White Rodgers 1F90-51 manual Ating Your Thermostat, simply press, Gramming Your Thermostat

Models: 1F90-51

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ATING YOUR THERMOSTAT.

10.Why does the blower fan keep running after the system has turned off?

You have programmed the fan to run continuously during this period. See PRO-

GRAMMING YOUR THERMOSTAT.

The blower delay feature is operating. This energy saving feature continues to blow conditioned air through the ducts after the system has turned off, rather than letting the air dissipate.

11.Why is the system turning on and off so frequently (seldom)?

The anticipation setting is too low (high). To change anticipation settings, see OPER-

ATING YOUR THERMOSTAT.

12.Between heating and cooling seasons, I want to turn my system off. Can I do this without affecting my thermostat program- ming?

Any time you wish to turn your system off,

simply press

SYSTEM

until the display shows

SWITCH

OFF. This will not affect your thermostat’s programming in any way. To turn the sys-

tem back on, press SYSTEM until HEAT,

SWITCH

COOL, etc. is displayed. The system will automatically begin operating according to the current thermostat program, unless the thermostat is in the HOLD mode. See OP-

ERATING YOUR THERMOSTAT.

13.I live in an area where daylight savings time is observed. How do I change the thermostat clock twice a year without affecting thermostat programming?

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White Rodgers 1F90-51 manual Ating Your Thermostat, simply press, Gramming Your Thermostat, Erating Your Thermostat