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provided by the laws in force.
• Connect a flue analyser to the flue analysis
outlets on the flue exhaust of the boiler Fig.
9.15.
Fig. 9.15
• Activate the "chimney sweep function" at maxi-
mum heating power (see "Setting the boiler
chimney sweep function" to page 80).
• Make sure that the ambient thermostat is in the
position "call for heat".
• Withdraw an abundant amount of d.h.w. by
opening the faucets.
• Check the combustion of the boiler using the
outlets located on the flue tubes (Fig. 9.15) and
compare the data measured with that follow-
ing.
Model Inovia 16S
Nominal heat input
(A) (E)
Nominal efficency
Combustion efficency
Air index
Flue gas CO
content
2
Flue gas O
content
2
Flue gas CO content
Flue gas temperature
Values refer to tests with a an 80 mm double exhaust
split by 1 + 1 m and natural gas G20 and a supply /
return heating temperature of 60°/80°C
Fig. 9.16
MAINTENANCE
Flue analysis
points
16,0
kW
97,7
%
97,8
%
1,2
n
9,2-9,8
%
3,9
%
ppm
84
°C
72,0
Model Inovia 25S
Nominal heat input
(A) (E)
Nominal efficency
Combustion efficency
Air index
Flue gas CO
content
2
Flue gas O
content
2
Flue gas CO content
Flue gas temperature
Values refer to tests with a an 80 mm double exhaust
split by 1 + 1 m and natural gas G20 and a supply /
return heating temperature of 60°/80°C
Fig. 9.17
The values in the tables are measured at the
nominal useful power with factory calibration.
9.10
Checking the condensate drain
pipe
The condensate drain pipe 36 (Fig. 9.18) does
not require any particular maintenance but just
check:
• That no solid deposits have formed, if so re-
move them.
• That the condensate drain piping is not
clogged.
Unscrew the plug to clean inside the pipe.
Fig. 9.18
9.11
Visual inspection of appliance
Visually inspect all water joints, seals and con-
nections for any evidence of leakage and retight-
en, grease or replace them as necessary.
25,0
kW
97,4
%
97,5
%
1,23
n
9,0 -9,8
%
%
3,7
240
ppm
°C
83,1
36
- 79 -
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