Lennox ELITE Series Installation Instructions Manual page 33

CONDENSATE TRAP LOCATIONS
(Unit shown in upflow position with remote trap)
Field ProvidedVent
Min. 1" Above Condensate
Drain Connection
1" Min.
2" Max.
PV C PipeOnly
Trap Can Be Installed a
Maximum 5' From Furnace
*Piping from furnace must slope down a
minimum 1/4" per ft. toward trap
Figure 48
Furnace With Evaporator
Coil Using A Separate Drain
(Trap at coil is optional)
Field Provided Vent
(1" min. 2" max. above
condensate connection)
Condensate
Drain Connection
Figure 49
*5' max.
T o Drai n
Evaporator drain
line required
Condensate Trap With Optional Overflow Switch
From Evaporator Coil
Optional
Page 33
HorizontalFurnace4" Min. to 5" Max.above
condensatedrain connection)
FurnaceCondensate
DrainConnection
Figure 50