MERCURY NOTICE: Do not put your old thermostat in the trash if it contains mercury in a sealed tube. Contact
your local waste management authority for instructions regarding recycling and proper disposal.
Identify Wires
If any wires are not attached to your old thermostat or are attached to a terminal marked C or C1, they will not be
connected to your new thermostat. Wrap the bare metal end of each of these wires with electrical tape, so it cannot touch
and short other wires.
Disconnect wires and remove the old wallplate only after all wires are labeled. Wrap the wires around a pencil to
prevent them from falling though the wall opening.
Mount New Wallplate
1. Remove coverplate.
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