Viessmann VITODENS 100-W Installation And Service Instructions Manual page 51

Further details regarding the individual steps
A
r r
Commissioning, inspection, maintenance
(cont.)
01. Connect a flue gas analyser at flue
gas port A on the boiler flue con-
nection.
02. Start the boiler and check for
leaks.
Danger
Escaping gas leads to a risk
of explosion.
Check all gas equipment for
tightness.
03. Turn rotary selector "tr" for less
than 2 s fully clockwise and then
back into the r.h. section of the con-
trol range.
The display shows "SERV", "A"
and the boiler water temperature.
04. Set the upper heating output:
Turn rotary selector "tr" into the
r.h. section of the control range until
the display shows 5 bars for the
upper heating output.
05. Check the CO
2
heating output.
The CO content must be between
2
7.0 and 10.5 %.
content for the upper
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