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1. Turn the system power OFF from the existing
thermostat. Turn the power to the HVAC
system OFF at the main power panel or at
the furnace.
2. Remove the existing thermostat cover to
access the wires from the wall.
(Some thermostats may have multiple covers, screws
or other locking devices that must be removed or
disengaged.)
3. Locate, but do not disconnect the wires.
(If wires are not visible, they may be connected to the
back of the wall plate. Some models may have doors
that open to expose the wires and mounting screws.)
UNINSTALLING THE EXISTING UNIT