Whirlpool WGFD295 Instruction Manual download pdf (Page 14)

Alternate Vent/Flue Location—Counterflow

Alternate Vent/Flue Location—Upflow/Horizontal

(Counterflow Similar)

Alternate Combustion Air Intake Location

The alternate combustion air intake location consists of a large,

unobstructed hole (alternate vent connection is aligned with the

induced draft blower). To use the alternate combustion air intake

location, refer to the following steps and the “Alternate

Combustion Air Intake Location” illustration.

1. Remove and save the 4 screws securing the combustion air

intake coupling to the base pan.

2. Remove the 3 screws securing the furnace’s internal

combustion air intake pipe to the induced draft blower deck.

3. Remove the combustion air intake pipe from the furnace and

cut the pipe at the base pan coupling.

4. Save the base pan coupling and gasket from the induced

draft blower deck coupling for use in the alternate location.

Discard the remaining pipe.

5. Remove the plastic plug from the alternate combustion air

intake location.

6. Relocate and install the plastic plug in the standard air intake

location (base pan).

7. Insert the plastic plug (included in the drain kit bag) into the

remaining hole in the induced draft blower deck.

8. With the gasket facing the cabinet side panel and the flange’s

flat spot facing forward, secure the combustion air intake

coupling to the cabinet using the screws removed in Step 1

or with field-supplied ³⁄₈" #8 self-drilling screws.

9. For nondirect vent installations installed horizontally, a

minimum of one 90° elbow should be installed on the

combustion air intake coupling to guard against inadvertent

blockage.

NOTE: No elbow is required on the alternate combustion air

intake of upright installations, however, a minimum clearance

of 2" (5.1 cm) is required to assure proper air supply.

10. For direct vent installations, secure field-supplied combustion

air intake pipe directly to the air intake coupling.

NOTE: A PVC coupling or elbow is required on counterflow

furnaces.

Alternate Combustion Air Intake Location—Counterflow

Nondirect Vent (Single Pipe) Piping

Nondirect vent installations require only a vent/flue pipe. The vent

pipe can be run horizontally with an exit through the side of the

building or run vertically with an exit through the roof of the

building. The vent can also be run through an existing unused

chimney; however, it must extend a minimum of 12" (30.5 cm)

above the top of the chimney. The space between the vent pipe

and the chimney must be closed with a weather-tight, corrosion-

resistant flashing. For details concerning connection of the vent/

flue pipe to the furnace, refer to “Vent Pipe Installation and

Combustion Air—Standard Furnace Connections” or “Vent Pipe

Installation and Combustion Air—Alternate Furnace

Connections” for specific details.

Refer to the following “Nondirect Vent (Single Pipe) Piping—Vent/

Flue Pipe Terminations” for specific details on termination

construction.

Although nondirect vent installations do not require a combustion

air intake pipe, a minimum of one 90° elbow should be attached

to the furnace’s combustion air intake if an upright installation

uses the standard intake location, or a horizontal installation uses

the alternate air intake location. This elbow will guard against

inadvertent blockage of the air intake.

A. Vent/flue pipe

B. Screw locations (4)

C. Screw locations (3)

D. Plastic plug—alternate vent/flue location

E. Rubber elbow

F. Induced draft blower

A. Rubber coupling

B. Vent/flue pipe

C. Induced draft blower

A. Section of pipe to be

cut.

B. Screw locations (4)

C. 2" (5.1 cm) minimum

D. Plastic plug—alternate combustion air

intake location

E. Screw locations (3)

F. Plastic plug from drain kit bag

Goodman 58

Be sure not to damage internal wiring or other

components when reinstalling coupling and screws.

CAUTION

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Whirlpool WGFD295 Instruction Manual Page 14

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