPt
SNVT_temp_p
Sys 2 Remote Setpoint
SYS 2 REM SETP
PSIG
BARG
AV3
ADF 3
0003
X10
Signed
nviS2CoolSetPt
SNVT_temp_p
Remote Heatpump Mode [0=Pnl, 1=Cool, 2=Heat]
REM HEATPUMP MODE
None
None
AV4
ADF 4
0004
X10
Signed
nviHeatPumpMode
SNVT_count
Remote Start / Stop Command [0=Stop, 1=Run]
REM START STOP CMD
None
None
0=Stop, 1=Run
BV1
BD 1
0061
N/A
Signed
nviChillerEnable
SNVT_switch
Sys 1 Remote Start / Stop Command [0=Stop, 1=Run]
SYS1 REM START STOP CMD
None
None
0=Stop, 1=Run
BV1
BD 1
0061
N/A
Signed
nviS1Enable
SNVT_switch
Sys 2 Remote Start / Stop Command [0=Stop, 1=Run]
SYS2 REM START STOP CMD
None
None
0=Stop, 1=Run
BV2
BD 2
0062
N/A
Signed
nviS2Enable
SNVT_switch
None
None
BV3
BD 3
0063
N/A
Signed
nviYTS01p009
SNVT_switch
History Buffer 1 Request [0=Live Data, 1=History 1 Data]
HISTORY REQUEST
None
None
0=Live Data, 1=History 1 Data
BV4
BD 4
0064
N/A
Signed
nviHistRequest
SNVT_switch
Leaving Chilled Liquid Temp
LEAVING CHILLED LIQ TEMP
°F
°C
AV5
ADF 5
0005
X10
Signed
nvoLvgCHWTemp
SNVT_temp_p
Entering Chilled Liquid Temp
ENTERING CHILLED LIQ TEMP
°F
°C
AV6
ADF 6
0006
X10
Signed
nvoEntCHWTemp
SNVT_temp_p
Leaving Liquid Temp Hot
LEAVING LIQ TEMP HOT
If YCWL
°F
°C
AV7
ADF 7
0007
X10
Signed
nvoLvgHotWTemp
SNVT_temp_p
Discharge Air Temp
DISCHARGE AIR TEMP
If Cond Unit
°F
°C
AV8
ADF 8
0008
X10
Signed
nvoDischAirTemp
SNVT_temp_p
Return Liquid Temp Hot
RETURN LIQ TEMP HOT
If YCWL
°F
°C
AV8
ADF 8
0008
X10
Signed
nvoEntHotWTemp
SNVT_temp_p
Sys 1 Suction Temperature
SYS 1 SUCT TEMP
If EEV or R-410a
°F
°C
AV9
ADF 9
0009
X10
Signed
nvoS1SuctTemp
SNVT_temp_p
Outside Ambient Air Temperature
OUTSIDE AMBIENT AIR TEMP
°F
°C
AV10
ADF 10
0010
X10
Signed
nvoOutsdAirTemp
SNVT_temp_p
Sys 1 Suction Superheat
SYS 1 SUCT SUPERHEAT
If EEV
°F (diff)
°C (diff)
AV11
ADF 11
0011
X10
Signed
nvoS1SuctSuperht
SNVT_temp_p
Sys 1 Run Time [Sec]
SYS 1 RUN TIME
Seconds
Sec
Sec
AV12
ADF 12
0012
X10
Signed
nvoS1RunTime
SNVT_time_sec
Sys 1 Suction Pressure
SYS 1 SUCT PRESS
PSIG
BARG
AV13
ADF 13
0013
X10
Signed
nvoS1SuctPress
SNVT_press
Sys 1 Discharge Pressure
SYS 1 DISCH PRESS
PSIG
BARG
AV14
ADF 14
0014
X10
Signed
nvoS1DischPress
SNVT_press
Sys 1 Suction Temperature [Cond Unit]
SYS 1 SUCT TEMP COND UNIT
If Cond Unit
°F
°C
AV15
ADF 15
0015
X10
Signed
nvoS1SuctTempCND
SNVT_temp_p
Sys 1 Cooler Inlet Refrigerant Temp
SYS 1 COOLER INLET REF TEMP
If R-407c
°F
°C
AV15
ADF 15
0015
X10
Signed
nvoS1ClrInRefTmp
SNVT_temp_p
Sys 1 Defrost Temperature
SYS 1 DEFROST TEMP
If Heatpump
°F
°C
AV16
ADF 16
0016
X1
Signed
nvoS1DefrostTemp
SNVT_temp_p
Sys 1 EEV Output Percent
SYS 1 EEV OUTPUT PCT
If EEV
%
%
AV17
ADF 17
0017
X1
Signed
nvoS1EEVOutPct
SNVT_lev_percent
Sys 1 Anti-Recycle Timer [Sec]
SYS 1 ANTI RECYCLE TIMER
None
None
AV18
ADF 18
0018
X10
Signed
nvoS1AntiRecycle
SNVT_time_sec
Anti-Coincident Timer [Sec]
ANTI COINCIDENT TIMER
None
None
AV19
ADF 19
0019
X10
Signed
nvoAntiCoincTmr
SNVT_time_sec
Sys 2 Suction Temperature
SYS 2 SUCT TEMP
If EEV or R410a and two system unit
°F
°C
AV20
ADF 20
0020
X10
Signed
nvoS2SuctTemp
SNVT_temp_p
Sys 2 Run Time [Sec]
SYS 2 RUN TIME
If two system unit
Sec
Sec
AV21
ADF 21
0021
X10
Signed
nvoS2RunTime
SNVT_time_sec
Sys 2 Suction Pressure
SYS 2 SUCT PRESS
If two system unit
PSIG
BARG
AV22
ADF 22
0022
X10
Signed
nvoS2SuctPress
SNVT_press
Sys 2 Discharge Pressure
SYS 2 DISCH PRESS
If two system unit
PSIG
BARG
AV23
ADF 23
0023
X10
Signed
nvoS2DschPress
SNVT_press
Sys 2 Suction Temperature [Cond Unit]
SYS 2 SUCT TEMP COND UNIT
If Cond Unit and two system unit
°F
°C
AV24
ADF 24
0024
X1
Signed
nvoS2SuctTempCND
SNVT_temp_p
Sys 2 Cooler Inlet Refrigerant Temp
SYS 2 COOLER INLET REF TEMP
If R-407c and two system unit
°F
°C
AV24
ADF 24
0024
X1
Signed
nvoS2ClrInRefTmp
SNVT_temp_p
Sys 2 Defrost Temperature
SYS 2 DEFROST TEMP
If Heatpump and two system unit
°F
°C
AV25
ADF 25
0025
X1
Signed
nvoS2DefrostTemp
SNVT_temp_p
Sys 2 Suction Superheat
SYS 2 SUCT SUPERHEAT
If EEV and two system unit
°F (diff)
°C (diff)
AV26
ADF 26
0026
X1
Signed
nvoS2SuctSuperht
SNVT_temp_p
Sys 2 Anti-Recycle Timer [Sec]
SYS 2 ANTI RECYCLE TIMER
If two system unit
None
None
AV27
ADF 27
0027
X1
Signed
nvoS2AntiRecycle
SNVT_time_sec
Sys 2 EEV Output Percent
SYS 2 EEV OUTPUT PCT
If EEV and two system unit
%
%
AV28
ADF 28
0028
X1
Signed
nvoS2EEVOutPct
SNVT_lev_percent
Number of Compressors
NUMBER COMPRESSORS
None
None
AV29
ADF 29
0029
X10
Signed
nvoNumberOfCompr
SNVT_count
Sys 1 Alarm [0=No Alarm, 1=Alarm]
SYS 1 ALARM
0=No Alarm, 1=Alarm Active
BV5
BD 5
0065
N/A
Signed
nvoS1Alarm
SNVT_switch
Sys 2 Alarm [0=No Alarm, 1=Alarm]
SYS 2 ALARM
If two system unit
0=No Alarm, 1=Alarm Active
BV6
BD 6
0066
N/A
Signed
nvoS2Alarm
SNVT_switch
Evaporator Heater Status
EVAPORATOR HEATER STATUS
0=Off, 1=On
BV7
BD 7
0067
N/A
Signed
nvoEvapHeater
SNVT_switch
Evaporator Pump Status
EVAPORATOR PUMP STATUS
0=Off, 1=On
BV8
BD 8
0068
N/A
Signed
nvoEvapPump
SNVT_switch
Sys 1 Comp 1 Run
SYS 1 COMP 1 RUN
0=Off, 1=On
BV9
BD 9
0069
N/A
Signed
nvoS1Comp1Run
SNVT_switch
Sys 2 Comp 1 Run
SYS 2 COMP 1 RUN
If two system unit
0=Off, 1=On
BV10
BD 10
0070
N/A
Signed
nvoS2Comp1Run
SNVT_switch
Sys 1 Liquid Line Solenoid Valve
SYS 1 LIQUID LINE SOL VALVE
If Not Heatpump
0=Off, 1=On
BV11
BD 11
0071
N/A
Signed
nvoS1LiqLineSol
SNVT_switch
Sys 1 Mode Solenoid Valve
SYS 1 MODE SOL VALVE
If Heatpump
0=Off, 1=On
BV11
BD 11
0071
N/A
Signed
nvoS1ModeSol
SNVT_switch
Sys 1 Hot Gas Bypass Valve
SYS 1 HOT GAS BYPASS VALVE
If Not Heatpump
0=Off, 1=On
BV12
BD 12
0072
N/A
Signed
nvoS1HtGasBypCmd
SNVT_switch
BV12
BD 12
0072
N/A
Sys 1 Comp 2 Run
SYS 1 COMP 2 RUN
0=Off, 1=On
BV13
BD 13
0073
N/A
Signed
nvoS1Comp2Run
SNVT_switch
Sys 2 Comp 2 Run
SYS 2 COMP 2 RUN
If two system unit
0=Off, 1=On
BV14
BD 14
0074
N/A
Signed
nvoS2Comp2Run
SNVT_switch
Sys 2 Liquid Line Solenoid Valve
SYS 2 LIQUID LINE SOL VALVE
If Not Heatpump and two system unit
0=Off, 1=On
BV15
BD 15
0075
N/A
Signed
nvoS2LiqLineSol
SNVT_switch
Sys 2 Mode Solenoid Valve
SYS 2 MODE SOL VALVE
If Heatpump and two system unit
0=Off, 1=On
BV15
BD 15
0075
N/A
Signed
nvoS2ModeSol
SNVT_switch
Lead System Number [0=Sys1, 1=Sys2]
LEAD SYSTEM NUMBER
0=Sys1, 1=Sys2
BV16
BD 16
0076
N/A
Signed
nvoLeadSysNumber
SNVT_switch
Sys 1 Comp 3 Run
SYS 1 COMP 3 RUN
0=Off, 1=On
BV17
BD 17
0077
N/A
Signed
nvoS1Comp3Run
SNVT_switch
Sys 2 Comp 3 Run
SYS 2 COMP 3 RUN
If two system unit
0=Off, 1=On
BV18
BD 18
0078
N/A
Signed
nvoS2Comp3Run
SNVT_switch
Cooling Type [0=Water, 1=Glycol]
COOLING TYPE
0=Water, 1=Glycol
BV19
BD 19
0079
N/A
Signed
nvoCoolingType
SNVT_switch
Ambient Control Mode [0=StdAmb, 1=LowAmb]
AMBIENT CONTROL MODE
0=Standard Ambient, 1=Low Ambient
BV20
BD 20
0080
N/A
Signed
nvoAmbCtrlMode
SNVT_switch
Local Remote Control Mode [0=Local,1=Remote]
LOCAL REMOTE CONTROL MODE
0=Local, 1=Remote
BV21
BD 21
0081
N/A
Signed
nvoLocRemCtrlMde
SNVT_switch
Display Units [0=Imperial,1=SI]
DISPLAY UNITS
0=Imperial, 1=SI
BV22
BD 22
0082
N/A
Signed
nvoDisplayUnits
SNVT_switch
Lead Lag Control Mode [0=Manual, 1=Auto]
LEAD LAG CONTROL MODE
0=Manual, 1=Auto
BV23
BD 23
0083
N/A
Signed
nvoLedLagCtrlMde
SNVT_switch
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