Pressure drop diagram SAM 40
0
5
10
15
20
25
30
35
0
100 200 300 400 500 600 700 800 900 1000
(kPa)
Tryckfall över SAM 40
(l/h)
Flöde
T
illgängligt
tryck
Water flow
above SAM 40
Pressure drop over SAM 40
kPa
The diagram shows pressure drop across SAM 40 at
different water flows. Note that the pressure drop is
the same as that which prevails across the climate sys-
tem 1.
Check that the working point is inside the grey working
area. If the working point is inside the darker grey area
to the left of the diagram, it can give an oscillating
supply air temperature.
NOTE
Venting may be necessary on installation and
after a period of use. Vent through vent valve
(QM20).
15Chapter 4 | Pipe and ventilation connectionsSAM 40
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