Ferroli MAXIMA 35 C Instructions For Use, Installation And Maintenance page 27

Maxima 35 C
Opening the casing
To open the boiler casing, you need
to follow the sequence given below
and the instructions of fig. 15.
1 Using a screwdriver, fully unscrew
the 2 screws "A "
2 Open by pulling the panel "B "
3 Lift and take off the panel "B "
Cleaning the boiler and burner
The body and burner must not be cleaned with chemical products or wire brushes. Special care must
be taken over all the sealing systems pertaining to the sealed chamber (gaskets, cable clamps, etc.). In
addition, it is necessary to pay attention after performing all these operations to check and carry out all
the phases of ignition and thermostat operation, the gas valve and circulation pump.
After these checks, make sure there are no gas leaks.
Combustion analyser testing
It is possible to analyse the combustion through
the air and flue sampling points shown in fig.
16.
To make the measurement, it is necessary to:
1) Open the flue sampling point
3) Insert the probe;
4) Press the "+" and "-" keys for 5 seconds to
turn on TEST mode;
6) Wait 10 minutes for the boiler to stabilize
7) Take the measurement.
CO reading should be 8,7 to 9,0 % CO
2
Propane CO
A
should be 9,5 to10%.
2
fig. 15
A
Air
Flue
.
2
B
Air Flue
fig. 16
27