Linear diffuser. Dimensions. Description

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1 Dimensions -- + D -- Description is a rectangular linear diffuser in aluminium. is suitable for both supply and exhaust air. is equipped with air guide baffles, making it possible to use for horizontal supply air. + D The horizontal dispersal pattern can be easily changed without the use of tools by turning the air guide baffle. The air guide baffle must be removed for vertical supply air. can be supplied in two versions, or, depending on capacity requirements or aesthetic considerations. can be installed with plenum box ST/STU in order to achieve an even flow and individual adjustment. is normally supplied in lengths up to max. m, but can be supplied on request up to m. MTZ- is a 0 o joint, when an aesthetically pleasing corner is required. Discrete appearance Used for both supply air and exhaust Horizontal and vertical supply air. Maintenance can be removed to enable cleaning of internal parts or to gain access to the duct or box. The visible parts of the diffuser can be wiped with a damp cloth. oth ends are equipped with flanges. Slot width: No. of slots 0 utout: + x + Slot width: No. of slots utout: + x + 0 D D Order code Product aa b cccc Type Slot size No. of slots ength () Materials and finish Slot: luminium Standard finish: Natural anodised ir guide baffle: lack S plastic The diffuser is available in other colours. Please contact indab s sales department for further information. We reserve the right to make changes without prior notice 0-0-

+ D The horizontal dispersal pattern can be easily changed without the use of tools by turning the air guide baffle. The air guide baffle must be removed for vertical supply air.

2 ccessories MTZ- + Installation in plenum box ST/STU self-tapping screw is fitted through the slot up into the perforated surface of the plenum box. -- ST STU + -- MTZ- MTZ- 0 MTZ is supplied as two mitred ends (not one piece). Installation of slots in continuous strips Ordering example Product MTZ- aa b Type Slot size No. of slots The slots are often installed in continuous strips, where there is a need to join the slots, so that it resembles a single piece. In these cases, the full length must be specified when ordering, and the slots will be supplied adjusted to the total length. The outermost pieces will be equipped with end pieces, and the middle pieces will be supplied without end pieces. The slots are joined using the accompanying pins. We reserve the right to make changes without prior notice 0-0-

of slots The slots are often installed in continuous strips, where there is a need to join the slots, so that it resembles a single piece.

3 Technical data apacity Volume flow q v [l/s] and [m /h], total pressure Δp t [Pa], throw l 0. [m] and sound power level W [d()] can be seen in the diagrams. Throw l 0. Throw l 0. [m] at a speed of 0. m/s and m slot length can be seen in the diagrams. orrection of throw at other slot lengths: see table. Table : orrection of throw Slot length orrection factor 0, 0,,, Frequency-related sound effect level The sound effect level in the frequency band is defined as W +K ok. K ok values for with box - see table. and. below. Table.: K ok values [d] for with sloth width. --x + ox Mean frequency Hz No. of slots (x) 0 K K K K Table.: K ok values [d] for with sloth width. --x + ox Mean frequency Hz No. of slots (x) 0 K K K K Table : orrection for other slot lengths Slot length correction [d()] Sound attenuation Sound attenuation Δ [d] of +ST including the end reflection, corresponding to the inlet diameter. See table below. Table : Sound attenuation Δ [d] Mean frequency Hz No. of slots 0 K K K K alancing alancing data for control of air volume is available in a separate brochure. Sample calculation: Required data: Volume of air 0 m /h Throw. m Horizontal supply air Slot length. m, i.e. [(m /h)/m] Solution: -slot version is selected: Throw according to diagram:. m Throw correction according to table :. x. =. m Pressure loss and sound level according to diagram: Open damper: losed damper: Pa, d() Pa, d() orrection according to table : Open damper: + = d() losed damper: + = d() We reserve the right to make changes without prior notice 0-0-

Table : orrection of throw Slot length 0 00 00 orrection factor 0, 0,,, Frequency-related sound effect level The sound effect level in the frequency band is defined as W +K ok.

4 Technical data Horizontal supply air b v = 0.00 l 0, l b = 0. l 0, l b bv Vertical l 0. [m] - bh b h = 0.0 l 0, + l b = 0. l 0, l b l 0. [m] Vertical supply air Throw Horizontal lb lb l 0. [m] - b h b h Throw Horizontal l 0. [m] - b h = 0.0 l 0, + l b = 0. l 0, b h = 0. l 0, l b = 0. l 0, Vertical l 0. [m] l 0. [m] l 0. [m] l 0. [m] We reserve the right to make changes without prior notice 0-0-

[m] - b h = 0.0 l 0, + l b = 0. l 0, b h = 0. l 0, l b = 0. l 0, Vertical l 0. [m] l 0. [m] 0 0 0 0 0 0 0 0 0 0 00 - l 0.

5 Horizontal-Supply ST ST ST ST Vertical-Supply ST ST ST ST We reserve the right to make changes without prior notice 0-0-

0 0 -- + ST 0 0 0 0 0 0 0 0 0 0 -- + ST 0 0 0 0 0 0 0 0 0 0 0 0 -- + ST 0 0 0 0 0 0 0 0 0 0 00

6 Horizontal-Supply ST ST ST ST Vertical-Supply ST ST ST ST We reserve the right to make changes without prior notice 0-0-

0 0 0 0 -- + ST 0 0 0 0 0 0 0 0 0 0 -- + ST 0 0 0 0 0 0 0 0 0 0 -- + ST 0 0 0 0 0 0 0 0 0

7 Exhaust air- Exhaust air STU STU STU STU STU STU STU STU We reserve the right to make changes without prior notice 0-0-

--+STU 0 0 0 0 0 --+STU 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 -- + STU 0 0 0 0 0 0 0 0

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