Maytag 111990" Automatic Dryers Service Manual page 75

1990 automatic dryers
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LEFT SIDE OR BASE EXHAUST
If dryer is to be exhausted out the left
side or through base, use the acces-
sory 304652 exhaust kit, instructions
are included with the kit.
o
Nonexhausted Installations
Always exhaust gas dryers to the
outside.
NOTE - - - - - - - - - - - - - ,
IN CANADA, ALL DRYERS MUST BE
EXHAUSTED TO THE OUTSIDE.
If the installer has determined that a
nonexhausted installation will be made,
a 303736 exhaust deflector should be
In,stalled. Maintain a
6/1
clearance
between the back of the control panel
and the wall.
Note: A dacron mesh lint bag, Part No.
3011353, is available for use on nonex-
ED/GD401 1090
hausted installations. Although the lint
screen and the lint bag will retain most
of the lint expelled, a certain amount of
line will be expelled into the laundry
area. AN ACCUMULATION OF LINT
CREATES A FIRE HAZARD. THERE-
FORE, FREQUENT CLEANING OR VAC-
UUMING OF THE LINT ACCUMULATION
IS NECESSARY.
ADDITIONAL FACTS ABOUT
EXHAUSTING
These large capacity Maytag dryers are
designed to move 180 cubic feet of air
per minute. As exhaust ducting is
added, it imposes resistance to the flow
of air which must be overcome by the
dryer exhaust fan. This resistance is
due to static, velocity and dynamic
pressure which is expressed in inches
of water column as measured by a
manometer.
There are two types of pressure losses:
1. Static or friction losses and
2. Velocity or dynamic losses.
Static or friction losses. (We will refer
to this as friction.)
Friction losses are caused by the actual
rubbing of the air molecules along the
sides of the duct. Pressure losses in
straight runs of duct are referred to as
friction losses. The pressure would
drop due to friction losses between
points 1 and 2 of the duct in the fol-
lowing drawing.
SECTION 4. PRE-INSTALLATION CONSIDERATIONS
4-5

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