24
To determine the combustion efciency
one must make the following measurements:
- measurement of the combustion air temperature
taken in the relevant hole 2.
1
1
1
A
B
C
COAXIAL PIPES
SEPARATE PIPES
PIPES Ø 80 TYPE B23
Flue gas
probe
Air
probe
Air
probe
Flue
gas
probe
Air
probe
Air
probe
2
2
2
3.11 - MEASUREMENT OF COMBUSTION EFFICIENCY DURING INSTALLATION
- measurement of the ue gas temperature and
content of CO
2
taken in the relevant hole 1.
Take the measurements with the generator in
steady state conditions (see par. 3.11.1).
ATTENTION!
Function reserved for Authorised
Assistance Centres only.
3.11.1- ACTIVATION OF THE CALIBRATION FUNCTION
3.11.2 - POSITIONING THE PROBES
1 ACTIVATION
By pressing the button (D) for 3 seconds, the
calibration function is activated. Release it when
the SERVICE symbol appears, Do not press it for
more than 9’’ (par. 4.2) This function is not activat-
ed if there is a block or domestic hot water request.
2 MAXIMUM OUTPUT
By turning the knob (B) onto MAX, the boiler will
operate at maximum output:
- 3 illuminated symbols
4 DISABLING
The “calibration” function stays active for 15 min-
utes.
To disable the CALIBRATION function before the
time elapses, switch the boiler on and off again by
acting on the main switch.
3 MINIMUM OUTPUT
By turning the knob (B) in position , the boiler
will operate at minimum output:
- 2 illuminated symbols
- 1 ashing
The user is NOT authorised to activate
the function described below.
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