Airhandling Units

AirHandling

Units

CS - SERIES

EG

YP

TIA

NGERMAN AIR TREATM

EN

TC

o.

For Air Conditioning Installationsand Industrial Ventilation Plants

Heating - Low pressure hot water- Medium/High pressure hot water- Saturated steam- Electric- Mains or well water- Recirculated brine- Recirculated chilled water- Direct expansion refrigeration

Air Treatment

Air VolumeFrom 0.39 m3/s (1400 m3/h) to 23m3/sec (83000 m3/h), 21 unit sizes.

HumidificationWater spray type : with single or doublebank water spray nozzles .Choice of once through to waste water orpump recirculated water.

FiltrationMediumEfficiency: Disposable flat or pleated

panel typeWashable flat or pleatedpanel typeBag or rigid cartridge typeAutomatic roll filter

Highefficiency: Standard or rigid bag

filters of various lengthsand dust holding capacity

Absolute Standard or large air volume

Activatedcarbon: Cell or cartridge type

Electric MotorThe electric motor is normally installedinside the fan section, in the air stream.

Total Air Pressure DevelopmentUp to 800 Pa - Forward blade Fan Class IUp to 1000 Pa - Backward blade Fan Class IIAll fans are double inlet type and withbelt drive.

Cooling

GENERAL CHARACTERISTICSSummary of the CS Series range availability

Air IntakeFresh air With inlet rain louvre or

cowl, bird screen ordamper with duct type,damper with counter flange

Air mixing With dampers for returnair and fresh air

Air mixingand exhaust With dampers for exhaust,

return and fresh air

CSseries

TECHNICAL DATA

Temperaturetw’ ˚C Inlet water temperaturetw” ˚C Outlet water temperaturets’ ˚C Inlet air temperature - dry bulbts” ˚C Outlet air temperature - dry bulbtu’ ˚C Inlet air temperature - wet bulbtu” ˚C Outlet air temperature - wet bulbtvs ˚C Saturated steam temperaturete ˚C Evaporating temperature

Pressureps Pa Static pressurepd Pa Dynamic pressurept Pa Total pressurepvs bar Actual saturated steam pressure

EnthalpyJ’ cal/kg Total heat air inletJ’’ cal/kg Total heat air outlet

Humidityx’ g/kg Absolute humidity air inletx’’ g/kg Absolute humidity air outletUR % Relative humidity

Vol./Q.tyV m3 /h Air volume

m3 /s Air volumeVw I/h Water quantity

∆tw ˚C Water temperature difference∆t ˚C Air temperature difference∆pw mH2O Water pressure drop∆p Pa Air pressure drop∆J cal/kg Total heat difference∆x g/kg Absolute humidity difference

Velocitycu m/s Air velocitycw m/s Water velocity

CapacityQ Kcal/h Heating capacityQ KFrig/h Cooling capacity

OthersLpa db Sound levelN kw Power installedn rpm Revolutions speedkw % EfficiencyFbp By-pass factorPD2 kg/m2 Dynamic moment

Note:The unit performances and all section diagrams arereferred to following standard air conditions:- Air temperature + 15 ˚C- Air specific weight 1,225 kg/m3

- Atmospheric pressure 760 mm Hg

AirHandlingUnits

Technical Manual presents basicinformation to select our standard rangeof CS Series Air Handling Units.Our manual is divided into two sections.

Section 1 REFERENCE DATAprovides basic information enabling theunit size to be selected, the modular components to be chosen and thetechnical characteristics and constructionfeatures to be summarised.

Section 2 TECHNICAL DATAprovides technical information in theform of data sheet to enable moredetailed selection to be performed tomeet the precise specificationrequirements.

The unit size selection is madeon the basis of two parameters:

the Air volumethe Coil Face air velocity

Each model is identified by a verysimple nomenclature: for exampleCS-200 corresponds to the airvolume of 20000 m3/h at 2,5m/s coil face velocity.

The Selection Diagram showsthe possibility of achieving smalleror greater air volumes for thesame unit by varying the coil facevelocity.

This enables selection to beopt imised in terms of cost ,dimensions, noise criteria, power,etc.

SELECTION DIAGRAM

AIR

VO

LUM

E (x

103)

m3/h

UN

IT S

IZE

CS

100

50

40

30

25

20

15

10

5

4

3

2

12 2,5 3 3,5

680

550

450

370

300

250

200

165

135

110

90

73

60

49

40

32

26

21

17

14

830

AIR VELOCITY (m/s)

UNIT SECTIONS

General description of unit casing

Complete with up to 3 dampers to providemixing control of fresh, recirculated and exhaustair streams.The dampers are available in:

- Extruded aluminium profile blade- Extruded aluminium with tight shut off edge seal

Complete with :- Opposed blades- Shaft- Hand operation levers- Extension for connection of actuator motor or piston

The damper blades are gear wheel driven .

Air mixing box

On request the CS series can be equipped with:- Bulkhead lights with or without external switch- Filter manometers .The unit support is provided by :- Strong steel profiles with holes for unit lifting.- Drain pan with sandwich panel insulation.All units can be easily supplied in separate dividedsections or completely knocked down fortransport, site, space or erection requirements.

The casing of the CS series Air Handling Unitsis composed of :

Self supporting frame in extruded aluminiumprofiles anodised natural colour assembled bycorners to give accurate alignment and easilycleaneable corrosion resistant structure.Sandwich type double skin panels 23 mmthickness with internal thermal insulation ofspecial high density acoustic insulation.The external and internal sheet metal faces ofthe panel can be selected from:- Galvanized sheet steel 0.6 mm thick .- Plastic coated galvanized sheet steel 0.6 mm thick .- External and internal faces can be of different materials.

- Galvanized screws inserted in nylon sleeves areused to fix the panel to the frame and airtightness is assured by an exclusive rubber sealunder the panel.

- Inspection and access doors constructed ofsandwich panels as described above fixed to thecasing frame by air tightening hinges andclosed with nylon handles of design with aprogressive threaded closing device.Mechanically secured exclusive rubber doorseal ensures air tightness .

UNIT SECTIONS

Filter sectionSee our separate Filter catalogue

Air treatment section

The heating and cooling coils for the treatment ofthe air are housed in section and are of finnedblock type, having the following standardcharacteristics:- Copper tube and aluminium fins .- Tube pitch 60 and 30 mm .- Rows pitch 30 mm .- Fins pitch 2.0, 2.5, and 3.0 mm.- (4 and 6 mm for special application).- Tube diameter 5/8”.- Coil framework galvanised sheet steel.- Connections - threaded.- Electric heaters with multi-stage sheathed.

elements with plain surface or extended fin surface dependent on duty.

Fan section

Forward blade and backward blade fans .The fans are always of belt drive, double inlettype, manufactured in galvanized steel sheet, withsteel shaft and ball bearings.

The fan drive is effected through belts oftrapezoidal shape.The motor pulley is made from aluminium or castiron .Fixed and variable pulleys are available .

The complete fan motor assembly will bemounted on a base constructed of extrudedaluminium profiles and mounted on vibrationisolators .Standard vibration isolators are of rubber, withspring type available on request.

The anti-vibration connection mounted betweenthe fan outlet and the casing is made of analuminium profile frame with self-extinguishingcloth.

The foregoing characteristics apply also to thereturn air and exhaust air fan sections.The units with twin fans operating in parallel areequipped with non-return dampers to prevent airre-circulation in the case of one fan not running.

Accessories

We provide as accessories the optional andcomplementary equipment described as follows:

Sound AttenuatorsSee our separate Sound Attenuators catalogue .

Germicidal Lamps SectionThis section is specifically designed for specificapplication requirements.The internal walls are provided with reflectingsurface, manufactured in aluminium, plain orwhite painted finish.The tube shape lamps are installed in therequired number.

Internal Lighting SystemNormally the internal lighting is required for thefilter section, the Humidifier section and the fansection .

UNIT SECTIONS

7 R

8 R

6 R

5 R

4 R

3 R

2 mm

2,5 mm

3 mm

17

14

21

32

26

4049

607390110

135165200250300370450550680830

15 20 25

10

5tu

’ ˚cSelection of coilsWith chilled water coils, the number of rowsnecessary to satisfy the requested coolingcapacity can be immediately determined by thefollowing diagrams, for water 5/10˚C and 7/12˚Crespectively.

WATER COOLING COILS

Selection diagram5/10˚C

The number of rows is found by following thetracing on the diagrams for the example selectionas a function of air inlet conditions, selected unitsize, air velocity through the coil, fins pitch and inrelation to the required cooling capacity.

4

6

8

1012

1416

18 20 u.r. %10090

80

70

60

50

40

40 ts’ ºC2

2,5

30,02

0,05

0,1

0,3

0,5

K Cal/h

1000

500

400

300

200

100

5040

30

20

10

50

40

30

900

500

400

300

200

100

5040

30

20

10

50

40

30

1000

500

400

300

200

100

5040

30

20

10

50

40

30

1000

500

400

300

200

100

5040

30

20

10

50

40

1000

500

400

300

200

100

5040

30

20

10

50

40

1000

500

400

300

200

100

5040

30

20

10

50

403 2,5 22 2,5 3

v. coil Fins pitchm/s mm

3R 4R 5R 6R 7R 8R

m/s

Air

vel

oci

tyco

il b

y-p

ass

fact

or

5

10

15

20

25

30

J - Enthalpy Cal/kg

35

Un

it s

ize

CS

WATER COOLING COILS

Selection diagram 7/12˚C

4

6

8

1012

1416

18 20 u.r. %10090

80

70

60

50

40

40 ts’ ºC 2

2,5

30,02

0,05

0,1

0,3

0,5

K Cal/h

1000

500

400

300

200

100

5040

30

20

10

50

40

30

1000

500

400

300

200

100

5040

30

20

10

50

40

30

1000

500

400

300

200

100

5040

30

20

10

50

40

1000

500

400

300

200

100

5040

30

20

10

50

40

1000

500

400

300

200

100

5040

30

20

10

50

40

1000

500

400

300

200

100

5040

30

20

10

50

403 3,5 22 2,5 3v. coil Fins pitch

m/s mm3R 4R 5R 6R 7R 8R

m/s

Air

vel

oci

tyco

il b

y-p

ass

fact

or

5

10

15

20

25

30

J - Enthalpy Cal/kg

35

Un

it s

ize

CS

7 R

8 R

6 R

5 R

4 R

3 R

2 mm

2,5 mm

3 mm

17

14

21

32

26

4049607390110

135165200250300370450550680830

15 20 25

10

5tu

’ ˚c

FANS

Determination of CS pressure drops

To determine fan characteristics it is absolutelynecessary to calculate the pressure drops,expressed in Pa, of the different sections formingthe unit and to add them to the required externalpressure drop .It will result :

Arrangements for fans

Position of fan outlet for air distribution ducts

Air intake louvresMixing box with air dampersFilter cellsRoll filtersBag filtersSpray humidifierEvaporating package humidifierPreheating coilReheating coilPrecooling coilAfter cooling coilElectric coilOther coilPlenumAbsolute filtersOtherRequired external pressure drop

TOTAL Pa

Dynamic Pressure

Dynamic Pressure and outlet air velocity arecalculated on the full air discharge area includingthat of the cut- off area, and therefore “ducted outlet”conditions. In the case of “free outlet “ the velocitypressure is higher and the new value is obtained bymultiplying the velocity pressure of the “ducted outlet”from the curves, by the correction factor “K” shown inthe table Nr. 2 below.

Ventilatore / Fans

180/200/225

250/280/315/355

400/450/500/560

630/710/800/900/1000

HZ 63

-0.6

-3.7

+2

+5.4

125

-0.2

-3.6

+2.2

+6

250

0

0

+1.3

-0.7

500

-2.7

-1.3

-4.3

-4.4

1000

-5.3

-5.7

-5.6

-4.6

2000

-8.8

-9.6

-7.8

-11.5

4000

-13.5

-13.2

-14.3

-15.4

8000

-17.6

-19.5

-19.1

-22.5

HZ 63

-9

-7.1

-3.2

+2.8

+3.2

+5.5

125

-3.9

-2.2

-1.5

+2.7

+1.7

+1.9

250

-1.2

-1.5

-3

+0.3

+1.3

+1.9

500

-4.7

-8.7

-5.7

-2.1

-3.8

-3.4

1000

-5.6

-4.7

-5.7

-7.1

-6.8

-6.2

2000

-6.6

-8.8

-7.7

7.8

-9.1

-11.3

4000

-9

-9.2

-8.4

-11.3

-13.4

-16.8

8000

-12.8

-13

-13.5

-16.7

-19.9

23.5

Ventilatore / Fans

160/180/200/225

250/280

315/355

400/450/500

560/630/710

800/900/1000

Noise

The noise level shown on each diagram refers to thesound power (”A” filter) and the data on the inlet sidehas been measured in accordance with AMCASTANDARD 300 pict. 2 - configuration“A“. The noise levels of the fans are determined asfollows:- Sound power level-(”A” scale):

Tab. 2ADN = 1.38RDN = 1.6

Lw (A) as catalogue- octive band spectrumLw = Lw (A) + Lw rel. dB (tab. 3- 4)- Sound pressure levela) free fieldLp (A) = Lw (A) - (20log

10 d) -11

b) room conditionsLp (A) = Lw (A) - (20log

10 d) - 7

where d = is a distance of fan

ADNLw (rel)

Correction factor for frequence analysis Tab. 3

RDNLw (rel)

Correction factor for frequence analysis Tab. 4

Forward Blade FanNICOTRA

ADN 160

Ins ta l la t ion t ype : f ree in le t , duc ted ou t le t

Effects of appurtenances in airstream not includedPower rating kw does not include drive Losses

4700

4200

3500

3000

2600

2200

1800

1600

1400

1200

24 31 39 45 49 43 27

32

1.5

1

.8

.6

.4

.3

.2

.15

.1

.05

KW

2500

2000

1000

500

400

300

200

100

80

L w(A) in dB (A)

.05 .1 .2 .3 .4 .5 1 2

.2 .3 .4 .5 1 2 3 4 5

1 5 10 50 100 500 1000

a i r o u t l e t v e l o c i t y

volume

2 3 4 5 10 20 30 40

v e l o c i t y p r e s s u r e

m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

160 mm

95

90

85

80

75

RP

M

RP

M



4000

3500

3000

2700

2400

2100

1800

1600

1400

1200

1000

22 28 36 44 52 47 32

32

1.5

1

.8

.6

.4

.3

.2

.15

.1

.05

KW

2500

2000

1000

500

400

300

200

100

80.05 .1 .2 .3 .4 .5 1 2 3

.2 .3 .4 .5 1 2 3 4 5 10

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

180 mm

ADN 180

Lw(A) in dB (A)

PR

ES

SIO

NE

TO

TAL

E

95

90

85

80

75


RP

M



3800

3200

2900

2600

2300

2000

1800

1600

1400

1200

1000

800

29 35 42 47 52 52 39

1.5

1

.8

.6

.4

.3

.2

.15

.1

KW

3500

3000

2000

1000

500

400

300

200

100

80

90

85

75

.05 .1 . 2 .3 . 4 .5 1 2 4

.2 .3 .4 .5 1 2 3 4 5 10

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

200 mm

ADN 200

80

Lw(A) in dB (A)

95

2

.05

3 4


RP

M



3400

3000

2600

2300

2000

1800

1600

1400

1200

1000

900

800

26 32 38 44 52 55 34

1.5

1

.8

.6

.4

.3

.2

.15

KW

3500

3000

2000

1000

500

400

300

200

100

80

90

85

.05 .1 . 2 .3 . 4 .5 1 2 3 4 5

.3 .5 1 2 3 4 5 10

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

225 mm

ADN 225

80

Lw(A) in dB (A)

95

2

.05

4

.1

3


RP

M



3000

2800

2400

2200

2000

1800

1600

1400

1200

1000

900

800

700

22 30 39 48 56 54 39

1.5

1

.8

.4

.3

.2

KW

3500

3000

2000

1000

500

400

300

200

100

80.08 .2 .3 .4 .5 1 2 3 4 6

.3 .5 1 2 3 4 5 10 20

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

250 mm

ADN 250

2

3

90

4

80

85

.6

.15

.1

Lw(A) in dB (A)

7.55

K

95




RP

M

2700

2500

2100

1800

1600

1400

1200

1000

800

700

600

29 37 44 51 58 59 42

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.1 .2 .3 .4 .5 1 2 3 4 5 8

.5 1 2 3 4 5 10 20

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

280 mm

ADN 280

2

3

90

4

.6

Lw(A) in dB (A)

K

.2

.15

.1

95

7.55.511

80

85




RP

M

2400

2100

1900

1700

1500

1300

1100

1000

900

800

700

600

500

29 36 43 50 57 60 47

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.15 .3 .4 .5 1 2 3 4 5 10

1 2 3 4 5 10 20 30

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

315 mm

ADN 315

2

3

90

4

80

85

.6

K

.2

5.5

.1

8 11

95

Lw (A) in dB (A)




RP

M

2000

1800

1600

1400

1200

1000

900

800

700

600

500

39 46 53 58 62 61 46

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.2 .3 .4 .5 1 2 3 4 5 10 14

1 2 3 4 5 10 20 30 40 50

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

355 mm

ADN 355

2

3

4

.6

K

57.5

.2

1015

Lw (A) in dB (A)

90

85

95




RP

M

1800

1600

1500

1300

1100

1000

900

800

700

600

500

400

34 43 52 61 67 62 46

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.2 .5 1 2 3 4 5 10 16

1 2 3 4 5 10 20 30 40 50

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

400 mm

ADN 400

2

3

4

80

85

.6

K

.2

7. 5

.1

1015

6

Lw (A) in dB (A)

95

90




RP

M

1500

1400

1200

1000

900

800

700

600

500

400

350

38 45 53 60 66 61 47

1.5

1

.8

.4

.3

KW

2500

2000

1000

500

400

300

200

100

80.25 .4 .5 1 2 3 4 5 10 18

1 2 3 4 5 10 20 30 40 50

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

450 mm

ADN 450

2

3

90

4

80

85

.6

K

.2

95

6

Lw (A) in dB (A)

815

11


RP

M



1300

1200

1100

1000

900

800

700

600

500

400

350

40 49 57 64 66 56 39

1.5

1

.8

.4

.3

KW

2500

2000

1000

500

400

300

200

100

80.4 1 2 3 4 5 10 20 25

2 3 4 5 10 20 30 40 50

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

500 mm

ADN 500

2

3

90

4

80

85

.6

K

.2

95

8

6

Lw (A) in dB (A)

1115


RP

M



1300

1200

1100

1000

900

800

700

600

500

450

400

350

300

38 46 55 64 68 60 44

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.5 1 2 3 4 5 10 20 32

2 3 4 5 10 20 30 40 50 100

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

560 mm

ADN 560

2

3

4

.6

K

15

6

Lw (A) in dB (A)

K2

10

8

25 37

18.5

90

80

85

95

100


1100

1000

900

800

700

600

500

450

400

350

300

250

36 46 56 64 68 59 42

1.5

1

.8

.4

KW

3500

3000

2000

1000

500

400

300

200

100

80.6 1 2 3 4 5 10 20 30 45

3 4 5 10 20 30 40 50 100

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

RP

M

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

630 mm

ADN 630



2

3

4

.6

K

15

6

K2

10

8

18. 5

Lw (A) in dB (A)

90

80

85

95

100

30

45


900850

750

700

600

500

450

400

350

300

250

35 44 54 64 69 60 43

1.5

1

.8

KW

2500

2000

1000

500

400

300

200

100

80.8 2 3 4 5 10 20 30 45

5 10 20 30 40 50 100

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

RP

M

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

710 mm

ADN 710



2

3

4

.6

K

15

6

K2

10

8

3045

18.5

90

85

95

100

Lw (A) in dB (A)


800

750

650

600

550

500

450

400

350

300

250

200

38 46 54 63 70 62 44

1.5

1

.8

KW

2500

2000

1000

500

400

300

200

100

801 2 3 4 5 10 20 30 40 55

4 5 10 20 30 40 50 100

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

RP

M

K

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

800 mm

ADN 800



2

3

4

15

6

K2

10

8

.5

22

85

100

80

3045

95

Lw (A) in dB (A)

90


700

650

550

500

450

400

350

300

250

200

170

35 44 53 63 70 66 48

1.5

1

KW

2500

2000

1000

500

400

300

200

100

801 2 3 4 5 10 20 30 40 70

5 10 20 30 40 50 100 200

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40 50


m3/ s

m3/h

m/s

PaN/m2

x1000

GIR

I / m

RP

M

K

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

900 mm

ADN 900



2

3

4

15

6

K2

10

8

.6

20

90

85

95

100

80

30 5040

75

Lw (A) in dB (A)


650

600

550

500

450

400

350

300

250

200

160

29 38 49 61 70 67 51

1.5

1

KW

2500

2000

1000

500

400

300

200

100

801.4 3 4 5 10 20 30 40 50 80

10 20 30 40 50 100 200

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

GIR

I / m

RP

M

K

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

1000 mm

ADN 1000



2

3

4

15

6

K2

10

8

20

30

3750

75

90

85

95

100

Lw (A) in dB (A)


7500

6800

6000

5500

5000

4500

4000

3500

3000

2500

2000

33 46 57 60 54 41 27

1.5

1.8

.6

.4

.3

.2

.15

.1

KW

35003000

2000

1000

500

400

300

200

100

50

30

90

85

75

.05 .1 . 2 .3 . 4 .5 1 2 2 . 6

.2 .3 .4 .5 1 2 3 4 5

1 5 10 50 100 500 1000


volume

1 2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

180 mm

RDN 180

70

65

80

Lw(A) in dB (A)

RP

M



Backward Blade FanNICOTRA

RP

M



7000

6000

5500

5000

4500

4000

3500

3000

2500

2200

42 51 58 62 61 54 43

1.5

1

.8

.6

.4

.3

.2

.15

KW

3500

3000

2000

1000

500

400

300

200

100

80

90

85

75

.1 . 2 .3 . 4 .5 1 2 2 . 6

.4 .5 1 2 3 4 5

2 5 10 50 100 500


volume

2 3 4 5 10 20 30


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

200 mm

RDN 200

70

80

Lw(A) in dB (A)

2

3


RP

M



6300

5800

5000

4500

4000

3500

3000

2600

2300

2000

41 51 59 65 64 54 40

1.5

1

.8

.4

.3

.2

KW

3500

3000

2000

1000

500

400

300

200

100

80

95

.14 .2 .3 .4 .5 1 2 3 4

.6 1 2 3 4 5 10

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

225 mm

RDN 225

Lw(A) in dB (A)

2

3

90

4

75

80

85



RP

M

5400

4600

4000

3600

3200

2800

2400

2000

36 48 60 68 67 56 42

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.16 .2 .3 .4 .5 1 2 3 4 5

.6 1 2 3 4 5 10

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

250 mm

RDN 250



2

3

90

4

80

85

.6

Lw(A) in dB (A)

K

75



RP

M

4700

4300

4000

3600

3200

2800

2400

2000

1800

1600

1400

45 56 65 70 68 59 47

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.2 .3 .4 .5 1 2 3 4 5

1 2 3 4 5 10

2 5 10 50 100 500


volume

2 3 4 5 10 20 30


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

280 mm

RDN 280

2

3

90

4

.6

Lw(A) in dB (A)

K

.2

95

5.5

70

80

85

75




RP

M

4300

4000

3500

3200

2800

2400

2000

1800

1600

1400

47 58 67 72 69 58 43

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.25 .4 .5 1 2 3 4 5 6 8

1 2 3 4 5 10 20

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

315 mm

RDN 315

2

3

4

.6

K

5.5 7.5

100

80

85

90

95

Lw (A) in dB (A)




RP

M

40003800

3300

2800

2400

2000

1800

1600

1400

1200

50 61 70 74 70 59 44

1.5

1

.8

.4

.3

KW

3500

3000

2000

1000

500

400

300

200

100

80.25 .4 .5 1 2 3 4 5 10

1 2 3 4 5 10 20 30

1 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

355 mm

RDN 355

2

3

4

.6

K

5.57.5

10

95

100

90

80

85

Lw (A) in dB (A)




3400

3100

2800

2600

2300

2000

1800

1600

1400

1200

1000

49 61 72 76 71 58 42

1.5

1

.8

.4

KW

3500

3000

2000

1000

500

400

300

200

100

80.4 1 2 3 4 5 10 14

2 3 4 5 10 20 30 40 50

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40 50


m3/ s

m3/ h

m/ s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

400 mm

RDN 400

2

3

90

4

80

85

.6

K

95

7. 5

100

11

5

Lw (A) in dB (A)

RP

M




3100

2800

2500

2200

2000

1800

1600

1400

1200

1100

1000

900

56 65 73 77 74 62 44

1. 5

1

.8

.4

KW

3500

3000

2000

1000

500

400

300

200

100

80.4 1 2 3 4 5 10 16

2 3 4 5 10 20 30 40 50

1 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/ h

m/ s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

450 mm

RDN 450

2

3

4

.6

K

7. 5

5

10

Lw (A) in dB (A)

90

80

85

95

100

15

RP

M


RP

M



2800

2500

2300

2100

1800

1600

1400

1200

1000

900

800

58 67 74 77 73 64 52

1.5

1

.8

KW

3500

3000

2000

1000

500

400

300

200

100

80.7 1 2 3 4 5 10 18

3 4 5 10 20 30 40 50

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

500 mm

RDN 500

2

6

8

.6

K

15

11

3

4

Lw (A) in dB (A)

90

80

85

95

100


RP

M



2600

2300

2000

1800

1600

1400

1200

1000

850

700

62 70 76 77 73 62 47

1.5

1

.8

KW

3500

3000

2000

1000

500

400

300

200

100

801 2 3 4 5 10 20 25

5 10 20 30 40 50

3 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

560 mm

RDN 560

2

6

90

8

80

85

.6

K

95

15

100

10

3

4

K2

2530

18.5

Lw (A) in dB (A)


RP

M



2300

2000

1800

1600

1400

1200

1000

900

800

700

600

58 67 75 79 78 69 54

1.5

1

.8

KW

3500

3000

2000

1000

500

400

300

200

100

801 2 3 4 5 10 20 30

5 10 20 30 40 50 100

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

630 mm

RDN 630

2

6

8

.6

K

15

10

3

4

K2

4018.5

Lw (A) in dB (A)

25

90

100

95

85

80

30


RP

M



2000

1700

1500

1300

1200

1100

1000

900

800

700

600

69 74 78 79 75 65 51

1.5

1

KW

3500

3000

2000

1000

500

400

300

200

100

801. 4 2 3 4 5 10 20 30 40

6 10 20 30 40 50 100

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

L–R

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

710 mm

RDN 710

2

6

90

8

K

15

10

3

4

K2

45

Lw (A) in dB (A)

25

3522

100

95

85

105


RP

M



1600

1400

1300

1200

1100

1000

900

800

700

600

500

62 70 76 79 74 63 46

1.5

1

KW

3500

3000

2000

1000

500

400

300

200

100

801.6 3 4 5 10 20 30 40 50

6 10 20 30 40 50 100

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

K

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

800 mm

RDN 800

2

6

8

15

10

3

4

K2

2522

90

100

95

85

105

Lw (A) in dB (A)

4535


GIR

I / m

RP

M



1600

1500

1300

1200

1100

1000

900

800

700

600

500

400

62 69 76 79 78 70 57

1.5

1

KW

3500

3000

2000

1000

500

400

300

200

100

802 3 4 5 10 20 30 40 60

10 20 30 40 50 100 200

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

K

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

900 mm

RDN 900

2

6

8

15

10

3

4

K2

30

20

4075

60

50

90

100

95

85

105

80 Lw (A) in dB (A)


GIR

I / m

RP

M



1350

1200

1050

900

800

700

600

500

450

400

58 69 77 79 74 59 42

KW

3500

3000

2000

1000

500

400

300

200

100

802.4 4 5 10 20 30 40 50 80

10 20 30 40 50 100 200

2 5 10 50 100 500 1000


volume

2 3 4 5 10 20 30 40


m3/ s

m3/h

m/s

PaN/m2

x1000

K

TOTAL EFF. %

WHEEL DIAMETER

= 1.2 Kg/ m3

Pa

N/m

2

TO

TAL

PR

ES

SU

RE

1000 mm

RDN 1000

2

6

8

15

10

3

4

K2

37

20

50

25

90

100

85

105

Lw (A) in dB (A)

75

60

95


APPLICATIONSThe double inlet TA series centrifugal fans, forwardcurvedblade fanwheels, are naturally suited for venti-lating and air conditioning systems, both civil and in-dustrial applications , for heating and cooling unitsand warm air generators.This centrifugal fan series is projected for handlingclean air. Discharge volumes up to 100.000 cu m/h.Static pressures up to 150 mm H2 OTemperatures up to 70°

CONSTRUCTION DETAILSThe fans of this series are produced with particularcare and structurally very rugged.

The SCROLLS are made of stamped steel plates. Ca-sing sides, cut from a single plate, are electrically wel-ded to the scroll. A deflector plate is fixed with selftapping screws to the diffuser.

The DOUBLE SECTION FANWHEELS aer sheet con-struction with forward curved plates. Disks and rimsare well oversized. Blades are beaded or riveted todisks and rims. Each fanwheel is carefully balanced,both statically and dinamically.

SHAFT and BEARINGS are produced with particularcare, as far as dimensions and quality are concerned.The supports of all ball bearings are prelubrified,as toguarantee, under normal working and environmentalconditions, a troubleless and longlasting operation.

The FRAMES of the TA/R series are constructed withsteel bars, so as to form a frame cube and are electri-cally welded.

FINISHESZinc plated finish: for high corrosion resistance.Special finish: series TA/R with aluminium scroll.

TYPES AVAILABLEThe following types of series TA centrifugal fans areproduced and available:

– TA/S: includes 11 types, from 7/7 to 18/18, withdischarge capacities of up to 18.000 cu m/hand static heads of up to 80 mm H2 OThese models have been designed to meetmaximum simplicity and economy require-ments, without giving up precision or strength.

– TA/R: available in 20 sizes from 7/7 to 30/28 withdischarge capacities of up to 60.000 cu m/h, and static heads of up to 80 mm H2 O for1stclass fans and 150 mm H2 O for 2nd classfans (see characteristic diagrams).The fans of this series are mounted in a fra-me,allowing for orientation in 4 directions.

– 2TA/R: available up to size 30/28, single shaft with two lateral bearings.Performance of these fans, in comparisonto single fans is approximately the follo-wing:— Delivery : x 2— Pressure : x 1— RPM : x 1,05— Power : x 2,15— Max allowable fan RPM : x 0,7

– 3TA/R: available up to size 18/18, single shaft withtwo lateral bearings.The performance of these fans, if comparedto single fans, is approximately the follo-wing:— Delivery : x 3— Pressure : x 1— RPM : x 1,08— Power : x 3,25— Max allowable fan RPM : x 0,7

ACCESSORIESa) BASE SUPPORTS in pre-drilled heavy duty steel

plate, ready for mounting in any position around the ventilator scroll in the TA/S version.Supplied with fasteners and assembly hardware.

b) MOTOR SUPPORT, to be mounted in a number of positions around the fan scroll in the TA/S version, with axial and tangential motor adjustments, and regulation of transmission tension. Supplied with necessary fasteners.

c) FIXED PULLEYS IN ALUMINIUM for ventilator fan shaft mounting, one groove for section A,trapezoidal belts, in aluminium for 100 - 130 - 150 - 180 pitch diameters.

d) VARIABLE PITCH PULLEYS IN ALUMINIUM for motor shaft mounting,one grove for section A and B, trapezoidal belts, as to allow for an about 30% fan RPM regulation, when motor is stopped.

In aluminium for the following pitch diameters:

from 60 to 75 mm,from 70 to 85 mm andfrom 92 to 113 for section "A" belts

from 63 to 79 mm,from 73 to 95 mm andfrom 100 to 130 for section "B " belts

N.B.: section " A " = 13x8 mm section " B " = 17x11 mm

e) MOTOR MOUNTS for fan case mounted motors in the TA/R and 2 TA/R versions,with motor axial andtangential adjustments.Supplied with necessary fasteners.

f) VIBRATION DAMPER, produced from a glass- neo-prene material fastened two galvanized steel strips.Maximum operating temperature allowed is 95°C. To be mounted when the fan has to be thouroughly insulated from ducts, as to avoid all interferences and subsequent noises and vibrations.

g) DRIVE SAFETY GUARD CARTERS - The employ-ment of safety carter guards to be mounted as belt-drive protection is recommended as to eliminate whatever risk of injuries to personnel.

h) COMMON MOTOR AND FAN MOUNTINGBASE.

i) BASE VIBRATION DAMPERS to cut down transmission of vibrations between the fan and the supporting frame.Thus, the fan is completely insulated from its foundations.

DESCRIPTION

EXAMPLE

HOW TO USE THE DIAGRAMS

a) Performance curves refer to double intake fans. The following information is reported on the performance charts:

– discharge volume in cu m/h - logarithmic scale

– discharge volume in cv m/sec - logarithmic scale

– static pressure in mm H2 O – logarithmic scale

– velocity pressure in mm H2 O - logarithmic scale

– outlet velocity in m/sec. - logarithmic scale

– 1st and 2nd class boundary

– delivery -pressure curves

– delivery-pressure curves

– revolutions per minute– RPM – logarithmic scale

– brake horsepower curves

– noise level curves

– fan wheel diameter

– number of blades

– peripheral speed

– blade surface

– RPM speed limits for the two classes

– maximum installed power

– fan weight

b) Sample of calculation.Assuming a double intake centrifugal fan has to beselected to meet the following requirements:

– volume (Q) : 3.400 cu m/h

– static head (p. st.) 35 mm H2O

Starting from point A, corresponding to the 3.400cu m/h required, continue upwards vertically andcross at point X the horizontal line draw to B, in cor-respondence to a static head pressure of 35 mmH2OOn the TA 10/10 diagram the following fan cha-racteristics can be directly read off:

– revolutions per minute n = 1170 R.P.M.

– brake hors power P inst = 0,75 metric H.P.

– total efficency ηT = 0,65

– discharge velocity VU = 10 m/s

– velocity pressure P din = 6 mm H2O

– noise level LA = 72 dBA

– Revolutions per minute – Brake horsepower-metric H.P. – Noise level dBA

1.000 1.500 2.000 3.000A 4.000 5.000 6.000 8.000 10.000

0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 15 2 3

0,3 0,4 0,5 1 1,5 2 3 4 5 10 15 20 30 40 50 100

3 4 5 6 7 8 9 10 15 20 30

Q m3/h

Q m3/sec.

Vu. m/sec.

1100

12001300

14001500

16001700

1800

2000

2200

2400150

100908070

60

50

40

30

20

15

109876

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,67

70

60

50

40

30

20

15

10987

6

5

4

3 H [

mm

H2O

] x

9,8

1 =

[P

a]

Hd [mm H2O] x 9,81 = [Pa]

η t = 0,64

η t = 0,58

600

1a C

lass

e

2a C

lass

e

500

700

800

900

1000

B

1009080

Hd

60

75

80

650,10

0,25

0,33

0,5

7,5

1

Hd

85

POTE

NZA

ASS

OR

BIT

A [C.V

.] X

0,73

5 =

[Kw

]

90

1,5

2

3

4

5,5

0,75

X

70

TA 7-7

Revolutions per minuteBrake horsepower - metric H.P.Noise level dBA

Ht = Total pressure

Hst = Statics pressure

Hd =Dynamics pressure

Ht = Hst + Hd

ηt = Total efficiency

Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface

Max. allowable fanRPM

Max. installed power(metric H.P.)

Fan net weight

200 mm

40

0.08

n x 0.0105 m/s

0.046 m2

I class II class2.400

TA-S: 1.5TA-R: 1.5

TA-S: 5 kgTA-R: 6 kg

Max. circulating air temperature: 70°CData refer to standerd air at 15°C, 760 mm Hg (γ = 1.22 kg/cu m)Ptot = Pst + Pdin

800

900

1000

11001200

13001400

15001600

17001800

19002000

2200

2400

150

100908070

60

50

40

30

20

15

10987

6

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,65

40

30

20

15

10987

6

5

4

3 H [

mm

H2O

] x

9,8

1 =

[P

a]

700

Hd [mm H2O] x 9,81 = [Pa]

η t = 0,60

η t = 0,58

60

75

80

55 0,05

0,170

0,25

0,33

0,5

0,75

1

Hd

85

POTE

NZA

ASS

OR

BITA

[C.V

.] X

0,7

35 =

[Kw

]

400 600 800 1.000 1.500 2.000 3.000 4.000 Q m3/h

0,09 0,1 0,15 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 Q m3/sec.

0,2 0,3 0,4 0,5 1 1,5 2 3 4 5 10 15 20 30 40

2 3 4 5 6 7 8 9 10 15 20 Vu. m/sec.

CHARACTERISTIC CURVES

TA 9-9


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

250 mm

33

0.12

n x 0.0131 m/s

0.078 m2

I class II class2.000 2.400

I class II classTA-S: 3TA-R: 3 5.62TA-R: 4 5.53TA-R: 4

TA-S: 8kg TA-R: 9kg2TA-R: 30kg 3TA-R: 48kg


600 1.000 1.500 2.000 3.000 4.000 5.000 6.000 Q m3/h

0,15 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 1,5 2 Q m3/sec.

0,2 0,3 0,4 0,5 1 1,5 2 3 4 5 10 15 20 30 40

2 3 4 5 6 7 8 9 10 15 20 Vu. m/sec.

800

900

1.000

1100

1200

13001400

15001600

17001800

19002.000

2200

2400

150

100908070

60

50

40

30

20

15

10987

6

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,68

70

60

50

40

30

20

15

10987

6

5

4

3 H [

mm

H2O

] x

9,8

1 =

[P

a]700

Hd [mm H2O] x 9,81 = [Pa]

η t = 0,65

η t = 0,582600

600

500

1a C

lass

e

2a C

lass

e

60

75

80

65

0,10

700,25

0,33

0,5

0,75

1

Hd

85

POTE

NZA

ASS

OR

BIT

A [C.V

.] X

0,73

5 =

[Kw

]

90

1,5

2

3

4


TA 10-10


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

280 mm

39

0.16

n x 0.0146 m/s

0.0955 m2


I class II classTA-S: 3TA-R: 3 5.52TA-R: 4 5.53TA-R: 4



1.000 1.500 2.000 3.000 4.000 5.000 6.000 8.000 10.000 Q m3/h

0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 15 2 3 Q m3/sec.

0,3 0,4 0,5 1 1,5 2 3 4 5 10 15 20 30 40 50 100

3 4 5 6 7 8 9 10 15 20 30 Vu. m/sec.

800

900

1000

1100

12001300

14001500

16001700

1800

2000

2200

2400150

100908070

60

50

40

30

20

15

10987

6

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,67

100908070

60

50

40

30

20

15

10987

6

5

4

3 H [

mm

H2O

] x

9,8

1 =

[P

a]

700

Hd [mm H2O] x 9,81 = [Pa]

η t = 0,64

η t = 0,58

600

500

2a C

lass

e

1a C

lass

e

60

75

80

650,10

700,25

0,33

0,5

0,75

1

Hd

85PO

TEN

ZA A

SSO

RB

ITA [C

.V.]

X 0,

735

= [K

w]

90

1,5

2

3

4

5,5

7,5


TA 12-12


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

330 mm

45

0.4

n x 0.0173 m/s

0.135 m2


I class II classTA-S: 4TA-R: 5.5 7.52TA-R: 7.5 103TA-R: 10


Hd [mm H2O] x 9.81 = [Pa]

0,2 0,3 0,4 0,5 1 1,5 2 3 4 5 10 15 20 30

2015109 Vu. m/sec.8765432

0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 1,5 2,52 3 Q m3/sec.

Q m3/h1.000 1.500 2.000 3.000 4.000 5.000 6.000 8.000 10.0003

4

5

6789

10

15

20

30

40

50

60

708090

100

150

Hst

[m

m H

2O]

x 9,

81 =

[P

a]

Hst mm H2O

H [

mm

H2O

] x

9,81

= [

Pa]

3

4

5

678910

15

20

30

40

50

60

70

0,63η t =

η t = 0,68η t = 0,62

600

700

800

900

1000

1100

12001300

14001500

16001700

18001900

Giri

al 1

,

1a c

lass

e

2a c

lass

e

65

70

75

80

85

0,35

0,5

1

1,5

2

3

4

5,5

75

0,75

Hd

POTE

NZA

ASS

OR

BITA

[C.V

.] X

0,73

5 =

[Kw

]



1.500 2.000 3.000 4.000 5.000 6.000 8.000 10.000 15.000 20.000 Q m3/h

0,5 0,6 0,7 0,8 0,9 1 1,5 2 2,5 3 4 5 6 Q m3/sec.

0,3 0,4 0,5 1 1,5 2 2,5 3 4 5 10 15 20 30 40

3 4 5 6 7 8 9 10 15 20 2,5 30 Vu. m/sec.

800

900

1000

1100

1200

13001400

15001600

1700150

100908070

60

50

40

30

20

15

109876

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,64

908070

60

50

40

30

20

15

10987

6

5

4

3 H [

mm

H2O

] x

9,8

1 =

[P

a]

700

Hd [mm H2O] x 9,81 = [Pa]

η t = 0,64

600

500

2a C

lass

e

1a C

lass

e

η t = 0,69

75

80

65

70

0,5

0,75

1

Hd

85PO

TEN

ZA A

SSO

RBI

TA [C

.V.]

X 0,

735

= [K

w]

90

1,5

2

3

4

5,5

7,5

10

15

0,35

60

TA 15-15


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

395 mm

51

0.9

n x 0.0206 m/s

0.190 m2


I class II classTA-S: 5.5TA-R: 7.5 102TA-R: 10 153TA-R: 15




3.000 4.000 5.0006.000 8.000 10.000 15.000 20.000 30.000 40.000 Q m3/h

0,9 1 1,5 2 2,5 3 4 5 6 7 8 9 10 Q m3/sec.

1 1,5 2 3 4 5 6 7 8 9 10 15 20 30 40 50 100

4 5 6 7 8 9 10 15 20 25 30 40 Vu. m/sec.

800

900

1000

1100

12001300

150

100908070

60

50

40

30

20

15

109876

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,65

H [

mm

H2O

] x

9,8

1 =

[P

a]

600

Hd [mm H2O] x 9,81 = [Pa]

η t = 0,64

500

400

2a C

lass

e

1a C

lass

e

η t = 0,69

700

908070

60

50

40

30

20

15

109876

5

4

3

100

75

80

0,75

1

Hd

85

POTE

NZA

ASS

OR

BITA

[C.V

.] X

0,73

5 =

[Kw

]

90

1,5

2

3

4

5,5

7,5

10

15

2025

70

65

TA 18-18


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

470 mm

53

2.3

n x 0.0246 m/s

0.267 m2


I class II classTA-S: 5.5TA-R: 7.5 102TA-R: 15 253TA-R: 20




TA 20-20


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

512 mm

42

4.3

n x 0.0268 m/s

0.397 m2


I class II classTA-R: 15 202TA-R: 20 25

TA-R: 98kg2TA-R: 200kg


3.000 4.000 6.000 8.000 10.000 15.000 20.000 30.000 40.000 Q m3/h

0,9 1 1,5 2 2,5 3 4 5 6 7 8 9 10 Q m3/sec.

0,3 0,4 0,5 1 1,5 2 2,5 3 4 5 10 15 20 25 30 40 50 60

2 3 4 5 6 7 8 9 10 15 20 25 30 Vu. m/sec.

800

900

1000

1100

1200

1300150

10090807060

50

40

30

20

15

109876

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,64

H [

mm

H2O

] x

9,8

1 =

[P

a]

600

Hd [mm H2O] x 9,81= [Pa]

η t = 0,68

500

400

2a C

lass

e

1a C

lass

e

η t = 0,69

700

8070

60

50

40

30

20

15

109876

5

4

3

300

200

75

80

0,75

1

Hd

85

POTE

NZA

ASS

ORB

ITA [C

.V.]

X 0

,735

= [K

w]90

1,5

2

3

4

5,5

7,5

10

15

2025

70

65

95


TA 22-22


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

575 mm

48

5.8

n x 0.03 m/s

0.480 m2

I class II class900 1.100




4.000 6.000 8.000 10.000 15.000 20.000 30.000 40.000 60.000 Q m3/h

1,5 2 2,5 3 4 5 6 7 8 9 10 15 Q m3/sec.

0,4 0,5 1 1,5 2 3 4 5 10 15 20 30 40 50

3 4 5 6 7 8 9 10 15 20 25 30 Vu. m/sec.

800

900

1000

11001200

150

10090807060

50

40

30

20

15

109876

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,63

H [

mm

H2O

] x

9,8

1 =

[P

a]

600

Hd [mm H2O] x 9,81= [Pa]

η t = 0,68

500

400

2a C

lass

e

1a C

lass

e

η t = 0,68

700

70

60

50

40

30

20

15

109876

5

4

3

300

200 75

80

0,75

1

Hd

85

POTE

NZA

ASS

ORB

ITA [C

.V.]

X 0

,735

= [K

w]90

1,5

2

3

4

5,5

7,5

10

15

2025

7065

95

30

40


TA 25-25


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

665 mm

54

9.8

n x 0.0347 m/s

0.630 m2

I class II class800 1.000




4.000 6.000 8.000 10.000 15.000 20.000 30.000 40.000 50.000 Q m3/h

1,5 2 2,5 3 4 5 6 7 8 9 10 15 Q m3/sec.

0,2 0,3 0,4 0,5 1 1,5 2 3 4 5 10 15 20 25 30 40

2 3 4 5 6 7 8 9 10 15 20 25 Vu. m/sec.

800

900

1000150

10090807060

50

40

30

20

15

109876

5

4

3

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a] η t = 0,62

H [

mm

H2O

] x

9,8

1 =

[P

a]

600

Hd[mm H2O] x 9,81= [Pa]

η t = 0,67

500

400

2a C

lass

e

1a C

lass

e

η t = 0,69

700 70

60

50

40

30

20

15

10987

6

5

4

3

300

200

80

75

80

1

Hd

85

POTE

NZA

ASS

ORB

ITA [C

.V.]

X 0

,735

= [K

w]

90

2

3

4

5,5

7,5

10

15

20

25

70

65

9530

40


TA 28-28


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

720 mm

60

13

n x 0.0375 m/s

0.757 m2

I class II class700 800




5 6 7 8 9 10 15 20 30 40 50 60

1,5 2 2,5 3 4 5 6 7 8 9 10 15 20 Q m3/sec.

0,3 0,4 0,5 1 1,5 2 3 4 5 6 7 8 9 10 15 20 30 40

2 2,5 3 4 5 6 7 8 9 10 15 20 25 Vu. m/sec.

Q m3/h x 1000

800

550

150

100908070

60

50

40

30

20

15

10987

6

5

Hst mm H2O

Giri

al 1

’

Hst

[m

m H

2O]

x 9

,81

= [P

a]

η t = 0,62

H [

mm

H2O

] x

9,8

1 =

[P

a]

600

Hd[mm H2O] x 9,81= [Pa]

η t = 0,67

500

400

2a C

lass

e

1a C

lass

e

η t = 0,69

700

60

50

40

30

20

15

10987

6

5

300

200

350

250

450

75

80

Hd

85

POTE

NZA

ASS

OR

BITA

[C.V

.] X

0,7

35 =

[Kw

]

90

2

3

4

5,5

7,5

10

15

20

25

70

65

30


TA 30-28


Ht = Total pressure



Ht = Hst + Hd


Fanwheel diameter

Number of blades

PD2 (kgxm2)

Peripheral velocity

Blade surface



Fan net weight

780 mm

66

18

n x 0.0407 m/s

0.813 m2

I class II class600 800




150

Hst

[m

m H

2O]

x 9

.81

= [

Pa]

Hst mm H2O

150

200

250

300

350

400

450

500

550

600650

700750

800

651

70

2

3

4

5,5

7,5

10

15

20

2530

4095

90

85

80

75

Giri

al 1

’

1a Cla

sse

2a Cla

sse

3

4

5

6789

10

15

20

30

40

50

60708090

100

3

4

5

678910

15

20

30

40

50

60708090100

Hd

8.000 10.000 15.000 20.000 30.000 40.000 60.000 80.000 100.000 Q m3/h

Q m3/sec.2 2,5 3 4 5 6 7 8 9 10 15 20 25 30

30253 4 5 6 7 8 9 10 15 20

0,4 0,5 1 1,5 2 3 4 5 6 7 8 9 10 15 20 30 40 50

Vu. m/sec.

H [

mm

H2O

] x

9.8

1 =

[P

a]

Hd [mm H2O] x 9.81 = [Pa]

POTE

NZA

ASS

ORB

ITA

[C.V

.] x

0,7

35 =

[K

w]

t =0,67 t =0,69 t =0,61


AIR HANDLING UNIT - Sections dimensions and Weight

Unit Size

CS - 14CS - 17CS - 21CS - 26CS - 32CS - 40CS - 49CS - 60CS - 73CS - 90CS - 110CS - 135CS - 165CS - 200CS - 250CS - 300CS - 370CS - 450CS - 550CS - 680CS - 830

Width HightB C

720 x 550720 x 610800 x 800800 x 800900 x 850

1000 x 8501120 x 8501280 x 10601280 x 11201400 x 12401520 x 14201600 x 14801700 x 14801960 x 16002240 x 16602400 x 18402600 x 20203340 x 19403550 x 21804020 x 23004380 x 2540

100

100

100

100

100

100

100

100

150

150

150

150

150

150

500

500

500

700

700

700

700

24

27

30

33

40

44

48

58

62

70

78

92

110

150

190

230

270

310

360

420

500

350

350

350

350

350

350

350

350

350

350

350

350

350

350

450

550

650

650

650

650

650

28

31

38

40

50

55

61

70

75

90

105

125

145

160

185

275

350

410

500

630

780

750

750

750

950

950

950

1050

1050

1050

1250

1250

1450

1450

1650

1650

1850

2000

2300

2300

2300

2900

50

54

62

67

80

89

98

110

120

150

180

210

240

270

400

435

525

640

750

900

1080

240

240

240

240

240

240

240

240

250

250

250

250

250

250

250

250

250

270

270

270

270

7

9

10

12

13

15

17

20

22

25

28

32

36

42

49

58

70

82

95

110

130

650

650

650

650

650

650

650

650

650

650

650

650

650

650

650

650

650

650

650

650

650

22

29

33

39

43

49

55

65

71

80

89

100

112

135

160

180

220

260

300

345

410

350

350

350

350

350

350

350

350

350

350

350

350

350

350

350

350

350

350

350

350

350

23

26

31

37

46

53

61

70

81

88

98

110

132

153

200

215

250

274

332

423

520

450

450

450

450

450

450

450

450

450

450

450

450

450

450

450

450

450

450

450

450

450

28

31

38

44

53

64

75

85

100

110

125

137

165

192

230

265

320

350

425

540

670

550

550

550

550

550

550

550

550

550

550

550

550

550

550

550

550

550

550

550

550

550

34

39

46

54

64

80

90

105

125

140

155

177

200

240

270

320

400

450

560

675

800

300

300

300

300

300

300

300

300

300

300

300

300

300

300

300

300

300

300

300

300

300

Length Weight Length Weight Length Weight Length Weight Length Weight Length Weight Length Weight Length Weight Length Weight

L 1 L 2 L 3 L 4 L5 L 6 L 71 : 4 R 5 : 6 R 7 : 8 R

2 k

w =

kg

Freshair intake

with louverand damper

Mixingbox

Mixingand

exhaust boxPanelfilter

Bagfilter

Coil Electricheater

Dropleteliminator

and humidifier

L1 L2 L3 L4 L5 L6 L7 L8 L9

L 8

200

200

200

200

200

200

200

200

200

200

200

200

200

200

200

200

200

200

200

200

200

18

20

22

25

28

32

37

44

51

57

62

70

78

95

110

130

152

170

210

260

300

800

800

800

800

800

800

800

800

800

800

800

800

800

800

800

800

800

800

800

800

800

51

58

63

70

80

92

116

120

135

145

157

178

208

235

280

320

380

440

520

610

700

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

1250

110

122

135

150

170

185

225

250

280

295

325

370

425

480

600

750

820

950

1100

1450

1700

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

1650

135

150

162

177

200

220

265

290

315

350

390

435

485

540

700

850

960

1100

1250

1450

1700

800

900

900

900

1000

1100

1100

1100

1250

1250

1400

1400

1600

1750

1900

2050

2150

2200

1850

2050

2150

47

52

56

60

70

80

97

110

122

160

205

237

318

395

440

540

660

800

910

1100

1300

800

900

900

900

1000

1150

1150

1150

1300

1300

1500

1500

1700

1850

2150

2350

2400

2400

2000

2150

2400

47

52

56

60

70

80

97

110

122

160

205

237

318

395

440

540

660

800

910

1100

1300

75

80

85

100

110

130

135

180

180

200

240

250

270

310

320

400

450

510

550

625

760

1050

1050

1050

1050

1050

1150

1150

1150

1150

1200

1200

1200

1300

1300

1300

1500

1500

1600

1600

1600

1600

800

900

900

1100

1100

1200

1200

1200

1400

1500

1600

1800

1900

2000

2000

2200

2600

2400

2600

2700

3000

-

-

-

-

-

170

200

225

250

300

330

365

400

445

485

530

595

680

790

935

1075

700

700

700

700

700

900

900

900

900

900

900

900

900

900

900

1200

1200

1200

1200

1200

1200

35

40

45

48

50

65

70

80

80

95

110

120

120

130

135

180

200

220

230

290

310

Length Weight Length Weight Length Weight Length Weight Length Weight Length Weight Length Weight Length Hight Weight Length Weight

L 9 L 10 150 % 75 % 92 %

L 10 2 L 11 L 12 B1 L 13 L 14

Leng

th a

s re

quire

d

1000

1000

1100

1100

1200

1200

1350

1350

1500

1500

1650

1650

1900

1900

2200

2350

2500

2700

2900

3100

3300

Absolutefilter Multizone

Soundattenuator

Supplyair plenum

Fan

L102 L11 L12 L13 L14L101

B 1

Installation of Air Handling Unit:

Units do not present particular difficulties ofinstallation and we believe that the followinginformation is sufficient.

PositioningClient base/foundations must be even and leveledto avoid tension on the panels and frames whencoupling sections together .

Normally it is not necessary to use vibrationisolators exterior to the unit.However, if a particular problem arises, werecommend client consults an anti-vibrationspecialist . In thisinstance, it is necessary to provide all waterpipe connections with proper flexible joints and touse flexible connections on air inlets and outlets.It is important to ensure that the position for the(AHU) permits easy service and sufficient room forcomponent replacement .

Air duct connectionsIt is important to ensure that any flexible joint canoperate effectively after connecting the unit to theductwork.

Coil water connectionsCoil must be connected with the heating or coolingwater flowing counter to the treated air .The water inlet is to be piped up to the bottomconnection and the water outlet to the topconnection.The other two outlets must be closed as shown infigure.

As for the steam and direct expansion coils, theinstructions on the data plates are to be followed.An air vent should be installed in the pipework toeach water coil .When tightening coil connections, ensure that the coilpipe is held rigid, thus avoiding damage to header .

AIR HANDLING UNITInstallation, Operation & Maintenance Instructions

The transmission of vibrations through the watersystem should be avoided as it causes workhardening of the copper pipe and subsequent failure.Drain pipe work should be trapped/siphoned .

In humidification system with a pump, check:Pump rotation directionWater level in the panWater filters positionPan tightness which could have suffered duringtransportationCheck humidification operation and water tightnessof the whole unit when running.The electric supply to fan motor must be in accordancewith local regulations.

During fan starting, it is necessary to check :That the fan rotates freely in the correct direction

and the locking devices which were fitted asprotection during transportation have beenremoved .

The whole fan section, for any damage which mayhave occurred during transportation and whichcould cause unnecessary vibration or unit failure.Do not keep the inspection door open when fan isin operation, as this will cause motor overload.Measure the power absorbed by the motor whichshould normally be designed for approximately 80%of the motor rating .

Assembly of absolute filters and active carboncellsIt is advisable to assemble the filter cells after the(AHU) has been running for several hours.By doing this, the ducts are clean from dust anddebris accumulated during installation.Only after several hours of operation, should absoluteor active carbon filter cells be installed.

AIRFLOW

Handling for transportation1) Units which are provided with support feet :

Unit handling can be effected by fork lift truck orropes as shown in figure

2) Units which are provided with a profile base inwhich there are holes for hooks to take tubes orlifting ropes are handled as shown in figure .

Maintenance InstructionsNormal Maintenance1 Mixing Box Air Dampers: It is recommended

that the drive levers are cleaned and greasedannually.

2 Air filters: To be checked and replacedperiodically according to the dust content of theair .

3 Metal Filter Cell: To be cleaned with hot waterand cleansing agents, or with a caustic soda bath.It will be necessary to spray the cells with mineraloil to ensure efficient operation .

4 Washable Synthetic Material Cells: These filtercells may be cleaned as follows:- By simple shaking- By vacuum cleaner, in this case it is moreeffective if the suction device is positioned onthe air inlet side.- By water spray, (avoiding strong pressure jets) and spraying from the air inlet side.- By water spray, (avoiding strong pressure jets)and spraying from the air inlet side.

5 Auto Roll and Bag Filters: Follow specificfactory maintenance instructions

6 Absolute Filters: Check cells are correctlyassembled on frame and airtight.The cells are not washable.Follow factory service instructions.

7 Air treatment Coils: It is advisable to purge thepipe of air occasionally. To avoid fouling, it isadvisable to clean each coil with water jets at thebeginning of summer and winter seasons.If this proves insufficient we suggest the use of abrush or a proprietary brand of chemical agent tobe applied as instructed .

8 Humidification Section: With pump and sprayheader we recommend every month :

- To clean the nozzles and check that the sprayforms a regular cone .

- To clean the copper/stainless steel mesh waterfilter with a brush .

- To clean the pan from slimy impurities usingwater jet and brush every six months .

Evaporating package when cleaning, the following instructions apply :

- Stop the pump, shut the check valve and waitfor the air flow to dry the evaporating package.

- To remove slimy deposits wash down thepackage with water.

- Take off and clean the water filter with acommon brush.

- Wash the pan and overflow pipe.

AIR HANDLING UNITInstallation, Operation & Maintenance Instructions

9 Fan section:Warning: Before opening the fan motor assembly

make sure that the main power switch has beenisolated

Check belt drive tension after the first week ofoperation and adjust if necessary as follows :- Loosen the electric motor from the main base.- Move the motor until the belt tension can beseen to give about 2 cm deflection between thetwo pulleys .Excessive tension of the belts causes damageto the bearings.

- Check that the fan and motor shafts are paralleland the pulleys are correctly aligned.

- Fans provided with open bearing housing needto be lubricated periodically.

- Check that all fixing screws are correctly tightafter first week of operations, retighten ifnecessary and to be checked periodically eachmonth .

10 Motor- Ambient temperature, changing with

seasons but not exceeding 40 degreescentigrade.

- Voltage, 220/380 V, 380/660 V- Check if the data on the name-plate

the requirements.- Motor should be earthed properly. There

is an earthing device at the low right partof the terminal box

- There are 6 terminals on the terminalplate marked with : U1, V1, W1, U2, V2,W2 respectively. Connection should bedone according to the diagram on thename-plate .When power phase sequences A, B, C arecorresponding to mounting marks of U1,V1, W1 respectively, looking from the endof the main shaft, the rotating of motor isregarded as clockwise.If changing the phase sequence, therotation of the motor is counter to itsoriginal one. Check motor rotation beforetest-run.

- Abnormal sound or vibration should notoccur during operation. The temperatureof bearings should not exceed 95 degreescentigrade.

11 Various checksCheck for air leaks from panels andinspection doors.Check the condition of the electric cables.

12 Safety provisionsAll the units are provided with the followingsafety devices:

Fan access door with locking handles.Upon request belt guard for fan/motordrive protection.

Internal Static Pressure (Pa)External Static Pressure (Pa)

A.H.U ORDER FORMCUSTOMERMODEL CS

Insulated single skin

R L

PlastifiedPlastified

GalvanizedGalvanized

Sheet ofQU. No.QTY.UNIT No.

INSULATION

Double skin

Uninsulated single skin Thickness (mm)

SUPPLY FANCapacity (mt3/hr)

Air Orientation

Internal Static Pressure (Pa)

External Static Pressure (Pa)

Inspection Door

RETURN FANCapacity (mt3/hr)Inspection Door

Input by : Date Signature

COOLING COIL SECTIONChilled WaterLoad (B.T.U/KW)

Air SideEntering Temp. (DB) (F/C)Ent. Relative Humidity (%)

Air pressure Drop (in. wg./Pa)

Water SideWater Flow (GPM - L/S)Entering W. Temp. (F/C)Refrigerant sideSuction Temp. (F/C)

W. Press. Drop (in. wg./Pa)Leaving W. Temp. (F/C)

Hot Water CoilLoad (B.T.U./K.Cal.) Header sideEntering Air Temp. (DB) (F/C) Leav. Air Temp. (DB) (F/C)Water Flow (GPM - L/S)Entering W. Temp. (F/C) Leaving W. Temp.

SteamLoad (B.T.U./K.Cal.) Header side

Entering Air Temp. (DB) (F/C) Leav. Air Temp. (DB) (F/C)

Electric HeaterCapacity (KW) No. of stepsVoltage (volt) No. of phase

Steam

HUMIDIFICATION SECTIONWater (Lit./hr) Relative Humidity

FILTER SECTIONPre-Filter

efficiency (%)

Bag Filter

Efficiency (%)

Absolute Filter

Efficiency (%)

SOUND ATTENUATORS SECTION

Supply S.A.

Insertion Loss (db) at 250 Hz Max Pressure Drop (Pa)

Max Pressure Drop (Pa)

ADDITIONAL SECTIONS

FINISHExternalInternal

HEATING SECTIONHot Water Electric Heater

Direct Expansion

Header Side

Leaving Temp. (DB) (F/C)Leav. Relative Humidity (%)

Return S.A.Insertion, Loss (db) at 250 Hz

A B C D E F R L

R L

R L

R L

Airhandling Units

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