Mitsubishi Electric PUHZ-ZRP100VKA3.UK Service Manual page 11

5-4. NOISE CRITERION CURVES
PUHZ-ZRP100VKA3.UK
PUHZ-ZRP100YKA3.UK
PUHZ-ZRP100YKA3R1.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PUHZ-ZRP200YKA2.UK
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH645D
MODE SPL(dB) LINE
COOLING 49
HEATING 51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SPL(dB)
MODE LINE
COOLING
59
HEATING 62
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MICROPHONE
1 m
1.5 m
PUHZ-ZRP125/140VKA3.UK
PUHZ-ZRP125/140VKA3R1.UK
PUHZ-ZRP125/140YKA3.UK
PUHZ-ZRP125/140YKA3R1.UK
PUHZ-ZRP125/140YKA3R2.UK
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
PUHZ-ZRP250YKA2.UK
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
11
UNIT
GROUND
MODE SPL(dB)
COOLING
HEATING
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
SPL(dB)
MODE
COOLING
59
HEATING 62
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
LINE
50
52
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000