39
CLEANING OF HEAT EXCHANGER
Cleaning of the heat exchanger must be carried out by authorized personnel and is governed by specific regulations. As
a guideline cleaning should take place at least once a year, at the beginning of the winter.
For this operation proceed as follows:
•
Remove burner
(1)
from its housing after having disconnected the gas solenoid valve unit;
•
Remove upper panel
(2
);
•
Remove inspection door
(3
);
•
Remove conveyor
(4
);
•
Brush the exchange elements
(5
);
•
Remove any soot which may have fallen from the exchange elements into the combustion chamber
(5
);
•
Clean all the external surfaces of the heat exchanger;
•
Reassemble everything, paying particular attention to tightness and substituting packing if necessary.