NC INSIGHT
®
Lenntech
info@lenntech.com Tel. +31-152-610-900
www.lenntech.com Fax. +31-152-616-289
Overview
Marley’s flagship factory-assembled cooling tower,
providing higher performance, fast installation and
easy maintenance.
Primary Benefits
•
Benefit Detail
Higher Tonnage and Efficiency:
• Highestcapacitypackagecoolingtowerinthe
market*helpstoreducethenumberofcells
required, saving purchasing costs
• Higherefficiencydesigncanprovideupto20%
lower energy costs
Fast Installation:
• Upto64%fasterinstallationthanprevious
designs provides over $1000 in savings per cell
• QuickInstallationfeaturesinclude:
– Factory-mounted terminal box option — provides
a single location for all controls wiring
–Quick-Installguardrailsandaluminumladders
and welded aluminum safety cages options
–Four-pointsupportallowsparallelI-beamsin
any direction or separate piers
ENERGY COSTS PER CELL - EXAMPLE *
•
ighertonnageandefficiencypercellcanlower
H
energy costs up to 20%
Upto64%lessinstallationtimepercell,providing
over$1400savingspercell,overprevious
designs
Lessthanhalfthemaintenancecostsforgear
drives compared to belt drive systems
CROSSFLOW COOLING CAPACITY - TONS
•
1500
1439
1400
1350
1300
N/A
MARLEY
B.A.C.®
$16,331
$13,064
MARLEY
40 hp
EVAPCO®
B.A.C.
50 hp
*assumesnameplatemotorhorsepowerfora610toncooling
towerwithafootprintof250sqft—$0.10/kWhand50%
annual usage
field installation hours
Ladder
and
Guardrail
Ladder
Safety
Cage
Fan
Cylinder
latest design
previous design
2
3
.25
4
0
1
Access Platform
5
7
Factory
4
16
11.25
31
total
Installed Terminal
Box
based on $75/hour, savings per tower cell would be over $1,480
*asofMay,2010
more
NC INSIGHT
Benefit Detail
Easy Maintenance:
• Geardrivestandard—5yearno-hassleoperation
• Integrallouversandeliminatorsprovidewater
containment and freezing prevention compared to
blade louvers used by other manufacturers
• Boltedand/orweldedbasinsstopleaksbetter
than tap screwed connections used by other
manufacturers
• Largeaccessdoorsandaflatfandeckdesigned
asawalkingsurfacemakestowerservicechecks
easier
Special Design Considerations
•
•
•
•
ASHRAE®Std.90.1compliant
Fullsetofdesignoptions:
–CTICertifiedsoundoptionsincluding
attenuationand/orUltraQuietfan
–Splashfillfordirtywaterapplications-NCAlpha
–Plumeabatement-NCWD
–MarleycontrolsandVFDoptionsforsuperior
energy management
3Dconfigurationspecificdrawingsprovidedwith
quotes and orders
FMApprovaloptiononeverymodelincludingFRP
fancylinderandPVCinletpiping
Capacity Range
101to1439tonspercellat95°/85°/78°F
303to4307GPMpercellhydrauliclimit
No-Hassle System 5 Geareducer®
belt drive
Annual Maintenance
$624
$2,380
5 Year Maintenance
$4,270
$11,900
example savings
$7,630
Technical Features
•
•
•
•
•
•
Induceddraft,crossflowdesignwithvertical
air discharge
Non-corrosivestainlesssteelorgalvanized
structure with bolted galvanized or welded
stainless steel cold water basin
TEFCmotor,lowsoundfanstandard
Driftratesaslowas0.001%
Beltdriveavailableonallmodelsupto60hp
Assembledwithasmuchas71%recycled
content
Common Applications
HVAC
• Missioncriticaldatacenters,hospitalsandhealth
treatment facilities, commercial buildings, schools
and colleges
Industrial
• Chemical,fertilizer,grainprocessing,ethanol
production, metals, mining, oil refining, textiles and
steel production
Power Generation
• Turbineinletcooling,jacketcoolingandtrim
coolingduringpeakheatload
Lenntech
info@lenntech.com Tel. +31-152-610-900
www.lenntech.com Fax. +31-152-616-289
|
913 664 7400
|
spxcooling@spx.com | spxcooling.com
Contact your Marley Sales Representative at
spxcooling.com/en/sales/
In the interest of technological progress, all products are subject to design and/or material change without notice.
©2011 SPX Cooling Technologies, Inc. | Printed in USA
IN-NC-10A