Quick Start Guide

Step 4. Take a photo

Take a picture of the wires connected to the terminal of your old

thermostat. You may need to reference this photo later.

RH G

Y1 Y2

W2 O/B

Step 3. Compatibility Check

If you find a thick wire with wire nuts on the backplate of the old

thermostat, or if the voltage of your old system is 120v or higher, it will not

be compatibled with PCT513. If none of the above, then please proceed to

the next step.

120V

higher