Duco IQ-unit Guide Rapide page 101

ENGLISH
SITUATION 1: one exhaust vent per zone
Set all exhaust vents to the fully
open position, regardless of the
desired flow rate. When using
DucoVent Design exhaust vents,
leave the outer ring in place for
acoustic effect.
SITUATION 2: Multiple exhaust vents per zone
with equal flow rates
Set all exhaust vents to the fully
open position, regardless of the
desired flow rate.
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