Carrier 58RAV 170 Series Installation, Start-Up, And Operating Instructions Manual page 8

FURNACE
(OR COIL CASING
WHEN USED)
COMBUSTIBLE
FLOORING
DOWNFLOW
SUBBASE
SHEET METAL
PLENUM
FLOOR
OPENING
Fig. 6—Furnace, Plenum, and Subbase Installed
on a Combustible Floor
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.
MANUAL SHUTOFF
GAS VALVE
SEDIMENT
TRAP
A96285
Fig. 7—Furnace, Plenum, and Coil Assembly or
Coil Box Installed on a Combustible Floor
GAS
ENTRY
24"
SHEET
METAL
24"
Fig. 8—Typical Attic Installation
8
FURNACE
CD5 OR CK5
COIL ASSEMBLY
OR KCAKC
COIL BOX
COMBUSTIBLE
FLOORING
SHEET METAL
PLENUM
FLOOR
OPENING
TYPE-B
VENT
I N
6 " M
30-IN. MIN
WORK AREA
A96284
A97516