19
Bentone
165 105 83-2
5. Burner settings
5.1 Calculate prepurge time,
Industrial applications
Prepurge time can be set on control unit LMV with parameter 265.
Formula symbol
Description
Example values
V
Volume fire box [m
3
]
13.07 m
3
Q
Burner output [kW]
1307 kW
T
Prepurge time [s]
Industrial applications according to EN 746.
The prepurge time must correspond to at least 5 complete
air circulations in the fire box and adapted compartments.
T
=
V · 5
T
=
13.07 m
3
· 5
=
150 s
Q · 1.2 /
3600
1307 kW · 1.2 /
3600
Calculate prepurge time using the following formula:
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