Honeywell RTH5100B 3Fan Control in Heating, Heating system controls fan in a call for heat. Thermostat controls fan in a call for heat.

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Step 10. Configure Installer Setup (Cont)
9. If you do not have a number 3 on the left side of
your display, go to the next page.
10. If you have a number 3 on the left side of your
display, press the Up or Down button to select your
setting for Installer Setup Number 3 in table below.
11. After you select your setting, press the Next button
to go to the next Installer Setup Number.
Replace Batt
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M22061
SETTING
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TALLER
S
ET
UP
NUMBER
3Fan
Control in
Heating
Heating system
controls fan in a call for heat.
Thermostat controls
fan in a call for heat.
DOWN BUTTON
NEXT BUTTON
UP BUTTON