Owner's Manual
Page 9
... the power to the HVAC system OFF at the main power panel or at the furnace. (Failure to turn off the power to expose the wires and mounting screws.) 9 See page 8 for common examples.) 3. Turn the system power OFF from the wall. (Some thermostats may have doors that must be... connected to the back of the wall plate. Locate, but do not disconnect the wires. (If wires are not visible, they may have multiple covers, screws or other locking devices that open to the existing thermostat before removal could damage your ...
... the power to the HVAC system OFF at the main power panel or at the furnace. (Failure to turn off the power to expose the wires and mounting screws.) 9 See page 8 for common examples.) 3. Turn the system power OFF from the wall. (Some thermostats may have doors that must be... connected to the back of the wall plate. Locate, but do not disconnect the wires. (If wires are not visible, they may have multiple covers, screws or other locking devices that open to the existing thermostat before removal could damage your ...