Product data

Sound Data "Hydronic Cassette" Fan Coils (A Weighted)
Model Sound Sound Fan Sound Power Data Octave Band (dBa)
Pressure (dBa) Power (dBa) Speed 125 250 500 1000 2000 4000 8000
42.0 50.3 High 52.0 52.0 50.0 44.0 37.0 28.0 20.0
42WKN004 31.9 40.2 Medium 44.0 43.0 40.0 32.0 26.0 20.0 --
20.8 29.1 Low 35.0 32.0 26.0 23.0 20.0 -- --
42.6 50.9 High 52.0 53.0 50.0 45.0 39.0 30.0 21.0
42WKN008 33.0 41.3 Medium 46.0 44.0 41.0 33.0 29.0 20.0 --
21.6 29.9 Low 36.0 33.0 27.0 23.0 21.0 -- --
47.6 55.9 High 52.0 59.0 54.0 49.0 46.0 42.0 33.0
42WKN010 41.6 49.9 Medium 50.0 52.0 49.0 43.0 40.0 33.0 22.0
34.4 42.7 Low 45.0 45.0 42.0 35.0 33.0 22.0 --
45.6 53.9 High 56.0 56.0 53.0 47.0 44.0 35.0 27.0
42WKN016 36.6 44.9 Medium 49.0 47.0 44.0 38.0 34.0 22.0 20.0
24.8 33.1 Low 38.0 36.0 31.0 26.0 24.0 -- --
51.7 60.0 High 57.0 63.0 58.0 52.0 51.0 48.0 39.0
42WKN020 45.4 53.7 Medium 53.0 55.0 52.0 48.0 45.0 35.0 24.0
39.8 48.1 Low 49.0 50.0 48.0 40.0 38.0 25.0 --
Note:
1) Sound levels are taken in accordance with ARI Sound Standard 350
2) Sound Pressure data is measured at 1m from the unit.
Legend
ARI - Air Conditioning & Refrigeration Institute
dBa - Decibels on the A scale CLICK HERE FOR IN-CEILING CASSETTE