Sime MURELLE HE 25 BF Manual De Instrucciones página 92

If necessary, the drip plate can be filled
ES
using the tap provided (Fig. 20).
PT
GB
4.5. 1 Chimney sweep function (fig. 21)
To check boiler combustion, press the
installer's key for a few seconds. The
chimney sweep function will switch on and
will continue for 15 minutes.
From that moment, the boiler will start
working in heating mode at maximum
power, with cut off at 80°C and re-ignition
at 70°C (ATTENTION! Temperature may
reach excessive values when using unpro-
tected low temperature plants. Before
activating the chimney sweep function
make sure that the radiator valves or
eventual zone valves are open).
The test can also be carried out with the
boiler working in sanitary water mode.
For this, after activating the chimney sweep
function, open one or more hot water fau-
cets. Under these conditions, the boiler will
function at maximum power with the pri-
mary circuit kept at between 60°C and
50°C. During the test, the hot water fau-
cets must remain open.
If the key and
the 15 minutes of the chimney sweep func-
tion, the boiler will be brought respectively
to maximum and minimum power.
The chimney sweep function will automa-
tically switch off after 15 minutes or
is pressed again.
when the key
4.5.2 Cleaning the filter "Aqua Guard
Filter System" (fig. 22)
To clean the filter, close the delivery/return
on/off taps, turn off the power to the con-
trol panel, remove the casing and empty the
boiler using the drain provided.
Place a container for collection underneath
the filter, unscrew the cap and proceed to
clean the filter, removing impurities and
limestone deposits.
Check the seal o-ring before reassembling
the cap with the filter.
92
Fig. 20
are pressed during
Fig. 21
Fig. 22