Whirlpool 3390148 Exhaust reqdrements, Exhaust materials are not supplied

Exhaust reqdrements

Exhaust materials are not supplied.

Fire Hazard

l Do Not use non-metal, flexible duct.

l Do Not use metal duct smaller than four Inches in diameter.

l Do Not use exhaust hoods with magnetic latches. Improper air supply for exhaustlng may result in a fire.

l Check that exhaust system is not longer ttian specified. Exhaust systems longer than specified will:

- Accumulate Ilnt.

-Shorten the life of the product.

-Reduce performance, resulting In longer drying times and Increased energy

usage.

Failure to follow spectfications-, may result In a fire.

l Dryers must be exhausted to

Metal flexible duct mus be fully extended and supports d when the dryers are In final pc sit-ion. DO NOT KINK OR CRUSH TH1’ DUCT. The metal flexlble duct mus be

completely	opeti	to allc IW
adequate	exhaust	air tc Bflow.

Allow as much room as possible when using elbows or rr aking turns. Bend duct gradually to avold kinklng. Remove 8x1~s:; flexible duct to bvold sagging and ki nklng that may cause reduced alr low.

The exhaust duck can t = routed up. down, left, right or strais ht out the back of the dryers. The lower dryer can also be exhausted hrough the bottom of the dryer. PrcIduct dimensions and recesse 3 area requirements are glven Dn Page 9.

For exhaust systems not covered by the exhaust length cl )art. see WhIrlwool Service Manuc & ‘Exhausting WhIrlpool Dryers’, Part No. 603197, available fit m your Whlrlpool parts diitributc r.

Side or Bottom Exhaust: The maxlmum length of the exhaust system If dryer is exhausted out the side or bottom is 16 feet with two external elbows and hood.

Service check: The back pressure In any exhaust system used must not exceed 0.6 Inches of water column measured with an inclined manometer at the point that the exhaust system connects to the dryers.

If the dryers are installed in a confined area, they must be exhausted to the outside and provislon must be made for enough air for combustion and ventilation. Check governlng codes and ordinances. Also refer. to the ‘Recessed area and closet installation instructions.’ Page 9.

An exhaust hood should cap the exhaust duct to prevent exhausted air from returnlng into the dryers.

The outlet hood must be at least 12 inches from the ground or any object that may be In the path of the exhaust.

the outside.

l Do Not exhaust dryers into chimney, furnace cold air duct, attlc or crawl space, or any other duct used for venting.

l Clean the exhaust system frequently.

l Do Not Install flexible duct under wall, ceiling or floor materials.

Accumulated lint could result in fire or cause moisture damage.

Use duct tape to seal all joints.

A main exhaust duct can be used

Rear

Exhaust:

The maxim

urn

length

for

exhausting

a

group

of dryers.

Main

exhaust

duct

should

be sized

of

the exhaust

system

dc !pends

on

to

remove

200 CFM

of

alr

per

the

type

of

duct,

the

nul

nber

of

dryer.

Large-capacity

lint

screens

elbows,

and

the

type

of

exhaust

of

proper

design

may

be

used

In

hood.

The

maximum

ler

gth

for

both

the

main

exhaust

duct

if checked

rigld

and

flexlble

duct

is :hewn

in

and

cleaned

frequently.

The

room

the

chart.

where

the

dryers

are

located

.

should have make-up

air

equal

to

or greater than the CFM of all the

Aps@%!dryers in the room.

good	better
exhaust airflow	exhaust oifflow

Four-inch metal exhaust duct is required. Plan installation- to use the fewest number of elbows and turns.

Page 6

A’A’

Exhaust Hood T rpe

lumber of 0” turns

A

43	Ft.	Maxlmum
		length		of 4
33	Ft.	dia.	rigid
23	Ft.
		metal		duel
30	Ft.	Maximum
		length		of 4
24	Ft.
		dia.	flexibl
16 Ft.
		metal		due

air flow 1main collector dud

Back-drafl damper kits (Part No. 3391910) are avallable from your Whirlpool dealer and should be installed in each dryer’s exhaust duct to prevent exhausted air from returning into. the dryers and tb keep the exhaust in balance within the Fain exhaust duct. Unobstructed air openlngs are required.