18
diameter holes which can be used interchangeably for drain
and low voltage wiring purposes. If a higher drain exit is need
-
ed, a .875” diameter hole may be added in the area shown
in Figure 23. Any unused cabinet opening must be sealed.
Do not allow drain hose to sag or trap water.
Side Cut-Out
12”
3”
Right side shown.
Acceptable
area for
drain hole.
Figure 23
Drain Exiting Right Side
1. Locate and Install the 45º pipe/hose drain coupling
from the outside of the cabinet (barbed end goes in
the cabinet) through hole in the right side of the cabinet
and secure with two field supplied #8 self-tapping
screws (see Figure 24).
2. Locate the long drain hose #3 and cut at line “A”.
3. Install large end of hose #3 to trap outlet and secure
with 1.25” clamp.
4. Install smaller end of hose #3 on 45º elbow and secure
with 1” clamp.
5. Refer to Field Supplied Drain section for instructions
on field supplied/installed drain on outlet of furnace
trap.
Drain Exiting Left Side
1. Install the 45º pipe/hose drain coupling from the
outside of the cabinet (barbed end goes in the cabinet)
through the hole in the left side of the cabinet and
secure with two field supplied #8 self-tapping screws
(see Figure 24).
2. Locate the long drain hose #3 and cut at “B” line for a
17.5” cabinet; cut at line “C” for a 21” cabinet; do not
cut for a “D” width cabinet.
3. Install large end of hose #3 to trap outlet and secure
with 1.25” clamp.
4. Install smaller end of hose #3 on 45º elbow and secure
with 1” clamp.
5. Refer to Field Supplied Drain section for instructions
on field supplied/installed drain on outlet of furnace
trap.
Hose #1
Hose #2
45 degree
barb-pipe
adapter
45 degree
barb-pipe
adapter
Installer selects right or left side drain
and installs this hose accordingly
Figure 24
Hose #11
Hose #2
Figure 25
Upflow Model Installed Horizontally
with Right Side Down
Minimum 5
½
” clearance is required for the drain trap beneath
the furnace.
1. Remove the clamps from both ends of the drain hoses.
2. Remove the two screws holding the drain trap to the
blower deck.
3. Remove the trap and two hoses from the blower deck
4. Remove the two plugs from the right side of the cabinet
and install them in the blower deck.
5. Draining the Vent Elbow: Locate hose #2 (factory
installed) and cut 1
”
away from the 45º bend, discard
