Daikin FTV-A Series - Page 62

60
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
FTV35A
High
43 40 37 36 32 25 14 40 35
Med
38 36 33 31 25 17 10 35 30
Low
36 34 31 29 23 14 9 33 28
Quiet
30 29 25 23 17 11 9 28 21
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)
3D122800