Installing your thermostat
11 Set clock to current day and time.
11a Press s or t to set clock.
11b Press Set Day.
11c Press s or t to select the
day of week.
11d Press Done to save.
(Press and hold a st button to
quickly change a setting.)
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 WiFi network" on
page 10.
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 18
to match your thermostat to your system type.
Congratulations! Your thermostat is operational.
13 Test your thermostat
13a Press the System button to change to
heating or cooling and begin operation.
13b For remote access to your thermostat,
continue to "Connecting to your WiFi
network" on page 10.
If you are not sure of your
heating/cooling system type
or have other questions, go to
honeywellhome.com/support
Heating/cooling system not
turning on? Refer to page 20
or FAQ at
honeywellhome.com/support
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