Mitsubishi Electric SLZ-KA25VA, Technical & Service Manual

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7
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
TERESHOLD 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.TH
SLZ-KA35VA.TH
SLZ-KA35VAL
1
.TH
SLZ-KA35VA
1
.TH
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
TERESHOLD 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.TH
SLZ-KA25VA.TH
SLZ-KA25VAL
1
.TH
SLZ-KA25VA
1
.TH
High
Medium
37
SPL(dB)
31
LINE
<50Hz>
NOTCH
Low
28
NOISE CRITERION CURVES
UNIT
1.5m
MICROPHONE
CEILING
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
TERESHOLD 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.TH
SLZ-KA50VA.TH
SLZ-KA50VAL
1
.TH
SLZ-KA50VA
1
.TH
High
Medium
39
SPL(dB)
34
LINE
<50Hz>
NOTCH
Low 30
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.
OC320B-1.qxp 07.7.19 8:45 AM Page 7