13 figure 14: burner flow units – Roberts Gorden CRV-B-4 User Manual
Page 19
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SECTION 5: F
LOW
L
OADING
13
FIGURE 14: Burner Flow Units
B-10 Burner #1
End Burner
End Vent Air
+ 20 Flow Units
Combustion Gas
+ 10 Flow Units
Coupling
B-10 Burner #2
Downstream Burner
Combustion Gas
+ 10 Flow Units
B-10 Burner #3
Downstream Burner
Combustion Gas
+ 10 Flow Units
Burner 1
Burner 2
Burner 3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
1
2
3
1
2
3
1
2
3
End Vent
Flow Units
Burner Firing Rate
Btu/h
Burner #
Burner #1
Flow Units
Burner #2
Flow Units
Burner #3
Flow Units
Total Flow
Units
6
20,000
20,000
20,000
40,000
40,000
40,000
60,000
60,000
60,000
80,000
80,000
80,000
90,000
90,000
100,000
100,000
100,000
120,000 (or 110,000)
120,000 (or 110,000)
120,000 (or 110,000)
120,000
100,000
80,000
10
15
20
15
20
20
20
2
2
2
12
4
4
4
22
6
6
6
33
8
8
8
44
9
9
33
10
10
10
50
12
12
12
56
12
10
8
50
Total Flow
Units
20 + 10 + 10 + 10
= 50 Flow Units
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