58
If the actual CO
2
or O
2
values lie outside their respec-
tive ranges, proceed as follows:
■
Check the balanced flue system for tightness; see
page 50.
■
Check the ionisation electrode and connecting cable;
see page 53.
Note
During commissioning, the combustion controller car-
ries out an automatic calibration. Allow approx. 30 s
after the burner has started before testing the emis-
sions.
1.
Connect a flue gas analyser at flue gas port
A
on
the boiler flue connection.
A
Fig. 45
2.
Open the gas shut-off valve, start the appliance
and create a heat demand.
3.
Select the lower heating output (see following
chapter).
4.
Check the CO
2
content. Should the actual value
deviate from the aforementioned ranges by more
than 1 %, implement steps detailed on page 58.
5.
Enter the actual value into the report.
6.
Select the upper heating output (see following
chapter).
7.
Check the CO
2
content. Should the actual value
deviate from the aforementioned ranges by more
than 1 %, implement steps detailed on page 58.
8.
After testing, press
OK
.
9.
Enter the actual value into the report.
Selecting the upper/lower heating output
Service menu
1. Press
OK
and
å
simultaneously for approx. 4 s.
2.
"System functions"
Service mode is being prepared, which can take
approx. 10 min
3.
"Actuator test"
4. Select the lower heating output:
Select
"Base load OFF"
. Then
"Base load ON"
appears and the burner operates at its lower heating
output.
5. Select the upper heating output:
Select
"Full load OFF"
. Then
"Full load ON"
appears and the burner operates at its upper heat-
ing output.
6. End output selection:
Press
ä
.
Checking the flue system for unrestricted flow and tightness
Checking the flue gas routing
Checking the external LPG safety valve (if installed)
Commissioning, inspection, maintenance
Checking the combustion quality
(cont.)
5678 044 GB
Summary of Contents for D2RA
Page 113: ...113 Maintenance Checking the Vitotronic 200 H accessories cont 5678 044 GB Maintenance ...
Page 133: ...133 Parts lists Sorption module hydraulics cont 5678 044 GB Components ...
Page 136: ...136 0001 0002 0003 0004 0005 Fig 83 Parts lists Miscellaneous 5678 044 GB Components ...
Page 163: ...163 5678 044 GB ...
