Mitsubishi Electric PUZ-M100VKA, Руководство по обслуживанию

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14
OCH707C
4-3. NOISE CRITERION CURVES
1.5m
1m
MICROPHONE
UNIT
GROUND
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
COOLING
HEATING
MODE
54
56
SPL(dB)
LINE
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
COOLING
HEATING
MODE
55
57
SPL(dB)
LINE
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
COOLING
HEATING
MODE
51
54
SPL(dB)
LINE
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