Trane LO - Manual (Page 38)

38 UNT-IOM-6
Figure 26. Resistance temperature curve for the zone sensor, entering water temperature sensor,
and discharge air sensor.
Wall mounted zone sensor
Model # Digit 31 = W
Split-mounted option:
Wall mounted setpoint dial with unit
mounted fan mode switch
Model # Digit 31 = X
Figure 25. Wall mounted zone sensor dimensions.