Viessmann Vitodens 111-W, Инструкция по установке и обслуживанию

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31
A
Fig. 22
1.
Connect a flue gas analyser at flue gas port A on
the boiler flue connection.
2. Start the boiler and check for leaks.
Danger
Escaping gas leads to a risk of explosion.
Check all gas equipment for tightness.
3. To check the CO
2
content the burner output can be
adjusted manually.
1. Tap
MODE .
2. / repeatedly until "SERV" appears.
3. OK to confirm.
OFF appears on the display. Test mode is not
active.
4. Use / to adjust the burner output:
Shown on
display Burner output
OFF 0 %
_ 20 20 %
_ _ 40 40 %
_ _ _ 60 60 %
_ _ _ _ 80 80 %
_ _ _ _ _ 100 100 %
5. Confirm your setting with OK.
The bars stop flashing.
4. Check the CO
2
content for the upper heating out-
put (100 %).
For CO
2
content limits, see page 23.
5. Check the CO
2
content for the lower heating output
(20 %).
The CO
2
content must be between 0.5 and 0.9 %
below the value of the upper heating output.
6.
■
If the CO
2
content is within the indicated range,
continue with point 8.
■
If the CO
2
content is not within the indicated
range, check the flue gas/ventilation air system
for tightness; remedy any leaks.
Replace gas train if required.
7. Re-check the CO
2
content for the upper and lower
heating output.
8. Terminate test mode:
1. / repeatedly until
"SERV" flashes.
2. OK to confirm.
The selected value flashes.
3. repeatedly until OFF flashes.
4. OK to confirm.
When "SERV" disappears, test mode is termi-
nated.
9. Shut down the boiler, remove the flue gas analyser
and close flue gas test port
A
.
Commissioning, inspection, maintenance
Checking the combustion quality
(cont.)
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