Ariston GENUS PREMIUM EVO HP 65 Ontwerp, installatie en onderhoudsinstructies - Pagina 25
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gas boiler hp
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Cleaning function and combustion analysis
The boiler has two pressure taps to measure the combustion gas
temperature, the combustive air and the concentrations of O2 and
CO2 on the outside of the fl ue gas header.
Said taps can be accessed by unscrewing the two plugs.
Checking the gas setting
To carry out analyses of combustion, the cleaning function must
be activated.
Maximum gas fl ow combustion analysis
Activate the cleaning function at the maximum heating power or
the maximum domestic hot water power with a corresponding
heating request.
Select
the
Chimney
RESET button for 10 seconds.
WARNING! When the cleaning function is activated, the
temperature of the water coming out of the boiler may be more
than 65°C.
The display will visualise
the Chimney Function
Max Power DHW
active at the maximum
Max power CH
heating pressure.
Min Power
Turn the encoder to
Max power DHW
select the maximum
D.H.W. power.
Max power CH
Min
Wait for the boiler to stabilise before carrying out the combustion
analyses. Check the CO2 value according to the table below.
CO 2
G20
G31
Requirement:
always a minimum diff erence of 0,6% CO
MIN
Important: do not remove silencer (if present)
N.B.: when the casing is open, the CO2 value drops by 0,3%.
function
by
pressing
Chimney active
Chimney active
MAX
MIN
CO 2 (%)
9,0 ± 0,2
8,4 ± 0,2
9,8± 0,2
9,2 ± 0,2
between MAX and
2
If the recorded values do not comply with those indicated in the
table, adjust accordingly as indicated below.
- Adjust the gas valve pressure regulator using a suitable slotted
screwdriver: turn clockwise to decrease the recorded CO2 value
and anti-clockwise to increase the value (the screws require
slight turning as they are very sensitive);
- Wait a few seconds until the CO2 stabilises then check the value
and repeat the procedure, if necessary.
Once the calibration procedure is completed, analyse the CO2
values at minimum power.
GENUS PREMIUM EVO HP 45/65/85/100
the
commissioning
1
GENUS PREMIUM EVO HP 115/150
1
1
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