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9
10. DUCT CONNECTOR SELECTION
b. Select appropriate model from Table 7
which matches X-dimension of the floor
cavity. To maximize air delivery, re-
move reducer “C” (see Figure 11) to
obtain the largest open area that will fit
the duct/floor construction. Screw down
duct connector opening to duct without
reducer is 13” x 13”. With reducer it is
13” x 10-1/8”.
Figure 10.
Figure 9.
13 1/4"
10 1/4"
19”
19"
Top View
of
Finger Tab
Duct
Connector
x
SUPPLY AIR DUCT
FLOOR CAVITY
(depth equal to "X" in Figure 11 and Table 7)
Figure 11.
X
SEE
TABLE 7
REDUCER
*FELT-SEAL
SPACERS
C
*OPENING TO DUCT
WITH PLATE (C) REMOVED
OPENING BECOMES
13-1/4” x 13-1/4”
*INDICATES FINGER TAB DUCT CONNECTOR ONLY
PLATINUM SERIES
a. For Platinum ready construction use
the 14” round duct connector, p/n:
903896.
NON-PLATINUM SERIES
a. Determine depth of floor cavity from
surface of floor to top of supply air duct
(See Figure 9).