White Rodgers 1F90-51 Thermostat User Manual


 
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4. Press
SYSTEM
SWITCH
until COOL is displayed.
5. Repeat step 2 to check cooling tempera-
tures.
6. Press
RUN
PRGM
to begin program operation.
YOUR THERMOSTAT IS NOW COMPLETELY
PROGRAMMED AND READY TO AUTOMATI-
CALLY PROVIDE MAXIMUM COMFORT AND
EFFICIENCY!
Press
SYSTEM
SWITCH
until OFF is displayed. Reattach
thermostat to subbase. Turn on power to the
system. Then press
SYSTEM
SWITCH
to select the opera-
tion mode you want (HEAT or COOL). Press
FAN
SWITCH
until FAN AUTO is displayed (auto-
matic cycling).