Trane Symbio 700 - Controller Overview; Model Options and Configuration; Functionality Comparison by Feature

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Contents
Control Box Layouts ................................................................................................................................... 14
Single Fan Condenser ............................................................................................................................. 14
Dual Fan Condenser ............................................................................................................................... 14
Air Handler .............................................................................................................................................. 15
Symbio™ 700 Unit Controller (UC) ............................................................................................................. 16
Symbio™ 700 Unit Controller (UC) Troubleshooting Info ......................................................................... 17
Symbio™ 700 Unit Controller LEDS ............................................................................................................ 18
LED Description Notes ............................................................................................................................ 18
Symbio™ 700 Unit LED Functions .............................................................................................................. 19
Symbio 700 Factory Connections ............................................................................................................... 20
Symbio 700 Field Connections ................................................................................................................... 23
Odyssey Adapter Board ............................................................................................................................. 24
Troubleshooting the Compressor Circuit(s) .............................................................................................. 28
Circuit 1 ................................................................................................................................................... 28
Circuit 2 ................................................................................................................................................... 29
Compressor Control Circuit Troubleshooting Tips - derived from bench testing. ..................................... 30
Compressor Protection – (HPC, DTL or Aux switch proving trip) .............................................................. 31
Compressor “X” Proving Trip & Lockout................................................................................................ 31
Two cases can cause a “Circuit X Proving Lockout” event: ................................................................... 31
Compressor X Contactor Failure (Manual Reset) .................................................................................. 31
Compressor Protection – Low Pressure Cutout Control ........................................................................... 32
Prior to Compressor Startup: ................................................................................................................. 32
After Compressor Startup: ..................................................................................................................... 32
Circuit X LPC Trip (Auto-Reset): ............................................................................................................. 32
For Cooling Only Units or Heat Pumps in Active Cooling: ................................................................. 32
For Heat Pump Units in Active Mechanical Heating and Outdoor Air Temperature ≥ 0°F .............. 33
Circuit “X” Low Pressure Lockout (Manual Reset) ................................................................................ 33
Odyssey Relay Board .................................................................................................................................. 34
Odyssey Options Board – BAYMODU001 .................................................................................................. 37
Indoor Options Module Factory Connections ........................................................................................... 38
J11 Options Module Addressing - future ................................................................................................... 39
Indoor Options Module Communication Troubleshooting ...................................................................... 41