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Sound Pressure Levels - Mitsubishi Electric Mr.Slim PEAD-RP35JALQ Service Manual

Series pead, ceiling concealed r410, 2010 split-type, heat pump air conditioners.
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5

SOUND PRESSURE LEVELS

5-1. Sound pressure level
Ceiling concealed
5-2. NC curves
PEAD-RP35JA(L)Q
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
63
125
250
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
63
125
250
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
63
125
250
Aux. duct
test unit
2m
Measurement location
(External static pressure 35Pa)
High
Low
Middle
500
1k
2k
4k
Octave band center frequencies (Hz)
(External static pressure 50Pa)
High
Low
Middle
500
1k
2k
4k
Octave band center frequencies (Hz)
(External static pressure 70Pa)
High
Low
Middle
500
1k
2k
4k
Octave band center frequencies (Hz)
2m
70.0
65.0
60.0
NC-60
55.0
50.0
NC-50
45.0
40.0
NC-40
35.0
30.0
NC-30
25.0
20.0
NC-20
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
8k
63
125
250
70.0
65.0
60.0
NC-60
55.0
50.0
NC-50
45.0
40.0
NC-40
35.0
30.0
NC-30
25.0
20.0
NC-20
15.0
Approximate minimum
10.0
audible limit on
continuous noise
5.0
0.0
8k
63
125
250
NC-60
NC-50
NC-40
NC-30
NC-20
8k
15
(External static pressure 100Pa)
High
Low
Middle
500
1k
2k
4k
Octave band center frequencies (Hz)
(External static pressure 150Pa)
High
Low
Middle
500
1k
2k
4k
Octave band center frequencies (Hz)
NC-60
NC-50
NC-40
NC-30
NC-20
8k
NC-60
NC-50
NC-40
NC-30
NC-20
8k

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