When I use the #hvac,64,16,22.5,28.5 the heating setpoint set to 23 and not 22.5, this is the reply

~HVAC,64,2,73,83
~HVAC,64,16,22.8,28.3
~HVAC,64,18,78,5,5
~HVAC,64,19,25.6,2.8,2.8
~HVAC,64,14,3

I think lutron send the data to the thermostat in F(73) instead in C(22.5).

does it have a way to have it send in C?