17
Adjustment fl ow rate
The airfl ow balance between supply and extract air can
be adjusted. The supply airfl ow rate is adapted on a per-
centage basis to the extract airfl ow rate at the potentio-
meter (28), see table below.
S&P recommends a slight underpressure in the house
e.g. less supply airfl ow then extract airfl ow.
Set potentiometer (28) to the required value (factory se-
tting Position 0).
Position
potentiometer
(28)
89ABCDEF01234567
Ratio supply
air/extract air
-32% -28% -24% -20% -16% -12% -8% -4% 0 +4% +8% +12% +16% +20% +24% +28%
Reduce supply airfl ow Increase supply airfl ow
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