43
Param
eters
Description
Delivered
condition
Setting range
04
Set extract air temperature for opening
the bypass in °C (only for Vitovent 300
for max. air flow rate 300 m
3
/h or
400 m
3
/h)
The bypass is open (disabled heat
recovery) when
all
of the following con-
ditions are met:
■ Outdoor air temperature
<
Extract air
temperature
■ Outdoor air temperature
>
Set outdoor
air temperature (
"03"
)
■ Extract air temperature
>
Set extract
air temperature (
"04"
)
22 18 to 30 °C
05
Fixed pressure imbalance to compen-
sate leaks from the building.
■ -100 to 0 m
3
/h generates negative
pressure
■ 0 to +100 m
3
/h generates positive
pressure
Note
Negative pressure inside the building
can result in outdoor air not being induc-
ted through the external wall connection
provided for this. This allows unfiltered
outdoor air to enter the domestic venti-
lation system (e.g. through the chim-
ney).
0 -100 to +100 m
3
/h
Remote control
Setting parameters
(cont.)
5608 999 GB