wda - hvac components systems manufacturer · contents construction subject to change. no return...

Ferdinand Schad KGSteigstraße 25-27

D-78600 KolbingenTelephone +49 (0) 74 63 - 980 - 0

Fax +49 (0) 74 63 - 980 - [email protected]

Long throw nozzleWDA

Contents

Construction subject to change. No return possible!

Long throw nozzle WDA

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Description ........................................................................................................................................3Construction .............................................................................................................................................................................. 3Model ......................................................................................................................................................................................... 3Accessories ................................................................................................................................................................................ 3

Models and dimensions .........................................................................................................................4Dimensions ................................................................................................................................................................................ 4Dimensions of accessories ........................................................................................................................................................ 5

Technical data .................................................................................................................................. 14Pressure loss and noise level ................................................................................................................................................... 14Maximum end velocity of jet .................................................................................................................................................... 18Maximum penetration .............................................................................................................................................................. 19Induction ratios ........................................................................................................................................................................ 21Temperature ratios ................................................................................................................................................................... 22Definitions ................................................................................................................................................................................ 23Further data ............................................................................................................................................................................. 24Connection diagrams of electric actuators ............................................................................................................................... 26Technical data of electric actuators .......................................................................................................................................... 27

Legend ........................................................................................................................................... 29Order code WDA ................................................................................................................................ 30Specification texts .............................................................................................................................. 32


DescriptionA horizontal supply air pattern is often required for large, highrooms such as theatres, concert halls, production halls, etc.Long throw nozzles type WDA are particularly suitable for thisapplication. Their low noise level allows a high blow velocity,resulting in correspondingly long throw distances. The nozzlesare also well suited to vertical throws. Please note, however,that nozzles which are designed for heating mode can causedraughts in cooling mode. This can be avoided if the nozzles aredesigned for cooling mode. In this case, in heating mode, indi-vidual nozzles can be blanked off to achieve a higher exit velocitythan that of the remaining ones, thus resulting in increased pen-etration. An alternative would be to design the nozzles based onmaximum penetration during heating and to reduce the total airvolume during ventilation, thus saving energy costs. We havealso developed accessories for the nozzles in order to extendtheir possible uses. A swivel head allows you to move the noz-zle by approx. 30 degrees in all directions. This does not affectthe noise level or pressure loss. This adjustment can be donemanually or electrically.The swirl discs greatly reduce the penetration.For mounting in the ceiling or wall, inspection openings for theelectrical connection must be provided on-site in sufficientnumber and size.

Attention:Please note that for size 400 the connection spigot of the thrownozzles must be fitted on-site.The installation of WDA into spiral ducts must take place free ofstress. Avoid using unround or deformed spiral ducts, in orderto protect the nozzle from distortion.

Construction

Model

Accessories

Connection spigot- Sheet steel painted to RAL 9010 (white) (WDA-F-... only)- Galvanised sheet steel (WDA-W-... and WDA-D-...)

Nozzle part- Aluminium painted to RAL 9010 (white)

Mounting ring- Sheet steel painted to RAL 9010 (white)

Saddle bracket- Galvanised sheet steel (WDA-...R only)

WDA-N-... - Nozzle without accessories(not available with swivel head)

WDA-F-... - For flexible duct connectionWDA-W-... - For spiral duct connectionWDA-D-... - For ceiling and wall mountingWDA-K-... - For duct connectionWDA-R-... - for duct connection (with saddle bracket)

Cover plate (-BR)- Sheet steel painted to RAL 9010 (white, standard) (NW

063-200)Ball impact guard (-BS)

- only possible with screw mounting (-SM).- Sheet steel painted to RAL 9010 (white)- for WDA-D-... / WDA-K-...- for WDA-D-...-SK-... / WDA-F-...-SK-...- for WDA-K-...-SK-...

Swirl disc (-DS 1/2)- Sheet steel painted to RAL 9005 (black) (NW 063 - 200)

Damper (-DV)- Galvanised sheet steel with integrated perforated straight-

ener (for supply air model only) and fixing lugselectric actuator

- Only available with swivel head (NW 063 - 400)- Actuator mounted externally on the left (-AL, standard) or

on the right (-AR)- Actuator mounted internally (-AI, at an extra charge)

(not possible for NW 400)- 230V AC, 3-point activation (-E092, -E048, -E008)- 24V AC, 0 - 10V (standard model) (-E091, -E049,

-E015)- 24V AC, 3-point activation (-E090, -E047, -E007)

Flange ring (-FR)- Sheet steel painted to RAL 9010 (white) (possible only for

WDA-K-400-SK)Reduction piece (-RS)

- Sheet steel painted to RAL 9010 (white)(WDA-F-... / WDA-W-..., size 063 - 200 only)

Swivel head (-SK)- Aluminium painted RAL 9010 (white) (NW 050 not possi-

ble)

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Models and dimensionsDimensionsWDA-N-...

Nozzle without add-onparts (not available withswivel head)

WDA-F-...

WDA-K-...

WDA-W-...

WDA-D-...

WDA-R-...

Available sizes WDA-N-... / WDA-W-... / WDA-F-... / WDA-D-... / WDA-K-... / WDA-R-...

* Larger diameters are also available upon request!

1.) 3 x indentation forslotted shallow-raised countersunk-head tapping screwDIN ISO 7051 pitch3.9

insi

de

NW ød øA øE øF øG øK a L t P1 øD1 øD L1031 31,5

150 115 98 108 130 9

87 16 7181-

200*90

70040 40 63 12 51 50045 45 49 10 39 38050 50 34,5 10 24,5 23,5063 63

250 215 198 208 230

12

163 14 149181

-800*

185

148080 80 114 18 96 95087 87 95 14 81 80100 100 58 12 46 45125 125

450 415 398 408 430

192 12 180356

-800*

360

179160 160 212 12 200 199175 175 168 12 156 155200 200 99 12 87 86400 400 845 770 752 808 815 20 340 20 320 x 724 319

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Dimensions of accessoriesSwivel head (-SK, NW 050 not possible)The adjustment of the nozzle can be done manually or electrically.WDA-F-...-SK-... / WDA-D-...-SK-...

WDA-K-...-SK-...

WDA-W-...-SK-...

WDA-R-...-SK-...(not possible for NW 400)

Available sizes WDA-...-SK-...

* Larger diameters are also available upon request!

1.) 3 x indentation forslotted shallow-raised counter-sunk-head tappingscrew DIN ISO7051 pitch 3.9(6 for NW400)

insi

de

NW ød øA øE øF øG øK a α P H H1 M øB z øD2031 31,5

150 115 98 108 130 9 2853

60 100 72 100 45100

-315*

040 40 25045 45 14063 63

250 215 198 208 230

12

25104

130 170 125 200 72,5200

-1200*

080 80 55087 87 36100 100 20 29125 125

450 415 398 408 430

30 92

200 240 155 392 90400

-1200*

160 16028

110175 175 71200 200 22 65

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Swivel head (-SK, NW 400)The adjustment of the nozzle can be done manually or electrically.WDA-F-400-SK-... / WDA-D-400-SK-...
WDA-K-400-SK-...

WDA-W-400-SK-...

Available sizes WDA-...-400-SK-...

1.) 6x bore ø8for mounting on site

insi

de

NW ød øA øC øE øG øK a α P H H1 M øB z400 400 845 950 800 808 910 20 20 110 335 375 375 795 220

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Electric actuator (only available from NW 063)Mounted externally (standard)
Section A-AWDA-D-...-SK-...-E...-... / WDA-F-...-SK-...-E...-...

Section A-AWDA-K-...-SK-...-E...-...

Section A-AWDA-W-...-SK-...-E...-...

Section A-AWDA-R-...-SK-...-E...-...

List of actuators Actuator internal Actuator externalNW 063 - 200 NW 063 - 200 NW 400

(230 V AC 3-point) E092 (Siemens GLB 331.2) E048 Belimo (NM230A-F) E008 (Belimo GM230A)(Standard, 24V AC, 0-10V DC) E091 (Siemens GLB 163.2E) E049 Belimo (NM24A-SR-F) E015 (Belimo GM24A-SR)(24V AC, 3-point) E090 (Siemens GLB 131.2E) E047 Belimo (NM24A-F) E007 (Belimo GM24A)

“AL” = Left-hand design (standard)0V = nozzles on topDirection of rotation: "R"

“AR” = Right-hand design0V = nozzles on topDirection of rotation "L"

For an externally fitted actuator,please make sure that the distance tothe ceiling or wall is greater than 10mm.Duct installation

insi

de

NW T

063-100 55125-400 95

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Mounted internally (-Al, at an extra charge, NW 400 not possible):WDA-D-...-SK-...-E...-... / WDA-F-...-SK-...-E...-... WDA-K-...-SK-...-E...-...
WDA-W-...-SK-...-E...-... WDA-R-...-SK-...-E...-...

For WDA-R-SK actuator internal / external no cover plate necessary!

Available sizes WDA-...-SK-...-E...-... / WDA-R-...-SK-...-E...-... (Mounted inside / outside)

* Larger diameters are also available upon request! For size 400, an actuator cannot be mounted internally!

inte

rnal

NW ød P øA øG øE øF H H2 øD2 b αActuator mountingexternal inside

063 63 104

250 208 215 198 170 250200

-1200*

1025

22

080 80 55087 87 36100 100 29 20125 125 92

450 408 415 398 240 400400

-1200*

90

30160 160 110

28175 175 71200 200 65 22400 400 110 845 808 770 752 375 x x x 20 x

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Reduction piece (-RS) (only available for NW 063 - 200)without swivel head / with or without swirl discWDA-W-...-RS-...
WDA-D-...-RS-...

with swivel head / with or without swirl discWDA-W-...-SK-...-RS-...

WDA-F-...-SK-...-RS-... / WDA-D-...-SK-...-RS-...

Available sizes -RS

Swirl disc (-DS 1/2)(only available for NW 063 - 200)

Swirl discs no. 1 and 2only differ by their differ-ent perforations. Theswirl discs can be mount-ed for all models.

Available sizes -DS

Damper (-DV)(only available for NW 400)

1.) 3 x indentation for slotted shallow-raised countersunk-head tap-ping screw DIN ISO 7051 pitch 3.9

exte

rnal

exte

rnal

exte

rnal

NW ød L1 øD1 P øD øA J1 N1 øG øK E063 63 148 98 104

185 250 130 230 208 230 215080 80 95 123 55087 87 80 138 36100 100 45 158 29125 125 179 198 92

360 450 200 300 408 430 415160 160 199 248 110175 175 155 278 71200 200 86 313 65

NW L ød øD063 163 63

185080 114 80087 95 87100 58 100125 192 125

360160 212 160175 168 175200 99 200

out

side

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Cover plate (-BR)(concealed mounting, only NW 063-200 available)
Available sizes -BR

(only available for NW 063 - 200)

Flange ring (-FR) (for WDA-K-400-SK-...)

Mounting on-site

NWWDA-D-...WDA-K-...

WDA-D-...-SK-...WDA-D-...-SK-...-E...-...

WDA-F-...-SK-...WDA-F-...-SK-...-E...-...

WDA-K-...-SK-...WDA-K-...-SK-...-E...-...

WDA-F-...WDA-W-...WDA-R-...

WDA-W-...-SK-...WDA-W-...-SK-...-E...-...

WDA-R-...-SK-...WDA-R-...-SK-...-E...-...

WDA-F-...WDA-F-...-SK-...

WDA-F-...-SK-...-E...-...WDA-D-...

WDA-D-...-SK-...WDA-D-...-SK-...-E...-...

WDA-K-...WDA-K-...-SK-...

WDA-K-...-SK-...-E...-...

WDA-W-...WDA-W-...-SK-...

WDA-W-...-SK-...-E...-...WDA-R-...-SK-...

WDA-R-...-SK-...-E...-...

øC b øC b øC b øC b øC b063 - 100 253 34 211 29 211 28 - - - -125 - 200 - - - - - - 452 49 412 40

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Ball impact guard (-BS)WDA-D-...-BS-... / WDA-K-...-BS-...
The models WDA-N-... / WDA-W-... / WDA-F-... / WDA-R-... are not available with ball impact guard.

NW ød øA øB øC øE øF øG øK063 63

250 342 398 215 198 208 230080 80087 87100 100125 125

450 542 598 415 398 408 430160 160175 175200 200

Number of fastening holes

NW 063-100 4NW 125-200 4

NW 400 8

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WDA-D-...-SK-...-BS-... / WDA-F-...-SK-...-BS-...
NW ød øA øB øC øE øF øG øK Hwith electric actuator

inside/ outsideH (inside) H (outside)

063 63

250 342 398 215 198 208 230

166 404080 80 117 355087 87 98 336100 100 91 329125 125

450 542 598 415 398 408 430

154 542160 160 172 560175 175 133 521200 200 127 515

Detail X

Fastening screw, on-site

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WDA-K-...-SK-...-BS-...
The models WDA-W-...-SK-... / WDA-W-...-SK-...-RA-... / WDA-W-...-SK-...-E...-... / WDA-W-...-SK-...-RA-...-E...-... are not availablewith ball impact guard.

NW ød øA øB øC øE øF øG øK Hwith electric actuator

inside/ outsideH (inside) H (outside)

063 63

250 342 398 215 198 208 230

284 404 284080 80 235 355 235087 87 216 336 216100 100 209 329 209125 125

450 542 598 415 398 408 430

342 542 342160 160 360 560 360175 175 321 521 321200 200 315 515 315

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Technical dataPressure loss and noise level

WDA-...-031-... / WDA-...-050-... WDA-...-063-... / WDA-...-100-...

WDA-...-125-... / WDA-...-200-...

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Jet angle α
Correction factor for swirl discWDA 063 - 200

α

α1

NW α α1WDA-...-031-... 7° 14°WDA-...-040-... 5° 10°WDA-...-045-... 6° 12°WDA-...-050-... 5° 10°WDA-...-063-... 6° 12°WDA-...-063-...-DS1-... 15° 30°WDA-...-063-...-DS2-... 21° 42°WDA-...-080-... 5° 10°WDA-...-080-...-DS1-... 25° 50°WDA-...-080-...-DS2-... 35° 70°WDA-...-087-... 5° 10°WDA-...-087-...-DS1-... 30° 60°WDA-...-087-...-DS2-... 35° 70°WDA-...-100-... 5° 10°WDA-...-100-...-DS1-... 20° 40°WDA-...-100-...-DS2-... 26° 52°

NW α α1WDA-...-125-... 6° 12°WDA-...-125-...-DS1-... 20° 40°WDA-...-125-...-DS2-... 26° 52°WDA-...-160-... 10° 20°WDA-...-160-...-DS1-... 20° 40°WDA-...-160-...-DS2-... 26° 52°WDA-...-175-... 8° 16°WDA-...-175-...-DS1-... 21° 42°WDA-...-175-...-DS2-... 26° 52°WDA-...-200-... 8° 16°WDA-...-200-...-DS1-... 26° 52°WDA-...-200-...-DS2-... 30° 60°

DS NW063 080 087 100 125 160 175 200

vmax1 x 0.80 x 0.72 x 0.62 x 0.59 x 0.76 x 0.69 x 0.65 x 0.622 x 0.65 x 0.40 x 0.35 x 0.31 x 0.64 x 0.57 x 0.53 x 0.47

yH1 x 0.93 x 0.75 x 0.70 x 0.62 x 0.91 x 0.84 x 0.80 x 0.762 x 0.65 x 0.30 x 0.25 x 0.27 x 0.84 x 0.77 x 0.72 x 0.67

y1 x 1.10 x 1.30 x 1.60 x 1.60 x 1.20 x 1.40 x 1.60 x 1.702 x 1.50 x 3.50 x 3.90 x 3.70 x 1.40 x 1.70 x 2.00 x 2.20

TV1 x 0.67 x 0.64 x 0.65 x 0.56 x 0.69 x 0.68 x 0.67 x 0.662 x 0.60 x 0.54 x 0.49 x 0.38 x 0.59 x 0.55 x 0.54 x 0.49

i1 x 1.20 x 1.40 x 1.50 x 1.70 x 1.30 x 1.40 x 1.50 x 1.602 x 1.60 x 2.60 x 2.80 x 3.20 x 1.50 x 1.70 x 1.90 x 2.10

Δpt1 x 1.04 x 1.08 x 1.10 x 1.15 x 1.03 x 1.10 x 1.13 x 1.202 x 1.10 x 1.30 x 1.42 x 1.69 x 1.06 x 1.14 x 1.20 x 1.38

LWA1 +6 +7 +8 +11 +5 +7 +8 +102 +10 +14 +18 +22 +7,5 +12 +14 +16,5

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WDA-...-RS-..., with reduction piece
Correction factor for swirl discWDA-...-063-...-RS-... / WDA-...-200-...-RS-...

DS NW063 080 087 100 125 160 175 200

Δpt1 x 1.02 x 1.09 x 1.17 x 1.21 x 1.06 x 1.065 x 1.08 x 1.112 x 1.09 x 1.25 x 1.33 x 1.54 x 1.12 x 1.12 x 1.17 x 1.22

LWA1 +4 +6 +8 +11,5 +4,5 +4,5 +8 +12 +8 +13 +16 +21 +8,5 +10 +13,5 +19

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WDA-...-400-... (without damper) WDA-...-400-..., damper OPEN 100 %
WDA-...-400-..., damper OPEN 75 % WDA-...-400-..., damper OPEN 50 %

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Maximum end velocity of jetWDA-...-031 - 050-... WDA-...-063 - 100-...

WDA-...-125 - 200-...

vmittel = vmax x 0.33

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Maximum penetrationWDA-...-031 - 050-... WDA -...-063 - 100-...

WDA-...-125 - 200-...

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Model for vertical nozzle mounting for cooling modeCorrection factors of the expected average velocity in vertical in-stallation of the nozzles
Calculation of the average velocity, relative to the ΔT for vertical-ly integrated nozzles.

Example:WDA-...-200-... at 250 m³/h, mounting height = 9.5 m, ΔT = - 6K:Head height = 9.5 m - 1.8 m = 7.7 my (m) would be 7.7 m according to SCHAKO's design program;since the nozzle is mounted horizontally according to the designprogram, the y value for vertically integrated nozzles must beentered under x (m)! x = 7.7 mAccording to the program, the maximum velocity in the isother-mal state is 0.344 m/s at head height. Taking into account a cor-rection factor of 0.4 at - 6 K without swirl disc, this gives anaverage velocity of 0.344 m/s x 0.4 = 0.137 m/s.

Result:WDA-...-200-... at 250 m³/h, mounting height = 9.5 m, delta T =- 6 K, Vmittel = 0.137 m/s at head height

If the velocity is too high, simply calculate again using the cor-rection factors of swirl disc no. 1 or 2.

ΔT [K] withoutSwirl disc

withSwirl disc no. 1

withSwirl disc no. 2

-4 0,3 0,26 0,19-6 0,4 0,31 0,24-8 0,5 0,36 0,27

-10 0,6 0,43 0,33

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Induction ratiosWDA-...-031 - 050-... WDA-...-063 - 100-...

WDA-...-125 - 200-...

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Temperature ratiosWDA-...-031 -050-... WDA-...-063 - 100-...

WDA-...-125 - 200-...

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DefinitionsCooling mode

Cooling mode example

IsothermExample of an isotherm

Heating modeHeating mode example

Assume: NW 100VZU = 250 m³/hx = 15 mΔTO = 8 K

Solution: LWA = 21,64 dB(A)Δpt = 54,42 Pavmax = 0,394 m/sTV = 0,033i = 47,43

Assume: NW 100VZU = 250 m³/hx = 15 m

Solution: LWA = 21,64 dB(A)Δpt = 54,52 Pavmax = 0,394 m/sTV = 0,033i = 47,43

Assume: NW 100αH = 20 °VZU = 250 m³/hx1 = 15 mΔTO = 8 K

Solution: LWA = 21,64 dB(A)Δpt = 54,52 Pavmax = 0,394 m/sy = 7,84 myH = 8,67 mTV = 0,033i = 47,43

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Further dataHorizontal throw (free jet)WDA-...-031 - 050-...

WDA-..-063 - 100-...

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WDA -...-125 - 200-...
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Connection diagrams of electric actuators

Make BelimoE048 (NM230A-F) / E008 (GM230A) /E047 (NM24A-F) / E007 (GM24A)

Make Siemens E092 (GLB 331.2.E)Three-point control

Make BelimoE049 (standard NM24A-SR-F E0) / E015 (GM24A-SR)

Make Siemens E091 (standard GLB 163.2.E)Steady control

Make Siemens E090 (GLB 131.2.E)Three-point control

⊥- ∼+N L1

0

1 2 3 1 2 3

01

01

⊥- ∼+N L1

OPEN/CLOSED control 3-point control

on s

ite

on s

ite

⊥- ∼+ DC 0 ... 10 V

1 2 3 5

DC 2 ... 10 V

Y

U

on site

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Technical data of electric actuators

Make Belimo E048 (NM230A-F)

Make Belimo E049 (NM24A-SR-F)

Make Belimo E047 (NM24A-F)

Make Siemens E092 GLB 331.2.E / E091 (GLB 163.2.E standard) / E090 (GLB 131.2.E)

Rated voltage: AC 100 ... 240 V, 50 / 60 HzFunctional range: AC 85 ... 265 VPower consumption- Operation: 2.5 W @ rated torque- Idle position: 0.6 W- Dimensioning: 6 VATorque(rated torque): Min. 10 Nm at the rated voltageRunning time: 150 sSound power level: max. 35 dB (A)Protection class: II protective insulationProtection type: IP54 in all mounting positionsEMC: CE according to 89 / 336 / EECLow voltage directive: CE according to 73 / 23 / EECAmbient temperature: -30 ... +50 °C

Rated voltage: AC / DC 24 V, 50 / 60 HzFunctional range: AC / DC 19.2 ... 28.8 VPower consumption- Operation: 2 W @ rated torque- Idle position: 0.4 W- Dimensioning: 4 VATorque(rated torque): Min. 10 Nm at the rated voltageActivation- Actuator signal Y: DC 0 ... 10 V, input resistance typ-

ically 100 kΩ- Operating range: DC 2 ... 10 VPositional feedback(measuring voltage U): DC 2 ... 10 V, max. 1 mARunning time: 150 sSound power level: max. 35 dB (A)Protection class: III Safety extra low voltageProtection type: IP54 in all mounting positionsEMC: CE according to 89 / 336 / EECAmbient temperature: -30 ... +50 °C

Rated voltage: AC / DC 24 V, 50 / 60 HzFunctional range: AC / DC 19.2 ... 28.8 VPower consumption- Operation: 1.5 W @ rated torque- Idle position: 0.2 W- Dimensioning: 3.5 VATorque(rated torque): Min. 10 Nm at the rated voltageRunning time: 150 sSound power level: max. 35 dB (A)Protection class: III Safety extra low voltageProtection type: IP54 in all mounting positionsEMC: CE according to 89 / 336 / EECAmbient temperature: -30 ... +50 °C

Supply AC 24 V (SELV / PELV)-Operating voltage / Frequency AC 24 V ±20 % / 50 / 60 Hz-Power consumption GLB13..2 2 VA / 1 W-GLB16..2 lifting rod is moving

3 VA / 2 W-GLB16..2 stopping state 1 W

Supply AC 230 V-Operating voltage / Frequency AC 230 V ±10 % / 50 / 60 Hz-Power consumption GLB33..2 2 VA / 1 WFunctional data-Nominal lifting power: 250 N-Running time for 60 mm stroke: 150 s (50 Hz) / 125 s (60 Hz)Actuator signal Y for GLB 16..2-Input voltage Y(wires 8-2)

DC 0...10 V, internally limit-ed to DC 10 V

-Max. allowedinput voltage DC 35 V

Position detector for GLB 16..2-Output voltage U(wires 9-2) DC 0...10 V / DC 10...0 V-Max. output current DC ± 1 mA

Housing protection type- Protection type according to

DIN 60 529 (Observe mounting informa-tion)

IP 40

Protection class-Insulation protection class EN 60 730Environmental conditions-Temperature -30...+55 °C / -30...+60 °C

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Make Belimo E008 (GM230A)
Make Belimo E015 (GM24A-SR)

Make Belimo E007 (GM24A)

Rated voltage: AC 100 ... 240 V, 50 / 60 HzFunctional range: AC 85 ... 265 VPower consumption- Operation: 4 W @ rated torque- Idle position: 2 W- Dimensioning: 7 VATorque(rated torque): Min. 40 Nm at the rated voltageRunning time: 150 sSound power level: max. 45 dB (A)Protection class: II protective insulationProtection type: IP54 in all mounting positionsEMC: CE according to 89 / 336 / EECLow voltage directive: CE according to 73 / 23 / EECAmbient temperature: -30 ... +50 °C

Rated voltage: AC / DC 24 V, 50 / 60 HzFunctional range: AC / DC 19.2 ... 28.8 VPower consumption- Operation: 4.5 W @ rated torque- Idle position: 2 W- Dimensioning: 7 VATorque(rated torque): Min. 40 Nm at the rated voltageActivation- Actuator signal Y: DC 0 ... 10 V, input resistance typ-

ically 100 kΩ- Operating range: DC 2 ... 10 VPositional feedback(measuring voltage U): DC 2 ... 10 V, max. 1 mARunning time: 150 sSound power level: max. 45 dB (A)Protection class: III Safety extra low voltageProtection type: IP54 in all mounting positionsEMC: CE according to 89 / 336 / EECAmbient temperature: -30 ... +50 °C

Rated voltage: AC / DC 24 V, 50 / 60 HzFunctional range: AC / DC 19.2 ... 28.8 VPower consumption- Operation: 4 W @ rated torque- Idle position: 2 W- Dimensioning: 6 VATorque(rated torque): Min. 40 Nm at the rated voltageRunning time: 150 sSound power level: max. 45 dB (A)Protection class: III Safety extra low voltageProtection type: IP54 in all mounting positionsEMC: CE according to 89 / 336 / EECAmbient temperature: -30 ... +50 °C

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LegendVZU (m³/h) [l/s] = Supply air volumeVX (m³/h) [l/s] = Total air jet volume at point xx+y (m) = Horizontal and vertical throwx (m) = Horizontal throwy (m) = Vertical throwDEH (m) = Nozzle mounting heightZ (m) = Horizontal distance from the nozzle to the

intersection of two jetsS = Approx. length of throw (isotherm)AB = Occupied areaαK (°) = Angle of throw in cooling modeαH (°) = Angle of throw in heating modeΔpt (Pa) = Pressure lossΔTO (K) = Temperature difference between supply air

temperature and room temperature (ΔTO =tZU - tR)

ΔTOH (K) = Temperature difference between air supplyand room temperature in heating mode(ΔTOH = tZUH - tRH)

ΔTX (K) = Temperature difference at point xtZU (K) = Supply air temperaturetR (K) = Room temperatureLWA [dB(A)] = A-weighted sound power levelvmax (m/s) = Maximum end velocity of jetvmittel (m/s) = Average end velocity of jetyH (m) = Maximum penetration in heating modeTV = Temperature ratio (TV = ΔTX / ΔTO)i (-) = Induction ratio (i = VX / VZU)ρ (kg/m³) = DensityDS = Swirl discNW (mm) = Nominal widthHe (m) = HeatingKü (m) = Cooling

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Order code WDA

SampleWDA-W-125-SK-9010-DS1-RO-BO-BR-DO-E049-AL-0000

Long throw nozzle type WDA | spiral duct connection | size 125 | with swivel head | RAL 9010 white | with swirl disc 1 | without reduction piece | without ball impact guard | with cover plate | without damper| with external actuator 24VAC / 0-10VDC | mo-tor mounted outside on the left | no saddle bracket design

Order details

01 - Type

02 - Model

03 - Nominal size

04 - Swivel head

05 - Paint

06 - Swirl disc

07 - Reduction piece

08 - Ball-impact guard

09 - Cover plate / flange ring

10 - Damper

01 02 03 04 05 06 07

Type Model Nominal size Swivel head Paint Swirl disc Reduction pieceExample

WDA- -W -125 -SK -9010 -DS1 -RO

08 09 10 11 12 13

Ball-impact guard

Cover plate/flange ring

Damper Actuator Mounting positionActuator

Duct diameterSaddle bracket design

Example

-BO -BR -DO -E049 -AL -0000

WDA = Long throw nozzle model WDA

N = only nozzleF = for flexible duct connectionW = For spiral duct connectionD = For ceiling and wall mounting K = for duct installationR = for duct connection with saddle bracket, not for size

400

031 = Nozzle opening 31 mm040 = Nozzle opening 40 mm045 = Nozzle opening 45 mm050 = Nozzle opening 50 mm063 = Nozzle opening 63 mm080 = Nozzle opening 80 mm087 = Nozzle opening 87 mm100 = Nozzle opening 100 mm125 = Nozzle opening 125 mm160 = Nozzle opening 160 mm175 = Nozzle opening 175 mm200 = Nozzle opening 200 mm400 = Nozzle opening 400 mm

SO = without swivel head (standard)SK = with swivel head (not possible for NW 050)

9010 = RAL colour (standard)Xxxx = RAL colour can be freely selected

DSO = without swirl disc (standard)DS1 = with swirl disc 1 (not for NW 031, 040, 045, 050 and

400)DS2 = with swirl disc 2 (not for NW 031, 040, 045, 050 and

400)

RO = without reduction piece (standard)RS = with reduction piece (not for NW 031, 040, 045,

050 and 400, not for models R and K)

BO = without ball-impact guard (standard)BS = with ball impact guard (not for NW 031, 040, 045,

050, 400, not for models W and R)

BN = without cover plate / without flange ring (standard)BR = with cover plate (not for NW 031, 040, 045, 050

and 400)FR = with flange ring only WDA-K-400-...

DO = without damper (standard)DV = with damper (for NW 400 only)

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11 - Actuator
12 - Actuator mounting position

13 - Duct diameter for saddle bracket design

E000 = without actuatorE007 = 24VAC / 3-point (actuator outside, for NW 400 only)E008 = 230VAC / 3-point (actuator outside, for NW 400 only)E015 = 24VAC / 0-10VDC (actuator outside, for NW 400

only)E047 = 24VAC / 3-point (actuator outside, for NW 063-200)E048 = 230VAC / 3-point (actuator outside, for NW 063-200)E049 = 24VAC / 0-10VDC (actuator outside, for NW 063-

200)E090 = 24VAC / 3-point (actuator inside, for NW 063-200)E091 = 24VAC / 0-10 VDC (actuator inside, for NW63-200)E092 = 230VAC / 3-point (actuator inside, for NW 063-200)

AA = without actuator (standard)Model AL

= Motor mounted externally on the left (standard for motor mounting)

AR = Motor mounted externally on the rightAI = Motor mounted internally

0000 = no saddle bracket designxxxx = Diameter for connection pipe given in mm to four

digits for saddle bracket design WDA-R

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Specification textsLong throw nozzle for air-conditioning of large and high rooms,such as halls, theatres or concert halls. The cone-shaped bodyof the nozzle increases air velocity ensuring a stable core jet.This results in very long throws. The dynamic internal construc-tion of the jet nozzle allows a very high exit velocity at low noiselevels and high induction. The technical data is secured andguaranteed by measurements and documentation in Schako'sown fluid dynamics and acoustics laboratory. Suitable for cool-ing and heating modes. A wide range of connection and instal-lation options such as wall, ceiling, duct or pipes. Consists ofthe nozzle part made of aluminium painted with a high-qualitypowder coating to a RAL colour (RAL 9010, white, standard).Suitable for use in VAV systems.

Product: SCHAKO type WDA-N-...

Accessories:

NW Volumetric flows in m³/h at:35 dB (A) 40 dB (A)

031 58 71040 92 110045 108 130050 120 145063 205 245080 315 370087 340 420100 400 485125 720 900160 1000 1220175 1100 1350200 1285 1550400 4200 5000

- For flexible duct connection, with mounting ring and connec-tion spigot.Product: SCHAKO type WDA-F-...

- For spiral duct connection, with mounting ring and connec-tion spigot.Product: SCHAKO type WDA-W-...

- For ceiling / wall mounting, with mounting ring and connectionspigot.Product: SCHAKO type WDA-D-...

- For duct installation, with mounting ring.Product: SCHAKO type WDA-K-...

- for duct connection, using saddle bracket (NW400 not possi-ble).Product: SCHAKO type WDA-R-...

- Swivel head (-SK) for adjusting air outlet direction, withoutany change in the pressure loss or noise level, consisting of:- Aluminium painted with a high-quality powder coating to

the RAL colour of the nozzle (standard RAL 9010, white)(not possible for NW 050)

- Swirl disc (-DS) consisting of sheet steel painted with a high-quality powder coating to RAL 9005 (black) which increasesinduction, reducing length of throw and end velocities of jet(NW 063 - 200). Model 1 or 2

- Reduction piece (-RS) for connecting small pipe diameters,made of sheet steel painted with a high-quality powder coat-ing to the colour of the nozzle(only WDA-F/W-... NW 063 - 200 possible).

- Electric actuator(only available with swivel head NW 063 - 400):- Actuator mounted externally on the left (-AL, standard)- Actuator mounted externally on the right (-AR)- Actuator mounted internally (-AI, at an extra charge)

(not possible for NW 400)- (230 V AC, 3-point activation)- (24 V AC, 0 - 10V; standard model)- (24 V AC, 3-point activation)

- Cover plate (-BR) for covering the fixing and fasteningscrews, made of sheet steel painted with a high-quality pow-der coating in the same color as the nozzle (only NW 063-200available)

- Damper (-DV), for manual volumetric flow adjustment, madeof galvanised sheet steel (only NW 400)

- Ball impact guard, made of steel painted with a high-qualitypowder coating to RAL 9010 (white) (NW 63-200 only) (notfor models -W and -R)

- Flange ring (-FR), (only WDA-K-400-SK-...) for mounting thenozzle housing on the wall

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