22
12.
Install the non-grommet end of hose #11 from outside
the cabinet in the upper drain hole. Install on collector
box and secure with a silver clamp.
13. 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.
14. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of furnace
trap.
Hose #6
Hose #5
Hose #11
Figure 24
Upflow Model Installed Horizontally
With Left Side Down - Alternate
*Also see Front Cover Pressure Switch Tube Location on
page 10.
Insert flange. Cut 2 ½” long.
R 000142
F
Figure 25
1. (Draining the RF000142 Coupling) Locate hose #2
(factory installed). Cut off and discard the 45°radius
end.
2. Install 90°radius end of hose #2 on RF000142 drain
outlet and secure with a red clamp.
3. Insert coupling in hose #2 and secure with a red
clamp.
4. Locate hose #5 and cut 3” from the non-grommet end.
Discard the section without the grommet.
5. Insert the cut end of tube #5 through the lower cabinet
drain hole.
6. Insert 100 degree elbow in the cut end of hose #5.
7. Locate hose #6. Using red clamps, connect between
the coupling and 100 degree elbow, cutting off excess
tubing.
8. (Draining the Collector Box) Remove cap from left
side collector box drain port (bottom in horizontal left
position) and install it on right side (top) collector box
drain port.
9.
Install the non-grommet end of hose #11 from outside
the cabinet in the upper drain hole. Install on collector
box and secure with a silver clamp.
10. 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.
CounterFlow Model Installed Vertically
The furnace drain may exit the right or left side of the furnace
cabinet (left side preferred) 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.
Hose #4 x 3
Hose #5
Figure 26
