Mitsubishi Electric CITY MULTI PEFY-P22VMS-E-S Data Book page 225

5. SOUND LEVELS
5. SOUND LEVELS
Measurement condition
PUHY-P300,350YRJC-A
Sound level of PUHY-P300YRJC-A
90
Stand 50/60Hz
Low
80
70
60
50
40
30
Approximate minimum
20
audible limit on
continuous noise
10
63 125 250 500
Octave band central frequency (Hz)
63 125
Standard 50/60Hz 62.0 64.0 63.0 56.0 51.5 47.0
Low noise mode 50/60Hz 64.5 59.5 50.5 45.5 43.0 39.0
When Low noise mode is set,the A/C system's capacity is limited. The system could return to normal operation
from Low noise mode automatically in the case that the operation condition is severe.
Sound level of PUHY-P350YRJC-A
90
Stand 50/60Hz
Low
80
70
60
50
40
30
Approximate minimum
20
audible limit on
continuous noise
10
63 125 250 500
Octave band central frequency (Hz)
63 125
Standard 50/60Hz 65.0 64.5 62.5 57.0 54.0 49.5
Low noise mode 50/60Hz 61.5 60.0 49.5 45.0 42.0 39.0
When Low noise mode is set,the A/C system's capacity is limited. The system could return to normal operation
from Low noise mode automatically in the case that the operation condition is severe.
1m
Measurement
location
50/60Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
250 500 1k 2k 4k 8k dB(A)
44.0 37.0 59.0
37.0 27.5 50.0
50/60Hz
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
250 500 1k 2k 4k 8k dB(A)
46.0 43.5 60.0
40.0 38.0 50.0
OUTDOOR UNITS
Measurement condition
PUHY-P400,450YRJC-A
Measurement
location
Sound level of PUHY-P400YRJC-A
90
Stand 50/60Hz
Low 50/60Hz
80
70
60
50
40
30
Approximate minimum
20
audible limit on
continuous noise
10
63 125 250 500
Octave band central frequency (Hz)
63 125 250
Standard 50/60Hz 73.0 66.0 62.5 58.0 54.5 51.0
Low noise mode 50/60Hz 54.0 55.0 50.0 46.0 45.5 47.0
When Low noise mode is set,the A/C system's capacity is limited. The system could return to normal operation
from Low noise mode automatically in the case that the operation condition is severe.
Sound level of PUHY-P450YRJC-A
90
Stand 50/60Hz
Low 50/60Hz
80
70
60
50
40
30
Approximate minimum
20
audible limit on
continuous noise
10
63 125 250 500
Octave band central frequency (Hz)
63 125 250
Standard 50/60Hz 73.5 66.5 63.5 59.0 55.5 52.0
Low noise mode 50/60Hz 59.0 58.5 55.0 47.5 43.0 44.0
When Low noise mode is set,the A/C system's capacity is limited. The system could return to normal operation
from Low noise mode automatically in the case that the operation condition is severe.
C7-R Rev.
1m
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
500 1k 2k 4k 8k dB(A)
47.5 41.0 61.0
45.0 41.0 53.0
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
500 1k 2k 4k 8k dB(A)
49.5 42.5 62.0
42.5 41.5 53.0
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