Turn OFF power
Important! To protect yourself
and your equipment, turn OFF
the power at the breaker box or
switch that controls your heating/
cooling system.
Make sure the power is OFF
Try turning ON your heating/
cooling system by changing the
temperature. If you can’t get the
system to turn ON in 5 minutes,
you’ll know the power is OFF.
OR
Breaker Box
Switch
Take the faceplate o your
old thermostat
On most thermostats, you can
take o the faceplate by grasping
and gently pulling or popping it
o. Some thermostats may have
screws, buttons, or clasps holding
the faceplate on.
Take a picture of how your
wiring looks right now
This picture will come in handy
when you’re installing your new
Lyric thermostat.
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