Trane Symbio 500 - TRIAC Output Switching; TRIAC High Side Switching

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BAS-SVX090B-EN
Binary Output, TRIAC High Side Switching, Methods 1 or 2
Checkout Procedure Measurement
Expected Value
Method 1
Measure AC voltage across the binary
output
Vac ≈ 0.0 V (TRIAC = OFF)
Vac ≥ 24.0 V (TRIAC = ON)
Method 2
Measure AC voltage across the binary
input
Vac ≈ 0.0 V (TRIAC = ON)
Vac ≥ 24.0 V (TRIAC = OFF)
Commissioning and Troubleshooting in Powered State