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Installation and maintenance instructions Logano GE315 • Issue 02/2006
6Maintenance
6.3 Wet-cleaning the boiler
When wet-cleaning, use a cleaning agent appropriate for
the level of contamination. Proceed with the wet cleaning
in the same order as for cleaning with brushes.
You must observe the operating instructions of the
cleaning equipment and the cleaning solution used!
z Select a cleaning agent in accordance with the level
of contamination (soot level or encrustation).
z Cover the control device with foil; spray must not
enter into the control device.
z Spray cleaning agent evenly from the top into the hot
gas flues.
z Heat up the boiler water temperature to at least
70
°C.
z Brush out the hot gas flues.
6.4 Checking the water level
z For systems with a header tank, set the red marker
on the pressure gauge to the required system
pressure. On sealed systems the pressure gauge
marker must be within the green range.
z Check the system water level; where required
replenish with water and vent the entire system.
If
water is lost during operation, replenish it slowly
and vent the entire system. If the system frequently
requires topping up, investigate the cause and rectify
immediately.
6.5 Filling and operational water
Note especially the local water conditions necessary,
carry out water treatment.
USER NOTE!
z For wet-cleaning (chemical cleaning),
observe the operating instructions of
the relevant cleaning equipment and
the cleaning agent.
It may be necessary to vary the wet-
cleaning process from that described
here.
NOTE!
For details on water treatment see the
instruction sheet K8 "Water treatment for
heating systems".
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