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Step 6: Remove the old thermostat base
Unscrew the old thermostat base from the wall, gently pull it out
and ensure wires not fall back into the hole in the wall.
Step 7: Attach the base of the PCT503 to the wall
Bundle and insert wires through the hole in the base of the PCT503,
then attach the base to the wall with the screws.
Step 8: Connect wires
Connect wires to the corresponding terminal in the base. If you have
installed a wiring module in step 5, use the picture to help you
remember the name of wires.
Take a picture of the wires when you done to help you remember,
you will be asked for the wiring configuration in the setup wizard.
