Payne PG8J - Page 14

14
TABLE 4—OPENING DIMENSIONS (IN.)
FURNACE
CASING
WIDTH
APPLICATION
PLENUM OPENING FLOOR OPENING
A B C D
14–3/16
Upflow Applications on Combustible or Noncombustible Floor-
ing (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 sub-
base 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 Floor-
ing (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 sub-
base 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 Floor-
ing (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 sub-
base 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 Floor-
ing (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 sub-
base 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
PG8J/M