20
position) and install it on the right side (top) collector
box drain port.
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.
Upflow Model Installed Horizontally With Left
Side Down - Alternate
* Also see the Front Cover Pressure Switch Tube Location.
Insert flange. Cut 2 ½” long.
R 000142
F
Figure 27
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.
8.
Refer to Field Supplied Drain section for instructions
on field supplied/nstalled drain on outlet of furnace
trap.
Upflow model installed horizontally with left side
down
Minimum 5
½
” clearance is required for the drain trap
beneath the furnace.
*Also see Front Cover Pressure Switch Tube Location on
page
10
.
Hose #6
Hose #5
Hose #11
Figure 26
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. Unused vent-drain elbow drip leg port must be
sealed to prevent flue gases from escaping.
Insert the rubber plug removed in Step 6 into the
unused elbow drain port; Inserting a blunt tool
such as a 3/16” Allen wrench into the center of
the rubber plug will stretch the plug and allow
complete insertion.
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) Remove cap from left
side collector box drain port (bottom in horizontal left
