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TECHNICAL ASSISTANCE SERVICE
TECHNICAL ASSISTANCE SERVICE
4.7
External cleaning
The external panels of the boiler and control panel must be
cleaned using cloths moistened with soap and water.
To remove marks from the boiler casing, use a cloth damped in a
50% mix of water and denatured alcohol or a suitable cleaning
product.
Carefully dry after cleaning.
0
Do not use abrasive products, petrol or triethylene.
4.8
Boiler inspection - water-side
Carrying out the inspection is important in order to check the
condition of thermal exchange surfaces and the presence of
sludge or lime scale.
To make the inspection, maintenance and cleaning operations
of the internal parts easier and to reduce intervention times,
the front door and the closure of the flue gases chamber are
completely openable.
9
All the operations indicated MUST be carried out with:
− The appliance cold
− The appliance electrically disconnected
− Suitable personal protection equipment
− The water and fuel shut-off valves closed
In order to inspect the upper part of the boiler, partially empty
the boiler before opening inspection openings.
The inspection openings are as follows:
2
1
1
1
1
Inspection
2
Boiler inspection and discharge
The boiler must be completely emptied if the rear inspection
door (2) has to be opened.
Check the state of wear of the gaskets and replace them if nec-
essary.
Once the maintenance operations are complete, refit the com-
ponents working in the opposite direction of what was de-
scribed.
Slowly fill the boiler up to a minimum pressure value of 1 bar.
9
Check that the boiler drain cock is closed prior to filling.
Clean condensation trap
− Disconnect the corrugated condensate outlet pipes (1)
and the tapping point pipe (2), and remove the inspec-
tion cover (3).
3
1
2
1
9
It is mandatory to check and clean the condensation trap
and pipes, up to the collection/drain point, at least once a
year.
On completion of cleaning, follow the above steps in the reverse
order to refit all removed parts.