Carrier 58CTX - FILTER ARRANGEMENT; AIR DUCTS; General Requirements; Ductwork Acoustical Treatment

Table 4—Opening Dimensions (In.)
FURNACE
CASING
WIDTH
APPLICATION
PLENUM OPENING FLOOR OPENING
ABCD
14–3/16
Upflow Applications on Combustible or Noncombustible
Flooring (KGASB subbase not required)
12-11/16 21-5/8 13-5/16 22-1/4
Downflow Applications on Noncombustible Flooring
(KGASB subbase not required)
12-9/16 19 13-3/16 19-5/8
Downflow applications on combustible flooring (KGASB
subbase required)
11-13/16 19 13-7/16 20-5/8
Downflow Applications on Combustible Flooring with CD5 or
CK5 Coil Assembly or KCAKC coil box (KGASB subbase
not required)
12-5/16 19 13-5/16 20
17–1/2
Upflow Applications on Combustible or Noncombustible
Flooring (KGASB subbase not required)
16 21-5/8 16-5/8 22-1/4
Downflow Applications on Noncombustible Flooring
(KGASB subbase not required)
15-7/8 19 16-1/2 19-5/8
Downflow applications on combustible flooring (KGASB
subbase required)
15-1/8 19 16-3/4 20-5/8
Downflow Applications on Combustible Flooring with CD5 or
CK5 Coil Assembly or KCAKC coil box (KGASB subbase
not required)
15-1/2 19 16-1/2 20
21
Upflow Applications on Combustible or Noncombustible
Flooring (KGASB subbase not required)
19-1/2 21-5/8 20-1/8 22-1/4
Downflow Applications on Noncombustible Flooring
(KGASB subbase not required)
19-3/8 19 20 19-5/8
Downflow applications on combustible flooring (KGASB
subbase required)
18-5/8 19 20-1/4 20-5/8
Downflow Applications on Combustible Flooring with CD5 or
CK5 Coil Assembly or KCAKC coil box (KGASB subbase
not required)
19 19 20 20
24-1/2
Upflow Applications on Combustible or Noncombustible
Flooring (KGASB subbase not required)
23 21-1/8 23-5/8 22-1/4
Downflow Applications on Noncombustible Flooring
(KGASB subbase not required)
22-7/8 19 23-1/2 19-5/8
Downflow applications on Combustible flooring (KGASB
subbase required)
22-1/8 19 23-3/4 20-5/8
Downflow Applications on Combustible Flooring with CD5 or
CK5 Coil Assembly or KCAKC coil box (KGASB subbase
not required)
22-1/2 19 23-1/2 20
Fig. 14—Duct Flanges
A02329
UPFLO
W OWNFLOW
HORIZONTAL
PREFERRED
PERMITTED
PREFERRED
PREFERRED
PREFERRED
120˚
MIN
PREFERRED
120˚
MIN
PREFERRED
120˚
MIN
90˚
90˚
PERMITTED PERMITTED
D
13