Instructions / Assembly

22
Hose #4 x 3
Hose #5
Figure 27
COUNTERFLOW MODEL INSTALLED VERTICALLY
The furnace drain may exit the right or left side of the
furnace cabinet (left side preferred) Trap and factory in-
stalled hoses remain as shipped if the drain will exit the
left side of the cabinet. Draining from the right side re-
quires re-location of the trap to outside the cabinet.
DRAIN EXITING LEFT SIDE
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.
DRAIN EXITING RIGHT SIDE
Figure 28
1. Remove hose clamps and hoses from trap.
2. Remove trap.
3. (Draining the Vent Elbow) Insert the non-grommet end
hose #10 into the cabinet back drain hole. Insert a
coupling into the drip leg of the vent-drain elbow and
secure with a silver clamp. Secure hose #10 on vent-
drain elbowbarb 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.
COUNTERFLOW MODEL INSTALLED HORIZONTALLY WITH
RIGHT SIDE DOWN
Minimum 5 ½" clearance is required for the drain trap be-
neath 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.
Hose #8
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.