Noise Criteria Curves - Mitsubishi Electric MSC-A07WV Service Manual

6

NOISE CRITERIA CURVES

MSC-A07WV-
E1
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MSC-A12WV-
E1
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
SPL(dB ) LINE
FAN SPEED FUNCTION
(A)
COOL
High 36
HEAT
Test conditions,
Cooling : DB27: WB19:
Heating : DB20: WB -:
500 1000 2000 4000 8000
SPL(dB ) LINE
FAN SPEED FUNCTION
(A)
COOL 40
High
HEAT 39
Test conditions,
Cooling : DB27: WB19:
500 1000 2000 4000 8000
MSC-A09WV-
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
10
63
MU-A07WV-
MU-A09WV-
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
NC-20
CONTINUOUS
NOISE
10
63
17
E1
FAN SPEED FUNCTION
COOL
High
HEAT
Test conditions.
Cooling : DB27:
Heating : DB20:
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
E1
FUNCTION
E1 COOL
Test conditions,
Cooling : DB27:
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
SPL(dB ) LINE
(A)
36
39
WB19:
WB -:
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
SPL(dB ) LINE
(A)
45
WB19:
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000