Maico WS 470 Series Operating Instructions Manual page 50

UK | 8 Ventilation
8.2.5 ECO mode, supply air operation
Activates the energy-saving summer opera-
tion with supply air fan. The exhaust fan is
deactivated. This operating mode can only be
selected if the Summer season is set
 Chapter 8.3.
The ventilation level is manually adjustable.
With pulse ventilation, both fans are run in
level III with time limits.
NOTICE
Potential damage from excess humidity.
The internal combi sensor offers no
protection from excess humidity in this
operating mode.
Ensure that the air can flow out through the
opened or tilted window.
● The supplied air can be cooled using a brine
earth heat exchanger.
● Connected external sensors are not taken
into account.
● The selected ventilation level runs until it is
changed again. The pulse ventilation runs
for a limited time according to the timer
interval.
50
8.2.6 ECO mode, exhaust air operation
Activates the energy-saving summer opera-
tion with exhaust air fan. The supply air fan is
deactivated. This operating mode can only be
selected if the Summer season is set
 Chapter 8.3.
The ventilation level is manually adjustable.
With pulse ventilation, both fans are run in
level III with time limits.
Ensure that the air can flow in through
i
the opened or tilted window.
● In the case that the air is too humid, the
excess humidity protection switches to
intensive ventilation.
● Connected external sensors are not taken
into account.
● If using this operating mode in combination
with a connected air-ventilated fireplace,
a differential pressure switch must be in-
stalled. Otherwise, operation is not permit-
ted.
● Ensure sufficient supply air intake during
operation with air-ventilated fireplaces.
Open the windows to balance out the air.