Installation, operation and maintenance instructions - DualSun XXXM
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60
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3BBP
V1.2
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March 2020
Page
9
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41
2.3.5
Pressure loss
The following values are derived from measurements with a glycol mixture (40%) and water (60%) at 30 °c.
Figure 4 : Pressure loss curves for DUALSUN Spring XXXM
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60
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3BBPI and 3BBPN panels in portrait with DN15 fittings
Figure 5 : Pressure loss curves for DUALSUN Spring XXXM
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60
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3BBPI and 3BBPN panels in landscape with DN15 fittings
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
0
50
100
150
200
250
300
350
400
PL
(mmWS
)
Flow rate (L/h/panel)
Pressure loss- DN 15 fittings (Glycol 40% @ T=30°C)
1
2
3
4
5
6
Number
of
pan
el
s
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
0
50
100
150
200
250
300
350
400
PL
(mmWS
)
Flow rate (L/h/panel)
Pressure loss- DN 15 fittings (Glycol 40% @ T=30°C)
1
2
3
4
5
6
Number
of
pan
el
s
PAYSAGE
PORTRAIT
* Recommended flow rate for DHW
** Recommended flow rate for thermal discharge
