Note: The outer burner door should be closed when checking CO
2
. Ensure that only the baffle bricks are
fitted.
Check Smoke
Remove the CO
2
indicator and using the same hole for flue sampling. Insert the housing end of baccarach smoke
pump and check that the smoke in the flue exit does not exceed No.2 on the scale.
Note: The outer burner door should be closed when checking level.
Fig. 15 FLUE GAS SAMPLING AND COMBUSTION AIR ADJUSTMENT DESN 510231
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