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p
– pressure in the expansion vessel
0
p
– setting of the pressure reducing valve
rv
In the case of WSL141,
1
Ball valve
2
Pressure reducing valve
3
Check valve
4
Safety valve
5
Expansion vessel
6
Charging pipe
7
Circulation pump
8
Cold sanitary water
9
Cold circulation water
10
Warm sanitary water
Adjusting the safety valve [MPa (bar)]
System pressure [MPa (bar)]
Volume of the DHW [l]
200
300
* The actual size of the expansion vessel has to be defined by the installer/design engineer according to the extent of the system
the device will be installed in.
5
0,3 (3,0)
Expansion vessel [l]*
5
15
24
1
7
1
3
1
10
9
5
4
2
1
3
1
8
6
0,6 (6,0)
0,35 (3,5)
0,4 (4,0)
8
12
19
26
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