Panasonic S-45PU1E5 Technical Data & Service Manual page 147

1-6. Noise Criterion Curves
(A) Indoor Units:
4 WAY Cassette 60×60 Type
MODEL : S-36PY1E5
SOUND LEVEL : High 32 dB(A)
Low
CONDITION
: 1.5 m directly below unit
SOURCE
: 220-230-240V, 1 phase, 50Hz
60
50
40
30
Approximate
minimum
20
audible limit
for continuous
noise
10
3 6 1 5 2 2 0 5
Overall
Frequency at center of sound pressure band (Hz)
MODEL : S-50PY1E5
SOUND LEVEL : High 41 dB(A)
Low
CONDITION
: 1.5 m directly below unit
SOURCE
: 220-230-240V, 1 phase, 50Hz
60
50
40
30
Approximate
minimum
20
audible limit
for continuous
noise
10
3 6 1 5 2 2 0 5
Overall
Frequency at center of sound pressure band (Hz)
26 dB(A)
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 0 8 0 0
33 dB(A)
NC -50
NC -40
NC -30
NC -20
500 1000 2000 4000 0 8 0 0
MODEL : S-45PY1E5
SOUND LEVEL : High 36 dB(A)
Low
CONDITION
: 1.5 m directly below unit
SOURCE : 220-230-240V, 1 phase, 50Hz
60
50
40
30
Approximate
minimum
20
audible limit
for continuous
noise
10
3 6 1 5 2
Overall
Frequency at center of sound pressure band (Hz)
1-141
Both 50Hz / 60Hz
Strong
Weak
28 dB(A)
NC-50
NC-40
NC-30
NC-20
2 0 5 500 1000 2000 4000 0 8 0 0
1