TECHNICAL ASSISTANCE SERVICE
48
Clean the boiler and remove any carbon deposits from
the surfaces of the heat exchanger
at least once a year
.
This not only extends the boiler’s working life, but also
keeps it efficient in terms of heat output and consump-
tion.
Before performing any cleaning operation:
- Switch the electricity supply OFF at the system’s main
switch and turn the control panel function selector to
OFF (
I
)
- Close the fuel shut-off cocks.
EXTERNAL CLEANING
Clean the boiler’s casing panels and control panel with a
soft cloth damped in soapy water.
To remove stubborn marks, use a cloth damped in a 50%
mix of water and denatured alcohol or a suitable cleaning
product.
Wipe the boiler dry after cleaning it.
a
Do not use abrasive products, petrol or triethylene.
INTERNAL CLEANING
b
To ensure that the boiler remains efficient,
change the burner nozzle and check the smoke
scale reading at every annual maintenance.
Also check combustion conditions at regular
intervals during normal functioning.
Proceed as follows to access the internal parts of the
boiler:
- Remove the front and top panels (1) and (2)
- Remove the burner (see page .43)
Cleaning the boiler body
- Release the clips (3) and remove the cover (4) from the
flue gas box
- Remove the turbulators (5) and check them for wear.
Replace as necessary.
- Clean the flue gas path with a flue brush or other
suitable tool and remove any soot through the hole in
the combustion chamber. Take care not to damage the
flame guard (6).
b
Do not use chemical solvents or detergents to clean
the heat exchanger.
DISASSEMBlING AND ClEANING THE BOIlER
1
2
20
40
60
80
100
0
120
3
5
7
4
9
8
