Allied Air A96US2V Installation Instructions Manual page 12

Horizontal Application
Installation Clearances
Right-Hand Discharge
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 unless the trap is mounted
remotely.
‡ 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 suspension
kit (51W10) may be ordered from your distributor 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.
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0
NOTE: When the furnace is installed on a platform or with
0
the horizontal suspension kit in a crawl space, it must be
0
elevated enough to avoid water damage, accommodate
0 drain trap and to allow the evaporator coil to drain.
0
Platform Installation of Horizontal Unit
0
‡
1. Select location for unit keeping in mind service and other
2. Construct a raised wooden frame and cover frame with a
3. Provide a service platform in front of unit. When
4. Route auxiliary drain line so that water draining from
5. If necessary, run the condensate line into a condensate
6. Continue with exhaust, condensate and intake piping
Issue 1621
Typical Horizontal Application
Figure 18
necessary clearances. See Figure 17.
plywood sheet. If unit is installed above finished space,
fabricate an auxiliary drain pan to be installed under unit.
Set unit in drain pan as shown in Figure 19. Leave 8
inches for service clearance below unit for condensate
trap.
installing the unit in a crawl space, a proper support
platform may be created using cement blocks.
this outlet will be easily noticed by the homeowner.
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.
installation according to instructions.
507404-04