Specifications

Table 5
FURNACE
CASI NG WIDTH
IN, (mm)
Opening Dimensions - in. (mm)
PLENUM OPENING FLOOR OPENING
APPLICATION
A B C D
Upflow Applications on Combustible or Noncombustible Flooring 16 21-5/8 16-5/8 22-1/4
(subbase not required) (406) (549) (422) (565)
Downflow Applications on Noncombustible Flooring 15-7/8 19 16-1/2 19-5/8
17-1/2 (subbase not required) (403) (483) (419) (498)
(445) 15-1/8 19 16-3/4 20-5/8
Downflow applications on combustible flooring (subbase required) (384) (483) (425) (600)
Downflow Applications on Combustible Flooring with Coil Assembly or coil 15-1/2 19 16-1/2 20
box (subbase not required) (394) (483) (419) (508)
Upflow Applications on Combustible or Noncombustible Flooring 19-1/2 21-5/8 20-1/8 22-1/4
(subbase not required) (495) (549) (511) (565)
Downflow Applications on Noncombustible Flooring 19-3/8 19 20 19-5/8
21 (subbase not required) (492) (483) (508) (498)
(533) Downflow applications on combustible flooring 18-5/8 19 20-1/4 20-5/8
(subbase required) (473) (483) (514) (600)
Downflow Applications on Combustible Flooring with Coil Assembly or coil 19 19 20 20
box (subbase not required) (483) (483) (508) (508)
Upflow Applications on Combustible or Noncombustible Flooring 23 21-1/8 23-5/8 22-1/4
(subbase not required) (584) (537) (600) (565)
Downflow Applications on Noncombustible Flooring 22-7/8 19 23-1/2 19-5/8
24-1/2 (subbase not required) (581) (483) (597) (498)
(622) Downflow applications on Combustible flooring 22-1/8 19 23-3/4 20-5/8
(subbase required) (562) (483) (603) (600)
Downflow Applications on Combustible Flooring with Coil Assembly or 22-1/2 19 23-1/2 20
(572) (483) (597) (508)coil box (subbase not required)
Furnace, Plenum, and Subbase
Installed on a Combustible Floor
FURNACE
(OR COIL CASING
WHEN USED)
Figure 22
COMBUSTIBLE
FLOORING
SUBBASE
SHEET METAL
PLENUM
-- FLOOR --
OPENING
Figure 23
A96285
Furnace, Plenum, and Coil
Assembly on a Combustible Floor
FURNACE
CD5 OR CK5
COIL ASSEMBLY
OR KCAKC
COIL'BOX
_ COMBUSTIBLE --
FLOORING
SHEET METAL
PLENUM _.
FLOOR
OPENING
\
E
A96284
HORIZONTAL INSTALLATION
NOTE: The furnace must be pitched forward as shown in
Figure 17 for proper condensate drainage.
The furnace can be installed horizontally in an attic or
crawlspace on either the left-hand (LH) or right-hand (RH)
side. The furnace can be hung from floor joists, rafters or
trusses or installed on a non-combustible platform, blocks,
bricks or pad.
20 Specificati ..... bject to change without notice. 440 01 4201 01