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69-2715EF—07 24
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 you have a traditional system (natural gas forced air with A/C),
your hermostat is set up by default to control this system.
12b If your system is:
• Conventionalmultistageheatandcool
• Anytypeofheatpump
• Hydronic
• Other
You MUST change the system type by setting system function 0170.
See page 54 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