SEZ Ducted Heat Pump Systems (August 2014)
SEZ-41
© 2014 Mitsubishi Electric US, Inc.
Due to continuing improvement, above specification may be subject to change without notice.
3-12. SOUND PRESSURE LEVELS
90
80
70
60
50
40
30
20
10
63
125
250
500
1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION SPL(dB(A))
LINE
HEATING
46
50
OC
TA
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar)
SUZ-KA09NA.TH
90
80
70
60
50
40
30
20
10
63
125
250
500
1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION SPL(dB(A))
LINE
HEATING
49
51
OUTDOOR UNIT
MICROPHONE
1m
OC
TA
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar)
SUZ-KA12NA.TH
COOLING
FUNCTION SPL(dB(A))
LINE
HEATING
54
56
90
80
70
60
50
40
30
20
10
63
125
250
500
1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OC
TA
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar)
SUZ-KA18NA.TH
OUTDOOR UNIT
90
80
70
60
50
40
30
20
10
63
125
250
500
1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
COOLING
FUNCTION SPL(dB(A))
LINE
HEATING
49
51
OC
TA
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar)
SUZ-KA15NA.TH
(2) Outdoor Unit