Pioneer PDP-425CMX Technical Manual page 41

Special Installation (Place product upright and flush into wall (embedding in the wall))
Methods of Securing: Basic methods of securing are shown below. Avoid blocking or covering areas aside from those
indicated by
Before attaching the unit to fittings, double-check that the thickness and height of the fittings,
and the number of fixing bolts is correct.
(Also refer to "3.4.1 Mounting to fittings (pg. 28)".)
Attach so that the fan is
on the left side viewed
from the rear.
. The methods indicated by a large X-mark must not be used.
Installation is not possible Installation is not possible
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