Lennox EL195UHE Unit Information page 40

El195uhe series units
Table of Contents

Advertisement

IMPORTANT
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.
Condensate Trap With Optional Overflow Switch
From Evaporator Coil
(Upflow/Furnace 1" Min. to 2" Max.
Horizontal Furnace 4" Min. to 5" Max. above
condensate drain connection)
Optional
Overflow Switch
To Drain
FIGURE 52
Drain Pan
*Piping from furnace and evaporator coil must slope down a minimum of 1/4" per ft. toward trap.
Field−Provided Vent
Furnace Condensate
Drain Connection
EL195UHE with Evaporator Coil Using a Common Drain
(Unit shown in horizontal left−hand discharge position)
Evaporator
Coil
Condensate Drain
Connection
EL195UHE with Evaporator
Coil Using a Common Drain
Field−Provided Vent
(1" min. to 2" Max. above
condensate drain connection)
Condensate
Drain Connection
4"min
5"max
5' max.
PVC Pipe Only
FIGURE 54
Page 40
Evaporator
Drain Line
Vent Required
FIGURE 53
Field−Provided Vent
(4" min. to 5" Max. above
condensate drain connection)

Advertisement

Table of Contents
loading

Table of Contents