Ferroli PEGASUS F2 N 2S Instructions For Use, Installation And Maintenance page 21

Pegasus F2 N 2S
Opening the front panel
To open the front panel of the boiler, see the sequence
in Fig. 15.
Before carrying out any operation inside the
boiler, disconnect the electrical power supply
and close the gas cock upstream.
Combustion analysis
A point for sampling fumes has been included inside the boiler in the upper part of the anti-backfl ow
device (see Fig. 16).
To take the sample:
1) Remove the top panel of the boiler (see Fig. 4).
2) Remove the insulation on the anti-backfl ow device.
3) Open the fume sampling point;
4) Insert the probe;
5) Adjust the boiler temperature to the maximum.
6) Wait 10-15 minutes for the boiler
to stabilize*
7) Take the measurement.
* Analyses made with an
unstabilized boiler can
cause
errors.
measurement
fi g. 16
1
2
fi g. 15
Fume sampling point
21