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22. Remove the aerator from the end of the spout (see previous section for details).
⚠
WARNING
dissolved scale from within the PROBOIL tank during flushing, this must be avoided. With the aerator removed
you must expect the hot water stream to be unpredictable so rotate the spout to a safe position.
23. Turn on the 98°C water using the Hotkey, allow to run for at least 20 litres (use a large kitchen measuring jug or
pan to approximate) or until the water stream runs clear.
For maximum cleaning efficiency we recommend steps 1-10 (removing the proboil unit and inverting the boiler
to drain it) to remove the maximum amount of scale and debris from the tank then reconnecting it as described in
steps 14-17.
24. If dirt, debris or scale remain inside the tank then you can repeat the process steps 1-23 (as above) again if
needed.
25. Once completed reassemble the spout aerator (2) in the reverse order, you must ensure the aerator (2) is firmly
pushed into the spouts centre tube (4).
26. Should any residual minor taste or odour from the descale solution remain flush additional water through the
boiler until it subsides.
Cleaning and sterilising the PROBOIL system internal tank
1.2.4
⚠
Periodically it is prudent to clean the PROBOIL.4E boiler this might because the boiler has been left switched off for
very long extended periods, possible contamination from dirt or debris, unwanted taste. When you clean the boiler we
recommend you follow the descaling procedure first.
1) Press and hold the
information is not shown on screen in standby mode).
2) Turn on the 98°C water using the Hotkey and run for at least 4 litres or until the stream of water runs fully cold.
3) Pull the mains power plug (D) out
from the socket on the left-hand face
of the boiler.
PROBOIL.4E user & installation guide v1d
:
Note if the aerator is not removed you can expect to block the aerator with partially
P
key for 1.5 seconds, this will turn the boiler into standby mode (note: temperature
:
21
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