Lennox ML193UH Installation Instructions Manual page 31

CONDENSATE TRAP LOCA­
TIONS
(Unit shown in upflow position with remote trap)
Field ProvidedVent
Min. 1" Above Condensate
Drain Connection
1" Min.
2" Max.
*5' max.
PV C PipeOnly
*Piping from furnace must slope down a minimum of
1/4" per ft. toward trap.
FIGURE 48
ML193UH With Evaporator
Coil Using A Separate Drain
(Trap at coil is optional)
Field Provided Vent
(1" min. 2" max. above
condensate connec­
tion)
Condensate
Drain Connection
FIGURE 49
T o Drai n
Evaporator drain
line required
Page 31
Condensate Trap With Optional Overflow Switch
From Evaporator Coil
Horizontal Furnace4" Min. to 5" Max. above
Optional
FIGURE 50
condensate drain connection)
Furnace Condensate
Drain Connection