Lennox LHT078H Installation Instructions Manual page 8

CONDENSATE SIDE DRAIN CONNECTION
CAULK AROUND CONDENSATE COUPLING
NOTE - Allow clearance to
open doors when installing
condensate piping.
Minimum Pitch
1" (25 mm) per
OPEN VENT
10' (3 m) of line
Á Á Á Á Á Á Á Á Á Á
Á Á Á Á Á Á
Á Á Á Á Á Á Á Á Á Á
Á Á Á Á
FIGURE 3
CONDENSATE BOTTOM DRAIN CONNECTION
CONDENSATE COUPLING
MOUNTING
FRAME
FIGURE 4
Units are shipped with the drain coupling facing the front
of the unit. Condensate can be drained from the back or
bottom of the unit with the following modifications. The
unit can be installed in either downflow or horizontal air
discharge regardless of condensate drain location.
UNIT
MOUNTING
FRAME
UNIT
DRAIN PAN
CAULK AROUND
OPEN VENT
Minimum Pitch
1" (25 mm) per 10'
(3 m) of line
Rear Drain Connection
1- Open blower and heat access doors. See figure 5.
FILTER
ACCESS DOOR
2- Remove six screws from filter access door. Refer to
figure 6.
UNITS WITH HINGED PANELS
3- Open filter access door hinges and carefully remove
door.
4- Remove eight screws holding condensate drain
mullion and remove mullion.
5- Lift front edge of the drain pan (to clear bottom drain
plug) and slide drain pan out of unit. See figure 7.
Page 8
BLOWER
ACCESS DOOR
ACCESS DOOR
CONDENSATE
DRAIN MULLION
FIGURE 5
FILTER DOOR
CONDENSATE
DRAIN MULLION
FIGURE 6
DRAIN PAN
FIGURE 7
HEAT
REMOVE
THREE
SCREWS
(PER HINGE)