Lennox SLP98UHV SERIES - Intake Piping; Typical Air Intake Pipe Connections in Upflow Applications; Air Intake Pipe Connections in Horizontal Discharge Air Applications

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Intake Piping
The SLP98UHV furnace may be installed only in direct
vent applications.
The SLP98UHV is designed for combustion air intake
through an inlet in the unit’s top cap. Intake air piping is inde-
pendent of exhaust piping.
FIGURE 24
TYPICAL AIR INTAKE PIPE CONNECTIONS IN UPFLOW
APPLICATIONS
*2”
TRANSITION
2”
2”
2”
3”
TRANSITION
2”
3”
2”
Use only the factory− supplied trap.
Trap can be installed on either side
of cabinet within 5 ft of the furnace.
TRAP
FIGURE 25
TYPICAL AIR INTAKE PIPE CONNECTIONS IN HORIZONTAL
DISCHARGE AIR APPLICATIONS
(RIGHT HAND DISCHARGE SHOWN)
2”
2”
2”
2”
or
2”
TRANSITION
2”
3”
2”
Use only the factory− supplied
trap. Trap MUST be installed
left side for left hand discharge
within 5 ft of the furnace.