Chiller Optimizer™
Welcome to chiller
energy efficiency technology.
The Chiller Optimizer is an economical system for application
in commercial and industrial facilities that yields 20 to 30%
energy savings, reduces peak energy demand, improves
temperature control, extends chiller life and reduces chiller
maintenance.
This self-contained microprocessor system is specifically
designed for use with chillers and comes factory-programmed
with ELECTRA" software. Only the Millennium Series
Chiller Optimizer" combines the highest quality
state-of-the-art hardware with custom ELECTRA" software
with specialized chiller algorithms developed after hundreds
of Chiller Optimizer" installations and 35 years of
chiller and chiller control experience. There are NO
compromises to comfort or chiller performance. Only improved
efficiency.
|
|
A
multitude of companies, including many FORTUNE 500 companies,
have dramatically reduced their
energy costs by having Energy Optimization's Chiller
Optimizers installed. These companies have seen
return-on-investments (ROIs) of a minimum of 500% over
the 15-years life of their Chiller Optimizers.
Chiller Optimizer is a registered trademark of K&A
Americas, LLC - 6021 University Blvd., Suite 320
Ellicott City, Maryland 21043
Installations
Imperial
Palace Hotel Las Vegas, Nevada |
Four
Seasons Hotel (3) Toronto, Canada |
Nationwide
Insurance Raleigh, NC |
Cal
Poly Pomona (6) Pomona, CA |
Windward
Mall
Kaneohe, Hawaii |
Koll
Center Newport (KCN-9)
Newport Beach, CA |
Fruit
Of The Loom Spinning Plant, Aliceville, AL |
Kaiser
Hospitals Pasadena, CA
(Regional headquarters) |
UCLA
Los Angeles, CA |
Apple
Computer Fremont, CA |
Loral
Imaging Systems Fremont, CA |
Port
Plaza Mall
Green Bay, WI |
Teledyne
Components Division,
Mountain View, CA |
Xerox
Corp.
Santa Ana, CA |
Marquis
Resort, Palm Springs, CA |
Holiday
Inn Hotel
Key West, FL |
Holiday
Inn
Cancun, Mexico |
Wyndham
Garden Hotel, Costa Mesa, CA |
Intel
Corp.
Manila, Philippines |
Macy's
King Of Prussia, PA |
Click Here:
Chiller
Optimizer Brochure
Click Here:
Case
Study Hilton/California
Click Here:
View The Chiller Optimizer Video
|
Frequently
Asked Questions:
|
When
does the Optimizer save energy?
It's
really most of the time. These are some of the conditions
when savings occur: Early morning, at night, Spring, Fall,
Winter if chillers run, a cloudy day, if chiller is
oversized, if chillers cycle frequently, when occupancy is
low, when production is less than maximum.
What kind of savings
can I expect?
Annual
savings are 25-30% but can be more during low load
conditions.
If savings are
25-30% what will my dollar savings be?
Actual
dollar savings are dependant on the size of chillers,
the operating hours, and the kWh rate. The larger the
chiller the larger the savings. Also, facilities that
operate 24 hrs/day such as hotels, hospitals, or
factories will realize the greatest dollar savings
often $30-80,000.
Yes, these are perfect
applications. Efficiency improvements are greatest on
older chillers. If considering a refrigerant
conversion to a non-CFC refrigerant the addition of a
Chiller Optimizer" provides savings to pay for
this conversion. Without an Optimizer, there is no
financial incentive as the conversion only solves the
environmental requirement and routinely degrades the
efficiency of the chiller.
If I have an EMS
(Energy Management System), BMS (Building Management
System), or BAS (Building Automation System) is there
an application for a Chiller Optimizer"?
In most
cases, yes. Most control companies (Honeywell, Johnson
Controls, Landis & Gyr, Staefa, Alerton, Andover,
Siemens, CSI, etc.) only start and stop chillers and
do not provide chiller control strategies that improve
the operating efficiency. The Chiller Optimizer"
provides the link between the EMS/BMS and the chiller
to improve efficiency and the Optimizer is controlled
by the EMS. An engineer must verify functions of your
EMS.
In
most cases no! Most chillers are bought from the low
bidder and they do not include energy efficient controls
unless specified. Even OEM microprocessors such as
York's CodePak, Carrier's MP-3200's, Trane's UCP, or
McQuay's MicroTech typically provide only digital
read-outs of temperatures and pressures. In some cases
they do provide a soft-start feature or only 10% of the
Chiller Optimizer" benefits.
Do
I lose cooling capacity or risk guest or tenant
comfort using an Optimizer?
No, the
Optimizer provides maximum cooling when required.
Even if the Optimizer has off-loaded the chiller on
a cool evening and the internal load increases for
instance because of a large banquet in a hotel, the
Optimizer recognizes this change and responds
accordingly.
Absolutely! Especially in New
York City where Con-Ed steam is very expensive and
many highrise buildings in Manhattan have large
absorbers. Savings are huge and paybacks very
attractive. Con-Ed may even offer incentives for
efficiency. Some large buildings also have both an
absorber and a centrifugal chiller. A Chiller
Optimizer" can control and Optimize both
chillers.
No! None of the existing
chiller controls, safeties, or alarms are removed. A
by-pass switch is installed to isolate the Optimizer
and for service or failure the original controls can
be used.
Two ways. The decision of when
to start the second or lag chiller is usually not a
scientific one. It's started at a specific time or
temperature because that's the way it's always been
done or because a staff engineer believes it's time
to start it. For the engineering staff it's better
to have too much cooling than too little even though
it's not the most efficient. The Chiller Optimizer TM
starts the lag chiller only when the load requires
it.
Also,
when the lead chiller is operating at full load and
the lag chiller starts, it too ramps to full load. Now
both chillers are operating at capacity. If this
condition lasts for 15 minutes it's almost certain the
Peak Demand level will be exceeded and depending on
location these Demand charges can remain all month or
all year and can amount to mid to high five digit
figures (dollars).
Under
Chiller Optimizer" control, when the lead chiller
reaches approximately 90% load the Optimizer begins to
soft start the lag chiller. When assured the lag
chiller has started, the Optimizer off-loads the lead
chiller to 45% load and load the lag to 45%. As load
increases each chiller is ramped up in 2% increments.
This strategy prevents the chillers from breaching the
15 minute Peak Demand window.
|
|
|
|