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13 Open the gas inlet valve.
14 Turn on the boiler and operate for 2 minuets to pre-heat the
flue, before commencing any adjustments
15 Open at least one hot water tap fully.
Figure 11 .5
16 To enter in the parameters setting mode press sequentially
and hold in the 3 keys ("G - H - I" Figure 11.5) for 10 second
until the display shows Figure 11.6.
Figure 11 .6
17 Press keys "G" and "H" (Figure 11.5) at the same time until
the display shows the letters LP that alternate with the heat-
ing water temperature value (e.g. 45), indicating the activa-
tion of the "chimney sweep function" at minimum output (Fig-
ure 11.7).
Figure 11 .7
18 Allow the analyser to give a stable reading.
19 Read the CO
% value. It should be between:
2
Model
Type gas
ADVANCE 25C
Natural (G20)
ADVANCE 30C
ADVANCE 35C
ADVANCE 25S
Propane (G31)
ADVANCE 30S
To adjust the CO
% value remove the brass plug by unscrewing
2
it and rotate the Allen key screw Ø 4 mm ("C" - Figure 11.2) (by
rotating it clockwise the CO
Checking the maximum gas valve setting
20 Press key "G" to vary the output in chimney sweep mode:
when the display shows the letters cP that alternate with
G
H
I
CO
% value (range)
2
8,2 - 8,8
9,3 - 9,9
% increases).
2
GAS VALVE
the heating water temperature value (e.g. 60), the "chimney
sweep function" is at maximum output in heating mode (Fig-
ure 11.8);
Warning: If the boiler has a correct CO
LP but is incorrect CO
boiler ensure the supply pressure is within accept-
able limits!
Figure 11 .8
21 Press further key "G" to vary again the output in chimney
sweep mode: when the display shows the letters dP that al-
ternate with the heating water temperature value (e.g. 60),
the "chimney sweep function" is at maximum output in do-
mestic hot water mode" (Figure 11.9);
Figure 11 .9
22 Allow the analyser to give a stable reading.
23 Read the CO
Model
ADVANCE 25C
ADVANCE 35C
ADVANCE 30C
ADVANCE 30S
ADVANCE 25S
To adjust the CO
rotating it clockwise the CO
24 Press keys "G - H - I" (Figure 11.5) at the same time again to
exit the "chimney sweep mode" and return to the previously
set boiler status (Figure 11.10);
Figure 11 .10
in DP before adjusting the
2
% value. It should be between:
2
Type gas
CO
Natural (G20)
9,1 - 9,7
Propane (G31)
10,2 - 10,8
Natural (G20)
9,1 - 9,7
Propane (G31)
10,1 - 10,7
Natural (G20)
9,0 - 9,6
Propane (G31)
10,0 - 10,6
% value rotate screw ("B" - Figure 11.2) (by
2
% decreases).
2
reading in
2
% value (range)
2
C.H. / D.H.W.
function
- 31 -
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