User manual

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24
Ventilation Damper Cycling
General
The purpose of cycling the ventilation damper is to limit the possibility
of over-ventilating, which could cause unnecessary space
conditioning energy to be used.
The damper will open when the fan comes on, but if the fan stays on
longer than needed for the introduction of ventilation air, the damper
will automatically close and open, allowing just the right amount of
ventilation.
The damper OPEN and CLOSED will be set later.
However, if “CALC” was selected there is no need to set the damper
OPEN and CLOSED times, and damper cycling times will be
automatically calculated according to the fan duty cycle and total
period (“Fd” and “Ft”)