06-30-2022, 12:50 PM
Some of the newer Tstats have a freeze protection feature. IIRC, it’s two additional black wires. Since the SCS units don’t have that, those wires must be tied together for the compressor to come on.
Richard and Rhonda Entrekin
99 Newell, 512
Maverick Hybrid Toad
Inverness, FL (when we're home )