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Installing your thermostat
12 Determine your heating/cooling system type.
Important!
Heating/cooling system type must be set so that your
thermostat operates properly and does not damage your system.
12a
If your system type is conventional single stage (natural gas-powered single
stage with a/c), continue to “Connecting to your Wi-Fi network” on page 26.
12b
If your system is:
• Conventional multistage heat and cool
• Any type of heat pump
• Hydronic
• Other
You MUST change the system type by setting system function 1. See page 48
to match your thermostat to your system type.
If you are not sure of your
heating/cooling system type
or have other questions, go
to wifithermostat.com/support