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Commissioning and
adjusting
FILLING AND VENTING
Filling the hot water heater
Open a hot water tap in the house.
1.
Fill the hot water heater through the cold water
2.
connection (XL3).
3.
When the water that comes out of the hot water
tap is no longer mixed with air, the water heater is
full and the tap can be closed.
Filling and venting the charge coil
Filling
1.
Open the externally mounted filling valve. Fill the
coil in the hot water heater and the rest of the cli-
mate system with water.
2.
Open the vent valve (QM22).
3.
When the water that exits the vent valve (QM22) is
not mixed with air, close the valve. After a while,
the pressure starts to rise.
Close the filling valve when the correct pressure is
4.
obtained.
Venting
Vent the coil via the vent valve (QM22) and the rest
1.
of the climate system via the relevant vent valves.
2.
Keep topping up and venting until all air has been
removed and the pressure is correct.
The figure shows VPB S200.
XL3
16
Chapter 3 | For the Installer
START-UP AND INSPECTION
Pressure drop diagram, charge coil
Docking connection, supply line (XL8) and docking con-
nection, return line (XL9).
VPB S200
Pressure drop
Tryckfall
(kPa)
(kPa )
50
45
40
35
30
25
20
15
10
5
0
0
0,05
VPB S300 / VPBS S300
Pressure drop
Tryckfall
(kPa )
(kPa)
50
45
40
35
30
25
20
15
10
5
0
0
0,05
Pressure drop diagram, solar coil
Connection, supply line solar heating system (XL13) and
connection, return line solar heating system (XL14).
VPBS S300
Pressure drop
Tryckfall
(kPa )
(kPa)
QM22
5,0
4,0
3,0
2,0
1,0
0
0
0,02 0,04 0,06 0,08
Enamel
Copper
0,1
0,15
0,2
0,25
0,3
0,35
0,1
0,15
0,2
0,25
0,3
0,35
Copper
Enamel
0,1
0,12 0,14 0,16 0,18
NIBE VPB S/ VPBS S
Stainless
0,4
0,45
0,5
Flöde
Flow
(l/s)
(l/s)
Copper
Stainless
Enamel
0,4
0,45
0,5
Flöde
Flow
(l/s)
(l/s)
0,2
Flöde
Flow
(l/s)
(l/s)
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