4
Step 3 – Attach wire labels
The jumper wire can be discarded.
Your thermostat has an internal
jumper.
Match the supplied wire labels to the
existing wiring. If there is no match,
consult the Wiring Guide after this
section.
Disconnect the existing wiring
before removing the wall plate.
You can wrap wires around a
pencil so they do not fall into the
wall.
Step 4 – Remove any existing RC or
RH jumper wire
Step 5 – Remove the existing
wall plate