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Duct connector selection, Top view of finger tab duct connector, Platinum series – Nordyne Forced Air Gas and Oil Furnace M1M User Manual

Page 9: Non-platinum series

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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).