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EXAMPLE 3 (OPEN FLUE)
EXAMPLE 4 (CONCENTRIC)
OPEN FLUE FOR EVOMAX 30
Resistance (m)
Flue Size 80
Max permissible flue run 65
2 x 45˚ elbow 2 x 0.45 = 0.9
Total Flue Resistance 65 - 0.9 = 64.1
HORIZONTAL FLUE FOR EVOMAX 120
Resistance (m)
Flue Size 100/150
Max permissible flue run 17.6
2 x 90˚ elbow 2 x 1.9 = 3.8
Total Flue Resistance 17.6 - 3.8 = 13.8
b9535-012602
EXAMPLE 2 (CONCENTRIC)
VERTICAL FLUE FOR EVOMAX 80
Resistance (m)
Flue Size 80/125
Max permissible flue run 12
2 x 45˚ 2 x 0.85 = 1.7
Total Flue Resistance 12 - 1.7 = 10.3
b8535-012602
Therefore this installation is acceptable as only a 3m run.
Therefore this installation is acceptable as only a 6m run.
Therefore this installation is acceptable as only a 2m run.