Lennox EL195UHNE Series Manual page 35

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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 46
(Trap at coil is optional)
Drain Pan
Piping from furnace and evaporator coil must slope down a minimum 1/4" per ft. toward trap
Evaporator drain
line required
Furnace with Evaporator Coil Using a Separate Drain
(Unit shown in horizontal left-hand discharge position)
Evaporator
Coil
Condensate
Drain Connection
Condensate Trap With Optional Overflow Switch
From Evaporator Coil
Optional
4"min
5"max
5' max.
PVC Pipe Only
FIGURE 48
Page 35
HorizontalFurnace4" Min. to 5" Max.above
condensatedrain connection)
FurnaceCondensate
DrainConnection
FIGURE 47
Field Provided Vent
(4" min. to 5" max. above
condensate connection)
.

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