SCI ERV-24-HC11 Especificações descarregar pdf (Página 16)

9. Ventilation Damper Cycling

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; it will then re-cycle for as long as the fan continues to operate. The damper

OPEN and CLOSED times are set in Steps 9.1 (“dO”) and 9.2 (“dC”). However, if “CALC” was

selected in Step 8, then Steps 9.1 (“dO”) and 9.2 (“dC”) will be skipped, and damper cycling times will

be automatically calculated according to the fan duty cycle and total period selected in Step 8.2 (“Fd”

and “Ft”).

9.1 Set the damper cycling OPEN time (“dO”).

a. Press the Select button until “dO” appears on display.

b. Using the “+” and “-“ buttons adjust the damper cycling

OPEN time.

The number is the maximum minutes the ventilation damper

will be open each time the fan is energized. 0 disables

damper cycling – meaning the damper will never open.

Range 0-480 minutes – Default 10 minutes.

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SCI ERV-24-HC11 Especificações Página 16