![]() Move R-Slider Tab on UWP to the R setting.Provide disconnect means and overload protection as required. Wire specifications: Use 18- to 22-gauge thermostat wire. Shaded areas below apply only to TH6320U/TH6220U or as otherwise noted. Wiring conventional systems: forced air and hydronics ![]() See THP9045 instructions for more information. Use the K terminal in place of the Y and G terminals on conventional or heat pump systems to provide control of the fan and the compressor through a single wire-the unused wire then becomes your common wire.
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