Pioneer PDP-502MX Manual page 42

Special Installation (Place product upright and flush into wall (embedding in the wall))
(2) Embedding in walls with no space provided behind the unit.
Make sure that this fan
is on the upper side
Panting (Punching) net
(numerical aperture 50% or
over)
Cation : Due to possible heat up, we do not recommend installation in narrow, enclosed areas.
Operating Temperature Restrictions
• Ambient temperature: 0 to 35 °C
42
100mm or
more
100mm or
more
50mm or
more