Noise Criteria Curves - Mitsubishi Electric MSC-07RV Service Manual

6

NOISE CRITERIA CURVES

MSC-07/09RV
90
80
70
60
50
40
30
APPROXIMATE
20
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MU-07/09RV
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
NOTCH
(A)
Hi
36
(220/240V)
Test conditions.
Cooling : DB27: WB19:
Heating : DB20: WB -:
500 1000 2000 4000 8000
SPL(dB ) LINE
NOTCH
(A)
HI (220V) 44
HI (240V) 45
Test conditions.
Cooling : DB27: WB19:
500 1000 2000 4000 8000
MSC-12RV
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-12RV
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
19
NOTCH
Hi
(220/240V)
Test conditions.
Cooling : DB27:
Heating : DB20:
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
NOTCH
Hi
(220/240V)
Test conditions.
Cooling : DB27:
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
SPL(dB ) LINE
(A)
39
WB19:
WB -:
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
SPL(dB ) LINE
(A)
49
WB19:
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000