Carrier 140 Series - GAS PIPING

Fig. 6—Furnace, Plenum, and Subbase Installed
on a Combustible Floor
A96285
DOWNFLOW
SUBBASE
SHEET METAL
PLENUM
FLOOR
OPENING
FURNACE
(OR COIL CASING
WHEN USED)
COMBUSTIBLE
FLOORING
Fig. 7—Furnace, Plenum, and Coil Assembly or
Coil Box Installed on a Combustible Floor
A96284
CD5 OR CK5
COIL ASSEMBLY
OR KCAKC
COIL BOX
FURNACE
SHEET METAL
PLENUM
FLOOR
OPENING
COMBUSTIBLE
FLOORING
Fig. 8—Typical Attic Installation
A97516
30-IN. MIN
WORK AREA
6
″
MIN
TYPE-B
VENT
GAS
ENTRY
24 ″
24 ″
SHEET
METAL
SEDIMENT
TRAP
MANUAL SHUTOFF
GAS VALVE
LINE CONTACT ONLY PERMISSIBLE BETWEEN
LINES FORMED BY INTERSECTIONS OF
THE TOP AND TWO SIDES OF THE FURNACE
JACKET AND BUILDING JOISTS,
STUDS, OR FRAMING.
Fig. 9—Horizontal Installation on Blocks
A95235
8