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(OR OTHER MANUFACTURER’S
COIL CASING WHEN USED)
FURNACE
COMBUSTIBLE
FLOORING
DOWNFLOW
SUBBASE
SHEET METAL
PLENUM
FLOOR
OPENING
A07585
Fig. 20 -- Furnace, Plenum, and Subbase Installed on a
Combustible Floor
FACTORY SUPPLIED
CASED COIL OR COIL BOX
FURNACE
COMBUSTIBLE
FLOORING
SHEET METAL
PLENUM
FLOOR
OPENING
A07586
Fig. 21 -- Furnace, Plenum, and Coil Assembly or Coil Box
Installed on a Combustible Floor
NO
YES
YES
PERFORATED
DISCHARGE DUCT
FLANGE
210 DEG.
MIN
A93029
Fig. 22 -- Duct Flanges
58MV
C