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4. With the damper secured to the fan housing, attach the supplied mounting brackets. Position the mounting brackets under
the damper mounting flanges or under the fan housing flange as required. Position the slot so it aligns with the holes in the
fan housing and/or the holes in the damper mounting flanges (See Figure 3). The brackets can be adjusted to fit between the
damper supports. Once the brackets are adjusted, attach them to the flange of the fan housing using four #10-32 screws and
nuts supplied. A minimum of two fasteners per side is required.
5. Fasten the support brackets to the damper supports with a minimum 2" (51) long #8 wood screws at a minimum of 1 place
per bracket. Be sure the bottom of the damper/fan will be flush with the bottom of the gypsum once it is installed. Locate the
damper/fan based on the presence of a resilient channel and gypsum thickness. Please refer to the appropriate UL
floor/ceiling or roof/ceiling design for reference.
6. Once the gypsum is in place install the drywall support assembly (See Figure 4) to the damper using the #8 course
threaded screws supplied at four places minimum. The drywall support assembly must be installed snug to the bottom of the
gypsum so the gypsum is resting on the drywall support assembly.
7. Install the fan grill per the Panasonic Installation Instructions.
8. For other installation details see the Panasonic Installation Instructions.
Figure 3
For installation in the following UL rated wood truss floor-ceiling designs:
L521, L528, L546, L558, L562, L574, L576, L581, L583, L585, and M509.
For installation in the following UL rated wood truss roof-ceiling designs:
P522, P533, P538, P545, and P547.
For horizontal mount only.
Certified to UL555C.
CLASSIFIED
Information is correct at time of printing. However, we reserve the right to make changes without notice. Note: All dimensions are shown in () millimeters.
®
Figure 5
SEE DETAILS ON UL
CLASSIFICATION
U L
MARKING ON
ENCLOSED PRODUCT
®
Up to 1 hour combustible assemblies
PC-RD05C5 installation instructions
Figure 4
Mounting Bracket
Damper Support
CLASSIFIED
U L
C
®
ceiling radiation damper
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