Emerson Liebert Precision Cooling Manuale utente

Precision Cooling

For Business-Critical Continuity™

Liebert

Variable

Speed Upgrade Kits

Liebert

Variable

Speed

Upgrade

Kits

Save Money Through Energy Efficient Operation

VSD Features

Get more efficient operation from your existing Chilled

Lowest Total Cost of

Ownership

Average payback on

electricity costs is less than

two years

Utility rebates available in

some regions, providing even

faster payback

Water CRAC systems and quick payback through lower

electricity costs and utility rebates.

The Variable Speed Drive (VSD/VFD) Upgrade is easily

installed on your Liebert Deluxe System/3 Chilled Water

systems, providing immediate results with lower electrical

bills.

Save from

$1,700 to

$5 100/year

Flexibility

Easy field installation by a

factory trained technician

Higher Availability

Variable fan speed increases

the life of the fan and motor

Typically, CRAC fans run at a constant speed and deliver a constant

volume of air flow. Adding a Variable Speed Drive to the fan motor

allows fan speed and power draw to be reduced as load decreases. A 20

percent reduction in fan speed provides almost 50 percent savings in fan

power consumption.

100/year

per unit

The VSD/VFD Motor

Upgrade Kit is Ideally Suited

For Chilled Water Models of

Liebert Deluxe System/3:

In IT operations looking for

fast, easy methods of cutting

costs long term



In IT operations looking for fast



In IT operations looking for fast

ROI on cost saving initiatives

…a 20% reduction

in fan speed

Liebert Deluxe System/3 Chilled

Water systems are easily field

retrofitted with the VSD/VFD

motor kit to maximize energy

efficiency

in fan speed

provides almost

50% savings in

power

consumption

Liebert Corporation

1050 Dearborn Drive

P.O. Box 29186

Columbus, Ohio 43229

800 877 9222 Phone (U.S. &

Canada Only)

614 888 0246 Phone (Outside U.S.)

Estimate your savings

The example below shows the cost to operate a floormount chilled water

cooling unit at $0.10/kWh. Average energy savings offer full payback on

VSD/VFD upgrades in two years or less.

614 841 6022 FAX

liebert.com

24 x 7 Tech Support

800 222 5877 Phone

614 841 6755 (outside U.S.)

While every precaution has been taken to ensure accuracy

and completeness in this literature, Liebert Corporation assumes

no responsibility, and disclaims all liability for

$2,500/Year

Savings

$3,400/Year

Savings

$5,100/Year

Savings

damages resulting from use of this information or for

any errors or omissions.

the world. Specifications subject to change without notice.

All names referred to are trademarks or registered

trademarks of their respective owners.

® Liebert and the Liebert logo are registered trademarks

of the Liebert Corporation.

AP-20020 (01/09)

$1,700/Year

Savings

Emerson Network Power

Your Emerson Network Power/Liebert representative or local electric

company can give you information about utility rebates for deploying

energy efficiency initiatives. Rebates can lower the payback period to

less than a year in many applications.

Emerson Network Power

The global leader in enabling

Business-Critical Continuity™.

AC Power

Connectivity

DC Power

Embedded Computing



Embedded Power

Real world payback

A customer in Texas

has completed a VSD/VFD

upgrade, and utility savings

based on site kW measurement

readings are:



$3,400 energy cost savings per



Embedded Power

Monitoring

Outside Plant

Power Switching & Controls

Precision Cooling

Racks & Integrated Cabinets

Services

Surge Protection

A factory-trained

service professional will

assess your existing

Liebert Deluxe

System/3 for VSD/VFD

$3,400 energy cost savings per

unit per year (34,427

kWh/unit/year)

$1,100 first year utility

incentive per unit

$3 400 + $1 100 = $4 500 first

EmersonNetworkPower.com

Business-Critical Continuity, Emerson Network Power

and the Emerson Network Power logo are trademarks

and service marks of Emerson Electric Co.

System/3 for VSD/VFD

compatibility.

400

100

500

first

year savings per unit.

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