Haier HSU-14HR03/R2 Technical Data Manual page 19

Sound level
HSU-18HR03/R2
cooling
106 212
53 425
80
70
60
50
40
30
20
approximate
threshold
hearing for
continuous
noise
63
125
250
Octave band center frequency(Hz)
INDOOR
OUTDOOR
HSU-14HR03/R2 HSU-18HR03/R2
850 1700
3400 6800
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000
500 2000 8000
1000
heating
106 212
53
80
70
60
50
40
30
20
approximate
threshold
hearing for
continuous
noise
63 125
250
18
Accessories
850 1700
425 3400 6800
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000
500 1000 2000 8000
Octave band center frequency(Hz)
Domestic air conditioner