Mitsubishi Electric TRANE CITY MULTI TPKFYP004LM140A Technical & Service Manual page 16

TPKFYP015LM140A
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250 500 1000
BAND CENTER FREQUENCIES, Hz
OCHT715A
SPL(dB)
FAN LINE
High 40
Medium1 37
Medium2 34
Low 29
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
2000 4000 8000
TPKFYP018LM140A
90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
16
SPL(dB)
FAN LINE
High 46
Medium1 41
Medium2
36
Low 31
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000