Lennox EL296UH045XV36B Installation Instructions Manual page 12

The EL296UHV furnace can be installed in horizontal ap-
plications with either right- or left-hand air discharge. Re-
fer to Figure 17 for clearances in horizontal applications.
Horizontal Application
Installation Clearances
Right-Hand Discharge
L e t f E n d
AIR FLOW
Air
Flow
Bottom (Floor)**
Left-Hand Discharge
L e t f E n d
Bottom (Floor)**
Top
Front*
Back
Ends
Vent
Floor
*Front clearance in alcove installation must be 24 in. (610 mm).
Maintain a minimum of 24 in. (610 mm) for front service access.
**An 8" service clearance must be maintained below the unit to
provide for servicing of the condensate trap.
‡For installations on a combustible floor, do not install the furnace
directly on carpeting, tile or other combustible materials other
than wood flooring.
Figure 17
Suspended Installation of Horizontal Unit
This furnace may be installed in either an attic or a crawl-
space. Either suspend the furnace from roof rafters or
floor joists, as shown in Figure 18, or install the furnace
on a platform, as shown in Figure 19. A horizontal sus-
pension kit (51W10) may be ordered from Lennox or use
equivalent.
NOTE - Heavy-gauge sheet metal straps may be used to
suspend the unit from roof rafters or ceiling joists. When
straps are used to suspend the unit in this way, support
must be provided for both the ends. The straps must not
interfere with the plenum or exhaust piping installation.
Cooling coils and supply and return air plenums must
be supported separately.
R g i t h E n d
Air
Flow
Top
R g i t h E n d
AIR FLOW
0
0
0
0
0
0‡
HORIZONTAL SUSPENSION KIT
Metal Strap
(typical)
NOTE - When the furnace is installed on a platform or with
the horizontal suspension kit in a crawlspace, it must be
elevated enough to avoid water damage, accommodate
drain trap and to allow the evaporator coil to drain.
Platform Installation of Horizontal Unit
1 - Select location for unit keeping in mind service and
other necessary clearances. See Figure 17.
2 - Construct a raised wooden frame and cover frame
with a plywood sheet. If unit is installed above
finished space, install an an auxiliary drain pan
under unit. Set unit in drain pan as shown in Figure
19. Leave 8 inches for service clearance below unit
for condensate trap.
3 - Provide a service platform in front of unit. When
installing the unit in a crawl space, a proper support
platform may be created using cement blocks.
4 - Route auxiliary drain line so that water draining from
this outlet will be easily noticed by the homeowner.
5 - If necessary, run the condensate line into a
condensate pump to meet drain line slope
requirements. The pump must be rated for use
with condensing furnaces. Protect the condensate
discharge line from the pump to the outside to avoid
freezing.
6 - Continue with exhaust, condensate and intake
piping installation according to instructions.
Page 12
Internal Brace
(provided with kit)
Bracket
(typical)
Air
Flow
Figure 18