Mitsubishi Electric CITY MULTI PUHY-M200-300YNW-A1 Data Book page 19

5. SOUND LEVELS
Measurement condition
PUHY-EM200, 250, 300YNW-A1(-BS)
Sound level of PUHY-EM200YNW-A1(-BS)
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 59.0 61.5 60.5 58.0 52.0 47.5
Low noise mode 50/60Hz 45.5 50.0 45.0 42.5 37.0 34.0
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-EM250YNW-A1(-BS)
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 70.0 62.0 62.0 59.5 54.0 49.0
Low noise mode 50/60Hz 49.0 53.0 48.0 46.0 41.0 37.5
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.
Depending on the operation conditions, the unit generates noise caused by valve actuation, refrigerant flow, and pressure
changes when operating normally. Please consider to avoid location where quietness is required.
The sound pressure level measured by the conventional method in JIS for reference purpose.
MEES19K116
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)
48.0 43.0 59.0
37.0 35.0 45.0
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)
50.0 44.0 61.0
41.0 37.5 48.5
Sound level of PUHY-EM300YNW-A1(-BS)
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 75.5 68.5 66.0 63.0 58.0 54.0
Low noise mode 50/60Hz 60.0 58.0 51.5 49.0 44.0 40.0
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.
Y-Series
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1k 2k 4k 8k
500 1k 2k 4k 8k dB(A)
50.0 47.5 64.5
38.5 41.0 51.0
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