Slot diffusers, Round duct diffusers IMP Klima 04 Slot diffusers Round duct diffusers 176

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5 B 0 LD- F 9. φ D H H a A E 7 LD- F A 7 E

6 LD-/ LD-/ LD- O/ LD- O/ LD- O/ LD- O/ LD-/ LD-/ LD-/ LD-/ LD-/ LD-/ LD- O/ LD- O/ LD- O/ LD- O/

7 x 98 x x 98 x x x 8 x 8 x 58 x x 8 x 8 x 58 x 58 x 98 x 8 x 58 x 58 x 98 x 98 x x 58 x 98 x 98 x J L/ L/ J L/ 00 0 J = J =

8 Fixing with self-tapping screws (U) Fixing with spring clamps (S) Fixing with a cross-member (Z) Installation with a threaded bar (R) Installation with wire (R) Installation with suspension bracket (P) Installation with special fastening elements (R) Installation with springs into ducts (N)

9 LD- a b Discharge direction Min. air flow rate Max. air flow rate Standard (left, right) Standard (right) c d 0 Discharge angle LD- Standard (left) Standard (vertical) Discharge direction Min. air flow rate Max. air flow rate e f g Discharge angle Air jet angle 0 (left, right) Air jet angle 0 (right) Air jet angle 0 (left) Top view

10 Length L=00, 00, 0,, 00 (single piece) Type of air discharge (a, b, c, d, e, f, g) Thermal insulation (polyethylene), 5 mm thick, on the outside of the plenum box Sound and thermal insulation (from -0 C to 05 C), 9 mm thick, on the outside of the plenum box (synthetic rubber based material) Sound and thermal insulation (from -0 C to 05 C), 9 mm thick, on the outside of the plenum box (synthetic rubber based material) Installation with spring clamps without plenum box (LD- and LD- only) Installation of the plenum box with hangers Installation with brackets built in the basic section Fixing of the diffuser to the plenum box with a cross-member Fixing of the diffuser to the plenum box with spring clamps Fixing of the diffuser to the plenum box with self-tapping screws Volume control damper Plenum box End sealing on both ends End sealing on one end End plate on both ends End plate on one end Rail-type without end sealings and plates Black deflectors White deflectors Number of slots Slot diffuser Narrow slot diffuser Please specify the deflector colour in your order. Standard eloxal colour of the aluminium section is the original aluminium colour. Other colours shall be specified in the order. For the LD- 0 and LD- 0 type, the following end seals are available: F, FT and T. When installing in cooling ceilings, consult the manufacturer. In the case the slot diffuser is ordered complete with plenum box, the air jet configuration is set as shown on the drawing on page 8. Versions with insulation on the inside of the plenum box are also available.

11 B B L H H M B

12 Length Thermal insulation (polyethylene), 5 mm thick, on the outside of the plenum box Sound and thermal insulation (from -0 C to 05 C), 9 mm thick, on the outside of the plenum box (synthetic rubber based material) Sound and thermal insulation (from -0 C to 05 C), 9 mm thick, on the outside of the plenum box (synthetic rubber based material) Plenum box, front side connection Plenum box, back side connection End sealing on both ends End sealing on one end End plate on both ends End plate on one end Rail-type without end sealings and plates Black deflectors White deflectors Number of slots For wall installation Slot diffuser type Please specify the deflector colour in your order. Standard eloxal colour of the aluminium section is the original aluminium colour. Other colours shall be specified in the order. Versions with insulation on the inside of the plenum box are also available.

13 A(m²) Q(m³/h) L WA (db) Nr. Število of slots rež LD- LD Q(m /hm) A L L x L x A L x Air flow rate to length Horizontal distance to the wall Room height Throw distance (L=H+x) Air velocity at the throw distance L Temperature difference between the supply and room air Difference between the core and room air temperature Pressure drop Sound power level Air velocity at the distance H Distance between diffusers, in length and in width Throw distance H VH th VL tl VL tl H VH th VL tl

14 L L H (m).. LD- / LD- / LD- / LD- / LD- / LD- / LD- / LD- / V H (m/s) A (m) V (m/s) L (m) V H (m/s) H (m).. LD- / LD- / LD- / LD- / A (m) (m³/hm) V (m/s) LD- / LD- / LD- / LD- / (m³/hm) L (m)

15 H (m).. LD- / LD- /.5 L 0.8 V H (m/s) A (m) V L (m/s) L (m) H (m)...5 LD- / LD- / 0.7 V H (m/s) V (m/s) A (m) L (m)

16 p (Pa) t L w A (db(a) ) Q (m /h) x x. x 0.87 x. x x.0 x 0.85 x.0 x x 5. x 0.8 x.7 x x 7.7 x 0.8 x 5.8 Q = m³/h L = 000 mm p t = Pa (vertical; damper opened) p t = x.0 =. Pa (vertical; damper closed) p t = x 0.85 =.9 Pa (horizontal; damper opened) p t = x.0 =. Pa (horizontal; damper closed) L WA = db(a) p t (Pa) L w A (db(a) ) Q (m /h) x x.9 x 0.8 x.79 x x 5.9 x 0.70 x 5. x x 9.88 x 0.58 x 8.7 x x.0 x 0.7 x.99 Q = m³/h L = 0 mm p t = Pa (vertical; damper opened) p t = x.9 =.0 Pa (vertical; damper closed) p t = x 0.8 = 8.9 Pa (horizontal; damper opened) p t = x.79 = 9. Pa (horizontal; damper closed) L WA = 0 db(a)

17 p (Pa) t t L w A (db(a) ) Q (m /h) p (Pa) L w A (db(a) ) Q (m /h) x x.7 x 0.8 x. x x 8.5 x 0.5 x7.59 x x. x 0. x.8 x x.8 x 0.8 x 8.9 x x.08 x 0.70 x.9 x x.07 x 0.7 x 9.87 x x 8.85 x 0.7 x.7 x x 7.07 x 0.5 x.78 Q = 00 m³/h L = 000 mm p t = 5 Pa (vertical; damper opened) p t = 5 x 8.5 = 7.8 Pa (vertical; damper closed) p t = 5 x 0.5 = 8. Pa (horizontal; damper opened) p t = 5 x 7.59 =.8 Pa (horizontal; damper closed) L WA = 9 db(a) Q = 00 m³/h L = 0 mm p t = 5 Pa (vertical; damper opened) p t = 5 x.08 = 07.8 Pa (vertical; damper closed) p t = 5 x 0.70 =.5 Pa (horizontal; damper opened) p t = 5 x.9 = 0.8 Pa (horizontal; damper closed) L WA = db(a)

18 p (Pa) t t L w A (db(a) ) Q (m /h) x x.8 x 0.7 x. x x.8 x 0. x. x x 5.80 x 0.8 x 5. x x 7.87 x 0.9 x 7.07 Q = 00 m³/h L = 000 mm p t = Pa (vertical; damper opened) p t = x.8 =. Pa (vertical; damper closed) p t = x 0. =.0 Pa (horizontal; damper opened) p t = x. = 07.0 Pa (horizontal; damper closed) L WA = 8 db(a) 0 00 p (Pa) L w A (db(a ) ) Q (m /h) x x. x 0.5 x.59 x x 8.8 x 0.9 x 7.9 x x 5. x 0. x. x x. x 0. x.70 Q = 00 m³/h L = 0 mm p t = 7 Pa (vertical; damper opened) p t = 7 x. = 99. Pa (vertical; damper closed) p t = 7 x 0.5 =.9 Pa (horizontal; damper opened) p t = 7 x.59 = 7.7 Pa (horizontal; damper closed) L WA = db(a)

19 p (Pa) t t L w A (d B(A ) ) p (Pa) L w A (db(a) ) Q (m /h) x x. x 0. x.87 x x.8 x 0.9 x.9 x x.9 x 0. x.7 x x.7 x 0. x. x x. x 0.8 x. x x 8.0 x 0.5 x. x x. x 0. x 8. x x 7.79 x 0.0 x 9. Q = 00 m³/h L = 000 mm p t = 8 Pa (vertical; damper opened) p t = 8 x.8 = 9.5 Pa (vertical; damper closed) p t = 8 x 0.9 =. Pa (horizontal; damper opened) p t = 8 x.9 = 8. Pa (horizontal; damper closed) L WA = 8 db(a) Q = 00 m³/h L = 0 mm p t = 70 Pa (vertical; damper opened) p t = 70 x. = 9.8 Pa (vertical; damper closed) p t = 70 x 0.8 = 9. Pa (horizontal; damper opened) p t = 70 x. = 70. Pa (horizontal; damper closed) L WA = db(a)