Biasi Inovia ERP Series Service Manual page 33

12 Turn on the boiler, switching on the fused spur isolation
switch.
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
figure 11 .5
15 To enter in the parameters setting mode press contemporary
the 3 keys (G - H - I Figure 11.5) for 10 second until the dis-
play shows Figure 11.6.
figure 11 .6
checking the minimum gas valve setting in domestic hot
water mode
16 Press keys G and H (Figure 11.5) at the same time until the
display shows the letters lp that alternate with the heating
water temperature value (e.g. 45), indicating the activation of
the "chimney sweep function" at minimum output (Figure 11.7).
figure 11 .7
17 Allow the analyser to give a stable reading.
18 Read the CO % value. It should be between:
2
model type gas
Inovia 25C ERP
Natural (G20)
Inovia 30C ERP
Propane (G31)
Inovia 35C ERP
Natural (G20)
Inovia 25S ERP
Propane (G31)
To adjust the CO % value remove the brass plug by unscrewing
2
gas valve
G
h
i
cO % value (range)
2
8,7 - 9,3
9,4 - 10,4
8,7 - 9,5
9,2 - 10,2
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 in heating mode
19 Press key G to vary the output in chimney sweep mode: when
the display shows the letters cp that alternate with the heat-
ing water temperature value (e.g. 78), the "chimney sweep
function" is at maximum output in heating mode (Figure 11.8);
figure 11 .8
20 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 domestic
hot water mode" (Figure 11.9);
figure 11 .9
21 Open at least one hot water tap fully.
22 Allow the analyser to give a stable reading.
23 Read the CO2 % value. It should be between:
model type gas
Natural (G20)
Inovia 25C ERP
Propane (G31)
Natural (G20)
Inovia 30C ERP
Propane (G31)
Natural (G20)
Inovia 35C ERP
Propane (G31)
Natural (G20)
Inovia 25S ERP
Propane (G31)
% increases).
2
cO % value (range)
2
9,3 - 9,9
10,0 - 10,9
9,2 - 9,8
9,9 - 10,8
9,3 - 9,9
10,0 - 10,9
9,0 - 9,8
9,9 - 10,8
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