zdot data center cooling

7/31/2019 Zdot Data Center Cooling

1/4

1

Darshi

Dhaliw

al

2

0

1

1

ZdoT

D

ata

CenterAircon

ditioner

Toro Cooling System s have developed a com plete r ange of LOpexSensible Cooling solutions.Latest addition is ZdoT , an ener gy efficient sensible cooling Unitfor free cooling of data centers, which can rem ove large amount ofsensible heat from high power ser vers using a combination ofIndirect Adiabatic Cooling Pr ocess and integr ated compr essionrefrigeration.The process saves mor e than 5 0 to 7 0 % % energy on annualizedbasis, depending on the geographical location of the data cen ter .

Team LOpexTORO COOLING SYSTEM S PVT. LTD

+ 9 1 9 1 5 8 0 0 9 4 8 4+ 9 1 2 1 1 4 2 3 2 1 5 9


2/4

2

DATA CENTER COOLIN G

Problem:

Ener gy costs in India ar e cons tant ly r ising and

power gr ids ar e already pushed to the limitsAt t he sam e time, energy consum ption of ICT

facil it ies / data centers is increasing at a

prodigious rat e due to geomet ric r ise in

computing. Cooling energy costs in most cases

exceed 6 0 % of total energy used.

Some of the old data cent r es still use m ixed

flow ventilation and have very poor equipm ent

layouts.

M any a tim e, adhoc CRAC additions and

positioning is resor ted to address the hot spot

pr oblems . Litt le or No att ention is paid to

energy efficiency.

Although, globally, Hot aisle/ Cold aisle concept

is now considered one of the essential low

hanging fruit type of techn ique to contr ol

energy wastage but this practice is still not very

will recognised in India

As Dat a cent er cooling plays a significant r ole

in planning, owning and operat ing data center ,m any data centers have started paying

attention to energy use at their facilities.

Now building codes will also put pres sur e on

thes e facilities to reduc e the ener gy use by

adopting more energy efficient technology.

Simple Solution :

Heat Load:

As th e conventional refr igeration bas ed, off the

shelf equipm ent is not s uitable for t his

application h ence t he CRACs (r ead sensiblecooling machines) were introduced for

removing sensible heat from these buildings.

CRACSs are designed to pr imar ily r em ove

sensible heat loads and hence will not

dehum idify the air.

In pr actice it is extr em ely difficult, energy

intensive and expensive solution.

Toro c ooling System s is intr oducing LOpex

ZdoT air con ditioner, the advanced Indirec tAdiabatic Cooling system based on sensible

cooling t echnology.

LOpex ZdoT air conditioners meet new

ASHRAE guide lines for sensible cooling of data

center s at th e lowest oper ating cost while

reducing green house gas emissions and use

of chemical refr igerant s.

LOpex ZdoT air conditioners nor m ally work in

indirect adiabatic cooling mode but are also

fitted with r efrigerat ive back up for t hose

humid days when ambient air does not provide

adequate c apacity as a h eat sink.The cooling

pr ocess offers fail safe option for cont inuous

heat rem oval besides ensur ing annualized

energy savings exceeding 5 0 to 7 0 % also .

Sensible Cooling option for Data centers & ICT facilities


3/4

3

Principle:LOpex ZdoT is based o n the benefi t s of

evaporat ive Refr igera t ion w i thout the

disadvantages of adding any m oisture to t heretu rn or supply a ir .

Sensib le coo l ing o f the ho t re tu rn a i r f rom the

data center t akes place at th e Tw in Polymer

p la te heat exchanger w ork ing in tandem .

The return a ir is cooled by t he adiabatical ly

cooled outside air . This out side air does not

com e in d irect cont act the recirculat ing air as

can be seen in th e f igure above.

Further

cool ing i f

desired can

be achieved

using a

chil led

wa te r o r DX

coil. This

pre cooled

air can also

be rou ted

t o t h e

exist ing

CRACs. U se

of th ese

unit s can

n o w b e

contro l led

to a f te r

coolin g, as

and when requ i red .

Lopex ZdoT air condi t ioners use a d edicated

m icroprocessor based contr o l system s for

unint rupp ted, effect ive and precise process

contro l and energy e f f icien t opera t ion .

Benefits1 . Lowest Operating Cost2 . Usage of Free Cooling3 . Lowest back up Power4 . Lowest m aintenance cost5 . No Chemical refr igerant used6 . Lowest carbon foot print7 . Year r ound uninter rupted operation

W eather it is Data center or any other high sensible heat factor (SHF)

applicat ion, LOpex offers most energy efficient and eco fr iendly solutions.


4/4

4

Compat ibility with raised floorsLOpex ZdoT air condi t ioners are com patib le

w ith Raised f loors and Isle isolat ion

Raised f loo rs reduce the op erat ing cost of HVAC

system s by l imi t ing the supply of cold a ir to t he

m axim um he igh t o f t he rack. Iso la t ion o f co ld

isle and hot is le ensures opt im um use of th is

expensive resource.

Gradual ly, because of t he poo r avai labi l i ty of

e lectr ical energy and constantly r is ing energy

costs Isle isolation i s bein g accept ed in t he

Indian data centre in sta l lat ion s.

Product profile

Capaci ty 25-100 kW out put Low connected load

M otor ised Backward curve fans

Int egral VFD and Plc Cont rol Suit able fo r use in high SHF buil dings

such as Data centers, Sw itch r oom s,

industr ia l process contro l room s and

m ission crit ical facil i t i es.

Variants avai lable for Indirect Directevaporat ive cool ing aided by integrated

chil ler

Nom inal a ir ou tpu t fo r Return / supp lya i r f rom 7500 M 3/ Hr onw ar ds

Construct ion op t ionsGI pow der coated or sta in less steel

Low est w ater use Can use STP/ Bore w el l w ater for

cool ing

Un it capacity 7000 CFM

Supply a ir tem peratur e 20-23C

T over the servers 12 C

M oving parts Fans and pum ps

Avg. Cool ing capacity 25 KW

M ax Inpu t power 5 KW e

Supply air t emper at ure will always remain sta ble, duet o dependence of the heat sink on fixed ADP. Even if

t he ambient condit ions reach 45 C and humidity

rea ches satur at ion, the supply air conditions rema in

stable

LOpex ZdoT air condit ioners- Best answer for Dat a Center Cooling

zdot data center cooling

Documents