LK - SCHAKO · 01 - Type 02 – Blades 03 - Length Specification texts Supply and return air grille...
Transcript of LK - SCHAKO · 01 - Type 02 – Blades 03 - Length Specification texts Supply and return air grille...
Ferdinand Schad KGSteigstraße 25-27
D-78600 KolbingenTelephone +49 (0) 74 63 - 980 - 0
Fax +49 (0) 74 63 - 980 - [email protected]
Ventilation grilleLK
Contents
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Ventilation grille LK
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Description ........................................................................................................................................3Construction .............................................................................................................................................................................. 3Model ......................................................................................................................................................................................... 3Accessories ................................................................................................................................................................................ 3Fastening ................................................................................................................................................................................... 3
Models and dimensions .........................................................................................................................3Dimensions ................................................................................................................................................................................ 3Dimensions of accessories ........................................................................................................................................................ 4Fastening methods ..................................................................................................................................................................... 4
Technical data ....................................................................................................................................5Pressure loss and noise level ..................................................................................................................................................... 5Maximum end velocity of jet ...................................................................................................................................................... 7Jet path ...................................................................................................................................................................................... 8Critical jet path ........................................................................................................................................................................... 8Maximum penetration ................................................................................................................................................................ 9Induction and temperature ratios ............................................................................................................................................. 10Minimum distances ................................................................................................................................................................. 10Correction factor (for scattered air jet) ..................................................................................................................................... 11
Legend ........................................................................................................................................... 11Order code LK ................................................................................................................................... 12Specification texts .............................................................................................................................. 12
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DescriptionVentilation grille type LK-1Supply and return air grille with front frame and circumferentialfoam seal. With front side individually adjustable, horizontal airdeflection blades.
Construction
Model
Accessories
Fastening
Models and dimensionsDimensionsLK-1
With intermediate rail for lengths from 525 (see page 4)
All models based on the basic type LK 1LK-2
LK-3
Available sizes
All combined lengths and heights available!
Grilles- Plastic (Hostalit Z), colour grey
Blades- Plastic (Hostalit Z), colour grey
LK-1 - horizontal air deflection bladesLK-2 - Horizontal air deflection blades with vertical indi-
vidually adjustable air bladesLK-3 - Horizontal air deflection blades with vertical indi-
vidually adjustable ladle blades
Installation frame (-ER1)- Electrolytically galvanised sheet steel
Installation frame with wall anchors (-ER2)- Electrolytically galvanised sheet steel
Screw mounting (-SM)- Standard, screws must be provided on site, concealed
mounting not possible
L L1 L2 H H1 H2 H3325 354 309 75 109 60 64425 454 409 125 159 110 114525 554 509 225 259 210 214625 654 609 325 359 310 314825 854 809
1025 1054 10091225 1254 1209
Indentation for slotted shallow-raised countersunk-head tapping screw DIN ISO 7051pitch 3.9 (on-site)
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Dimensions of accessoriesInstallation frame without wall anchors (-ER1)Installation frame with wall anchors (-ER2)
Wall anchors available at an extra charge only.
Fastening methodsScrew mounting (-SM)L=325-425
L=525-825
L=1025-1225
Length L ≤ 825 mm = 4 wall anchorsLength L ≥ 1025 mm = 6 wall anchors
Wall anchors
Indentation for slotted shallow-raised countersunk-head tapping screw DIN ISO 7051 pitch 3.9 (on-site)
Indentation for slotted shallow-raised countersunk-head tapping screw DIN ISO 7051 pitch 3.9 (on-site)
Intermediate rail
Intermediate rail
Indentation for slotted shallow-raised countersunk-head tapping screw DIN ISO 7051 pitch 3.9 (on-site)
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Technical dataPressure loss and noise levelFront side velocitySupply air
Return air
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Supply air Return air
Supply and return airFace area (m2)
Correction factorSupply air
Return air
H L325 425 525 625 825 1025 1225
75 0,019 0,025 0,03 0,036 0,047 0,058 0,069125 0,032 0,042 0,053 0,063 0,084 0,105 0,126225 0,062 0,082 0,103 0,123 0,164 0,205 0,246325 0,092 0,122 0,153 0,183 0,244 0,305 0,366
Astirn (m2)
Astirn (m2) 0,012 0,025 0,05 0,1 0,16 0,2 0,4 KF (-) -9 -6 -3 0 +2 +3 +6
Astirn (m2) 0,01 0,02 0,04 0,08 0,16 0,32 0,4 KF (-) -9 -6 -3 0 +3 +6 +7
LWA = LWA1 + KF
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Maximum end velocity of jetSupply air without coanda effect
Supply air with coanda effect
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Jet pathSupply air without coanda effect
Critical jet pathSupply air with coanda effect
Heating
Cooling
Jet detachment
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Maximum penetrationIn heating mode
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Induction and temperature ratiosSupply air without coanda effect
Supply air with coanda effect
Minimum distancesSupply air without coanda effect
Supply air with coanda effect
If the selected minimum distance "D" isless than (x ×0.2), the grille is referred toas a grille band.
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Correction factor (for scattered air jet)
Legend
Blade position 44° 84°End velocity of jet vmax (m/s) × 0.65 vmax (m/s) × 0.5Critical throw xkr × 0.77 × 0.6TV = ΔTx / ΔT0 × 0.65 × 0.5Induction ratio i × 1.3 i × 2Jet drop - Jet rise y × 1.3 y × 2Grille distance z(m)> x × 0.20 x × 0.25
VZU (m³/h) [l/s] = Supply air volumeVAB (m³/h) [l/s] = Return air volumeVX (m³/h) [l/s] = total air jet volume at point xvmax (m/s) = Maximum end velocity of jetvK (m/s) = Duct velocityvstirn (m/s) = Intake velocity, blower stream velocity,
outflow velocity, relative to Astirn
Astirn (m²) = Face areax (m) = horizontal throwy (m) = vertical throwxkr (m) = Critical throwρ (kg/m³) = DensityΔpt (Pa) = Pressure lossLWA [dB(A)] = A-weighted sound power level
[LWA = LWA1 + KF]LWA1 [dB(A)] = A-weighted sound power level, relative to
Astirn, = 0.08 m² KF (-) = Correction factorΔTO (K) = Temperature difference between supply
air temperature and room temperature(ΔTO = tZU - tR )
ΔTOH (K) = Temperature difference between air sup-ply and room temperature in heatingmode(ΔTOH = tZUH - tRH )
ΔTX (K) = Temperature difference at point xtzu (°C) = Supply air temperaturetR (°C) = Room temperaturei (-) = Induction ratio (i = VX / VZU)TV (-) = Temperature ratio (TV = ΔTX / ΔTO )z (m) = Minimum clearance between two grilles x
(m) x 0.2RH (mm) = Room heightRB (mm) = Room widthL (mm) = LengthB (mm) = WidthH (mm) = Height
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Order code LK
All fields must be filled when ordering
SampleLK-1-0625-125-SM-ER0
Ventilation grille type LK | horizontal, individually adjustable air deflection blades on the front side | grille length 625 mm | grille height 125 mm | with screw mounting | without installation frame
ORDER DETAILS01 - Type
02 – Blades
03 - Length
Specification textsSupply and return air grille type LK-1 made of plastic (HostalitZ), colour grey. With individually adjustable, horizontal air de-flection blades on the front side and visible screw mounting (-SM).Product: SCHAKO type LK-1
Accessories:
04 - Height
05 - Mounting
06 - Installation frame
01 02 03 04 05 06
Type Blades Length Height Mounting Installation frameExample
LK -1 -0625 -125 -SM -ER0
LK = Ventilation grille type LK
1 = horizontal, individually adjustable air deflection blades on the front side
2 = same as LK-1, additionally with vertical, individually adjustable air deflection blades
3 = same as LK-1, additionally with vertical, individually adjustable ladle blades
0325 = Grille length 325 mm0425 = Grille length 425 mm0525 = Grille length 525 mm0625 = Grille length 625 mm0825 = Grille length 825 mm1025 = Grille length 1025 mm1225 = Grille length 1225 mm
- Type LK-2, additionally with vertical, individually adjustable air deflection blades. Product: SCHAKO type LK-2
- Type LK-3, additionally with vertical, individually adjustable plastic ladle blades. Product: SCHAKO type LK-3
- Mounting frame (-ER1), comprising electrolytically galva-nised sheet steel.
- Installation frame with wall anchors (-ER2) made of electro-lytically galvanised sheet steel
075 = Grille height 75 mm125 = Grille height 125 mm225 = Grille height 225 mm
SM = with screw mounting (standard, concealed mounting not possible)
ER0 = without installation frameER1 = with installation frameER2 = With mounting frame with wall anchors