A
PLENUM
OPENING
B
FLOOR
OPENING
C
Fig. 21 - - Floor and Plenum Opening Dimensions
Fig. 23 - - Furnace, Plenum, and Coil Assembly or Coil Box Installed on a Combustible Floor
D
A96283
FURNACE
FACTORY SUPPLIED
CASED COIL OR COIL BOX
COMBUSTIBLE
FLOORING
SHEET METAL
PLENUM
FLOOR
OPENING
- - 22 - -
FURNACE
(OR COIL CASING
WHEN USED)
COMBUSTIBLE
FLOORING
DOWNFLOW
SUBBASE
SHEET METAL
PLENUM
FLOOR
OPENING
Fig. 22 - - Furnace, Plenum, and Subbase
Installed on a Combustible Floor
A96285
A07586