Trane Symbio 700 - Electric Heat; Cvzt & Vvzt; Diagnostics and Alarm Indicator Status

40
ACC-APG001A-EN
NNootteess::
• If Defrost is active on Heat Pump refrigeration circuit 1, then unit response is
Condenser Fan Output 1 OFF.
• If Defrost is active on Heat Pump refrigeration circuit 2, then unit response is
Condenser Fan Output 2 OFF.
Electric Heat
CVZT & VVZT
Table 20. Electric heat staging
Unit Operation Unit Response
Electric Heat Stage 1 Electric Heat Stage 1 Output ON
Electric Heat Stage 2 Electric Heat Stage 1 and 2 Outputs ON
Diagnostics and Alarm Indicator Status
Table 21. Odyssey supported diagnostics and alarm relay functionality
Diagnostic/Alarm
Alarm Indicator
Diagnostic: Unit Communications Failure
Y
On-Board I/O Communication Status Y
Customer Options Module Communication Status Y
Indoor Options Module Communication Status
Y
Heat Options Module Communication Status Y
Supply Fan VFD Communication Status Y
Diagnostic: Demand Defrost Disabled
N
Diagnostic: Demand Defrost Disabled Ckt 1
N
Diagnostic: Demand Defrost Disabled Ckt 2 N
Diagnostic: Demand Defrost Fault A N
Diagnostic: Demand Defrost Fault A Ckt 1
N
Diagnostic: Demand Defrost Fault A Ckt 2
N
Diagnostic: Demand Defrost Fault B
N
Diagnostic: Demand Defrost Fault B Ckt 1 N
Diagnostic: Demand Defrost Fault B Ckt 2 N
Diagnostic: Demand Defrost Fault C
N
Diagnostic: Demand Defrost Fault C Ckt 1
N
Diagnostic: Demand Defrost Fault C Ckt 2
N
Diagnostic: Demand Defrost Fault D N
Diagnostic: VFD Fault Supply Fan - 1 Y
Diagnostic: VFD Supply Fan Ground Fault - 1 Y
Diagnostic: VFD Supply Fan Motor Current Overload - 1 Y
Diagnostic: VFD Supply Fan Short Circuit - 1
Y
Diagnostic: Circuit 1 LPC Lockout Y
AAppppeennddiixx AA