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U
M
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PFLOW
ODEL
NSTALLED
D
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Minimum 5 1/2" clearance is required for the drain trap
beneath the furnace.
Hose #11
1. Remove the clamps from both ends of the drain hoses.
2. Remove the two screws holding the drain trap to the
blower deck.
3. Remove the trap and two hoses from the blower
deck
4. Remove the two plugs from the right side of the cabinet
and install them in the blower deck.
5. (Draining the Vent Elbow ) Locate hose #2 (factory
installed) and cut 1" away from the 45 degree bend,
discard the 45 degree section. Insert hose #2 and
from outside the cabinet through the cabinet drain
hole nearest the top, secure it to the barbed fitting
in the elbow with a red clamp.
6. (Draining the Collector Box) Install the non-grommet
end of hose #11 from outside the cabinet in the
bottom drain hole. Install on collector box and
secure with a silver clamp.
7. 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
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.
8. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of
furnace trap.
H
R
ORIZONTALLY WITH
IGHT
Hose #2
Figure 24
inserting
the
S
U
M
IDE
PFLOW
ODEL
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 #6
Hose #5
1. Remove the clamps from the two drain tubes on the trap.
2. Remove the two screws holding the drain trap to the
blower deck.
3. Remove the trap and hoses from the blower deck .
4. Remove the two plugs from the left side of the cabinet
and install them in the blower deck.
5. (Draining the Vent Elbow) Locate hose #6. Measuring
from the non-grommet end; cut off and discard 1 ½"
for a "D" width cabinet, 5" for a "C" width cabinet, 8
½" for a "B" width cabinet.
6. Remove the rubber plug from vent – drain elbow side
port. Place hose #6 on the vent – drain elbow side port
and secure with a silver clamp .
7. Unused vent-drain elbow drip leg port must be
sealed to prevent flue gases from escaping. Insert
the rubber plug removed in step 6 into the unused
elbow drain port. Inserting a blunt tool such as a 3/
16'' Allen wrench into the center of the rubber plug
two
will stretch the plug and allow complete insertion.
I
H
NSTALLED
ORIZONTALLY WITH
Hose #11
Figure 25
L
S
EFT
IDE
25
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