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Installation and Operating Instructions
Characteristic curve KWL 300 W ET
Supply air
D p
f a
Pa
ó
á
û
ô
ê
Central ventilation unit – KWL 200/300 W/W ET
10 %
â
20 %
ê
30 %
ô
40 %
û
50 %
á
60 %
è
é
70 %
ó
à
80 %
ú
90 %
à
ú
100 %
è
Determine system characteristic curves for supply and extract air:
1. Install pressure measuring connectors in the unit supply, extract, exhaust and intake air ducts (see Fig. 40).
ⓘ Ensure approx. 20 cm straight settling section up to the measuring connectors!
Exhaust
Measuring
device
Fig. 38
Characteristic curve KWL 300 W ET
Extract air
D p
f a
Pa
û
ô
ê
V · m
3
/h
Fig. 40
Supply
Extract
Intake
Measuring
device
24
à
ú
ó
é
á
EN
Fig. 39
10 %
â
20 %
ê
30 %
ô
40 %
û
50 %
á
60 %
é
70 %
ó
80 %
ú
90 %
à
V · m
/h
3
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