27
secure with a silver clamp. Secure hose #10 on vent -
drain elbow barb fitting with a silver clamp.
4. (Draining the Collector Box) Insert non-grommet end
of hose #9 into the cabinet front drain hole and
secure on collector box drain port with a silver
clamp.
5. Mate the drain trap inlets to the hoses and secure
with silver clamps.
6. Line up the trap mounting holes with the pre-drilled
holes in the furnace and secure with 2 screws
removed in step 2.
7. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of
furnace trap.
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
H
ORIZONTALLY
WITH
R
IGHT
S
IDE
D
OWN
Minimum 5 1/2” clearance is required for the drain trap
beneath the furnace.
Hose #8
Hose #7
Hose #7
Hose #7
Figure 29
1. Remove the drain trap and factory installed drain tube
assemblies.
2. Remove two 1’’ plugs from right side of cabinet.
3. (Draining the Collector Box) From outside the cabinet,
insert the non-grommet end hose #7 into the back
drain hole and secure to collector box drain port using a
silver clamp.
4. (Draining the Vent Elbow) Insert the straight barbed
coupling into the vent - drain elbow drip leg and secure
with a red clamp.
5. From outside the cabinet, insert te non-grommet end of
hose #8 into the front cabinet drain hole and secure on
the vent - drain elbow barb fitting using a red clamp.
6. Place the drain hoses on the trap inlets and secure
with silver clamps. The outlet of the trap must face
the original botom of furnace.
7. Using the two sheet metal screws provided in the cabinet,
secure the trap to the furnace.
8. Refer to Field Supplied Drain section for instructions on
field supplied/installed drain on outlet of furnace trap.
C
OUNTERFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
WITH
L
EFT
S
IDE
D
OWN
Minimum 5 1/2" clearance is required for the drain trap
beneath the furnace.
*Also see Front Cover Pressure Switch Tube Location on
page 14.
Hose #4
Hose #5
Hose #4
Hose #2
Figure 30
1. Remove the factory installed drain trap and hose
assemblies. Leave the 100°elbow inserted and
clamped in the vent drain elbow.
2. Remove two 1”plugs from left side of cabinet
3. (Draining the Collector Box) Remove the cap from
the left side of the collector box drain port (bottom
in horizontal left position) and install it on right
side drain port.
4. Place radius end of hose #4 (factory installed) on the
collector box drain port and secure with a silver clamp.
5. Insert hose #2 from outside the cabinet in the front
drain hole.
6. Connect hose #4 & hose #2 together using a straight
barbed coupling and two gold clamps (factory installed).
