Hearth and Home Technologies PHTRIM-MCE-36 Installation Instructions page 3

Installation Instructions
Prior to installation of this kit, the appropriate front dis-
charge passive heat (PHFR) kit and wallboard finishing
material must be installed per the instructions included
with the PHFR kit.
Note: Before installation of trim kit, ensure both plenums
included in the PHFR kit are installed.
WARNING! Risk of Fire! Two plenums MUST be in-
stalled for passive heat to function correctly. Overheating
of appliance and combustible materials will occur.
1. Bend the tabs on the left and right sides of the register
cover. Place the register backer and register cover on
a flat surface and fasten them together using the two
hurricane screws provided. See Figure 2.
REGISTER COVER REGISTER COVER
REGISTER BACKER REGISTER BACKER
Figure 2 Attach Register Cover to Register Backer (Shown Painted)
2. Hold the attached cover and backer up to the wall cen-
tered over the plenums. The back side of the register
cover will fit into the opening of the plenums. Mark the
location of the register backer's holes on the wall. See
Figure 3.
Figure 3 Mark Holes for Register Backer
Hearth & Home Technologies • PHTRIM-MCE-36, PHTRIM-PRIMO-48, PHTRIM-PRIMO-60, PHTRIM-MCE-72 Instructions • 2560-971 Rev. D • 5/20
3. Remove the hurricane screws and disassemble the
register cover from the register backer.
4. Mount the register backer to the wall using the pro-
vided 1-1/4 inch screws at the marked hole locations
from Step 2. See Figure 4.
Figure 4 Register Backer Installed
5. Locate the small hole on the return bend of the register
cover. Place the register cover adjacent to the register
backer so that the small hole is located on the bot-
tom side of the discharge opening. See Figure 5. If
register cover is placed with the hole on the top side,
it may be visible. Attach the register cover to the reg-
ister backer using the provided hurricane screws. See
Figure 6. Note that the side tabs will have been bent
in Step 1.
HOLE LOCATED ON BOTTOM HOLE LOCATED ON BOTTOM
SIDE OF DISCHARGE OPENING SIDE OF DISCHARGE OPENING
Figure 5 Correct Orientation of Register Cover
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