Instruction manual
21
8. Refer to Field Supplied Drain section for instructions on
field supplied / installed drain on outlet of furnace trap.
UPFLOW MODEL INSTALLED HORIZONTALLY WITH LEFT SIDE
DOWN
Minimum 5 3/8" clearance is required for the drain trap be-
neath the furnace.
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.
6. Remove the rubber plug from vent – drain elbow side port. Place hose #6 on the vent – drain elbow side port and secure
with a silver clamp .
7. Place cap on vent – drain elbow barb fitting and secure with red clamp
8. Locate hose #5 and cut 3” from the non-grommet end. Discard the section without the grommet.
9. Insert the cut end of tube #5 through the lower cabinet drain hole.
10.Connect hose #6 & hose #5 using 100º elbow and secure with two red clamps
11.(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.
12.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.
13.Place cap on vent – drain elbow barb fitting and secure with red clamp.
14.Refer to Field Supplied Drain section for instructions on field supplied / installed
drain on outlet of furnace trap.
COUNTERFLOW MODEL INSTALLED VERTICALLY
The furnace drain may exit the right or left side of the furnace cabinet (left side pre-
ferred) Trap and factory installed hoses remain as shipped if the drain will exit the left
side of the cabinet. Draining from the right side requires relocation of the trap to
outside the cabinet.
DRAIN EXITING LEFT SIDE
1. Install a field supplied rubber coupling secured with a 1 1/4” clamp to enable removing
the trap for future cleaning. Alternately, a PVC fitting may be glued on the trap
outlet.
2. Install drain per local and National codes.
Hose #6
Hose #5
Hose #11
Figure 23
Hose #5 x 2
Hose #4 x 2
Figure 24