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3. Measure the percentage of O2 in the flue gases. Take measurements
at full load and at part load.
Important
Measurements must be taken with the front casing off.
Important
This appliance is suitable for category I2H containing up to 20%
Hydrogen gas (H2). Due to variations in the H2 percentage, the
O2 percentage can vary over time. (For example: a percentage
of 20% H2 in the gas can lead to an increase of 1,5% of O2 in
the flue gasses)
A significant adjustment of the gas valve may be needed.
Adjustment can be done using the standard O2 values of the
gas used.
Performing the full load test
1. Select the tile [ ].
The Change load test mode menu appears.
2. Select the test Medium power.
AChange load test mode
BMedium power
The full load test starts. The selected load test mode is shown in the
menu and the icon appears in the top right of the screen.
3. Check the load test settings and adjust if necessary.
Only the parameters shown in bold can be changed.
Checking/setting values for O2 at full load
1 Gas valve unit on the Quinta Ace 30 - 45 - 55 - 65 - 90
2 Quinta Ace 115
1. Measure the percentage of O2 in the flue gases.
2. Compare the measured value with the checking values in the table.
3. If the measured value is outside of the values given in the table,
correct the gas/air ratio.
Warning
Only a qualified installer may carry out the following operations.
4. Using adjusting screw A, adjust the percentage of O2 for the gas type
being used to the nominal value. This should always be inside the
highest and lowest setting limit.
If a boiler is not suitable for a certain gas type, it is indicated with "-" in
the table.
Tab.34 Checking/setting values for O2 at full load for G20 (H gas)
Values at full load for G20 (H gas) O2 (%)(1)
Quinta Ace 30 4,3 - 4,8 (1)
Quinta Ace 45 4,3 - 4,8 (1)
Quinta Ace 55 4,3 - 4,8 (1)
Quinta Ace 65 4,3 - 4,8 (1)
Quinta Ace 90 4,3 - 4,7 (1)
Quinta Ace 115 4,2 - 4,7 (1)
(1) Nominal value
Fig.46 Full load test
AD-3000941-03
..... ... ....... .... .. ..... .... .........
..... ... ....... ....
..... ... ....... ....
....... .... .. ..... .... .......
....... ...........
......
.....
...
.....
..... ... ....... .... .. ..... ....... .... ..... .......
i
.....
....... .... ....... .... .......
.... ...... ....... ......11:20
A
B
Fig.47 Position of adjusting screw A
AD-0000067-02
A A
1 2
7 Commissioning
7684359 - v.11 - 13122021 39
39


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