45
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 34.
■
Check the ionisation electrode and connecting cable;
see page 37.
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.
A
Fig. 39
1.
Connect a flue gas analyser at flue gas port
A
on
the boiler flue connection.
2.
Open the gas shut-off valve, start the boiler and
create a heat demand.
3.
Select the lower heating output (see page 45).
4.
Check the CO
2
content. Should the actual value
deviate from the aforementioned ranges by more
than 1 %, implement measures detailed on
page 44.
5.
Enter the actual value into the report.
6.
Select the upper heating output (see page 45).
7.
Check the CO
2
content. Should the actual value
deviate from the aforementioned ranges by more
than 1 %, implement measures detailed on
page 44.
8.
After testing, press
OK
.
9.
Enter the actual value into the report.
Select higher/lower heating output
Weather-compensated control unit
Constant temperature control unit
Service menu
1. Press
OK
and
å
simultaneously for approx. 4 s.
2.
"Actuator test"
3. Select the lower heating output:
Select
"Base load OFF"
. Then
"Base load ON"
ap-
pears and the burner operates at its lower heating
output.
4. Select the upper heating output:
Select
"Full load OFF"
. Then
"Full load ON"
ap-
pears and the burner operates at its upper heating
output.
5. Ending output selection:
Press
ä
.
Service menu
1. Press
OK
and
å
simultaneously for approx. 4 s.
2. Select
" "
with
Ú
and confirm with
OK
.
The display shows
"I"
and
"ON"
flashes.
3. Select the lower heating output:
Press
OK
,
"ON"
will be displayed constantly.
4. Select the upper heating output:
Press
ä
.
5. Select
"2"
with
Ú
;
"ON"
flashes.
6. Press
OK
,
"ON"
will be displayed constantly.
7. Ending output selection:
Press
ä
.
Checking the flue system for unrestricted flow and tightness
Checking the external LPG safety valve (if installed)
Commissioning, inspection, maintenance
Checking the combustion quality
(cont.)
5773 216 GB
Summary of Contents for B2TA
Page 101: ...101 Parts lists Overview of assemblies 5773 216 GB Components ...
Page 107: ...107 Parts lists Hydraulics 5773 216 GB Components ...
Page 118: ...118 0004 0002 0005 0006 0001 0003 Fig 77 Parts lists Miscellaneous 5773 216 GB Components ...
Page 142: ...142 5773 216 GB ...
Page 143: ...143 5773 216 GB ...
