White Rodgers 1F90-71 Thermostat User Manual


 
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thermostat will override current program-
ming and keep the room temperature at the
selected temperature for two hours. After
two hours, the thermostat will automatically
revert to the program.
HOLD TEMPERATURE — The thermostat
can hold any temperature within its range
for an indefinite period, without reverting to
the program. Press
HOLD
TEMP
. HOLD will be dis-
played. Then choose the desired hold tem-
perature by pressing or . The
thermostat will hold the room temperature
at the selected setting until you press
RUN
PRGM
to
start program operation again. This feature
is ideal for energy conservation when the
building is unoccupied for an extended pe-
riod of time.
“ADVANCE PROGRAM” KEY — Press
ADV
PRGM
to change the thermostat to the next
program period. This will temporarily over-
ride the program, until the next program
period begins (for example, pressing this
key while in the DAY program will advance
the thermostat to the EVE program, which
will remain in effect until the NHT program
begins).
°F/°C CONVERTIBILITY — Press
TIME
FWD
and
TIME
BACK
at the same time until the temperature
display is in °C (Celsius). To display °F,
repeat the process.
ADJUSTABLE HEATING AND COOLING
CYCLE TIMES (ANTICIPATION) — If the
heating/cooling system is turning on and off
too often (short cycles) or not often enough