Operation Manual

32
use the
or buttons to move the
temperature above or below the setpoint tem-
perature. Please refer to OPERATING YOUR
THERMOSTAT.
If the outside temperature is below 50°F,
DO NOT use the
or button
to move the temperature above or below
the setpoint temperature.
10. Why doesn’t the temperature change at the
time I programmed?
There may be a number of causes for this
situation. The following are primary reasons.
• The EMR function is operating. The EMR
function will bring on the system to automati-
cally bring the temperature to the selected
level by the beginning of the next program
period. Please refer to OPERATING YOUR
THERMOSTAT.
• You have programmed the incorrect day or
time. Check your programming (be sure that
the times you programmed are correct AM or
PM times). Please refer to PROGRAMMING
YOUR THERMOSTAT.
• The thermostat is in the HOLD mode. Press
RUN
PRGM
to start program operation. Please refer
to OPERATING YOUR THERMOSTAT.
• The compressor lockout feature is operating;
wait about 5 minutes for system to begin
running. Please refer to OPERATING YOUR
THERMOSTAT.
CAUTION
!