Fan Switch (Auto/On) - Honeywell PRO PRO TH4000 Operating Manual
Pro th4000 series programmable thermostat
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Also See for PRO PRO TH4000:
- Operating manual (48 pages) ,
- Owner's manual (25 pages) ,
- Operating manual (48 pages)
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Operating Manual
Fan switch
Set FAN switch to choose whether the fan
runs continuously or only as needed.
69-1760EFS—01
Set the FAN switch to Auto or On.
In "Auto" mode (the most commonly used
setting), the fan runs only when the heat-
ing or cooling system is on.
If set to "On," the fan runs continuously.
M29473
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