25
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. [Removed:
Place cap on vent...]
14. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of furnace
trap.
U
PFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
W
ITH
L
EFT
S
IDE
D
OWN
- A
LTERNATE
*Also see Front Cover Pressure Switch Tube Location
page
13.
Insert flange. Cut 2 ½” long.
R 000142
F
Figure 26
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.
C
OUNTERFLOW
M
ODEL
I
NSTALLED
V
ERTICALLY
Hose #4 x 3
Hose #5
Figure 27
The furnace drain may exit the right or left side of the fur-
nace 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 re-loca-
tion of the trap to outside the cabinet.
D
RAIN
E
XITING
L
EFT
S
IDE
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.
