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3. Install casing hole filler cap (factory-supplied in loose parts

bag) into blower shelf hole where trap was removed.

WARNING:

CARBON MONOXIDE POISONING

HAZARD
Failure to follow this warning could result in personal
injury or death.
Casing hole filler cap must be installed in blower shelf
hole when condensate trap is relocated to prevent com-
bustion products being drawn in from appliances in the
equipment room.

4. Install condensate trap into left-hand side casing hole by

inserting tube connection stubs through casing hole and
rotating until tabs snap into locking position.

5. Fill unused condensate trap casing holes with plastic filler

caps (factory-supplied in loose parts bag).

Condensate Trap Tubing (Alternate Upflow

Orientation)

NOTE:

See Fig. 7 or tube routing label on main furnace door to

confirm location of these tubes.

1. Collector Box Drain Tube

Connect collector box drain tube (blue label) to condensate
trap.

NOTE:

On 17-1/2 in. wide furnaces ONLY, cut tube between

corrugated sections to prevent kinks from occurring.

2. Inducer Housing Drain Tube

a. Remove and discard LOWER (molded) inducer housing

drain tube which was previously connected to conden-
sate trap.

b. Use inducer housing drain extension tube (violet label

and factory-supplied in loose parts bag) to connect
LOWER inducer housing drain connection to the con-
densate trap.

c. Determine appropriate length, cut, and connect tube.

d. Clamp tube to prevent any condensate leakage.

3. Relief Port Tube

a. Connect relief port tube (green label) to condensate trap.

b. Extend this tube (if required) by splicing to small

diameter tube (factory-supplied in loose parts bag).

c. Determine appropriate length, cut, and connect tube.

Condensate Trap Field Drain Attachment

Refer to Condensate Drain section for recommendations and
procedures.

Pressure Switch Tubing

The LOWER collector box pressure tube (pink label) is factory
connected to the High Pressure Switch and should not require any
modification.

NOTE:

See Fig. 6 or 7 or tube routing label on main furnace door

to check for proper connections.

Upper Collector Box and Inducer Housing (Unused)

Drain Connections

1. Upper collector box drain connection

Attached to the UPPER collector box drain connection is a
factory-installed corrugated, plugged tube (blue and white
striped label). This tube is plugged to prevent condensate
leakage in this application. Ensure this tube is plugged.

NOTE:

See Fig. 6 or 7 or tube routing label on main furnace door

to check for proper connections.

2. Upper inducer housing drain connection

Attached to the UPPER (unused) inducer housing drain
connection is a cap and clamp. This cap is used to prevent
condensate leakage in this application. Ensure this connec-
tion is capped.

NOTE:

See Fig. 6 or 7 or tube routing label on main furnace door

to check for proper connections.

Fig. 8—Downflow Tube Configuration

Left-Hand Trap Installation)

A01023

PLUG

COLLECTOR BOX

TUBE (GREEN)

COLLECTOR BOX

TUBE (PINK)

COLLECTOR BOX