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Fig. 10.10
• Make sure that the ambient thermostat is
in the position "call for heat".
• Activate the "flue sweep function" at maxi-
mum heating power (see "Setting the
boiler flue sweep function" on page 78).
• Check the combustion of the boiler using
the outlets located on the flue tubes (Fig.
10.10) and compare the data measured
with that following.
Model ADVANCE 15OV
Nominal heat input
(A) (E)
Nominal efficiency
Combustion efficiency
Air index
Flue gas CO
content
2
content
Flue gas O
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. 10.11
MAINTENANCE
Sampling points
Flue exhaust
kW
17,0
%
96,9
%
98,4
n
1,3
%
9,0 - 9,6
%
4,1
ppm
106
°C
68,0
Model ADVANCE 18OV
Nominal heat input
(A) (E)
Nominal efficiency
Combustion efficiency
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. 10.12
Model ADVANCE 24OV
Nominal heat input
(A) (E)
Nominal efficiency
Combustion efficiency
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. 10.13
The values in the tables are measured at
the nominal useful power with factory cali-
bration.
10.9 Checking the condensate
drain pipe
The condensate drain pipe 27 (Fig. 10.14)
does not require any particular mainte-
nance but just check:
• That no solid deposits have formed, if so
remove them.
• That the condensate drain piping is not
clogged.
kW
21,0
%
96,6
%
98,2
n
1,3
%
9,1 - 9,7
%
3,9
ppm
225
°C
69,0
kW
25,0
%
97,4
%
98,3
n
1,3
%
9,0 - 9,6
%
3,9
ppm
196
°C
73,0
- 77 -
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