Lennox SIGNATURE SLP99UHV Installation Instructions Manual page 7

Place level on the front blower
deck to check side to side
Unit must be level side-to-side. Unit may be positioned from level to 1/2" toward the front to aid in draining.
Side Return Air
(with transition and filter)
Transition
FIGURE 6
SLP99UHV applications which include side return air
and a condensate trap installed on the same side of
the cabinet (trap can be installed remotely within 5
feet) require either a return air base or field-fabricated
transition to accommodate an optional IAQ accessory
taller than 14.5". See FIGURE 6.
HORIZONTAL APPLICATION
AIR FLOW
FRONT VIEW
20" X 25" X 1"
(508mmX635mmX 25mm)
Air Filter
Return
Air
Plenum
SETTING EQUIPMENT
UPFLOW APPLICATION
Place level on blower
deck screws to check
forward tilt
UNIT
FRONT
UNIT
FRONT
FIGURE 5
Removing the Bottom Panel
Remove the two screws that secure the bottom cap to the
furnace. Pivot the bottom cap down to release the bottom
panel. Once the bottom panel has been removed, reinstall
the bottom cap. See FIGURE 7.
Removing the Bottom Panel
Screw
Bottom Panel
Page 7
AIR FLOW
SIDE VIEW
1/2"
max.
END VIEW
Bottom Cap
FIGURE 7
1/2"
max.