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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.
(Failure to turn off the power to the existing thermostat before removal
could damage your system.)
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. See page 8 for common
examples.)
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