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Fig.39
Position of adjusting screw A
A
Fig.40
Setting to low load
St
ºC
123157 - v.07 - 10082015
A
AD-0000067-01
ºCºFh
barPsi
rpm
kWµA
l/min
± 30
AD-0000071-01
Caution
The O
values at full load must be lower than the O
2
part load.
The CO
values at full load must be higher than the CO
2
at part load.
4. If the measured value is outside of the values given in the table, cor
rect the gas/air ratio.
5. Using adjusting screw A, adjust the percentage of O
gas type being used to the nominal value. This should always be in
side the highest and lowest setting limit.
Checking/setting values for O
1. Set the boiler to low load. Press the
appears on the display.
2. Measure the percentage of O
3. Compare the measured value with the checking values in the table.
Tab.27 Checking/setting values O
Values at low load for G20 (H
gas)
Quinta Pro 30
Quinta Pro 45
Quinta Pro 65
Quinta Pro 90
Quinta Pro 115
(1) Nominal value
Tab.28 Checking/setting values O
pane)
Values at low load for G31 (pro
pane)
Quinta Pro 30
Quinta Pro 45
Quinta Pro 65
Quinta Pro 90
Quinta Pro 115
(1) Nominal value
Caution
The O
values at low load must be higher than the O
2
full load.
The CO
values at low load must be lower than the CO
2
at full load.
4. If the measured value is outside of the values given in the table, cor
rect the gas/air ratio.
7 Commissioning
2
/CO
2
/CO
at low load
2
2
key several times until
/CO
in the flue gases.
2
2
/CO
at low load for G20 (H gas)
2
2
O
(%)
CO
2
5.7
– 6.2
8.2 – 8.5
(1)
5.7
– 6.2
8.2 – 8.5
(1)
4.8
– 5.3
8.7 – 9.0
(1)
4.8
– 5.3
8.7 – 9.0
(1)
5.6
– 6.1
8.3 – 8.6
(1)
/CO
at low load for G31 (pro
2
2
O
(%)
CO
2
5.4
– 5.9
9.9 – 10.2
(2)
5.4
– 5.9
9.9 – 10.2
(1)
5.4
– 5.9
10.1 – 10.4
(2)
5.4
– 5.9
9.9 – 10.2
(2)
5.7
– 6.2
9.7 – 10.0
(2)
values at
values
2
for the
2
(%)
2
(1)
(1)
(1)
(1)
(1)
(%)
2
(2)
(2)
(2)
(2)
(2)
values at
2
values
2
45
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