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If the outside air temperature is above the HO=XX (heating OFF) value, heating will not
be called regardless of the room and set temperature. If the outside air temperature is
below the CO=XX value, cooling will not be called regardless of the room and set
temperature. "Heat" or "Cool" and the word "Locked" will flash on the LCD to show
that these modes have been restricted.
Adaptive recovery
Only available in programmable mode (sw6=on).
The adaptive recovery function of the SMT‐770 permits the user to program a time that
a desired set temperature is required, letting the thermostat calculate the most energy
efficient time to turn on to achieve the desired temperature at the selected time.
If the user typically returns home at 5:00pm at the end of the work day, setting
program #3 (if used in residential programmable mode) to 5:00pm the SMT‐770 will
calculate the most energy efficient time based on the set and room temperatures as
well as a history of temperature change to bring on the equipment prior to 5:00pm to
meet the desired set temperature by 5:00pm. For example, when heating is required
the heating may start at 4.32pm so that the set temperature is reached at 5:00pm
Adaptive recovery may also prevent the SMT‐770 from running for a few moments just
prior to a program change occurs.
"RECO" is shown in the LCD when ever Adaptive recovery is being used.
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