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Commissioning, inspection, maintenance
Checking the combustion quality
Permissible CO
or O
2
Operation with natural gas
Rated heating out-
CO
put (kW)
Upper heating out-
put
11
7.3 - 10.5
19
7.5 - 10.5
25
7.5 - 10.5
32
7.3 - 10.0
Operation with LPG
■
CO
content: 8.4 - 11.8 %
2
■
O
content: 3.1 - 8.1 %
2
If the actual CO
or O
values lie outside their respec-
2
2
tive ranges, proceed as follows:
■
Check the balanced flue system for leaks; see
page 43.
■
Check ionisation electrode and connecting cable.
Note
During commissioning, the combustion controller car-
ries out an automatic calibration. Only measure the
emissions approx. 50 s after the burner has started.
1. Connect a flue gas analyser at flue gas port
the boiler flue connection.
2. Open the gas shut-off valve. Start the boiler. Cre-
ate a heat demand.
3. Adjust the lower heating output. See the following
chapter.
4. Check the CO
content. If the actual value deviates
2
from the permissible ranges, implement steps lis-
ted above.
5. Enter the actual value into the report.
Selecting the upper/lower heating output
Note
Ensure adequate heat transfer.
Tap the following buttons:
01.
02. "Service"
56
content
2
content (%)
2
Lower heating out-
put
7.5 - 10.5
7.5 - 10.5
7.5 - 10.5
7.5 - 10.5
A
(cont.)
O
content (%)
2
Upper heating out-
put
2.1 - 7.9
2.1 - 7.6
2.1 - 7.6
3.1 - 7.9
Fig. 47
on
6. Adjust the upper heating output. See the following
chapter.
7. Check the CO
2
from the permissible ranges by more than 1 %,
implement steps listed above.
8. Enter the actual value into the report.
9. Re-seal test port
Danger
Escaping flue gas can damage your health.
Check test port
03. Enter password "viservice".
04. Use
to confirm.
05. "Actuator test"
06. Use
to confirm.
Lower heating out-
put
2.1 - 7.6
2.1 - 7.6
2.1 - 7.6
2.1 - 7.6
A
content. If the actual value deviates
.
A
for leaks.
A
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