Carrier 58CTA/CTX User Manual Page 13

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13
Table 4 Opening dimensions -- In. (mm)
FURNACE
CASING
WIDTH
APPLICATION
PLENUM OPENING FLOOR OPENING
A B C D
14–3/16
(376)
Upflow Applications on Combustible or Noncombustible Floor-
ing (KGASB subbase not required)
12--- 11/16
(322)
21--- 5/8
(549)
13--- 5/16
(338)
22--- 1/4
(565)
Downflow Applications on Noncombustible Flooring (KGASB
subbase not required)
12--- 9/16
(319)
19
(483)
13--- 3/16
(335)
19--- 5/8
(498)
Downflow applications on combustible flooring (KGASB sub-
base required)
11--- 13/16
(284)
19
(483)
13--- 7/16
(341)
20--- 5/8
(600)
Downflow Applications on Combustible Flooring with CNPV,
CNRV, CAR, or CAP Coil Assembly or KCAKC coil box
(KGASB subbase not required)
12--- 5/16
(319)
19
(483)
13--- 5/16
(338)
20
(508)
17–1/2
(445)
Upflow Applications on Combustible or Noncombustible Floor-
ing (KGASB subbase not required)
16
(406)
21--- 5/8
(549)
16--- 5/8
(422)
22--- 1/4
(565)
Downflow Applications on Noncombustible Flooring (KGASB
subbase not required)
15--- 7/8
(403)
19
(483)
16--- 1/2
(419)
19--- 5/8
(498)
Downflow applications on combustible flooring (KGASB sub-
base required)
15--- 1/8
(384)
19
(483)
16--- 3/4
(425)
20--- 5/8
(600)
Downflow Applications on Combustible Flooring with CNPV,
CNRV, CAR, or CAP Coil Assembly or KCAKC coil box
(KGASB subbase not required)
15--- 1/2
(394)
19
(483)
16--- 1/2
(419)
20
(508)
21
(533)
Upflow Applications on Combustible or Noncombustible Floor-
ing (KGASB subbase not required)
19--- 1/2
(495)
21--- 5/8
(549)
20--- 1/8
(511)
22--- 1/4
(565)
Downflow Applications on Noncombustible Flooring (KGASB
subbase not required)
19--- 3/8
(492)
19
(483)
20
(508)
19--- 5/8
(498)
Downflow applications on combustible flooring (KGASB sub-
base required)
18--- 5/8
(473)
19
(483)
20--- 1/4
(514)
20--- 5/8
(600)
Downflow Applications on Combustible Flooring with CNPV,
CNRV, CAR, or CAP Coil Assembly or KCAKC coil box
(KGASB subbase not required)
19
(483)
19
(483)
20
(508)
20
(508)
24--- 1/2
(622)
Upflow Applications on Combustible or Noncombustible Floor-
ing (KGASB subbase not required)
23
(584)
21--- 1/8
(537)
23--- 5/8
(600)
22--- 1/4
(565)
Downflow Applications on Noncombustible Flooring (KGASB
subbase not required)
22--- 7/8
(581)
19
(483)
23--- 1/2
(597)
19--- 5/8
(498)
Downflow applications on Combustible flooring (KGASB sub-
base required)
22--- 1/8
(562)
19
(483)
23--- 3/4
(603)
20--- 5/8
(600)
Downflow Applications on Combustible Flooring with CNPV,
CNRV, CAR, or CAP Coil Assembly or KCAKC coil box
(KGASB subbase not required)
22--- 1/2
(572)
19
(483)
23--- 1/2
(597)
20
(508)
UPFLO
W OWNFLOW
HORIZONTAL
YES
NOT
RECOMMENDED
YES
YES
YES
120û
MIN
YES
120û
MIN
YES
120û
MIN
90û
90û
NOT
RECOMMENDED
NOT
RECOMMENDE
D
A02329
Fig. 14 -- Duct Flanges
58CT
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