Noise Criterion Curves - Mitsubishi Electric SUZ-KA24NAHZ Service Manual

5-3. NOISE CRITERION CURVES

SUZ-KA24NAHZ
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
3.3 ft
5 ft
OCH754A
SPL(dB)
MODE LINE
COOLING 52
HEATING 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
UNIT
GROUND
SUZ-KA30NAHZ
SUZ-KA36NAHZ
90
80
70
60
50
40
30
APPROXIMATE
THRESHOLD OF
HEARING FOR
20
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
10
MODE SPL(dB) LINE
COOLING 52
HEATING 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000