Nibe VPB series User's And Installer's Manual page 17

Start-up and inspection
Pressure drop diagram, charge coil
Docking connection, supply line (XL8) and docking con-
nection, return line (XL9).
VPB 300 / VPBS 300
Pressure
Tryckfall
drop
(kPa)
(kPa)
55
50
45
40
35
30
25
20
15
10
5
0
0 0,05 0,1 0,15 0,2
Pressure drop diagram, solar coil
Connection, supply line solar heating system (XL13) and
connection, return line solar heating system (XL14).
VPBS 300
Pressure
drop
(kPa)
5,0
4,0
3,0
2,0
1,0
0
0 0,02 0,04 0,06 0,08
VPB/VPBS
Cu
R
E
0,25 0,3 0,35 0,4 0,45
Flow (l/s)
Flöde (l/s)
Cu
E
0,1 0,12 0,14 0,16 0,18
Flow (l/s)
0,5
0,2
Chapter 3 | For the Installer 17