INSTALLATION INSTRUCTIONS

Flexible metal ducting has been used for the following example. Other duct types may require additional duct length (see Table 1.)

Example:

Result:

A duct diameter of 4" (100 mm) is ade- quate since the effective length is less than 66 ft. (20 m) as specified in Table 2.

Vent connection left . . . . . . . 39" (1.0 m)

Length (L). . . . . . . . . . . . . . . 47" (1.2 m)

Lower radius (R). . . . . . . . . . 19" (0.5 m)

Height (H). . . . . . . . . . . . . . . 39" (1.0 m)

Upper radius (R) . . . . . . . . . 19" (0.5 m)

Wall pipe w/ grill frame . . . . 149" (3.8 m)

Effective duct length . . . . 312" (8.00 m)

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Miele T 1520 operating instructions Example, Result