Bryant 312AAV User Manual
Page 10
PLENUM
OPENING
C
A
B
D
FLOOR
OPENING
A96283
Fig. 11– Floor and Plenum Opening Dimensions
DOWNFLOW
SUBBASE
SHEET METAL
PLENUM
FLOOR
OPENING
FURNACE
(OR COIL CASING
WHEN USED)
COMBUSTIBLE
FLOORING
A96285
Fig. 12–Furnace, Plenum, and Subbase Installed on a Com-
bustible Floor
CD5 OR CK5
COIL ASSEMBLY
OR KCAKC
COIL BOX
FURNACE
SHEET METAL
PLENUM
FLOOR
OPENING
COMBUSTIBLE
FLOORING
A96284
Fig. 13–Furnace, Plenum, and Coil Assembly or Coil Box
Installed on a Combustible Floor
TABLE 3–OPENING DIMENSIONS (IN.)
FURNACE
CASING
WIDTH
APPLICATION
PLENUM OPENING
FLOOR OPENING
A
B
C
D
17–1/2
Upflow Applications
16
24–1/8
16–5/8
24–3/4
Downflow Applications on Non-Combustible Flooring
15–7/8
19
16–1/2
19–5/8
Downflow Applications on Combustible Flooring Using
KGASB Subbase
Furnace with or wothout CD5 or CK5 Coil Assembly or
KCAKC Coil Box
15–1/8
19
16–3/4
20–3/8
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