The delivery fan is
on; the room air
Both fans are working, the
damper of the inflow external air
is closed and the bypass
damper is open. The chilled
water coil treats the inflow air.
The air flow rate can be set
between 90 and 220 mc/h.
Both fans are working and
perform air exchange: the
external air is heated first
by the recuperator through
the ejected air and then by
the hot water circulating
inside the finned coil
is vacuumed and at the setting
temperature
HEAT RECUPERATOR BYPASS
WINTER OPERATION MODES
EXCHANGE ONLY
RECIRCULATION ONLY
14
The inflow temperature is set
by modulating the flow rate of
the finned coil hot water.
The inflow flow rate can be
set between 90 and 360
mc/h.