hvac design koko

8/13/2019 Hvac Design Koko

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akaydot productions 2007 HVAC DESIGN KOKO

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A i r D e l i v e r y s i d eR e t u r n d u c t s a n d d i u s e l ledmlmlfloon rmnwuaur

fi7C l a s s r o m 1 C l a s s r o m 2 C l a s s r o m 3 a S $ r 0 m v vV 4 V 4A A v v v v vV 4 V 4 V 4 V 4 V 4A A A A A

V AV B o x V AV B o x V AV B o x VAV B o x I I I I '< >''< >'< > '< >' 4 >'


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introductionH V A C D e s i g n P r o c e d u r e s Estimote the s p o c e c o o l i n g requirement E stimote ventilotion requirement| . . .. Q g r t g r r g r r w n d e A fi i l l fi p i y o r r quontry for e o o h Estimote equipment s i z e s s p o c e s i z e s R e v i s e system Ioyout


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Estimote S p o c e C o o l i n g L o o dS i m p l i f i e d m e t h o d f o r d e t e r m i n i n g t h e s p a c eCool ing load C o o l i n g l o a d f a c t o rResidentiol lc fm/s fOfficeS c h o o lA u d . / theoter MOv e n t i l o t i o n l o o d not i n c l u d e dF l o o r a r e a x c o o l i n g l o a d f a c t o r = r e q u i r e d c fm

2 c fm/s f5 c fm/s f5 c fm/s f


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Estimote S p o c e C o o l i n g L o o dE x a m p l eC a l c u l a t e f l o o r a r e aD e t e r m i n e C F M r e q u i r e d( F l o o r a r e a ) x ( 1 . 5 c f m - s c h o o l )

C | a $ $ [ ' ( ) Q | T ] 1 C l a s s r o o m 2 C l a s s r o o m 3 C l a s s r o o m 4 M e c h a n i c a l2 s x 3 o 2 5 x 3 o ' 2 5 X 3 0 2 5 X 3 0 7 5 0 s f 7 5 0 s f 7 5 0 s f 7 5 0 s f1 . 1 2 5 C im 1 . 1 2 5 C f m 1 , 1 2 5 cfm 1 , 1 2 5 cfm


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Estimote \/entilotion L o o dV e n t i l a t io n R e q u i r e m e n t sV e n t i l a t i o n f a c t o rResidentiol 1 0 cfm/ e r s o nOff ice 2 0 cfm/personS h I 1 5 fl a m u s e 1 5 a n l s z r z z i

o d d s to t h e s p o c e c o o l i n g l o o d# o f p e o p l e x v e n t i l a t i o n f a c t o r = r e q u i r e d c fm


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Estmote Ventiloton L o o dC a l c u l a t e v e n t i l a t i o n r e q u i r e m e n t1 5 c fm p e r p e r s o nU s e M E E B t a b l e 5 - 8 ( p a g e 2 2 6 ) t o e s t i m a t e o c c u p a n c y c o u n t .

C | a $ $ [ Q Q m 1 C l a s s r o o m 2 C l a s s r o o m 3 C l a s s r o o m 4 M e c h a n i c a l3 0 e o l e 3 0 I 3 0 | s o |1 5 ( g m 7P' 1 5 g fi f i y p e f fl 1 5 c g s r w p i n 1 5 c i $ r < \ ) 7 ? > ( - i n450 cfm 450 cfm 450 cfm 450 c m


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Estimate T o t o l Supply AirD e t e r m i n e t o t a l s u p p l y a i r t o s p a c eV e n t i l a t i o n + c o o l i n g = t o t a l s u p p ly a i rD e t e r m i n e A H U S u p p ly a i r t o t a lS u m o f s u p p ly a i r t o a l l z o n e s s e r v e d

C l a s s r o o m 1 C l a s s r o o m 2 C l a s s r o o m 3 C l a s s r o o m 44 5 0 C f m 4 5 0 c f m 4 5 0 c f m 4 5 0 c f m1 , 1 2 5 c fm 1 ,125 c f 1 ,125 C f 1 ,125 c f1 . 5 7 5 C f m 1 , 5 7 5 c f 1 , 5 7 5 c f 1 , 5 7 5 c f

1 , 8 0 0 (vent) + 4 , 5 0 0 ( c o o l ) = 6 ,3 0 0 c f m


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V AV box s izesrequired at each zone for temperatureS ee course handoutAIR C- L.-l ' l ' |_ET TO $1-JF'F'l._*r'

/i: i i_|c..': r AND HDCJM I CJLJTLETS_ / 1 /taI L

I |tD A M P E R ' _ ,M O T O R rPr- |Eu, /'. on SYSTEM - r l-EC iPOWERED

. _ _ _ _ ( /

ROUND OHRECTANGULARCCJNDITICIHEDAIR INLET

controlH i g h , medium, or lovv velocity sys tems . Inlet pressurerequired fa to 1 1 : in. W.C. Capac i t v range 2 0 0 to3200 c fm p er box. Box serves a s conver ter from h ighto low velocity air s y s t e m, noise attenuator, and con-trol device bv modulat ing air quantity.

RANGE OF DIMENSIONSC F M H E I G H T LENGTH w|o'r|-|

40 0 B 9 2 4 3 9 1 4 -3 0a o o 1o -11 24 -53 1 8 -42 1 3Dn__4Bn 22-l|l'_41 6 0 0 1 4 '' 2 4 o o re 42 -so 26 -543 2 0 0 1 8 ' 42 -6? 33-54T AB L E F I E P F I I N T E D F R O M AR::Hn'Et:TuREA|_ G R A P H I C 5 - TA H D A R D S


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A i r H a n d l e r U n i t S i z e s 6 ~ 3% C F MSupp l y air to multip le zones R E Q U I R E DS ee course handoutEQUIPMENT ROOM SPACE REQUIREMENTS

GMITIIDIIII INTAKELI INQ Ill f?-i _l-IEITEFIIIIEJDLLIFIl

CFM RANGE

HA P P R O X I M A T E ovEn.u_t_ 5DIMENSION OF 5L. |PPL | RECOMMENDED '1 -=-AIR UNITS | ROOM DIMENSIONSr$III- '

PL.F-IIJILIF\_T[H'AIEIIDIJDI?'I'F r'Fl.ii|_.lH L w H L' l, l] O U I 5&;_gn_ I 5 QTLQM I 1qr_gn 12,:_6|-- 9_|'):|_ _ l 18;--9 I u*'F\-Q--LLI llGCL IND1 , e e 1 - , o o o 5 ' - 0 3 ' - e _ 1 5 ' - o _ _ K _ 1 3 ' - 9 1 e - o 2 0 ' - o = = ~ =3 . 0 0 1 ; 4 . o o o e - 9 4'-5 1 e - o f ; 1 1 ' - e gs-9 3 0 ' - o 3 3 : 1 , ,i? -QMAn gr4 ,DE l 1 - E L D D D 3 - a t ? I 5 Tris 1 6 ' - 9 1 e ' - o e - o 2 0 ' - e ;';;::3::

B , D O 1 LOUD 3 E l+ " - e " 4'-e 1 e ' - a re-e e'-e 22'-21001- 9 , 0 0 0 e-o 5 * - 0 1 e ' - s ts -o 1 o - o 2 2 ' - e M:| _ [KHJUTE , 0 0 1 - 1 Z . U D U ro'-o 5'-e 21'-c 2 3 : - _ o _ 1 _ _ _ _ 1 1 * - _ g ' _ ' _ 2 _ * _ ; o j E 3 - i 3 L ~ F E ' - E 1 2 , 0 0 1 - 1 5 , 0 0 0 l U ' - 3 _ _ _ 5 ' D 22'-U 23'-B ' l 2 6 26'-UTABLE H E F R lH T E D F R O - H A R C - H I T E C T U R E A L GRA|=|- | |c: 5TA|vo\AR|: :5

Room dimensions: 1 8 ' -6 wide 'Q: : | -1 '1122'-3 l o n g $ 3 ; - = 1 -- I I l l i i l t l i l iRETURN AIFI FANl -:1 iii_ 1 _ _ _ DAMPEHH|N'|'.ll(E AIFII-UUVERU N I T . . _. ' . . - - E t ' . . ' 3 t ? uvianariou ccouuu P H E 1 - I E A T \\_1E'DLA.TlO COIL -r* cc.1||_ F -TE

1 - I r . f , I , . , I

A.lTDHhi|.T


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Est imote Equipment S i z e sC a l c u l a t i n g t h e r e f r i g e r a t i o n r e q u i r e dC o n v e r t i n g a i r f l o w q u a n t i t i e s t o t o n s o f c o o l i n g r e q u i r e dCO0|ing ( e s t i m a t e b a s e d o n i n t e r n a l a i r c o n d i t i o n s )4,500 cfm p e r A H Uventilatmn CFM(based o n e x t e r n a l a i r c o n d i t i o n s )

1 ,800 cfm per A H UT o t a l C F M6 , 500 C F l \ / I per A l - I U


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Venti lat ion Sens ib lebased on th e At between cooling coil and outside tempDESIGNO S E H H B L E = I .08 x CF M x AT g g ~ 3 ; j " = * ~

ilBCI Io RH

i fl'':;{-..:1..... .. D29'1 ': . .E r l i t , ,t s fi l l ; 95D ry bulb temperature

Diagram of psvch rom etric


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V entilation Latentbased on th e Aw between cooling coil and outs ide temp

Q W E H , 4,840 x C F M x Aw

a nIl, ,l t l fi { @ 1 1 1 i \ e fltD E S I G NC O N D I T I O NQ 5 FBO % ~ R H?5? '.,-.3.----..29r u t fpE I 5D ry bulb temperatureDiagram of psvchrernetr ic

$ 1 1 1 1 : ;


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Vent i lat ion Total Load

Q S E N S M = r .oe x C F M X A TQ W E N , = 4,840 x C F M x Aw |b _i R ; $ 2 3\it- /2 'DESIGNCONDITION95 FBO % R H-3OTUTAL VENTI LATICIH D nu lg | _ 4 | h 1 : 5 ; |- n pEffltu rg

' Diagram of psvch remet r i c


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E g n t l i m o t e Equipment S i z e sR e f r i g e r a t i o n E q u i p m e n t S i z e sb a s e d o n t h e t o n s o f c o o l i n g r e q u i r e d

1 t o n o f c o o l i n g 4 0 0 c f m1 t o n o f c o o l i n g 1 2 , 0 0 0 B t u / h r

C o n v e r s i o n f r o m c fm t o t o n s( c o o h n g l o a d )4,500 cfm p e r A H U ( 1 of 1 5 units)1 5 A H U ? s in s c h o o l x 4,500 = 67,500 cfmT o t o l for s c h o o l67 ,500 cfm e 400cfm/ton = 1 6 9 tons of c o o l i n g


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Estimote Equipment S i z e sE x a m p l eR e f r i g e r a t i o n E q u i p m e n t S i z e sb a s e d o n tre t o n s o f c o o l i n g r e q u i r e d

1 t o n o f c o o i n g 4 0 0 c fm1 t o n o f c o o i n g 1 2 , 0 0 0 B t u / h rC o n v e r s ' o n f r o m c fm t o t o n s( V e n t i l a t ' o n l o a d )252 , 0 00 Btu/hr per A H U ( 1 of 1 5 units)1 5 AHU?S i n S C | l O O | X 2 5 2 , 0 0 0 = 5 , 7 8 0 , 0 0 0B t u T o t o l for s c h o o l3 ,780 ,000 + 1 2 , 0 0 0 btu/ton = 3 1 5 tons of c o o l i n g


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E x a s r n t l i m o t e Equipment S i z e sR e f r i g e r a t i o n E q u i p m e n t S i z e sb a s e d o n t h e t o n s o f c o o l i n g r e q u i r e d1 t o n o f c o o l i n g 4 0 0 c fm1 t o n o f c o o l i n g 1 2 , 0 0 0 B t u / h rT o t a l C o o l in g R e q u i r e d - 4 8 4 t o n sS p a c e C o o l in g L o a d - 1 6 9 t o n sS p a c e V e n t i l a t i o n L o a d - 3 1 5 t o n s


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. . ,4 Chil ler S ize '84 @ 1 1 5Two chillers are required O F C O O L N 6REQUIRED- reduced off-season loads- repair and maintenance

REFRIGERATION EQUIPMENT ROOM SPACE REQUIREMENTS DIMENSIONSzouieuznt lronsl L 5 v : H EIGH T I T A

5 5 TC IIINIMIJH RDUHHEIGHT

HECIFRDCATIHG MA CH INES ___U p to 50 ID-D 3'-0': E-II5U to IU D I2-D .3 -D E - I I I

Bl -61 I

Q1_UJ I

3 .45 . . 3'-E r 1 1|_D1r; _ : , : _ " , ; : . s - - e - 1 5 1 ' - or.

4 C iL0,. I_ _ _ _ , 3_ J i_ _lEEHTRIFUGAL MIICHIHES heats 2 2 5 _ _ _ _ _ _ 1 1 ; - Q _ e v e 1 1 j ? _ i i _ i ' 5 1B|_Err1?-I5 3 _ _ i 5 _ 1 :? 4 ' s '

I 1 1 ' - G3_6J 3 ' - E 5:_OI I 1 1 ' - E5to 1?_UI Elen ?a_B.|J

50 In 550 _ _ IT-D B-U 5'-U 1 5 ' - 6 ' 5 3_Br 5 3 7 6 5 III s e c ITZU1?J_fl_n 3-E-I 3 * - s s ' - o - H-0E s a u rs o nae 9 ' - c _ to -s

5 r I I F I 05'. . L 2D -UPI 3J_fiI| 3'-s 1 ' - s I 5 ' 1 0..1 IF I501 ; , 1 5 0 0 2 1 t i 15 ' -0 ' 1 1 - D :'r:A|-ii Aaaonrrriufl I I A I I H I H E B 5 5 5 5H P lu 2 0 0 13'-5 _9 -5 11'-9 atb 3_EI _ . _ l _ 3_B| IIEI 15'-Cl2D iD to 45 0 21 -5 9 5 13'9 21_H Qqsrr 3_Br 5 -C I

EH03[0 - 23-_Ba Svan 12_u 23_ol 3|_BI|- 3_B| E_o|I 15r_Uir

5 5 D to T5 0 Zfl-'-D 10-E 13'0 25 ' -s Blei I _ s - - s - B_n | isr_oI|1.la_0|-|- ~4|_on -I7 5 0 t o iooo so -o 2e -5 3-Ei 2 - - e ' Tmuf-I IT.-ENote: Direct-f ired absorpt ion mefliflflfi W e P 0 1 1 9 1 1 1 ? 1 6 Bflmfl S I Z E B B 9 - T e a m flbaerptlflfl reactions. TABLE R E P R I N T E D F R O M Anni-|iTEcTuiaEAi_ G H A | = ' - 1 - i i c : S T A N D A R D S

2 250 TO N CHILLERS


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C h i l l e r R o o m 48 4 T e e s- D imens ions from prev ious table O F C O O L I N G- Room layout with p u m p e H E Q U H Q E Dt gg i * __' mm {ff_ _ _ ~ > < a' *-l -P ' - - . . . _tt___ _ _ I _ PHI'IIlGlFl.A1'I'DH TUBE FULL EPIC-E 2-Dmmmnl _____fiJL GIT I F l 'I IL _ | n |__5._

IL __l L_J _| | : | _ _ | - | - . | _ _ ; | : | E | 5|-|||_|,_g',p \i\r|I,T;|\ |Ii.,.|u|I'fl 1 F1_,|T|,_|i|E 1 {SON DEHIIH METER PI-IIIIFI 1;;

l i b : : -I

Y T ?\\//\J fr\_\ I _ _ _ _ _ J i 5 :5 | - - - _ i. A- L1

_ li'LI1'UIl KFEIEHIITI DHrvuc H I H E _ , , .


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Cooling Tower S izeBased on tons of cool ing requiredC D U N T E R F L D W F-o iaoso i:.iiaAi='ri = A c i - : A c s e : C O O L I N G T O W E R ' T 5A v'AI ._|flELEIN 5lI -IG-LEHIODULEEI A5Ei-I-EETT D H 5 0v| : iaAi . i_ O P E R A T I N G '3 e-Piurron D I M E N S I O N S W E I G H T HOT-DH55-B5-TB f i i v . ' ~ l|.a.I II-IPI DOUHLE IN LET

E D50rs e 1 4 4 s e | 1 2 2 - - i e o o 2 o4 c e ' F g _ '14o': ' j_1e]1a2 1 4 . 0 0 0 _ 1 s o

TABLE R E P R I N T E D F R O M A|=it:i-|n'Ec:11_ii=iEAi_ G R A P H I C 5-TAHDAFID5 EQDLEDV V H L T EFIOUTLET

g L u v i-iT._ 'a s 3 6 rs s s o 2 ,- , _ _ ? 2 L a s B B 1 , nee , v i a M 5 5 5VATEHINLET 5TD EiF-H A H _ _ _ . N O Z Z L E 5 L_.i-i 55Z5:- 5' :1_ . . - - E 5 : 5 - '5_.-- '5; .= - E = = . - = .% I i z i i i I 5 7 5DC-i-iElJ. O F IE I \ - i I I : I - - -r-:1 - END O FEAc';i-r.- rci-El-Ai:i-; 5.. -' '5 .|-I'.T-5I';-td

\\ l " 7 ; 1 . 5 5 . 5 ; 1 5 54 - ' / 5 5+ - I 5'-D TON COOLING TOWERS Aria


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S y s t e m D e s i g nR e v i s e b a s i c l a y o u t a d d i n g e q u i p m e n t s i z e s

A 1 1 D 9 1 1 ) / 9 0 S i d e M e c h a n i c a l R o o meturn uctsan iuse- F r e s h O u t s i d e a i rV il a s s r o o m 1 C l a s s r o o m 2 l a s s r o o m 3 8 8 8 0 0 1 . . . . . . . AHUV A V B o x V A V B o x V A V B o x V A V B o x 5 ~ I ~ ~ I ~ I .- ~ I ~S u p p l y d u c t s a n d d i f f u s e r s C o r r i d o r i i t f r E I % i % ' r f n f n


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R e w e wH V A C D e s i g n P r o c e d u r e s

Estimote the s p o c e c o o l i n g requirement Estimote ventilotion requirement Dt ' l ' t ' f hg n g r r g r i w n d e A s l g l g p y oir q u o n i y o r e o cI Estimote equipment s i z e s s p o c e s i z e s R e v i s e system Ioyout

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