Air Ducts - Bryant 350MAV Installation, Start-Up, And Operating Instructions Manual

FURNACE
CASING
WIDTH
Downflow Applications on Non-Combustible Flooring
Downflow Applications on Combustible Flooring Using
Furnace with or without CD5 or CK5 Coil Assembly or
17-1/2
Downflow Applications on Combustible Flooring NOT Using
Furnace with or without CD5 or CK5 Coil Assembly or
Downflow Applications on Non-Combustible Flooring
Downflow Applications on Combustible Flooring Using
Furnace with or without CD5 or CK5 Coil Assembly or
21
Downflow Applications on Combustible Flooring NOT Using
Furnace with or without CD5 or CK5 Coil Assembly or
Downflow Applications on Non-Combustible Flooring
Downflow Applications on Combustible Flooring Using
Furnace with or without CD5 or CK5 Coil Assembly or
24-1/2
Downflow Applications on Combustible Flooring NOT Using
Furnace with or without CD5 or CK5 Coil Assembly or
A
PLENUM
OPENING
B
FLOOR
OPENING
C
Fig. 13—Floor and Plenum Opening Dimensions
CAUTION: The entire length of furnace MUST be
supported when furnace is used in a horizontal position to
ensure proper draining. When suspended, bottom brace
supports sides and center blower shelf. When unit is
supported from the ground, blocks or pad should support
sides and center blower shelf area.
TABLE 1—OPENING DIMENSIONS (IN.)
APPLICATION
Upflow Applications
KGASB Subbase
KCAKC Coil Box
KGASB Subbase
KCAKC Coil Box
Upflow Applications
KGASB Subbase
KCAKC Coil Box
KGASB Subbase
KCAKC Coil Box
Upflow Applications
KGASB Subbase
KCAKC Coil Box
KGASB Subbase
KCAKC Coil Box
D
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PLENUM OPENING
A B
16 24–1/8
15-7/8 19
15-1/8 19
15-1/2 19
19-1/2 24-1/8
19-3/8 19
18-5/8 19
19 19
23 24-1/8
22-7/8 19
22-1/8 19
22-1/2 19
FURNACE
(OR COIL CASING
WHEN USED)
COMBUSTIBLE
FLOORING
DOWNFLOW
SUBBASE
SHEET METAL
PLENUM
FLOOR
OPENING
Fig. 14—Furnace, Plenum, and Subbase Installed on a
Combustible Floor
IV. AIR DUCTS
A. General Requirements
The duct system should be designed and sized according to
accepted national standards such as those published by: Air
FLOOR OPENING
C D
16–5/8 24–3/4
16-1/2 19-5/8
16-3/4 20-3/8
16-1/2 20
20-1/8 24-3/4
20 19-5/8
20-1/4 20-3/8
20 20
23-5/8 24-3/4
23-1/2 19-5/8
23-3/4 20-3/8
23-1/2 20
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