25
• when the display shows
“PO”
flashing, within 15 seconds turn the Summer/Winter
knob on
the MAXIMUM value of the scale of the heating
(fully clockwise). The
service
indication ap-
pears on the display and the burner ignites to the maximum output not modulated (the
YELLOW
indicator turns on);
• read on the micromanometer the value of the gas pressure to the burner and turn the Summer/
Winter
knob along the heating system temperature scale
, until you read, on the microman-
ometer, the burner pressure corresponding to the power needed; the display will show a flashing
number from
00
to
99
indicating the new set point;
Remark: the value from 00 to 99 that appears on the display during the setting, is foreseen to be read
at the end of the adjustment and to be eventually re-used as a quick reference to set the boiler
again to the same heating power. To set the power the first time, make exclusively reference to the
burner pressure measured by the micromanometer.
•
do NOT move the Summer/Winter
knob for about
30 seconds
, until the number on the dis-
play stops flashing (also the
GREEN
indicator stops flashing and stays on). During this time,
check
that the pressure displayed on the manometer remains stabilized
on the correct value. If further
pressure adjustment should be needed, turn the knob and wait again 30 seconds and the end of
flashing;
• to confirm and save the setting, turn the Hot Water knob
on the scale
; the burner will
turn off for a moment. Wait (about 5 seconds) that both the
GREEN
and
RED
indicators stay on
for about 5 seconds (this is the confirmation that the burner pressure for heating is stored), then
the
RED
indicator
turns off;
4.
screw the pressure tapping point screw for gas outlet
1
;
verify that there is no gas leak
.
5.
To switch off the burner, turn the Summer/Winter knob
to the
position.
The MAX power for the heating system is adjusted now.
The whole procedure should be completed within 15 minutes from the start. If you exceed this time, or
in case of mistakes, the new pressure will not be stored and it will be necessary to repeat the procedure
from the beginning, by turning the Summer/Winter knob
on
and the Hot Water knob
on
the scale
.
