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8/9/2019 Air Handling 02
1/20
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
8/9/2019 Air Handling 02
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Module 3, Part 2: Components Slide 2 of 20 WHO - EDM
Air Handling Systems
Purpose of an air handling system
Air Handling
System
Production RoomWith
DefinedRequirements
SupplyAir
OutletAir
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Module 3, Part 2: Components Slide 3 of 20 WHO - EDM
Air Handling Systems
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
Air Handling Systems
+
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
Air Handling Systems
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$circulated air
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Module 3, Part 2: Components Slide " of 20 WHO - EDM
Air Handling Systems
Weather louvre
ilencer
!low ratecontroller
"ontrol damper
#o prevent insects, leaves, dirtand rain from entering
#o reduce noise caused by aircirculation$utomated ad%ustment ofvolume of air &night and day,pressure control'!i(ed ad%ustment of volume of air
Components($)
8/9/2019 Air Handling 02
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Module 3, Part 2: Components Slide # of 20 WHO - EDM
Air Handling Systems
)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)
8/9/2019 Air Handling 02
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Module 3, Part 2: Components Slide $ of 20 WHO - EDM
Air Handling Systems
!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
Air Handling Systems
#
Production Room
Exhaustair
"eturn air (re-circulated
Fresh air (make-up air
Supplyair
Air types
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Module 3, Part 2: Components Slide 10 of 20 WHO - EDM
Air Handling Systems
!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
8/9/2019 Air Handling 02
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Module 3, Part 2: Components Slide 11 of 20 WHO - EDM
Air Handling Systems
!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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Module 3, Part 2: Components Slide 12 of 20 WHO - EDM
Air Handling Systems
!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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8/9/2019 Air Handling 02
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Module 3, Part 2: Components Slide 1 of 20 WHO - EDM
Air Handling Systems
Humidi&er Silen er Heatingandooling units
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Module 3, Part 2: Components Slide 1! of 20 WHO - EDM
Air Handling Systems
"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
$ir handling unit
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Module 3, Part 2: Components Slide 1" of 20 WHO - EDM
Air Handling Systems
wirl #ype air di usors withterminal +lters
1 !ilter2 #ightening frame3 4egister outlet5 crew +(ation forregister
%
*
&-
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Module 3, Part 2: Components Slide 1# of 20 WHO - EDM
Air Handling Systems
6ow inductionswirl di usor&preferred'
)igh inductiono7ce type di usor
&avoid'
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Module 3, Part 2: Components Slide 1$ of 20 WHO - EDM
Air Handling Systems
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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Module 3, Part 2: Components Slide 20 of 20 WHO - EDM
Air Handling Systems
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 ( )