Panasonic S-36PU1E5A Service Manual page 259

1-6. Noise Criterion Curves
(B) Outdoor Unit
: U-140PEY1E8
MODEL
: Cooling 54 dB(A)
SOUND LEVEL
CONDITION : 1 m in front at height of 1.5 m
SOURCE : 380-400-415V, 3 phase, 50Hz
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
: U-140PEY1E8
MODEL
SOUND LEVEL : Heating 53 dB(A)
: 1 m in front at height of 1.5 m
CONDITION
SOURCE : 380-400-415V, 3 phase, 50Hz
60
50
40
30
Approximate
minimum
audible limit
20
for continuous
noise
10
63 125 250
Frequency at center of sound pressure band (Hz)
1-249
Heating
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
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