Panasonic S-45PU1E5 Technical Data & Service Manual page 155

1-6. Noise Criterion Curves
(B) Outdoor Unit
MODEL : U-140PE1E5
SOUND LEVEL : Cooling 54 dB(A)
: 1 m in front at height of 1.5 m
CONDITION
: 220-230-240V, 1 phase, 50Hz
SOURCE
60
50
40
30
Approximate
minimum
audible limit
20
for continuous
noise
10
63 125 250
Frequency at center of sound pressure band (Hz)
Cooling
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MODEL : U-140PE1E5
SOUND LEVEL : Heating 55 dB(A)
: 1 m in front at height of 1.5 m
CONDITION
: 220-230-240V, 1 phase, 50Hz
SOURCE
60
50
40
30
Approximate
minimum
audible limit
20
for continuous
noise
10
63 125 250
Frequency at center of sound pressure band (Hz)
1-149
Heating
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
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