Table 4 – Opening dimensions (In.)

FURNACE

 

PLENUM OPENING

FLOOR OPENING

CASING

APPLICATION

 

 

 

 

WIDTH

 

A

B

C

D

 

 

 

 

 

 

 

Upflow Applications on Combustible or Noncombustible

12--- 11/16

21--- 5/8

13--- 5/16

22--- 1/4

 

Flooring (KGASB subbase not required)

 

 

 

 

 

 

 

 

 

 

 

 

Downflow Applications on Noncombustible Flooring (KGASB

12--- 9/16

19

13--- 3/16

19--- 5/8

 

subbase not required)

 

 

 

 

 

14–3/16

 

 

 

 

 

Downflow applications on combustible flooring

11--- 13/16

19

13--- 7/16

20--- 5/8

 

(KGASB subbase required)

 

 

 

 

 

 

 

 

 

 

 

 

Downflow Applications on Combustible Flooring with CD5 or

 

 

 

 

 

CK5 Coil Assembly or KCAKC coil box

12--- 5/16

19

13--- 5/16

20

 

(KGASB subbase not required)

 

 

 

 

 

Upflow Applications on Combustible or Noncombustible

16

21--- 5/8

16--- 5/8

22--- 1/4

 

Flooring (KGASB subbase not required)

 

 

 

 

 

 

Downflow Applications on Noncombustible Flooring

15--- 7/8

19

16--- 1/2

19--- 5/8

 

(KGASB subbase not required)

 

 

 

 

 

17–1/2

Downflow applications on combustible flooring

15--- 1/8

19

16--- 3/4

20--- 5/8

 

(KGASB subbase required)

 

 

 

 

 

 

Downflow Applications on Combustible Flooring with CD5 or

 

 

 

 

 

CK5 Coil Assembly or KCAKC coil box

15--- 1/2

19

16--- 1/2

20

 

(KGASB subbase not required)

 

 

 

 

 

 

 

 

 

 

 

Upflow Applications on Combustible or Noncombustible

19--- 1/2

21--- 5/8

20--- 1/8

22--- 1/4

 

Flooring (KGASB subbase not required)

 

 

 

 

 

 

 

 

 

 

 

 

Downflow Applications on Noncombustible Flooring

19--- 3/8

19

20

19--- 5/8

 

(KGASB subbase not required)

 

 

 

 

 

21

 

 

 

 

 

Downflow applications on combustible flooring

18--- 5/8

19

20--- 1/4

20--- 5/8

 

(KGASB subbase required)

 

 

 

 

 

 

Downflow Applications on Combustible Flooring with CD5 or

 

 

 

 

 

CK5 Coil Assembly or KCAKC coil box

19

19

20

20

 

(KGASB subbase not required)

 

 

 

 

 

 

 

 

 

 

 

Upflow Applications on Combustible or Noncombustible

23

21--- 1/8

23--- 5/8

22--- 1/4

 

Flooring (KGASB subbase not required)

 

 

 

 

 

 

 

 

 

 

 

 

Downflow Applications on Noncombustible Flooring

22--- 7/8

19

23--- 1/2

19--- 5/8

 

(KGASB subbase not required)

 

 

 

 

 

24--- 1/2

 

 

 

 

 

Downflow applications on Combustible flooring

22--- 1/8

19

23--- 3/4

20--- 5/8

 

(KGASB subbase required)

 

 

 

 

 

 

Downflow Applications on Combustible Flooring with CD5 or

 

 

 

 

 

CK5 Coil Assembly or KCAKC coil box

22--- 1/2

19

23--- 1/2

20

 

(KGASB subbase not required)

 

 

 

 

312A

UPFLOW DOWNFLOW HORIZONTAL

90û

 

90û

YES

YES

YES

 

120û

YES

120û

YES

120û

YES

MIN

 

MIN

 

MIN

 

NOT

NOT

NOT

RECOMMENDED

RECOMMENDED

RECOMMENDED

A02329

Fig. 14 - Duct Flanges

13

Page 13
Image 13
Bryant 120 instruction manual Opening dimensions, Furnace Plenum Opening Floor Opening Casing, Width

120 specifications

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