Lennox ML193UH Installation Instructions

Page 30
(Unit shownin upflow position withremote trap)
*5’ max.
To Drain
PVC PipeOnly
FieldProvidedVent
Min.1” Above Condensate
Drain
Connection
1”
Min.
Trap CanBeInstalleda
Maximum 5’ From Furnac
e
2” Max.
CONDENSATE TRAP LOCATIONS
*Piping from furnace must slope down a
minimum 1/4” per ft. toward trap
FIGURE 46
Furnace With Evaporator
Coil Using A Separate Drain
Condensate
Drain
Connection
Field Provided Vent
(1” min. 2” max. above
condensate connection)
Evaporator drain
line required
(Trap at coil is optional)
FIGURE 47
HorizontalFurnace4” Min.to5” Max.above
condensatedrain connection)
FurnaceCondensate
Drain
Connection
From Evaporator Coil
Optional
Condensate Trap With Optional Overflow Switch
FIGURE 48

Lennox ML193UH Specifications

General

Efficiency	93% AFUE
Heating Stages	Single-stage
Blower Motor	PSC
Energy Star Certified	No
Gas Valve	Single-stage
Ignition System	Hot Surface Ignition
Blower Motor Type	PSC
Ignition Type	Hot Surface Ignition
Fuel Type	Natural Gas or Propane
Warranty	5-Year Limited Warranty on covered components
Stages of Heat	Single-stage
Heating Capacity	44, 000-132, 000 BTU/h