Installation Guide

20
COUNTERFLOW MODEL INSTALLED VERTICALLY
Hose #5 x 2
Hose #4 x 2
Figure 24
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.
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 25
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. Secure on
vent – drain elbow barb fitting with a red clamp.
4. Insert 100º elbow into the cut end and secure with red
clamp.
5. (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.
6. Mate the drain trap inlets to the hoses and secure with
silver clamps.
7. Line up the trap mounting holes with the pre-drilled
holes in the furnace and secure with 2 screws removed
in step 2.
8. 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 3/8" clearance is required for the drain trap
beneath the furnace.
Drain Port
Hose #7
Hose #8
Figure 26
1. Remove hose clamps and hoses from trap.
2. Remove trap.
3. (Draining the Collector Box) From outside the cabinet,
insert the non-grommet end hose #8 into the back drain
hole.
4. Secure to collector box drain port using a silver clamp.
5. (Draining the Vent Elbow) From outside the cabinet,
insert the non-grommet end of hose #7 into the front
cabinet drain hole and secure on the vent – drain
elbow barb fitting using a red clamp
6. Mate the trap inlets to the hoses, the outlet of the
trap must face the original bottom of the furnace.
Secure with silver clamps.
7. Fasten the drain trap to the cabinet with two screws
removed in step 2
8. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of furnace
trap.