Miele DA 78 Manuel d'utilisation - Page 16

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Connection for air extraction

Danger of toxic fumes

Please follow the advice in the sec-

tion "Warning and safety instruct-

ions" very carefully.

The cooker hood should be in-

stalled acording to local regulations.

Seek approval from the buildings in-

spector where necessary.

Connection

– The extraction ducting should be as

short and straight as possible.

– Use large radius bends. Narrow

bends reduce the efficiency of the

cooker hood.

– Pipes made from non-flammable ma-

terials only may be used for extrac-

tion connection.

Type of bend

Smooth walled bend

Elbow

Bend in concertina

hose

Flexible piping

Data quoted in brackets for pipe with Ø 100 mm.

Angle of bend

90°

45°

90°

45°

90°

45°

– If the extraction ducting is to be laid

horizontally, it should slope down-

wards away from the cooker hood

with a minimum incline of 1 cm per 1

metre of ducting to prevent con-

densed water from running back into

the appliance.

Calculating the extraction ducting

A pipe of diameter 120 mm (100 mm)

should guarantee trouble-free extrac-

tion by the cooker hood up to a total

pipe length of 34m (16m).

Determine the total pipe length as fol-

lows:

Measure the total length of the ex-

traction ducting to be used.

Add the appropriate equivalent

length of additional piping to this fig-

ure, according to the number and

type of bends (see table).

Radius of bend in mm

125 (100)

250 (200)

125 (100)

250 (200)

125 (100)

250 (200)

500 (400)

125 (100)

250 (200)

500 (400)

Additional piping

length in m

0.3 (0.4)

0.2 (0.3)

0.1 (0.1)

2.0 (2.3)

0.5 (0.6)

0.7 (0.75)

0.35 (0.4)

0.3 (0.35)

0.2 (0.3)

0.2 (0.25)

0.15 (0.2)

0.1 (0.2)