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EN
Switching on the boiler
CAUTION: The boiler must be completely
filled with water.
Insert the plug into an earthed wall plug socket.
The boiler starts in STANDBY mode. The button
has a steady white light.
Switch the boiler ON by pressing the ON/
STANDBY button. The boiler water is now heated
and the operating status is indicated by the lit
button.
Check the inlet combination after approx.
10 minutes. Expansion water must run off via the
drain of the inlet combination (fig. 4C).
4C
CAUTION: If no expansion water runs off
during heating, switch off the power supply
immediately and open the hot water tap to
relieve the water pressure. Refer to the
troubleshooting guide.
It takes approx. 30–40 minutes to completely
heat up a boiler filled with cold water.
The boiler water is up to temperature when the
ON/STANDBY button has a steady red light.
Carry out the following flushing procedure:
Flushing the boiler
Leave the water in the boiler for 1 hour after
heating.
Open the boiling water tap until cold water runs
out.
Then repeat both steps twice.
CAUTION: It is essential to follow the flushing
procedure. Also open the cold water tap to
prevent the drain from being damaged by the
discharge of large amounts of boiling water
The boiler is now ready for use.
Decommissioning boiler
9 Remove the plug of the boiler from the wall plug
socket.
9 Turn on the boiling water tap.
9 Wait until cold water runs out.
9 Turn off the boiling water tap.
9 Close the stop valve.
9 Turn on the boiling water tap.
9 Wait until water no longer runs out.
9 Turn off the boiling water tap.
9 Disconnect the hoses from the boiler.
Remove the boiler.
Allow the water from the hoses and the boiler to
drain into the sink.
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