Worcester Greenstar 8000 Life Installation And Maintenance Instructions Manual page 70

Inspection and maintenance
▶ Remove the seal from the adjusting screw of the air/gas ratio control
valve (only air/gas ratio control valve is shown in the below Fig. 103)
and set the CO or O content for minimum rated output.
2 2
4 mm
T40
Fig. 103 Setting the CO or O
2 2
Honeywell valve)
▶ Re-check settings at maximum and minimum rated output and re-
adjust if required.
▶ Seal the air/gas ratio control valve.
▶ Seal the adjustable venturi.
▶ Exit the chimney sweep mode.
▶ Enter the CO contents in the servicing record ( chapter 12.8,
2
page 92).
▶ Remove the flue gas probe from the flue gas test port and refit the
plug.
70
0010018138-003
content (above: SIT valve, below:
Greenstar 8000 Life – 6720883865 (2021/11)