Mitsubishi Electric S Series, Руководство пользователя

Страница: 19 / 118

B-19
NOISE CRITERIA
CUR
VES
600
o
600
CEILING CASSETTE
CEILING CASSETTE S series
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
SLZ-KA35VAL
SLZ-KA35VA
High
Medium
38
SPL(dB)
33
LINE
<50Hz>
NOTCH
Low 29
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
SLZ-KA25VAL
SLZ-KA25VA
High
Medium
37
SPL(dB)
31
LINE
<50Hz>
NOTCH
Low 28
UNIT
1.5m
MICROPHONE
CEILING
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
SLZ-KA50VAL
SLZ-KA50VA
High
Medium
39
SPL(dB)
34
LINE
<50Hz>
NOTCH
Low 30
B.1.7 NOISE CRITERION CURVES
NOTE: The sound level is measured in an anechoic room where echoes are few, when compressor stops. The sound
may be bigger than the indicated level in actual use due to surrounding echoes. The sound level can be high-
er by about 2 dB than the indicated level during cooling and heating operation.