Bosch Condens 8300i W - Page 39

Inspection and maintenance
39
Condens 8300i W – 6721841531 (2022/10)
▶ Remove the seal from the adjusting screw of the air/gas ratio control
valve (only on the air/gas ratio control valve shown in the below
Fig. 42) and set the CO
2
or O
2
content for minimum rated output.
Fig. 42 Set the CO
2
- or O
2
content
▶ Re-check settings at maximum and minimum rated output and re-
adjust if required.
▶ Seal the air/gas ratio control valve.
▶ Sealing the adjustable nozzle.
▶ Exit the chimney sweep mode.
▶Enter the CO
2
or O
2
contents in the commissioning report (
Chapter 13.8, page 62).
▶ Remove the flue gas probe from the flue gas test port and refit the
bung.
T40
4 mm
0010018138-003