Viessmann Vitodens 100 Series Installation And Service Instructions Manual page 46

Commissioning, inspection, maintenance
Further details regarding the individual steps
3. Setting the upper heating output
Ensure heat is being drawn off by
the heating system.
1. Press MODE and
ously and hold for approx. 5 s
■ "SEt" is displayed
■
flashes
■ "PL:1" is shown on the addi-
tional display
2. Press MODE
"P01" is shown on the additional
display
3. OK to confirm
4. Use to select "ON"
5. OK to confirm
6. Press MODE
"LO" is shown on the additional
display
7. Use / to select "HI"
The burner now operates at the
upper heating output
Note
Operation with the upper or lower
rated heating output is automati-
cally reset after approx. 30 min, or
press MODE and OK simultane-
ously and hold until
4. Measure the CO
upper heating output.
The CO content must be between
2
7.0 and 10.5 %.
46
simultane-
°C
flashes.
content for the
2
(cont.)
5. Select the lower heating output:
Use / to switch directly between
the upper and lower heating output.
"LO" and ¸ are displayed.
6. Measure the CO
lower heating output.
The CO content must be between
2
0.3 and 0.9 % below the value of
the upper heating output.
7. ■ If the CO content is within the
2
indicated range, continue with
point 9.
■ If the CO content is not within
2
the indicated range, check the
balanced flue system for tight-
ness; remedy any leaks.
Replace the gas train if required.
8. Measure the CO
upper and lower heating output
again.
9. Shut down the boiler, remove the
flue gas analyser and close flue
gas test port A.
Danger
Flue gas can lead to life
threatening poisoning.
It is essential to close the
port again with the plug.
°C
content for the
2
content for the
2