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Air exchange
Low humidity in the dwelling can be prevented by reducing ventilation at low outdoor temperatures. This function is useful for instance
in countries with regular sub-zero temperatures and at high altitudes where the outdoor air is very dry.
> Air exchange
> Type of ventilation Settings:
Standard setting:
Description:
Water / Comfort / Energy
Comfort
Water: Here, the supply air fan stops running as long as the
domestic water needs heating.
Energy: Here, the energy for operation is optimised.
Comfort: Here, the air exchange is always balanced.
> Comfort Description: Comfort has been selected where the fan speed level for supply
air and extract air is always the same.
> Low temp. compr. start Settings:
Standard setting:
Description:
0 -15 °C / Off / 0 15 °C
Off
Here you indicate whether the heat pump is to start up at low
outdoor temperatures, even if heating is not required.
Off means that the function has been deactivated.
> Level winter low Settings:
Standard setting:
Description:
Level 1 / Level 2 / Level 3 / Off
Off
Here you specify at what fan speed level you want the unit to
operate at low outdoor temperatures.
Off means that the function has been deactivated.
> Temperature winter low Settings:
Standard setting:
Description:
-20 10 °C
0 °C
Here you specify at which outdoor temperature the “Winter low”
function is to be activated.
> Water Description: Water has been selected which means that the supply air fan
stops running as long as the domestic water needs heating. If
the unit is in cooling mode, the supply air will not stop.
> Low temp. compr. start Settings:
Standard setting:
Description:
0 -15 °C / Off / 0 15 °C
Off
Here you indicate whether the heat pump is to start up at low
outdoor temperatures, even if heating is not required.
Off means that the function has been deactivated.
> Level winter low Settings:
Standard setting:
Description:
Level 1 / Level 2 / Level 3 / Off
Off
Here you specify at what fan speed level you want the ventila-
tion unit to operate at low outdoor temperatures.
Off means that the function has been deactivated.
> Temperature winter low Settings:
Standard setting:
Description:
-20 10 °C
0 °C
Here you specify at which outdoor temperature the “Winter low”
function is to be activated.
> Energy Description: Energy has been selected which ensures that the energy for
operation is optimised through regulation of the supply air
volume in relation to the set temperature curve.
> Low temperature curve Settings:
Standard setting:
Description:
15 46 °C
38 °C
With curve control, the supply air will always be temperate as it
is regulated with a fan speed level up or down.
Min. curve is level 1.
> High temperature curve Settings:
Standard setting:
Description:
39 60 °C
50 °C
With curve control, the supply air will always be temperate as it
is regulated with a fan speed level up or down.
Max. curve is level 4.