Ariston GENUS PREMIUM EVO 24

Training manual ALTEAS & GENUS ONE
Page. 50 of 88 Version 2V2.
6.7 COMBUSTION CONTROL SYSTEM AND GAS SETTINGS
The gas setting is done automatically by the PCB.
This is possible using the feed-back that came from the ionization current and adjusting the gas through the
gas valve.
No mechanical adjustments are required.
During the first ignition is mandatory do the Automatic calibration procedure (see par. 2.1 – First ignition
procedure).
During the normal working the system works continuously to check end if needs to correct the combustion
using electrode, PCB and gas valve.
6.7.1 Inlet gas pressure check
Switch on the boiler at the maximum power (using “FLUE CLEANER” function  DHW
max power), check the inlet gas pressure using the inlet pressure test point. The supply
pressure must correspond to the value established in relation to the type of gas ,for
which the boiler is designed (refer to table below).
6.7.2 CO2 adjustment – DHW maximum power
1
Switch on the boiler at the maximum power (using
“FLUE CLEANER” function  DHW max power)
2
Wait till the value of the CO2 on the exhaust
analyser is stable.
3
Compare the CO2 value with the values in the table
below.
4
If the CO2 value is not ok press “OK” button and the
display shows the adjustment bar.
5
Using the buttons “<” and “>” to adjust the CO2
value (it is possible modify the CO2 of a value
±0,5%).
Note: To see the CO2 variation it needs to finish
this procedure and perform 5 ignitions of the
boiler.
6
To save the new setting push the button “Ok”
CO2
Type of gas
12KW
18 KW
24 KW
30 KW
35KW
G20 20 mb
8,6% ± 0,7
8,6% ± 0,7
8,6% ± 0,7
8,6% ± 0,7
8,6% ± 0,7
G30 29 mb
G31 37 mb
10,0% ± 0,7
10,0% ± 0,7
10,0% ± 0,7
10,0% ± 0,7
10,0% ± 0,7
G231
N.B.: Values with casing closed.
Minimum supply pressure
G 20
G30
G 31
G 231
17 mbar
25 mbar