Bobbo wrote:
rgatijnet1 wrote:
Your AC thermostat gets it's power from the AC unit itself through a two wire connection to a reducing transformer on the 120 volt power input to the AC.
If you do not have power to the AC thermostat, you do not have 120 volt power to the AC unit.
Not necessarily. On my unit, I have power to the thermostat even with no 120v power to the rig. It runs the furnace.
NO RV has a 120 to dc Transformer on the AC/Furnace tstat control. RV tstats are 12 volt. The roof AC control is 12 volt also and has NO Transformer. Residential systems DO have this type Transformer. Doug