Daikin FUD Series, Technical Manual, Page: 25 / 131

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Sound Data
Sound Data
Sound Pressure Level
Model Speed
1/1 Octave A-Weighted Sound Pressure (dBA), ref 20µPa Overall
(dBA)
Noise
Criteria
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
FWW03L
High 32 33 33 30 27 18 8 35 29
Med 26 29 29 26 21 11 6 30 24
Low 20 24 25 20 16 6 5 25 20
FWW04L
High 43 40 39 37 35 29 16 42 36
Med 39 37 36 34 31 23 11 39 33
Low 32 31 31 28 24 14 8 32 26
FWW05L
High 36 39 40 38 34 30 12 42 36
Med 32 36 37 34 29 24 9 38 33
Low 27 33 34 29 24 18 7 34 29
FWW06L
High 42 41 41 42 39 39 18 48 41
Med 38 38 39 38 35 29 14 42 37
Low 35 36 36 35 31 25 10 39 34
Microphone position: 1m in front and 0.8m below the vertical centre line of the unit.
Model Speed
1/1 Octave A-Weighted Sound Pressure (dBA), ref 20µPa Overall
(dBA)
Noise
Criteria
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
FWKE05E(H)
High 39 39 37 28 18 11 6 37 32
Med 36 33 31 20 8 6 6 31 25
Low 28 26 23 12 4 5 6 23 16
Quiet 21 17 13 6 4 5 6 16 0
*FWKE08E(H)
High 49 47 46 40 34 33 20 47 41
Med 46 43 42 35 29 24 12 42 37
Low 44 39 37 28 20 12 7 37 32
Quiet 41 32 30 20 9 6 7 31 24
*FWKE11E(H)
High 53 50 50 45 38 36 25 51 46
Med 49 45 46 40 33 30 17 46 41
Low 42 40 41 33 26 19 8 41 36
Quiet 39 34 34 25 14 7 6 34 29
Microphone position: 1.4m/*1.5m below the face center of the air return of the unit.