Sound Levels - Mitsubishi Electric PQHY-P200YHM-A Data Book

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Sound levels

Measurement condition
PQHY-P200,250,300YHM-A
Sound level of PQHY-P200YHM-A
90 90
80 80
70 70
60 60
50 50
40 40
30 30
20 20 Approximate minimum Approximate minimum
audible limit on audible limit on
continuous noise continuous noise
10 10
63 63 125 125 250 250
Octave band central frequency (Hz) Octave band central frequency (Hz)
63 63
Standard Standard 50/60Hz 50/60Hz 60.5 53.0 47.5 43.0 38.0 37.0 60.5 53.0 47.5 43.0 38.0 37.0
Low noise mode 50/60Hz Low noise mode 50/60Hz 56.5 50.0 44.0 39.5 36.0 34.5 56.5 50.0 44.0 39.5 36.0 34.5
When Low noise mode is set,the A/C system's capacity is limited. The system could return to normal operation 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. from Low noise mode automatically in the case that the operation condition is severe.
Sound level of PQHY-P250YHM-A
90
80
70
60
50
40
30
20 Approximate minimum
audible limit on
continuous noise
10
63 125 250
Octave band central frequency (Hz)
63
Standard 50/60Hz 61.0 54.0 48.0 43.5 42.0 39.0
Low noise mode 50/60Hz 60.5 53.0 47.5 43.0 38.0 37.0
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
Stand 50/60Hz Stand 50/60Hz
Low Low 50/60Hz 50/60Hz
500 500 1k 1k 2k 2k 4k 4k
125 125 250 250 500 500 1k 1k 2k 2k 4k 4k
40.5 40.5
36.5 36.5
Stand 50/60Hz
Low 50/60Hz
500 1k 2k 4k
125 250 500 1k 2k 4k
43.0
40.5
Sound level of PQHY-P300YHM-A
90
80
70
60
50
40
30
Approximate minimum
20
audible limit on
continuous noise
10
63 125
Standard 50/60Hz
Low noise mode 50/60Hz
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.
NC-70 NC-70
NC-60 NC-60
NC-50 NC-50
NC-40 NC-40
NC-30 NC-30
NC-20 NC-20
8k 8k
8k 8k dB(A) dB(A)
28.5 28.5 47.0 47.0
28.5 28.5 44.0 44.0
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8k
8k dB(A)
32.5 49.0
28.5 47.0
- 26 -
Stand 50/60Hz
Low 50/60Hz
250 500 1k 2k 4k
Octave band central frequency (Hz)
63 125 250 500 1k 2k
65.0 55.5 49.0 44.0 42.5 39.5
60.5 53.0 47.5 43.0 38.0 37.0
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8k
4k 8k dB(A)
43.5 36.5 50.0
40.5 28.5 47.0