Installation Instructions
35
04. Adjust the upper heating output:
Turn rotary selector "
tr
" to the
control range on the right until the
display shows 5 bars for the upper
heating output.
05. Check the CO
2
content for the upper
heating output.
The CO
2
content must be between
7.0 and 10.5 %.
06. Adjust the lower heating output:
Turn rotary selector "
tr
" to the
control range on the left until the dis-
play shows 1 bar for the lower heat-
ing output.
07. Check the CO
2
content for lower
heating output.
The CO
2
content must be between
approx. 0.3 and 0.9 % below the
value for the upper heating output.
08. ■ If the CO
2
content is within the
given range, continue with point
10.
■ If the CO
2
content is outside the
given range, check the flue gas/
ventilation air system for tight-
ness; remedy any leaks.
Replace gas train if required
09. Test the CO
2
content for upper and
lower heating output again.
10. Shut down the boiler, remove the
flue gas analyser and cap flue gas
aperture
A
.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5609 059 GB
Service










