Checking The Co 2 Content - Viessmann Vitodens 100 Series Installation And Service Instructions Manual

Further details regarding the individual steps
8. Shut down the boiler and close the
gas shut-off valve. Remove the
pressure gauge and seal test con-
nector A with screw.
Supply pressure (flow
pressure)
Below 15 mbar (1.5 kPa)
15 to 30 mbar
(1.5 - 3.0 kPa)
Above 30 mbar (3.0 kPa)
Checking the CO
Note
Operate the appliance with uncontami-
nated combustion air to prevent operat-
ing faults and damage.
A
1. Connect a flue gas analyser at flue
gas port A on the flue bend.
Measures
Do not commission the appliance, and notify the gas
supply utility.
Start the boiler.
Connect the separate gas pressure governor up-
stream of the system and set the pre-charge pressure
to 20 mbar (2.0 kPa). Notify the gas supply utility.
content
2
Commissioning, inspection, maintenance
(cont.)
9. Open the gas shut-off valve and
start the appliance.
Danger
Gas escaping from the test
connector leads to a risk of
explosion.
Check gas tightness at test
connector A.
2. Start the boiler and check all gas
equipment for leaks.
Danger
Escaping gas leads to a risk
of explosion.
Check gas equipment for
leaks.
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