International comfort products N8MXL Installation Instructions Manual page 12

FURNACE
CASING
WIDTH
Upflow Applications on Combustible or Noncombustible Floor-
Downflow Applications on Noncombustible Flooring
14–3/16
(360) Downflow Applications on Combustible Flooring
Downflow Applications on Combustible Flooring with Coil
END4X, ENW4X or Coil Casing NAEA (subbase not required)
Upflow Applications on Combustible or Noncombustible Floor-
Downflow Applications on Noncombustible Flooring
17–1/2
(445) Downflow Applications on Combustible Flooring
Downflow Applications on Combustible Flooring Coil with Coil
END4X, ENW4X or Coil Casing NAEA (subbase not required)
Upflow Applications on Combustible or Noncombustible Floor-
Downflow Applications on Noncombustible Flooring
21
(533) Downflow Applications on Combustible Flooring
Downflow Applications on Combustible Flooring with Coil
END4X, ENW4X or Coil Casing NAEA (subbase not required)
Upflow Applications on Combustible or Noncombustible Floor-
Downflow Applications on Noncombustible Flooring
24−1/2
(622) Downflow Applications on Combustible Flooring
Downflow Applications on Combustible Flooring with Coil
END4X, ENW4X or Coil Casing NAEA (subbase not required)
12
FURNACE
APPROVED
COIL ASSEMBLY
COIL BOX
COMBUSTIBLE
FLOORING
SHEET METAL
PLENUM
FLOOR
OPENING
Fig. 13 − Furnace, Plenum, and Coil Assembly or
Coil Box Installed on a Combustible Floor
Table 4 – Opening Dimensions − In. (mm)
APPLICATION
ing (subbase not required)
(subbase not required)
(subbase required)
ing (subbase not required)
(subbase not required)
(subbase required)
ing (subbase not required)
(subbase not required)
(subbase required)
ing (subbase not required)
(subbase not required)
(subbase required)
Specifications are subject to change without notice.
OR
PLENUM OPENING
A
12−11/16
(322)
12−9/16
(319)
11−13/16
(284)
12−5/16
(313)
16
(406)
15−7/8
(403)
15−1/8
(384)
15−1/2
(394)
19−1/2
(495)
19−3/8
(492)
18−5/8
(473)
19
(483)
23
(584)
22−7/8
(581)
22−1/8
(562)
22−1/2
(572)
FLOOR OPENING
B C
21−5/8 13−5/16 22−1/4
(549) (338) (565)
19 13−3/16 19−5/8
(483) (335) (498)
19 13−7/16 20−5/8
(483) (341) (600)
19 13−5/16
(483) (338) (508)
21−5/8 16−5/8 22−1/4
(549) (422) (565)
19 16−1/2 19−5/8
(483) (419) (498)
19 16−3/4 20−5/8
(483) (425) (600)
19 16−1/2
(483) (419) (508)
21−5/8 20−1/8 22−1/4
(549) (511) (565)
19 20 19−5/8
(483) (508) (498)
19 20−1/4 20−5/8
(483) (514) (600)
19 20
(483) (508) (508)
21−1/8 23−5/8 22−1/4
(537) (600) (565)
19 23−1/2 19−5/8
(483) (597) (498)
19 23−3/4 20−5/8
(483) (603) (600)
19 23−1/2
(483) (597) (508)
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A08556
D
20
20
20
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