Checking The Flue System For Unrestricted Flow And Leaks; Matching The Control Unit To The Heating System - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Checking the combustion quality
If the actual CO, CO or O
2
respective ranges, proceed as follows:
■ Check the balanced flue system for leaks; see
page 33.
■ Check the ionisation electrode and connecting cable,
see page 36.
Note
During commissioning, the combustion controller car-
ries out an automatic calibration. Allow approx. 50 s
after the burner has started before testing the emis-
sions.
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.
Regulating to the upper/lower heating output
Note
Ensure adequate heat transfer.
Tap the following buttons:
1. and OK simultaneously for approx. 4 s, then
release.
2. Use / to select "b.6" for the upper/lower
heating output.

Checking the flue system for unrestricted flow and leaks

Matching the control unit to the heating system

The control unit must be matched to the system equip-
ment level.
Set the parameters according to the accessories fitted:
40
values lie outside their
2
on
A
(cont.)
A
Fig. 27
6. Adjust the upper heating output. See the following
chapter.
7. Check the CO content. If the actual value deviates
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 .
A
Danger
Escaping flue gas can damage your health.
Check test port
3. OK
4. Use / to set the value.
"0" - OFF
"1" - Min. heating output
"2" - Max. heating output
5. OK
Burner is operating with correspondingly adjusted
heating output.
Accessories installation and service instructions
A for leaks.