Lennox EL296DFE Series Installation Instructions

Page 32
1 - Determine which side condensate piping will exit
the unit, location of trap, eld-provided ttings and
length of PVC pipe required to reach available drain.
2 - Use a large at head screw driver or a 1/2” drive
socket extension and remove plug (gure 48) from
the cold end header box at the appropriate location
on the side of the unit. Install provided 3/4 NPT street
elbow tting into cold end header box. Use Teon
tape or appropriate pipe dope.
NOTE - Cold end header box drain plugs are facto-
ry installed. Check the unused plug for tightness to
prevent leakage.
3 - Install the cap over the clean out opening at the base
of the trap. Secure with clamp. See FIGURE 54.
4 - Install drain trap using appropriate PVC ttings, glue
all joints. Glue the provided drain trap as shown in
FIGURE 54. Route the condensate line to an open
drain.
5 - FIGURE 51 shows the furnace and evaporator coil
using a separate drain. If necessary, the condensate
line from the furnace and evaporator coil can drain
together. See FIGURE 52 and FIGURE 53. The eld
provided vent must be a minimum 1” to a maximum 2”
length above the condensate drain outlet connection.
6 - If unit will be started immediately upon completion of
installation, prime trap per procedure outlined in Unit
Start-Up section.
Condensate line must slope downward away from the
trap to drain. If drain level is above condensate trap,
condensate pump must be used. Condensate drain
line should be routed within the conditioned space to
avoid freezing of condensate and blockage of drain
line. If this is not possible, a heat cable kit may be used
on the condensate trap and line. Heat cable kit is avail-
able from Lennox in various lengths; 6 ft. (1.8m) - kit
no. 26K68 and 24 ft. (7.3m) - kit no. 26K69.
NOTE - Appropriately sized tubing and barbed t-
ting may be used for condensate drain. Attach to the
drain on the trap using a hose clamp. See FIGURE
49
Field Provided Drain Components
Tubing
Hose Clamp
Barbed Fitting
Elbow
FIGURE 49
CONDENSATE TRAP LOCATION
(shown with right side exit of condensation)
5’ max.
to drain
1” min.
2” max.
Trap can be installed a maximum
of 5ft. from furnace (*PVC only)
Field Provided Vent
1” min. 2” max. above
condensate drain.
*Piping from furnace must slope down a
minimum 1/4” per ft. toward trap
FIGURE 50

Lennox EL296DFE Series Specifications

General

Brand	Lennox
Model	EL296DFE Series
Category	Furnace
Language	English