16
Heat & Glo •
PHFR-PRIMO-48, PHFR-PRIMO-60, PHSI-PRIMO
Instructions • 2560-970 Rev. D • 2/19
Figure 6.7 Rotate Plenum to Horizontal Orientation
7. Position the plenum adjacent to the finishing trim piece
on the framing as shown in Figure 6.8 and Figure 6.9.
The notches in the nailing tabs denote the height of
the plenum and are to be lined up with the edge of the
header as shown in Figure 6.10. Mount the plenum
into the wall using drywall framing screws or nails.
See Figure 6.11.
Figure 6.9 Position Plenum
Figure 6.10 Secure Nailing Tabs
Figure 6.11 Plenum Secured in Place
Note:
The two plenums must be touching each other in
the center of the opening in order for the trim to fit properly.
See Figure 6.12.
8. Place the second plenum into position so that it sits
side by side with the other plenum. The two plenums
must be centered left to right in the framed opening.
Figure 6.12 Plenums Contact Each Other
PLENUMS CONTACT EACH OTHER
Figure 6.8 Place Plenum From Inside of the Chase
Note: Finishing trim pieces not installed on all photos.
