airconditioning system

7/23/2019 airconditioning system

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AIR CONDITIONING

SYSTEMMADE BY –SUBHUTI SONI



Introduction Principles of air-conditionin T!pe of of air-conditionin "oolin c!cle # refrieration c!cle T$e coolant

SUB TOPIC



De%nition - Air conditionin is t$eprocess of alterin t$e propertiesof air 'pri(aril! te(perature and $u

(idit!) to (ore fa*ora+le conditions, T$e control of t$ese conditions (a!+e desira+le to (aintain t$e $ealt$and co(fort of t$e occupants or to(eet t$e re.uire(ents of industrialprocesses irrespecti*e of t$e e/ternalcli(atic conditions

INTRODUCTION



T$e oal is to 0eep it (ore co(forta+le insidet$e $ouse t$an it is outside,

PRINCIPLES OF AIR-CONDITIONING



1) 2indo3 air-conditionin s!ste(

4) Split air-conditionin s!ste(

5) "entralised air-conditionin s!ste(

6) Pac0ae air-conditionin s!ste(

TYPE OF AIR-CONDITIONING



2indo3 air conditioners are one of t$e (ostco((onl! used and c$eapest t!pe of airconditioners,

To install one of t$ese units !ou need t$e spaceto (a0e a slot in t$e 3all and t$ere s$ould also+e so(e open space +e$ind t$e 3all,

2indo3 air-conditioner units are relia+le andsi(ple-to-install solution to 0eep a roo( cool3$ile a*oidin t$e costl! construction of a central

air s!ste(, Better !et 3$en t$e su((er $eat dies do3nt$ese units can +e easil! re(o*ed for storaeand !ou can use t$e 3indo3 sill for ot$er purpose

1) Windows Air-condiionin!S"s#$





T$e split air conditioner co(prises of t3o parts7t$e outdoor unit and t$e indoor unit, T$e outdoor unit %tted outside t$e roo($ouses co(ponents li0e t$e co(pressor

condenser and e/pansion *al*e, T$e indoor unit co(prises t$e e*aporator orcoolin coil and t$e coolin fan, 8or t$is unit!ou don9t $a*e to (a0e an! slot in t$e 3all of

t$e roo(, 8urt$er t$e present da! split units $a*eaest$etic loo0s and add to t$e +eaut! of t$eroo(, T$e split air conditioner can +e used tocool one or t3o roo(s

%) S&'i Air-Condiionin! S"s#$





T$e central air conditionin plants or t$es!ste(s are used 3$en lare +uildins$otels t$eaters airports s$oppin (alls etc,are to +e air conditioned co(pletel!,

T$e 3indo3 and split air conditioners areused for sinle roo(s or s(all o:ce spaces, If t$e 3$ole +uildin is to +e cooled it is not

econo(icall! *ia+le to put 3indo3 or split air

conditioner in eac$ and e*er! roo(, 8urt$er t$ese s(all units cannot satisfactoril!

cool t$e lare $alls auditoriu(s receptionsareas etc,

() C#nr'is#d Air-Condiionin!S"s#$





T$e 3indo3 and split air conditioners are usuall!used for t$e s(all air conditionin capacities up to; tons,

T$e central air conditionin s!ste(s are used for3$ere t$e coolin loads e/tend +e!ond 4< tons,

T$e pac0aed air conditioners are used for t$ecoolin capacities in +et3een t$ese t3o e/tre(es,

T$e pac0aed air conditioners are a*aila+le in t$e%/ed rated capacities of 5; = 1< and 1; tons,

T$ese units are used co((onl! in places li0erestaurants telep$one e/c$anes $o(es s(all$alls etc,

*) Pc+!#d Air-Condiionin!S"s#$





N#w In,#n#d T#cno'o!".or Air-Condiionin! S"s#$

DISTRICTCOOLINGSYSTEM

C/ILLED BEAMSYSTEM



District "oolin S!ste(s 'D"S) is as!ste( 3$ic$ distri+ute c$illed 3ateror ot$er (edia usuall! pro*ided

fro( a dedicated coolin plant to(ultiple +uildins for air conditionin

or ot$er uses,

Disric Coo'in! S"s#$



T$e O+>ecti*es 7 To centrali?ed productionof c$illed 3ater +! usin

district coolin plant, T$eenerated c$illed 3ater3ill t$en +e c$anneled to*arious +uildin +loc0s

t$ru pre-insulatedsea(less underroundpipes,




T$e Ad*antaes1, I(pro*e ener!

e:cienc!

4,

Protect en*iron(ent5, Sa*e spaces

6, I(pro*e ur+an *ie3

;, @educe (anpo3er foroperation and(aintenance




Ho3 T$e S!ste( 2or0 D" (eans t$e centrali?ed production and distri+utionof coolin ener!, Chilled water is deli*ered *ia an

underground insulated pipeline to o:ce industrialand residential +uildins to cool t$e indoor air of t$e

+uildins 3it$in a district, Speciall! desined units ineac$ +uildin t$en use t$is 3ater to lo3er t$ete(perature of air passin t$rou$ t$e +uildins A"S,

T$e output of one cooling plant is enough to (eet t$e

coolin-ener! de(and of do?ens of +uildins, D"can +e run on electricit! or natural as and can use

eit$er reular 3ater or sea3ater, Alon 3it$electricit! and 3ater D" constitute a ne3 for( ofener! ser*ice,




2$! It Is En*iron(ental 8riendl! District coolin $elps t$een*iron(ent +! increasin ener!e:cienc! and reducinen*iron(ental e(issions includinair pollution t$e reen$ouse as'H) car+on dio/ide'"O4) ando?one-destro!in refrierants,District coolin can reduce annual

"O4e(issions +! a+out 1 ton fore*er! ton of district coolinrefrieration de(and ser*ed




DCS N#wor+ Di!r$



DCS N#wor+ Di!r$



DCS- APPLICATION IN MALAYSIA

PUT@ACAYAUAA UMPU@INTE@NATIONA AI@PO@T

BANSA@UM



"entral "$iller Plant – enerate c$illed3ater for coolin purposes

Distri+ution Net3or0 – distri+ute c$illed3ater to +uildin

User Station – interface o3n +uildin air-conditionin circuit

DCS - COMPONENTS



It is a t!pe of con*ection HFA" s!ste( desined to$eat or cooled $i$ rise +uildin suc$ as co((ercial+uildin,

It9s pri(aril! i*es oG its coolin eGect t$rou$con*ection +! usin 3ater to re(o*e $eat fro( a

roo(, Pipes of 3ater passed t$rou$ t$e +ea( suspended

s$ort distance fro( t$e ceilin of a roo(, As t$e +ea( c$ills t$e air around it t$e air +eco(es

denser and falls to t$e oor, It is replaced +! 3ar(er air (o*in up fro( +elo3

causin a constant oe of con*ection and coolint$e roo(,

C/ILLED BEAM SYSTEM





Si(ple to desin and control S(aller duct3or0 ess (ec$anical space

ess (aintenance Increase co(fort

AD0ANTAGES



Not 3ell 0no3n in ourindustr!

Man! enineers aren9tfa(iliar 3it$ t$is tec$nolo!

De3 point concerns+uildin (ust $a*e a oodcontrol of $u(idit! topre*ent condensation on

c$illed +ea( surface, Hi$er construction cost

disd,n!#s



INITION a c!cle t$at s$o3s $o3 t$e refrierant *apor is i

disc$ared +! t$e co(pressor to t$e condenser,



Co$&r#ssor-In$alin t$erefrierant fro( t$esuction c$annel- "o(pressin to t$edisc$are c$annel,

Hot refrierant *apor

and $i$ pressure

nd#ns#r(o*e $eat fro( condenser

frierant *apor turn to li.uid,

Hot refrierant *aporand $i$ pressure

E2&nsion 0',#-o3 t$e te(perature and pressure of li.uid-"ontrol t$e o3 rate in-

to t$e e*aporator,

"old refrierant *aporand lo3 pressure

E,&oror-i.uid turns to *apor-"old air o3s out roo(

"old refrierant *aporand lo3 pressure





COMPRESSOR

CONDENSER

E0APORATOR

E3PANSION 0AL0E



Heat is re(o*ed fro( t$e coolin +!coolant,

8unctions as a $eat a+sor+er fro( t$ee*aporator

ood coolant (ust $a*e features

1, Non to/ic

4, Not e/plosi*e

5, Non-corrosi*e co(ponents

T/E COOLANT



Not e/plosi*e Solu+le in oil to lu+ricate eGecti*el! Har(less 3$en respondin to oil e*en in t$e

presence of (oisture Ha*e a $i$ resistance to electricit!,

T/E COOLANT



T"&# o. coo'n

@-44MONOO@ODI8UO@OMETANA

@-14DIO@ODI8UO@OMETANA

@-11 T@IO@OMONO8U@OMETANA

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airconditioning system