Air exchange
L
ow humidity in the dwelling can be prevented by reducing ventilation at low outdoor temperatures.
This function can be used in countries with regular sub-zero temperatures and at high altitudes where
the outdoor air is very dry.
This function can also be used at cold outdoor temperatures if no after-heating element has been
installed, and the supply air feels too cold.
Air exchange
↳
Type of ventilation Settings:
Standard setting:
Description:
Energy/Comfort
Energy
Energy: Here, an energy-optimized operation is
ensured by regulating the supply air in relation to the
set temperature curve.
Comfort: Here, the air change is always balanced. The
ventilation level on the supply air and extract air is
always the same.
↳
Type of ventilation Settings:
Standard setting:
Description:
Energy/Comfort
Energy
Energy: Here, an energy-optimized operation is
ensured by regulating the supply air in relation to the
set temperature curve.
Comfort: Here, the air change is always balanced. The
ventilation level on the supply air and extract air is
always the same.
↳
Low temperature curve Settings:
Standard setting:
Description:
15 ↔ 46 °C
38 °C
When curve controlled, the supply air will be temperate
at a time, as a ventilation step is regulated down or up.
Min. curve is level 1
↳
High temperature curve Settings:
Standard setting:
Description:
39 ↔ 60 °C
50 °C
When curve controlled, the supply air will be temperate
at a time, as a ventilation step is regulated down or up.
Max. curve is level 4
↳
Winter low vent. Settings:
Standard setting:
Description:
Level 1 / Level 2 / Level 3 / Off
Off
Here you select the fan speed level at which the unit is
to operate at low outdoor temperatures.
↳
Level winter low Settings:
Standard setting:
Description:
-20 ↔ 10 °C
0 °C
Here you indicate the outdoor temperature at which
operation is to change to "Winter low".
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