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6 Commissioning and adjusting
NOTE
At the time of commissioning, complete all rel-
evant sections of the Benchmark Checklist loc-
ated at the back of this document.
Completion of the Benchmark Checklist is a
condition of warranty. For full terms and condi-
tions of warranty, please see our website
www.nibe.co.uk.
Filling and venting
Filling the hot water heater
1. Open a hot water tap in the house.
2. Fill the hot water heater through the cold water
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 climate system
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.
2. Open the external venting valve.
3. When the water that exits the external venting valve
is not mixed with air, close the valve. After a while
the pressure starts to rise.
4. Close the filling valve when the correct pressure is
obtained.
Venting
1. Vent the climate system via the relevant venting
valves.
2. Keep topping up and venting until all air has been
removed and the pressure is correct.
14
Chapter 6 |
Commissioning and adjusting
Start-up and inspection
Pressure drop diagram, charge coil
Docking connection, flow line (XL8) and docking connec-
tion, return line (XL9).
Tryckfall
(kPa)
50
45
40
35
30
25
20
15
10
5
0
0
0,05
0,1
0,15
0,2
0,25
0,3
0,35
0,4
0,45
Flöde (l/s)
VPB 200N
0,5
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