REMEHA Avanta Plus 24s, Installation And Service Manual

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44
Remeha Avanta Plus
Checking values O
2
/CO
2
for natural gas H / L
Boilertype
Fan speed (rpm) O
2
CO
2
Full load h3 Part load L3
% %
24s ca. 4300 ca. 1300
5.2
± 0.2
8.8
± 0.3
28c ca. 5500 ca. 1300
5.2
± 0.2
8.8
± 0.3
35c ca. 6300 ca. 1300
5.2
± 0.2
8.8
± 0.3
39c ca. 6700 ca. 1300
5.2
± 0.2
8.8
± 0.3
table 10 Checking values O
2
/CO
2
(front panel not fi tted)
Checking values O
2
/CO
2
for LPG (propane)
Boilertype
Fan speed (rpm) O
2
CO
2
Full load h3 Part load L3
% %
24s ca. 4100 ca. 2000
5.1
± 0.2
10.5
± 0.3
28c ca. 5200 ca. 2000
5.1
± 0.2
10.5
± 0.3
35c ca. 5800 ca. 2000
5.1
± 0.2
10.5
± 0.3
39c ca. 6500 ca. 2000
5.1
± 0.2
10.5
± 0.3
table 11 Checking values O
2
/CO
2
(front panel not fi tted
z
The O
2
/CO
2
- values in table 10 are checking values. For
setting values see table 05 and table 07.
If the flue gas analysis readings are within the values in table
10 the boiler combustion is OK. However if the readings are
outside the given values, then adjust the gas air ratio control to
the given values,
see table 05 and table 07 in par.2.9.3 .
If the adjustments cannot achieve the mentioned values, the
boiler will require a full service please refer to the maintenance
instructions in
par. 3.2.
- check the flame via the inspection glass; in full load the
flame should be stable with an even blue colour and in part
load should be stable with an even orange colour.
3.2 Maintenance
To conduct maintenance:
z
Ensure that a service gasket set and new ignition/ionisation
electrode is available before carrying out this procedure.
{
•
Isolate power supply at the fused spur before carrying out
any work on the boiler.