Airease 95G2DFE, Installation Instructions Manual

Page: 11 / 58

507206-01 Page 11 of 59 Issue 1337
2. After opening is cut, set the combustible flooring base
into opening.
3. Check fiberglass strips on the combustible flooring base
to make sure they are properly glued and positioned.
4. Lower supply air plenum into the combustible flooring
base until plenum flanges seal against fiberglass strips.
er opening is
NOTE: Be careful not to damage fiberglass strips. Check
for a tight seal.
5. Set the furnace over the plenum.
6. Ensure that the seal between the furnace and plenum
is adequate.
Installation on Cooling Coil Cabinet
NOTE:
Downflow combustible flooring kit is not used.
1. Refer to reverse-flow coil installation instructions for
correctly sized opening in floor and installation of
cabinet.
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.
Return Air Opening - Downflow Units
Return air may be brought in only through the top opening of
a furnace installed in the downflow position. The following
steps should be taken when installing plenum:
1. Bottom edge of plenum should be flanged with a
hemmed edge (See Figure 17 or 18).
2. Sealing strips should be used to ensure an airtight seal
between the cabinet and the plenum.
3. In all cases, plenum should be secured to top of furnace
using sheet metal screws.
4. Make certain that an adequate seal is made.
Figure 16
Figure 17
Figure 18
Combustible Flooring Base Opening Size
Table 2
Figure 15