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Quick Reference To Controls - Honeywell RTHL221 series Operating Manual

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Operating Manual

Quick reference to controls

Set: Press to set time/
day/schedule.
Hold: Press to override
programmed tempera-
ture control.
Run: Press to resume
program schedule.
System switch (see page 7)
• Heat: Heating system control.
• Off: All systems off.
• Cool: Cooling system control.
69-2577ES—01
Screen Lit for 12 seconds when you press any button.
Heat Off Cool
Fan Switch (see page 8)
On: Fan runs continuously.
Auto: Fan runs only when heating or cooling system
is on.
4
Fan
Auto On
M32700
Temperature
adjustment (see
page 13-14)

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Rthl2310 seriesRthl2310bRct8103 series