1-29
1
1-6. Noise Criterion Curves
(B) Outdoor Units
MODEL
SOUND LEVEL
CONDITION
SOURCE
: U-60PE1R5
: Heating 50 dB(A)
: 1 m in front at height of 1.5 m
: 230-240V, 1 phase, 50Hz
Heating
MODEL
SOUND LEVEL
CONDITION
SOURCE
: U-60PE1R5
: Cooling 48 dB(A)
: 1 m in front at height of 1.5 m
: 230-240V, 1 phase, 50Hz
Cooling
Octave Band Level (dB)
*0dB = 0.0002 µbar
Octave Band Level (dB)
*0dB = 0.0002 µbar
Frequency at center of sound pressure band (Hz) Frequency at center of sound pressure band (Hz)
10
20
30
40
50
60
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
10
20
30
40
50
60
63 125 250 500 1000 2000 4000 8000
NC-40
NC-60
NC-50
NC-30
NC-20
Approximate
minimum
audible limit
for continuous
noise
Approximate
minimum
audible limit
for continuous
noise
MODEL
SOUND LEVEL
CONDITION
SOURCE
: U-71PE1R5
: Heating 50 dB(A)
: 1 m in front at height of 1.5 m
: 230-240V, 1 phase, 50Hz
Heating
MODEL
SOUND LEVEL
CONDITION
SOURCE
: U-71PE1R5
: Cooling 48 dB(A)
: 1 m in front at height of 1.5 m
: 230-240V, 1 phase, 50Hz
Cooling
Octave Band Level (dB)
*0dB = 0.0002 µbar
Octave Band Level (dB)
*0dB = 0.0002 µbar
Frequency at center of sound pressure band (Hz) Frequency at center of sound pressure band (Hz)
10
20
30
40
50
60
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
10
20
30
40
50
60
63 125 250 500 1000 2000 4000 8000
NC-40
NC-60
NC-50
NC-30
NC-20
Approximate
minimum
audible limit
for continuous
noise
Approximate
minimum
audible limit
for continuous
noise
Sec1.indb29Sec1.indb29 2012/03/0717:29:582012/03/0717:29:58