I just intall my tranformer and not sure it it is rigth my old one had 5 wire w or rd black/red black/ble. b/red was on the red to the termostad black/blue was in a grey wire going to a box the orange was not in use and the white black on the 240 .
Now the new one has wh bk rd or
Com 120 208 240
Cec bl y
Com -24