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1. District Cooling SystemDistrict Cooling System
Brought to you byBrought to you by
COOLRICH ENGINEERING (M) SDN BHDCOOLRICH ENGINEERING (M) SDN BHD
www.coolrich.comwww.coolrich.com

2. Introduction onIntroduction on District Cooling SystemDistrict Cooling System
District cooling indicates the centralDistrict cooling indicates the central
manufacturing and distribution of coolingmanufacturing and distribution of cooling
energy. Chilled water is provided by means ofenergy. Chilled water is provided by means of
an underground insulated pipeline to office,an underground insulated pipeline to office,
commercial as well as household structures tocommercial as well as household structures to
cool down the interior air of the buildings withincool down the interior air of the buildings within
a district. Specifically designed devices in eacha district. Specifically designed devices in each
structure after that utilize this water tostructure after that utilize this water to
decrease the temperature level of air goingdecrease the temperature level of air going
through the building's cooling system.through the building's cooling system.

3. How doesHow does
it workit work
District cooling systems, are includedDistrict cooling systems, are included
collective tools to produce and distributecollective tools to produce and distribute
chilled water. Chilled water is produced bychilled water. Chilled water is produced by
production plants as well as dispersed byproduction plants as well as dispersed by
water pipes (the distribution network) towater pipes (the distribution network) to
structures furnished with energy transitionstructures furnished with energy transition
terminals (sub-stations). The cooled waterterminals (sub-stations). The cooled water
after that provides a few of its coolingafter that provides a few of its cooling
properties to the structure's replacements.properties to the structure's replacements.

4. How doesHow does
it workit work
A cooling system operates in closed-A cooling system operates in closed-
circuit as well as constantly includes atcircuit as well as constantly includes at
least 2 water pipes; one of which carriesleast 2 water pipes; one of which carries
the chilled water to the end-user, as wellthe chilled water to the end-user, as well
as the various other which brings it backas the various other which brings it back
towards the production plant.towards the production plant.
The district cooling systems consequentlyThe district cooling systems consequently
include a three key of essential elements:include a three key of essential elements:
the production plants, the circulationthe production plants, the circulation
network as well as the energy transfernetwork as well as the energy transfer
terminals.terminals.

5. How doesHow does
it workit work
District cooling is based on chilled waterDistrict cooling is based on chilled water
being distributed in a network ofbeing distributed in a network of
pipelines in the exact same basic wayspipelines in the exact same basic ways
as district heating. The modernas district heating. The modern
technology itself is basic. You cooltechnology itself is basic. You cool
water in an area and after that feed it viawater in an area and after that feed it via
a network of water pipes to homes,a network of water pipes to homes,
offices, hospitals, market and also otheroffices, hospitals, market and also other
environments in need of cooling. Theenvironments in need of cooling. The
chilly water pumped around the districtchilly water pumped around the district
cooling network is used to cool the aircooling network is used to cool the air
circulating in the properties' ventilationcirculating in the properties' ventilation
systems. The same water is then fedsystems. The same water is then fed
back to the manufacturing plant to beback to the manufacturing plant to be
cooled down once again.cooled down once again.

6. How doesHow does
it workit work
The temperature of the water fed to commercialThe temperature of the water fed to commercial
properties is around 6 degrees, while the returnproperties is around 6 degrees, while the return
water remains in extra of 16 degrees. The returnwater remains in extra of 16 degrees. The return
water is heated up as long as feasible whilewater is heated up as long as feasible while
facilities and processes are being cooled.facilities and processes are being cooled.
At the property, a heat exchanger is often used toAt the property, a heat exchanger is often used to
connect to the structure's cooling system.connect to the structure's cooling system.
Adjustment to an existing system needs simplyAdjustment to an existing system needs simply
minor changes.minor changes.

7. BenefitsBenefits
 -Depend on 40 percent much more reliable, as bigger-Depend on 40 percent much more reliable, as bigger
systems are significantly a lot more energy-efficient thansystems are significantly a lot more energy-efficient than
small, individual units.small, individual units.
 -Require much lower capital expenses, as they eliminate-Require much lower capital expenses, as they eliminate
the demand for chillers, cooling towers, pumps as well asthe demand for chillers, cooling towers, pumps as well as
various other individual systems.various other individual systems.

8. BenefitsBenefits
 -Have lower operating costs, as energy experts manage-Have lower operating costs, as energy experts manage
them all the time, maintaining prices low with fuel andthem all the time, maintaining prices low with fuel and
also energy diversityalso energy diversity
 -Save building space that could be used for better-Save building space that could be used for better
functions (such as rental revenue).functions (such as rental revenue).
 -Eliminate noise and vibration caused by cooling or-Eliminate noise and vibration caused by cooling or
heating equipmentheating equipment

9. BenefitsBenefits
 -Are eco-friendly, as they use approximately 40 percent-Are eco-friendly, as they use approximately 40 percent
less electrical power compared to traditional cooling orless electrical power compared to traditional cooling or
heating system. District cooling systems also capture theheating system. District cooling systems also capture the
majority of the heat energy created in power productionmajority of the heat energy created in power production
and also use it to generate steam as well as hot and alsoand also use it to generate steam as well as hot and also
chilled water (cogeneration).chilled water (cogeneration).

10. BenefitsBenefits -Provide a higher level of reliability,-Provide a higher level of reliability,
as they are developed with enoughas they are developed with enough
capacity to guarantee power iscapacity to guarantee power is
always readily available at the mainalways readily available at the main
plant.plant.
Circulation systems are typicallyCirculation systems are typically
made with multiple loopholes ormade with multiple loopholes or
various other backup to givevarious other backup to give
additional distribution reliability.additional distribution reliability.

11. BenefitsBenefits
 -Have less surprises-financial-Have less surprises-financial
requirements are foreseeable, andrequirements are foreseeable, and
you only spend for the energy youyou only spend for the energy you
use.use.
 -Enable a better level of flexibility,-Enable a better level of flexibility,
as building demands can rise oras building demands can rise or
down without the need to changedown without the need to change
the main plant's capacitythe main plant's capacity

12. ConclusionConclusion
 The District Cooling System (DCS) has a lot ofThe District Cooling System (DCS) has a lot of
advantages to the society. It contributes seriously toadvantages to the society. It contributes seriously to
maintain the ecological and also the energeticmaintain the ecological and also the energetic
influence as a result of the property development ofinfluence as a result of the property development of
cities and also dense city locations.cities and also dense city locations.
 The projection done on DCS consumer, representing ofThe projection done on DCS consumer, representing of
cooling requirements, shows a large benefit in favor ofcooling requirements, shows a large benefit in favor of
the DCS on the limitation of electric usage as well asthe DCS on the limitation of electric usage as well as
greenhouse effect contributiongreenhouse effect contribution

13. District Cooling SystemDistrict Cooling System
brought to you bybrought to you by
COOLRICH ENGINEERING (M) SDN BHDCOOLRICH ENGINEERING (M) SDN BHD
www.coolrich.comwww.coolrich.com