GMES96-U Installation Manual
19
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 22).
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 22).
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 #11
Hose #2
Figure 23
UPFLOW MODEL INSTALLED HORIZONTALLY WITH RIGHT SIDE
DOWN
Minimum 5 ½" clearance is required for the drain trap be-
neath 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
the 45º section. Insert hose #2 from outside the cabinet
through the cabinet drain hole nearest the top, secure
it to the barbed fitting in the elbow with a red clamp.
6. Draining the Collector Box: Install the non-grommet
end of hose #11 from outside the cabinet in the bottom
drain hole. Install on collector box and secure with a
silver clamp.
7. Use two silver clamps and secure the hoses to drain
trap. The trap outlet faces the front of the furnace.
Secure the trap to the cabinet using two screws
removed in step 2 by inserting the two screws through
the large set of holes in the top mounting tabs of the
trap into the two predrilled holes in the side of the
cabinet.
8. Refer to Field Supplied Drain section for instructions
on field supplied/installed drain on outlet of furnace
trap.
Hose #6
Hose #5
Hose #11
Front Cover
Pressure Switch
Tube Location
Figure 24
UPFLOW MODEL INSTALLED HORIZONTALLY WITH LEFT SIDE
DOWN
Minimum 5 ½" clearance is required for the drain trap be-
neath the furnace.
*See Front Cover Pressure Switch Tube Location on Figure
24.
1. Remove the clamps from the two drain tubes on the trap.
2. Remove the two screws holding the drain trap to the
blower deck.
3. Remove the trap and hoses from the blower deck.
4. Remove the two plugs from the left side of the cabinet
and install them in the blower deck.
5. Draining the Vent Elbow: Locate hose #6. Measuring
from the non-grommet end; cut off and discard 1 ½"
for a “D” width cabinet, 5” for a “C” width cabinet, 8
½" for a “B” width cabinet.