About Advanced Features & Operation
Page 17
CLOCK BACKUP - In the event of a power loss, the thermostat
internal clock will continue to keep proper time for a
minimum of 48 hours without external power or batteries.
2 STAGE OPERATION - The 2nd Stage of heat or cool is
turned on when (1) the 1st Stage has been on for a
minimum of two minutes, and (2) the temperature spread
from the setpoint is equal to or greater than: the setpoint
plus the deadband, plus 2 degrees.
Heat
Setpoint
Cool
Setpoint
Dead
Band
Dead
Band
2 degrees
2 degrees
1st Stage
turn on
2nd Stage
turn on
1st Stage
turn on
2nd Stage
turn on
Heating
Cooling
MINIMUM HEAT/COOL SETPOINT DIFFERENCE - The Heat
and Cool setpoints will not be allowed to come any closer
to each other than the value set in Advanced Setup step
# 9, on page 14. This minimum difference is enforced
during Auto changeover operation.
and Program On
ENERGY SAVING SMART FAN - If Fan On is selected,
page 13, step 4, the fan will run continuously at all times,
except in Off, and will only run if there is a heating or
cooling demand in Unoccupied periods.
OVERRIDE - As explained on page 7, pressing the Override
button during a programmed, Unoccupied period will force
the thermostat into Occupied 1, temporarily, up to 4 hours.
If the Override button is pressed during an Occupied
period, the thermostat will be forced into Unoccupied and
occupied # (1,2 or 3), it was forced out of will be
off, only for that day.
During Override periods the setpoints may be adjusted,
but they will not be remembered after Override ends.
the
turned
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