
UK/IRL
39
UK/IRL
38
UK/IRL
UK/IRL
8.1.7 Combustion test
A BS7967 combustion analysis check should be carried out using an
analyser to BS7927 positioned in the flue outlet.
A Ratio of CO/CO2 should be less than 0.01 within 30 minutes.
(100ppm CO per 1% CO2).
A reading of CO in the room centre should give a rise of less than
9ppm over ambient, peak reading.
8.1.6 Gas control block
A
Governor
B Adjusting screw pilot flame
C Inlet pressure test point
D Burner pressure test point
C
D
D
C
A
B
B
A
fig. 26