Make sure there are no
120/240V wires
Do you have thick black wires
with wire nuts? Is your thermostat
120V or higher? If yes, you have a
line voltage system, and the Lyric
thermostat will not work.
For more thermostat options,
please visit: wifithermostat.com
Record any jumpers
& R-wire configuration
A jumper is a connector between two terminals. Do not use any jumpers with
Lyric, they’re not needed. Record any jumpers:
Check the box that applies to you. You will need this information in Step 9:
A
I only have one R-wire and it is
connected to the R or RC or RH
terminal
B I have one wire connected to R
and one wire connected to RC
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