Bryant 313AAV User Manual

Page 11

″

(44mm)

(8mm)

(44mm)

(8mm)

(44mm)

A89014

Fig. 10 -- Leveling Legs

4. Adjust outside nut to provide desired height, and tighten

inside nut to secure arrangement.

5. Reinstall bottom closure panel if removed.

DOWNFLOW INSTALLATION
NOTE: For downflow applications, this furnace is approved for
use on combustible flooring when any one of the following 3
accessories are used:

Special Base, KGASB

Cased Coil Assembly Part No. CNPV, CNRV, CAP, or
CAR

Coil Box Part No. KCAKC

1. Determine application being installed from Table 4.
2. Construct hole in floor per Table 4 and Fig. 11.
3. Construct plenum to dimensions specified in Table 4 and

Fig. 11.

4. If downflow subbase, KGASB is used, install as shown in

Fig. 12. If Coil Assembly Part No. CNPV, CNRV, CAP
and CNR or Coil Box PartNo. KCAKC is used, install as

shown in Fig. 13.

NOTE: It is recommended that the perforated supply--air duct
flanges be completely folded over or removed from furnace when
installing the furnace on a factory--supplied cased coil or coil box.
To remove the supply--air duct flange, use wide duct pliers or
hand seamers to bend flange back and forth until it breaks off. Be
careful of sharp edges. (See Fig. 14.)
Bottom Return Air Inlet
These furnaces are shipped with bottom closure panel installed in

bottom return--air opening. Remove and discard this panel when

bottom return air is used. To remove bottom closure panel,
perform the following:

1. Tilt or raise furnace and remove two screws holding

bottom filler panel. (See Fig. 9.)

2. Rotate bottom filler panel downward to release holding

tabs.

3. Remove bottom closure panel.
4. Reinstall bottom filler panel and screws

PLENUM

OPENING

FLOOR

OPENING

A96283

Fig. 11 -- Floor and Plenum Opening Dimensions

DOWNFLOW

SUBBASE

SHEET METAL

PLENUM

FLOOR

OPENING

FURNACE

(OR COIL CASING

WHEN USED)

COMBUSTIBLE

FLOORING

A96285

Fig. 12 -- Furnace, Plenum, and Subbase Installed

on a Combustible Floor

313A