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HARMONY SD - Swirl Diffuser Current Range

High induction CAV & VAV swirl diffuser with fixed horizontal discharge direction, for installation flush with ceiling or free-hanging.

Volume flow range

  • 12 – 400 L/s (43 – 1440 m³/h)

Nominal size

  • DN200 (square face suitable for 300 mm - 600 mm ceiling grid, or circular face)
  • DN250 (square face suitable for 300 mm - 600 mm ceiling grid, or circular face)
  • DN350 (square face suitable for 400 mm - 600 mm ceiling grid, or circular face)
  • DN500 (square face suitable for 600 mm ceiling grid, or circular face)

Discharge height

  • 2.4 – 4.5 m

Features

  • 360° (4-way blow) horizontal discharge pattern.
  • Suitable for VAV turning down to approximately 30% @ âˆ†Tsupply-room ≈ -12 K.
  • Neck reducers available to reduce effective neck size to suit reduced airflow rates.
  • Segment covers available for 3-way blow (270°) or 2-way blow (2x90° or 180°) patterns.
  • Square face standard, circular face optional.
  • Optional square perforated screen available to cover face.
  • May be freely suspended or located in closed ceiling.
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Performance calculator - (xls)

More than 60 years of Temperature Control

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