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3.9
Minimum furnace dimensions
The firing rate was obtained in special test boilers.
Fig. 5 indicates the diameter and length of the test combustion
chamber.
D9086
3.10 Commercial boilers
The burner is suitable for operation on either flame-
inversion boilers* or boilers with combustion cham-
bers featuring flow from the base (three flue pass-
WARNING
es) on which the best results are obtained in terms
of low NOx emissions.
The maximum thickness of the boiler's front door
must not exceed 10" (see Fig. 6).
(*) For flame inversion boilers, a kit is available to reduce CO
emissions if required.
The kit includes 5 gas pipes, identical to the other 5 already fit-
ted to the burner head.
In standard conditions, the burner head is fitted with a second
group of pipes, with gas outlet in a different direction with re-
spect to the others.
With this Kit, the second group of pipes is replaced, so that all
the pipes are the same.
After fitting the kit, ensure they work correctly by measuring the
CO and flue gases emissions.
Technical description of the burner
Example: output 6400 Mbtu/hr - diameter 31.5 inch - length 10.4 ft.
11
GB
10" max
Fig. 5
Fig. 6
20069791
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