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34
Instruction for the installer
Reset button with calibration function
WARNING!
Function reserved exclusively to the
Authorized Service Centres!
Operation at the maximum output
Rotate the HEATING temperature adjustment knob “
B
” to its
maximum setting and
subsequently push the reset
button for 3 s. (release
when the steady wrench
appears on the display).
The symbols (M) and (F) are ON. The boiler is forced in
operation at its maximum output so that the calibration
operations and the combustion analysis can be performed.
Maximum output
:
(symbol
wrench
=
steady
and symbol
radiator
=
steady
)
MAX
M
IN
MAX
M
IN
°C
°C
Operation at the minimum output
Rotate the HEATING temperature adjustment knob “
B
”
between the
su
n and its
minimum setting
:
the boiler operates at
minimum output
.
Minimum output
:
(symbol
wrench
=
steady
and symbol
radiator
=
flashing
)
The function
calibration
remains active for 15 s.
To deactivate the function
CALIBRATION
before 15 s are
elapsed, push again the reset button for 3 s.
Warning
:
If the rest button “D” is kept depressed for more
than 6 s the symbol
wrench
disappears
and, when released, it is not possible to enter
the special function mode.