Miele KM 7404 FX Operating And Installation Instructions page 75

There must be no gap between the air intake-optimised base panel and the
cooktop.
A gap causes more warm air to be drawn in. The cooktop is not adequately
cooled.
Positions and cut-outs of the ventilation openings
Y1.1
Not to scale. View from above. Surface-mounted cut-out shown.
Also applies to flush-fit installation.
a Middle of the cut-out width
b Middle of the cut-out length
c Fan cut-out, round (Ø 55–70 mm)
d Gap (≥ 15 mm)
KM 7404 FX
KM 7414 FX/FX Glass
KM 7464 FR/FL
KM 7465 FR/FL
KM 7466 FR/FL
KM 7474 FR/FL
X2.1
X1.1
X1.1 Y1.1
Distance to the centre of the cut-out in mm
184
174
184
184
184
184
Y2.1
X2.1
93 147
88 157
100 147
93 147
100 147
108 147
Installation
Y2.1
78
73
85
78
85
93
75