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If the outside temperature is below 50°F,
DO NOT use the button to move
the temperature below the setpoint tem-
perature. Property damage may result
due to compressor slugging.
11. 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 the system on auto-
matically to bring the temperature to the
selected level by the beginning of the
next program period. See 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). See PRO-
GRAMMING YOUR THERMOSTAT.
• The thermostat is in the HOLD mode.
Press
RUN
PRGM
to start program operation.
See OPERATING YOUR THERMO-
STAT.
• The compressor lockout feature is oper-
ating; wait about 5 minutes for system to
begin running. See OPERATING YOUR
THERMOSTAT.
CAUTION
!