22
Figure 28
C
OUNTERFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
WITH
R
IGHT
S
IDE
D
OWN
(S
EE
F
IGURE
29)
Minimum 5 ½" clearance is required for the drain trap
beneath the furnace.
NOTE: For horizontal installations, some of the required hoses
are found in the factory-installed hose assemblies. Remove
the hose clamps to obtain the respective hoses needed for
installation, and install per the following directions.
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 the 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 bottom of the 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.
Hose #8
Hose #7
Figure 29
C
OUNTERFLOW
M
ODEL
I
NSTALLED
H
ORIZONTALLY
WITH
L
EFT
S
IDE
D
OWN
* A
LSO
SEE
F
RONT
C
OVER
P
RESSURE
T
UBE
L
OCATION
ON
PAGE
9.
M
INIMUM
5
½
"
CLEARANCE
IS
REQUIRED
FOR
THE
DRAIN
TRAP
BENEATH
THE
FURNACE
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).
7. (Draining the Vent Elbow) Remove rubber plug from
vent drain elbow side port.
8.
The un-used vent-drain elbow drip leg port must
be plugged to prevent flue gases from escaping.
Insert rubber plug removed in step 7 into the 100°
elbow. (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).
9. Place radius end of hose #4 on the side port of vent –
drain elbow and secure with a gold clamp.
10. Insert a ½” diameter PVC pipe (factory installed) into
hose #4 and secure with a gold clamp.
11. Insert the non-grommet end of hose #5 (factory
installed) from outside the cabinet in the back drain
hole.
12. Insert 100º elbow in hose #5 and secure with a red
clamp.
13. Locate hose #4 and cut a cut off a 4” straight section
and discard the radius end.
14. Connect the 4” straight section of hose #4 to the 100º
elbow and the PVC pipe and secure with red clamps.
15. Connect the hoses to the trap inlets and secure with
silver clamps, drain trap outlet must point to the
original bottom of the furnace.
16. Using the two sheet metal screws provided in the
cabinet, secure the trap to the furnace.
17. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of furnace
trap.
