Lennox EL196UH030XE24B Information page 40

EL196UHE with Evaporatoir Coil Using a Separate Drain
Evaporator
Drain Pan
Piping from furnace and evaporator coil must slope down a minimum 1/4" per ft. toward trap
EL196UHE with Evaporator
Coil Using a Common Drain
(1" min. to 2" Max.above
condensate drain connection)
Condensate
Drain Connection
FIGURE 52
Evaporator
Drain Pan
Piping from furnace and evaporator coil must slope down a minimum 1/4" per ft. toward trap
(Unit shown in horizontal left-hand discharge position)
Coil
Condensate
Drain Connection
Evaporator drain
line required.
Trap optional.
EL196UHE with Evaporator Coil Using a Common Drain
(Unit shown in horizontal left-hand discharge position)
Coil
Condensat e Drai n
Connection
4"min
5"max
5' max.
PVC Pipe Only
FIGURE 51
When combining the furnace and evaporator
coil drains together, the A/C condensate drain
outlet must be vented to relieve pressure in or­
der for the furnace pressure switch to operate
properly.
4"min
5"max
5' max.
PVC Pipe Only
FIGURE 53
Page 40
Field Provided Vent
(4" min. to 5" max. above
condensate connection)
.
IMPORTANT
(4" min. to 5" Max.above
condensate drain connection)