air handling 02

8/9/2019 Air Handling 02

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Air Handling Systems

H eating

V entilation andAir Conditioning (HVAC)

Part 2: Components

Supplementary TrainingModules on GMP

Module 3, Part 2: Components Slide 1 of 20 WHO - EDM


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Purpose of an air handling system

Air Handling

System

Production RoomWith

DefinedRequirements

SupplyAir

OutletAir


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Obje ti!es

In the following slides, we will study thecomponents of air handling systems in order to:

1. become familiar with the components

2. know their functions

3. become aware of possible problems


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Module 3, Part 2: Components Slide of 20 WHO - EDM


+

Production Room

Exhaust air treatment

Central air handling unit

Terminal air treatmentat production room level

Fresh air treatment (make-up air

"ain subsystems


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Module 3, Part 2: Components Slide ! of 20 WHO - EDM


Filter Silencer

Terminal filter

Weather louvre Control damper

FanFlow rate controller

Humidifier

Heatingcoil

Cooling coil

with dropletseparator

!roduction "oom

O!er!ie# omponents

+

Prefilter

E haust !ir "rille

Heater

Secondar# Filter

Re$circulated air


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Module 3, Part 2: Components Slide " of 20 WHO - EDM


Weather louvre

ilencer

!low ratecontroller

"ontrol damper

#o prevent insects, leaves, dirtand rain from entering

#o reduce noise caused by aircirculation$utomated ad%ustment ofvolume of air &night and day,pressure control'!i(ed ad%ustment of volume of air

Components($)


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Module 3, Part 2: Components Slide # of 20 WHO - EDM


)eating unit

"ooling unit*dehumidi+er

)umidi+er

!ilters

ucts

#o heat the air to the proper temperature

#o cool the air to the re-uired temperatureor to remove moisture from the air

#o bring the air to the proper humidity, iftoo low

#o eliminate particles of pre determineddimensions and*or micro organisms

#o transport the air

Components(2)


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Module 3, Part 2: Components Slide $ of 20 WHO - EDM


!low ratecontroller

"ontrol damper

)umidi+er

"ooling battery

!ilters

ucts

/locked

0oorly ad%usted, bad pressure di erential system

/ad water*steam -uality*poor drainage

o elimination of condensed water*poordrainage

Incorrect retention rate*damaged*badly installed

Inappropriate material*internal insulatorleaking

Problems #ith omponents


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Module 3, Part 2: Components Slide % of 20 WHO - EDM


#

Production Room

Exhaustair

"eturn air (re-circulated

Fresh air (make-up air

Supplyair

Air types


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!articles $ m %

&' )m

*S +&,non-

metric

*S +&,E.,,+

metric

EC c/0!Annex 1

.,,2

/ermany3 1 +&4%

.,,&

*56S +,

.,4,

7apan71S 6 ,,+&

.,4,

1SO .8988-.

%&'( ) * *%) + %&( % + %,( % & &

%)) + *&(& %) + *,( * - -

%,))) + &&,(&) %)) + &,( !' .

!/ unidirectional./ tur0ulent

& E or F ( (

%),))) + -&(,&)) %,))) + -,( - " or H 1 1

%)),))) + (

&(&,))) %),))) + (,( C ( 2 3 3%,))),))) + 1&,(&),))) %)),))) + 1,( D 1 4 5 5

%),))),))) + 3

Comparing %nternational Cleanroom

Classi& ations


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!ilter classes Dust filters

Standard !erosol

FineCoarse 67P!HEP!

%) 8 m 9 Dp 9 % 8 mDp 9 %) 8 m Dp : % 8 m

F( $ F;"% $ "- 6 %-$ %3H %% $ %&

E< %5** StandardE< 33; Standard


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!verage Efficienc#=ntegral >alue

Pea? !rrestance7ocal >alue

Retention in

@

Penetration Efficienc# Penetration

F; 5( ),%(

H%% ;( ),)(

H%* ;;,( ( %) $& ;3,( *( %) $&

H%& ;;,;( ( %) $- ;;,3( *( %) $-

6%- ;;,;;( ( %) $( ;;,;3( *( %) $(

Classification of filters according to their efficienc#


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Humidi&er Silen er Heatingandooling units


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Module 3, Part 2: Components Slide 1! of 20 WHO - EDM


"ontrol damper for air ow

e humidi+cation

Filter Pressure"auges

!H6 with fan >aria0leSpeed Controller

Humid room air

!ir heater

Regeneration air

Humid room air !dsor0er wheel Dr# air

$ir handling unit


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Module 3, Part 2: Components Slide 1" of 20 WHO - EDM


wirl #ype air di usors withterminal +lters

1 !ilter2 #ightening frame3 4egister outlet5 crew +(ation forregister

%

*

&-


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Module 3, Part 2: Components Slide 1# of 20 WHO - EDM


6ow inductionswirl di usor&preferred'

)igh inductiono7ce type di usor

&avoid'


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Module 3, Part 2: Components Slide 1$ of 20 WHO - EDM


Annex 1, 17.26

'egulation of room pressure pressure

di erentials on ept

Room pressuregauges

Room pressure indication panel


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Module 3, Part 2: Components Slide 1% of 20 WHO - EDM

Air Handling SystemsPressure as ade inje tables

0 rote tion from mi ro*organisms and parti les

2 o t e : , i r e c t i o n o f d o o r o p e n i n g r e l a t i v e to r o o m p r e s s u r e

1 8 0 a

9 0 a& ir

' o ( )3 9 0 a P a s s a * e,

"

$

/

, ' +

& ir ' o ( )& ir ' o ( )

5 8 0 a

, o o m 3, o o m 2, o o m 1

5 8 0 a: 9 0 a3 9 0 a

Annex 1, 17.24, 17.25


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Pressure as ade solidsProte tion from ross* ontamination

2 o t e : , i r e c ti o n o f d o o r o p e n i n g r e l a ti v e t o r o o m p r e s s u r e

1 8 0 a

1 8 0 a1 8 0 a

;3 9 0 a

P a s s a * e9 0 a

& ir' o ( )

, o o m 3, o o m 2, o o m 1

1 8 0 a

& ir ' o ( )& ir ' o ( )

air handling 02

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