507582-04
Page 11 of 54
Issue 2220
Figure 15.
Downflow Application Installation
Clearances
Top
0
*Front
0
Back
0
Sides
0†
Vent
0
Floor
NC‡
* Front clearance in alcove installation must be 24 in. (610
mm). Maintain a minimum of 24 in. (610 mm) for front service
access.
† Allow proper clearances to accommodate condensate trap.
‡ The furnace may be installed on a combustible wood floor if
an optional additive base is installed between the furnace and
the combustible floor.
Installation on Combustible Flooring
1.
When unit is installed on a combustible floor, a
downflow combustible flooring base must be installed
between the furnace and the floor. The base must be
ordered separately. See Table 2 for opening size to
cut in floor.
The furnace and combustible flooring base shall not be
installed directly on carpeting, tile, or other combustible
material other than wood flooring.
CAUTION
Table 2.
Combustible Flooring Base Opening Size
Cabinet
Width
Catalog
Number
Front to Rear
Side to Side
in.
mm
in.
mm
B (17.5”)
11M60
22
559
18-3/4
476
C (21”)
11M61
22
559
22-3/4
578
Figure 16.
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.
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.
Содержание 045-12
Страница 3: ...507582 04 Page 3 of 54 Issue 2220 Figure 1 Parts Arrangement ...
Страница 42: ...507582 04 Page 42 of 54 Issue 2220 Table 15A Field Wiring Applications with Conventional Thermostat ...
Страница 43: ...507582 04 Page 43 of 54 Issue 2220 Table 15B Field Wiring Applications with Conventional Thermostat Continued ...