Trane Tracer UC600 - Wiring Analog Signals

BAS-SVP042A-EN
31
Table 8. Multi-state Values (continued)
Object
Identifi-
er
Object Name
Units of
Measure
Minimum
Maximum
When the Object
Exists
Description
Read/
Write
MV73
Compressor 4 Mode
None None
Units with at least 4
Compressors
[1, Off]
[2, Starting]
[3, Running]
[4, Diag: Safety Circuit Alarm]
[5, Diag: Low Superheat]
[6, Diag: Suction Press Sensor Failure]
[7, Diag: Suction Temp Sensor
Failure]
[8, Diag: Frostat Aarm]
[9, Diag: Discharge Press Sensor
Failure]
[10, Diag: High Pressure Cutout
Alarm]
[11, VFD Fault]
[12, Diag: High Superheat]
[13, Warn: High Disc Press]
[14, Comp Locked Out]
[15, Warn: Frostat Warning]
Read Only
MV78
Fixed Speed Lead
Compressor
None None
Units with at least 2
Compressors
[1, Not Used]
[2, Compressor 2]
[3, Compressor 3]
[4, Compressor 4]
Read Only
MV79
Mechanical Cooling
Stages Failed
None None All Units
[1, 1 Comp Failed]
[2, 2 Comp Failed]
[3, 3 Comp Failed]
[4, 4 Comp Failed]
[5, None Failed]
Read Only
MV80
Mechanical Stages
Active
None None All Units
[1, 0 Compressors]
[2, 1 Compressor]
[3, 2 Compressors]
[4, 3 Compressors]
[5, 4 Compressors]
[6, 1 Compressors]
[7, 2 Compressor]
[8, 3 Compressors]
[9, 4 Compressors]
[10, 0 Compressors]
Read Only
MV82
MSC Unit Discharge
Air Control Strategy
None None All Units
[1, Fixed DA Setpoint]
[2, Return Air Reset]
[3, Space Temp Reset]
Read Only
MV83 MSC Unit Status None None All Units
[1, Normal]
[2, Unit Off]
[3, Warning Present]
[4, Alarm Present]
[5, Exterior Stop]
[6, Local Stop]
[7, E-Stop]
[8, BAS Fire]
[9, BAS Shutdown]
Read Only
MV85
Water Side
Economizer Mode
Status
None None
Units with Water
Side Economizer
[1, Disabled]
[2, Enabled]
[3, Not Present]
Read Only
MV90
Supply Fans Failed
None None All Units
[1, 1 Fan Failed]
[2, 2 Fans Failed]
[3, 3 Fans Failed]
[4, 4 Fans Failed]
[5, 5 Fans Failed]
[6, 6 Fans Failed]
[7, None Failed]
Read Only
MV100 Unit Information None None All Units State 1
Read Only
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