Setting Equipment - Lennox DAVE SIGNATURE SL297UHNV Installation Instructions Manual

Installation - Setting Equipment
WARNING
Do not connect the return air duct to the back of the
furnace. Doing so will adversely affect the operation of
the safety control devices, which could result in personal
injury or death.
WARNING
Blower access panel must be securely in place when
blower and burners are operating. Gas fumes, which
could contain carbon monoxide, can be drawn into living
space resulting in personal injury or death.
Unit must be level side-to-side. Unit may be positioned from level to 1/2" toward the front to aid in draining.
AIR FLOW
FRONT VIEW

SETTING EQUIPMENT

UPFLOW APPLICATION
UNIT
FRONT
SIDE VIEW
HORIZONTAL APPLICATION
FRONT
FRONT VIEW
Figure 5
Page 6
Upflow Applications
The SL297UHNV gas furnace can be installed as shipped
in the upflow position. Refer to figure 6 for clearances.
Select a location that allows for the required clearances
that are listed on the unit nameplate. Also consider gas
supply connections, electrical supply, vent connection,
condensate trap and drain connections, and installation
and service clearances [24 inches (610 mm) at unit front].
The unit must be level from side to side. The unit may be
positioned from level to ½" toward the front. See figure 5.
Allow for clearances to combustible materials as indicated
on the unit nameplate.
UNIT
FRONT
UNIT
END VIEW
1/2" max.
SIDE VIEW
1/2"
max.