Table of Contents
Advertisement
Front to Rear
Cabinet
Width
in
A (14-1/2")
22
B (17-1/2")
22
Table 2. Combustible Floor Opening Size
Installation on Cooling Cabinet
(Figure 10)
1. Refer to reverse-flow coil installation instructions for
correctly sized opening in floor and installation of
cabinet.
NOTE: Downflow combustible flooring kit is not used.
2.
When cooling cabinet is in place, set and secure the
furnace according to the instructions that are provided
with the cooling coil. Secure the furnace to the cabinet.
3.
Seal the cabinet and check for air leaks.
PROPERLY
SIZED FLOOR
OPENING
Figure 10.
Front
Page 10 of 38
Side to Side
mm
in
mm
559
15-3/4
400
559
18-3/4
476
UNIT
COOLING COIL
PLENUM
Return Air Opening -- Downflow Units
The following steps should be taken when installing
plenum:
1. Bottom edge of plenum should be flanged with a
hemmed edge (see Figure 11).
Side View
SEALING STRIP
(Field Provided)
2.
Sealing strip should be used.
3.
In all cases, plenum should be secured to top flanges
of furnace with sheet metal screws.
SECURE FROM
INSIDE CABINET
FIBERGLASS
SEALING STRIP
(Field Provided)
4.
In closet installations, it may be impossible to install
sheet metal screws from the outside. In this case,
make plenum with a removable front and install screws
from the inside (see Figure 12).
5.
Make certain that an adequate seal is made.
Back
Figure 13.
Issue 2220
PLENUM
SECURE FROM
OUTSIDE CABINET
HEMMED EDGE
CABINET SIDE PANEL
Figure 11.
PLENUM
HEMMED EDGE
CABINET SIDE
PANEL
Figure 12.
Horizontal
508145-01G / 31-5000660
Side View
Advertisement
Table of Contents
