Venting the climate system
In event of repeated filling of the climate system or if bubbling sounds are
heard from the heat pump the system may need venting. This is carried
out as follows:
1.
Set the switch in mode and wait approx. 30 seconds.
2.
Turn off the power supply to the heat pump.
3.
Vent the heat pump via the vent valves and the rest of the climate
system via the relevant vent valves.
NOTE
The vent hoses from the container must be drained of water before air
can be released. This means that the system is not necessarily vented
despite the flow of water when the vent valves are opened.
Therefore hold the vent valves open at least 5 seconds.
NIBE™ F750Chapter 2 | The heat pump – the heart of the house28
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