Symbio 400 - Wiring A2L Monitoring sensor to Symbio 700 Condenser March 31, 2026 20:25 Symbio 400Contacts are wired to J17-3 and 4. Reference SS-SVN017C-ENPage 42 Related to symbio 700 Symbio 500 symbio 400 Articles in this section BCXE Schematics - BCHE, BCVE or BCCE Piping Auxiliary drain connection Symbio 400 - Wiring A2L Monitoring sensor to Symbio 700 Condenser Freeze stat mounting DX cooling - Y1 Terminal Block - Symbio or CSTI BCXE Electric heat not coming on - CSTI Controls Flat filter details Electric heat clearance of 3ft explained Corner Weights for BCXE BCXE - Piping KITS - design intent See more Related articles BCXE Schematics - BCHE, BCVE or BCCE DX cooling - Y1 Terminal Block - Symbio or CSTI Interconnecting wiring from a Symbio 700 Odyssey Condenser (Cooling or Heat Pump) to Symbio 400B Blower/Fan Coil Unit? Freeze stat mounting Interconnecting Wiring for Symbio Condenser (Cooling or Heat Pump) to UC400 or Symbio 500