MarleyAV Series CoolingTower
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Features
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AV Air Movement System
n Streamlined eased inlet fan cylinder
assures full area, low turbulence airflow
through the cylinder.
n Heavy duty aluminum alloy fan–
adjustable pitch blades.
n 7.5 hp and larger fans are driven by a
high quality, solid backed, multi-grooved
neoprene and polyester v-belt thru a
corrosion resistant aluminum alloy fan
sheave.
n Heavy duty, self-aligning, grease
lubricated roller bearings selected with
an L design life of 50,000 to 100,000
10
hours support the fan and shaft.
n TEFC fan motor, 1.15 service factor,
variable torque design, specially insulated
for cooling tower duty.
n The AV air movement system is
guaranteed against failure for a period
of five full years from date of shipment.
Includes fan, fan shaft, bearings and
mechanical equipment support.
AVWater Distribution System
AV Structure
n Gravity flow distribution system. Easy, nonrestrictive
maintenance. Basin covers are standard.
n Crossflow configuration — easier and safer to inspect,
service and maintain.
n Marley SpiralTarget polypropylene nozzles for
consistent, predictable water distribution.
n G-235 heavy galvanized steel. Also available in 300
stainless steel.
n Marley MX thermoformed PVC film fill is suspended
from the upper tower structure by heavy galvanized
steel support members providing clearance between fill
and sloping self-cleaning collection basin floor for easy
basin cleaning. Integral eliminators and louvers keep
circulating water confined to fill over a wide range of air
flow rates.
n Factory-assembled modules, including fan cylinders
— makes final field installation hassle-free.
n Large Access Doors—the generous plenum region in
the AV tower is nonconfining, permitting quick visual
inspection of cold water basin, internal structure, drift
eliminators and mechanical equipment.
Note: For economical transportation, AV towers are also
available unassembled and crated for export.
For Safety Reasons—always shut down and lock out the
fan motor before entering the plenum.
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Optional Equipment and Accessories
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Enhance your AV tower installation with options and accessories that will improve the operation, longevity,
maintenance, and accessibility of your cooling tower.
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Stainless Steel Distribution Basin
Corrosion is usually most aggressive in the
hot water distribution basins—stainless steel
provides assurance of long, trouble-free service
life.
External Service Platform
Provides easy access to distribution system
without increasing installed height of tower.
Platform with OSHA guardrails is Factory
Mounted, eliminating installation labor cost and
time. Field-installed ladder with optional safety
cage for easy access.
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Marley Control System Package
Factory-wired, factory-installed, factory-tested
control center in NEMA 3R enclosure mounted
on tower casing near access door. Complete
with thermostat controller for single or two-
speed motors to maintain chosen cold water
temperature.
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Stainless Steel Collection Basin
All collection basin parts in the wetted area—
including structural members projecting in the
basin, assembly and attaching hardware, and
all basin options, are heavy-gauge Series 300
stainless steel.
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InletTrash Screens
Factory-installed, U-edged, galvanized wire mesh
screens work in concert with the internal cellular
louvers.
The AV Engineering Data and Specifications
Manual AV-TS provides engineering sche-
matics, data, and information necessary for
initial tower layout and details the tower in
the form of specification language, providing
technical as well as common-sense informa-
tion on the importance of your specifica-
tions. Available on the web at spxcooling.
com or see your Marley sales representative
for a copy.
The Marley UPDATE™ web-based application
software provides model selections perfectly
tuned to your cooling water system. Func-
tions include model selection, specifications,
model optimization, performance curves,
engineering data, and free cooling applica-
tions. Available to both registered customers
and guests at spxcooling.com.
If we can help in any way, feel free to call.
To find the Marley representative nearest
you call 1 800 462 7539 or check the web at
spxcooling.com.
7401 WEST 129 STREET
OVERLAND PARK, KANSAS 66213
UNITED STATES
913 664 7400
spxcooling.com
In the interest of technological progress,
all products are subject to design and/or
material change without notice.
©2008 SPX Cooling Technologies, Inc.
Printed in USA | AV-07A
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