Honeywell RTH8500 Series User Manual page 12

Installing your thermostat
11 Set date and time.
Touch or
s t
displayed time and date.
Press and hold a button to quickly
change a setting.
thermostat will
Note:This
automatically update for daylight
saving time (if observed in your area)
and all date/time information is stored.
If the thermostat is connected to
Wi-Fi and registered to Total Connect
Comfort, the current time is updated
from the internet.
12 Determine your heating/cooling system type.
Heating/cooling system type must be set so that your
Important!
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:
• Conventional multistage heat and cool
• Any type of heat pump
• Hydronic
• Other
You MUST change the system type by setting system function 0170.
See page 22 to match your thermostat to your system type.
Congratulations! Your thermostat is operational.
13 Test your thermostat.
13a Press the
heating or cooling and begin operation.
13b For remote access to your thermostat,
continue to "Connecting to your Wi-Fi
network" on page 11.
33-00133ES—01
buttons to change
button to change to
SYSTEM
Year
Time
Heating/cooling system not turning
on? Refer to page 26 or FAQ at
wifithermostat.com/support
10
Day
Month
If you are not sure of your
heating/cooling system type
or have other questions,
go to wifithermostat.com
Inside
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