Bosch Condens 5000 W - Top up the Heating System

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Condens 5000 W – 6720644144 (2019/03)
Preparing the appliance for use
3.5 Top up the heating system
The way in which the heating system is topped up is different on every system.
Therefore, you should ask your installer to show you how it is done.
Maximum pressure of 3 bar at maximum heating water temperature must not be
exceeded (safety valve will open).
CAUTION: Risk of damaging the appliance.
▶ Only top up the heating system when the appliance is cold.