Daikin FTV-A Series - Page 64

62
Sound Level
Sound Pressure Level
Model Speed
1/1 Octave A-weighted Sound Pressure Level (dB, ref 20µPa)
Overall
(dBA)
Noise
Criteria
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
FTV60A
High
43 43 40 40 38 31 19 44 39
Med
41 40 37 36 34 26 16 41 35
Low
38 38 35 34 31 23 14 39 33
Quiet
37 37 34 32 30 22 13 37 31
NC Curve
0
10
20
30
40
50
60
70
80
90
63 125 250 500 1k 2k 4k 8K
NC-40
NC-50
NC-60
NC-30
NC-20
NC-70
NC-40
NC-50
NC-60
NC-30
NC-20
NC-70
NC-40
NC-50
NC-60
NC-30
NC-20
NC-70
A
PPROXIMATE
T
HRESHOLD HEARING FOR
C
ONTINUOUS NOISE
QUIET (Q)
LOW (L)
MEDIUM (M)
HIGH (H)
OCTAVE BAND CENTER FREQUENCY (Hz
)
3D122802