Checking The Wall - Bosch HCP34E51UC Installation Instructions Manual

Round pipes
An inner diameter of 0 8" (200 mm) is recommended.
Flat ducts
The inner cross-section must correspond to the diameter
of the round pipes.
Ø 8" (200 mm) approx. 50.3 inches
Flat ducts should have no sharp deflections.

Use sealing strip for deviating pipe diameters.

Ventilator Performance Calculation
2 2
(324 cm )

Checking the wall

 The wall must be level, vertical and adequately load-
bearing.
 The depth of the bore holes must be the same length
as the screws. The wall plugs must have a secure grip.
The enclosed screws and wall plugs are suitable for

solid brickwork. Suitable fasteners must be used for
other structures.
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