Lennox LCH036 Installation Instructions Manual page 7

CONDENSATE BOTTOM DRAIN CONNECTION
CONDENSATE COUPLING
MOUNTING
FRAME
FIGURE 6
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.
Rear Drain Connection
1- Remove the condensate drain mullion. See figure 7.
Remove the two panels on each side of the mullion.
FIGURE 7
Two hinge screws must be removed in addition to the
mullion screws. See figure 8.
UNITS WITH HINGED PANELS
CONDENSATE
DRAIN MULLION
FIGURE 8
LGH/LCH036, 048, 060, 072
UNIT
DRAIN PAN
CAULK AROUND
OPEN VENT
Minimum Pitch
1" (25 mm) per 10'
(3 m) of line
CONDENSATE
DRAIN MULLION
REMOVE
TWO
SCREWS
2- Lift the front edge of the drain pan and slide pan out
of unit. See figure 9.
REMOVE DRAIN PAN
3- Make sure the cap over the unit bottom drain hole is
secure.
4- Rotate the drain pan until the downward slope is
toward the back of the unit. Slide the drain pan back
into the unit. Be careful not to dislodge the cap over
the bottom drain hole.
5- From the back side of the unit, pull the drain pan
coupling through the rear condensate opening.
6- Replace the condensate drain mullion.
Bottom Drain Connection
1- Remove the condensate drain mullion. See figure 7.
2- Lift the front edge of the drain pan and slide pan out
of unit. See figure 9.
3- Turn the drain pan upside down and drill a pilot hole
through the bottom of the drain pan in the center of
the coupling. See figure 10.
BOTTOM CONDENSATE DRAIN
CAUTION: Be careful not to
damage the coupling threads
when drilling the hole.
After drilling the pilot
hole, drill a 7/8" hole from
the inside of the pan.
Page 7
DRAIN PAN
FIGURE 9
DRILL A PILOT
HOLE IN CENTER
OF COUPLING
FIGURE 10