Pioneer PDP-425CMX Technical Manual page 39

Special Installation (Place product upright and flush, embedded 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. 26).)
Attach so that the fan is
on the left side when
viewed from the rear.
. The methods indicated by a large "X" must not be used.
Installation is not possible Installation is not possible
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