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0
0
50
60
130
100
150
200
250
100
200
300
400
500
600
700
2,0
2,5
3,0
4,0
0
1,0
2,0
3,0
4,0
5,0
6,0
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
1,8
2,0
2,2
2,4
2,6
Yonos
PARA 15/6
40 °C
60 °C
30 °C
4540 W
130 l/h
4540 W
5 x 78 l/h
30 °C
0
20
40
°C
60
10
30
50
0
20
40
°C
60
10
30
50
4
3
2
Pumped Manifold (PVST) [2/3]
Fixed value control station for surface heating
with existing main pump
HEATING. COOLING. COMFORT.
e980313
Volume flow [m³/h]
Useful head [mWC]
Useful head of PVST pump
(WILO Yonos PARA 15/6)
Pressure loss [mbar]
Volume flow [l/h]
Example PVST 5 heating circuits:
Desired: Pressure loss = 60 mbar
Required: Turns when open
> open the regulating valve
2.5 turns
Closed
Open
Pressure loss in the boiler circuit with fully open fixed value regulator - balance with regulating valve
Settings via operating knob
Constant differential pressure (∆p-c), for surface heating
Entlüftungsfunktion
Variable differential pressure (∆p-v)
Factory
settings
(fully open)
Example