24
installed. See following instructions for your model and installation
position.
NOTE: Both sides of the drain trap must be primed prior
to initial furnace start up.
F
IELD
S
UPPLIED
D
RAIN
Drain the furnace and air conditioning coil if applicable, in compli-
ance with code requirements. In horizontal or counterflow installa-
tions, a field installed rubber coupling will allow the drain trap to be
removed for cleaning. The drain trap must be primed before initial
furnace start up. When an air conditioning coil drain is connected to
the field supplied furnace drain, it must be vented.
U
PFLOW
M
ODEL
I
NSTALLED
V
ERTICALLY
The trap and factory installed hoses remain as shipped. The furnace
drain may exit either the right or left side of the furnace cabinet.
D
RAIN
E
XITING
R
IGHT
S
IDE
1. Locate and Install the 45º pipe / hose drain coupling from the
outside of the cabinet (barbed end goes in the cabinet) through
hole in the right side of the cabinet and secure with two field
supplied #8 self-tapping screws (see Figure 22).
2. Locate the long drain hose #3 and cut at line “A” .
3. Install large end of hose #3 to trap outlet and secure with
1.25" clamp.
4. Install smaller end of hose #3 on 45º elbow and secure with
1" clamp.
5. Refer to Field Supplied Drain section for instructions on
field supplied / installed drain on outlet of furnace trap.
D
RAIN
E
XITING
L
EFT
S
IDE
1. Install the 45 degree pipe / hose drain coupling from the
outside of the cabinet (barbed end goes in the cabinet)
through the hole in the left side of the cabinet and secure
with two field supplied #8 self-tapping screws. (see Figure
22).
2. Locate the long drain hose #3 and cut at “B” line for a
17.5" cabinet; cut at line “C” for a 21" cabinet; do not cut
for a “D” width cabinet.
3. Install large end of hose #3 to trap outlet and secure with
1.25” clamp.
4. Install smaller end of hose #3 on 45° elbow and secure with
1” clamp.
5. Refer to Field Supplied Drain section for instructions on
field supplied / installed drain on outlet of furnace trap.
#3
#1
#2
#4
#5
#6
#7
#8
#9
#10
#11
100 Degree
Elbow
Coupling
Figure 21
NOTE:
Hoses are model specific
Installer selects right or left side drain
and installs this hose accordingly.
Hose #1
Hose #2
45 degree
barb-pipe
adapter
45 degree
barb-pipe
adapter
Figure 22
