I have an old Coleman dual AC/Furnace in my mobile home. The thermostat is a two-wire only with Red and White. I purchased a new Hunter Fan digital thermostat but the wiring diagram does not show how to replace a two-wire thermostat.. the new thermostat has G,W,Y,Rh and RC terminals.. I assume White...

I have an older Coleman Dual AC/Furnace. This spring I noticed the A-Coil freezing over with ice. I turn off the AC and just put on Stand-By and leave the fan running. It will cool for about 30-45 minutes and then freezes again. I'm not concerned now but in July-August in Alabama it will get really ...