White Rodgers 1F91W-71 - Manual (Page 33)

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14. 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
HEAT - OFF - COOL - AUTO
until the display shows
OFF. This will not affect your thermostat's
programming in any way. To turn the sys-
tem back on, press SYSTEM
HEAT - OFF - COOL - AUTO
until HEAT,
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.
15. 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?
To change the clock, follow the instructions
for setting current time and day (see EN-
TERING YOUR PROGRAM). Thermostat
programming is not affected when you
change the clock.
16. Do I have to reprogram my thermostat
after I change the battery?
When the thermostat is on the wall and the
system has power, the thermostat is being
powered by a 24 VAC source. If power is
lost, or if the thermostat is removed from the
wall, the program will be retained for ap-
proximately one minute if there is no bat-
tery installed or if the installed battery is