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Fig. 30. Gas Valve - Gas Shutter Location
5
I-53
B-070343_EN • B
C
ommissioning
Start-up and Combustion Adjustments
Conditions:
Tools and Material:
î
Flue gas analyser
î
Screwdriver, flat head, size 3
î
Wrench, hex head, sizes 2 and 2.5
Procedure:
1.
Push in the On/Off switch located on the
right side of the boiler. It remains pushed in
and is illuminated when on.
When starting the boiler for the first
time after installation, the controller
will open the commissioning screen
automatically. This screen only ap-
pears once, provided that the pa-
rameters are set and saved. To by-
pass it, press the ESC button.
2.
Perform the commissioning setting of the
boiler as follows:
î
Define the language by turning the knob (
4
),
validate the selection by pressing OK (
3
).
î
Define Time and Date using the knob (
4
),
validate the selection by pressing OK (
3
).
î
Press the heating mode selection button (
1
)
to exit and go back to the home screen.
3.
Activate the required heating mode by press-
ing the heating mode selection button (
1
).
4.
Allow the boiler to operate for a few minutes.
5.
Connect the gas analyser probe to the meas-
uring port of the flue gas pipe.
6.
Press the heating mode selection button (
1
)
for more than 3 seconds.
i
7.
Check CO
2
contents in the flue gas at max
output as follows:
î
Press the Information button (
2
). The mod-
ulation indicator is displayed (in %).
î
Press OK (
3
) to modify the value. The value
starts flashing.
î
Rotate the knob (
4
) to increase to 100% for
maximum power.
î
Check the CO
2
contents, and compare the
values with those in the technical specifica-
tions (See
“Combustion and Gas Data”
on page G-17).
î
If the value is outside the range, adjust the
combustion value by turning the main gas
shutter (
5
) in small steps, to allow the val-
ue to stabilise before performing additional
adjustments.
- Rotate shutter screw (
5
)
towards the
“+” sign to increase
the CO
2
contents.
- Rotate shutter screw (
5
)
towards the
“-” sign to decrease
the CO
2
con-
tents.
Follow-on Task(s):
Write the values in the log sheet. Refer to
“Com-
bustion Parameters - Log Sheet” on page I-81.