A space-saving design of the necessary siphon height we can do on request. Contact your sales
representative for detailed information.
The following conditions are essential for correct operation:
-
At each drain a siphon must be connected.
-
Several drains may not be connected to one siphon.
-
The water from the siphon must run in a funnel.
-
Before starting, fill the siphon with water.
-
In case of outdoor units an antifreeze mechanism has to be provided on site.
The heights H1, H2 and H3 can be determined from the maximum negative pressure (p) and max-
imum pressure (p) in the section of the siphon or be determined by the information on the technical
data sheet as follows:
Total pressure
pges
= 1196 Pa
Dynamic pressure
pdyn
= 83 Pa
Total static pressure pstat = pges
– pdyn = 1113 Pa
1 mmWS = 9,81 Pa
H1 > 1113/9,81 = 114 mm + 15 mm (Safety) = about 130 mm
H2 = 65 mm
Siphon on suction side (in direction of airflow before the fan), see
H1 [mm] > p [mm WS]
H2 [mm] > p/2 [mm WS]
Figure 105:
Siphon on suction side
Siphon on pressure side (in direction of airflow after the fan), see
H3 [mm] > p [mm WS]
H4 [mm]
0
Figure 106:
Siphon on pressure side
Summary of Contents for CCEB
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