Daikin FWMT Series, Technical Manual

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10
Sound Data
Sound Data
Sound Pressure Level
Model Speed
1/1 Octave A-Weighted Sound Pressure (dBA), ref 20 μ Pa Overall
(dBA)
Noise
Criteria
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
FWMT02C
High 31 32 33 28 26 14 6 34 28
Med 25 29 28 24 19 9 5 29 22
Low 20 26 24 20 11 8 6 25 18
FWMT03C
High 30 33 33 32 28 17 8 35 31
Med 26 29 30 27 21 11 7 30 25
Low 19 25 25 21 14 6 6 25 19
FWMT04C
High 41 39 39 38 36 26 14 42 38
Med 38 36 37 34 32 22 10 39 33
Low 30 30 31 28 23 12 7 32 26
FWMT05C
High 37 38 38 39 33 22 11 42 38
Med 33 35 35 35 29 17 8 38 34
Low 29 33 32 31 23 12 7 34 30
FWMT06C
High 42 42 42 42 40 31 21 46 42
Med 37 38 39 38 34 24 13 42 37
Low 34 35 36 35 30 20 9 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 20 μ Pa Overall
(dBA)
Noise
Criteria
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
FWMJC6B
High 44 43 42 35 29 23 15 42 37
Med 40 40 38 30 23 16 14 38 33
Low 35 34 32 23 15 10 14 32 26
FWMJC8B
High 48 47 45 39 34 28 17 46 40
Med 44 42 42 34 28 21 10 42 37
Low 39 37 36 26 19 10 6 35 31
*FWMJC9B
High 49 48 46 42 37 35 22 48 41
Med 44 44 42 36 32 27 14 43 37
Low 41 39 37 31 26 17 8 38 32
*FWMJC11B
High 51 49 49 45 37 36 24 50 45
Med 48 46 47 40 33 31 18 47 43
Low 44 42 43 35 28 23 10 43 38
*FWMJC13B
High 53 54 50 47 39 38 28 52 46
Med 49 48 47 43 36 35 25 49 43
Low 46 45 44 39 32 30 22 45 39
Microphone position: 1.4m/*1.5m below the face center of the air return of the unit.