Trane SYMBIO 700 Troubleshooting Manual page 7

Adding Electric Heat to a Symbio Air Handler paired with a Symbio Condenser .................................... 43
Electric Heat Adapter Harnesses................................................................................................................ 44
Electric Heat Wiring Diagrams ................................................................................................................... 45
Phase Monitor ............................................................................................................................................ 46
Phase Monitor Wire Connections .............................................................................................................. 47
Emergency Stop .......................................................................................................................................... 48
Supply Air Tempering ................................................................................................................................. 49
Heat Pump Heating Lockout ...................................................................................................................... 50
When the Outdoor Air Temperature Active ≤ Heat Pump Heating Lockout Setpoint - Active: ......... 50
When the Outdoor Air Temperature Active > Heat Pump Heating Lockout Setpoint - Active + 5F: .. 50
Symbio 700 Demand Defrost Operation - derived from bench testing ..................................................... 51
First Defrost permit conditions after Power Up. ................................................................................... 51
Subsequent Defrosts permit conditions. ............................................................................................... 51
Sequence of Operation .......................................................................................................................... 51
Defrost Termination ............................................................................................................................... 51
Defrost Cycle Example ............................................................................................................................ 52
Independent Circuit Defrost Operation ................................................................................................. 52
Default Mode.......................................................................................................................................... 52
Condenser Defrost (Heat Pumps Only)...................................................................................................... 53
Demand Defrost Control ........................................................................................................................ 53
Temperature Sensors (NTC) ....................................................................................................................... 55
Zone Sensor Mode ..................................................................................................................................... 58
Zone Sensor Setpoint ................................................................................................................................. 58
Zone Sensor Info ......................................................................................................................................... 59
BAYSENS800 wiring ................................................................................................................................ 59
BAYSENS135 / X13790886 / Wiring ....................................................................................................... 60
Zone Sensor Averaging ............................................................................................................................... 61
Remote Sensor Wiring ............................................................................................................................... 62
Additional Thermostat / Zone Sensor Info ............................................................................................ 63
Condenser Fan Rotation for Dual Fan Units .............................................................................................. 64
Condenser Fan Staging ............................................................................................................................... 65
Dual condenser fan - shared airstream manifolded (cooling only) ....................................................... 65
Dual condenser fan - independent airstream dual (cooling only and heat pump) .............................. 65
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