Miele T1520 operating instructions Example, Result, Effective duct Internal diameter or Length m

Installation - venting

Table II

Effective duct	Internal diameter or
length (m)	edge length (mm)
0-20	100
20-30	110
30-43	120
43-60	130

Flexible ducting has been used for the following example.

Example:

Exhaust connection, left . . . . . . . 6.0 m Length (L) . . . . . . . . . . . . . . . . . . 0.6 m Lower radius (R = 400 mm) . . . . 0.4 m Height (H) . . . . . . . . . . . . . . . . . . 1.5 m Upper radius (R) . . . . . . . . . . . . . 0.5 m Wall pipe with louvred vent . . . . . 3.8 m Effective duct length . . . . . . . . . 12.8 m

Result:

A duct diameter of 100 mm is adequ- ate since the effective length is less than 20 m as specified in Table II.

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