Noise Criterion Curves - Mitsubishi Electric TRANE CITY MULTI TPKFYP004LM140A Technical & Service Manual

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NOISE CRITERION CURVES

NOISE CRITERION CURVES
TPKFYP004LM140A
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
TPKFYP008LM140A
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
OCHT715A
FAN SPL(dB) LINE
High 28
Medium1
26
Medium2 24
Low 22
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
FAN SPL(dB)
LINE
High 35
Medium1
31
Medium2
27
Low 22
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000
TPKFYP006LM140A
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250
BAND CENTER FREQUENCIES, Hz
TPKFYP012LM140A
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250
BAND CENTER FREQUENCIES, Hz
15
FAN SPL(dB) LINE
High 31
Medium1
29
Medium2
26
Low 22
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
FAN SPL(dB)
LINE
High 41
Medium1 37
Medium2
31
Low 24
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000