Filling And Venting - Nibe VPB Series User's And Installer's Manual

Filling

FILLING AND VENTING

Filling the hot water heater
1. Open a hot water tap in the house.
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 filling valve (external, not included with
the product). Fill the coil in the hot water heater and
the rest of the climate system with water.
Open the vent valve (QM22).
2.
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.
XL3
The figure shows VPB 200.
VPB/VPBS
START-UP AND INSPECTION
Pressure drop diagram, charge coil
Docking connection, supply line (XL8) and docking con-
nection, return line (XL9).
VPB 200
Pressure drop
Tryckfall
(kPa)
(kPa )
50
45
40
35
30
25
20
15
10
5
0
0 0,05
VPB 300 / VPBS 300
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).
QM22
VPBS 300
Pressure drop
Tryckfall
(kPa )
(kPa)
5,0
4,0
3,0
2,0
1,0
0
0 0,02 0,04 0,06 0,08
E
0,1 0,15 0,2 0,25 0,3 0,35
0,1 0,15 0,2 0,25 0,3 0,35
Cu
E
0,1 0,12 0,14 0,16 0,18
Chapter 3 | For the Installer
R
Cu
0,4 0,45 0,5
Flöde Flow
(l/s)
(l/s)
Cu
R
E
0,4 0,45 0,5
Flöde
Flow
(l/s)
(l/s)
0,2
Flöde
Flow
(l/s)
(l/s)
13