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Model Advance Plus 30S ERP
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
The values in the tables are measured at
the nominal useful power with factory cali-
bration.
9.9
Checking the condensate
drain pipe
The condensate drain pipe 30 (Fig. 9.17)
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.
Unscrew the plug to clean inside the pipe.
- 74 -
MAINTENANCE
kW
30,0
%
98,2
%
98,3
n
1,2
%
9,2 - 9,8
%
3,9
ppm
160
°C
81,6
Fig. 9.17
9.10 Visual inspection of appliance
Visually inspect all water joints, seals and
connections for any evidence of leakage
and retighten, grease or replace them as
necessary.
9.11 Checking the gas supply
Check appliance for gas tightness.
Recheck operational pressures as de-
scribed in section "Checking the gas supply
pressure" to page 54 of this manual.
9.12 Water inhibitor concentration
Where chemical products are used the level
of water treatment should be checked on an
annual basis and re treated after full or par-
tial drain down.
A conductivitymeter can be used to check
pressure
30
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