Mitsubishi Electric PQHY-P250YHM-A, Справочник данных

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(2) NC Curves
10
20
30
40
50
60
70
80
90
Octave band sound level (dB)
PUHY-P500YSJM-A
63 125 250 500 1k 2k 4k 8k
NC-40
NC-30
NC-20
NC-60
NC-50
NC-70
Octave band central frequency (Hz)
Approximate minimum
audible limit on
continuous noise
63 125 250 500 1k 2k 4k 8k dB(A)
Standard 63.0 66.0 64.0 58.0 55.0 50.5 45.5 39.5 61.0
Low Noise Mode 61.0 57.0 47.0 42.5 40.0 36.0 34.5 28.0 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.
50/60Hz
50/60Hz
10
20
30
40
50
60
70
80
90
63 125 250 500 1k 2k 4k 8k
NC-40
NC-30
NC-20
NC-60
NC-50
NC-70
Octave band sound level (dB)
PQHY-P250YHM-A
Approximate minimum
audible limit on
continuous noise
63 125 250 500 1k 2k 4k 8k dB(A)
Standard 50/60Hz 61.0 54.0 48.0 43.5 42.0 39.0 43.0 32.5 49.0
Low noise mode
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.
Octave band central frequency (Hz)
50/60Hz 60.5 53.0 47.5 43.0 38.0 37.0 40.5 28.5 47.0
10
20
30
40
50
60
70
80
90
Octave band sound level (dB)
PUHY-P250YJM-A
Standard 50/60Hz
Low noise 50/60Hz
Standard 50/60Hz
Low noise 50/60Hz
63 125 250 500 1k 2k 4k 8k
NC-40
NC-30
NC-20
NC-60
NC-50
NC-70
Octave band central frequency (Hz)
Approximate minimum
audible limit on
continuous noise
63 125 250 500 1k 2k 4k 8k dB(A)
Standard 60.0 63.0 61.0 55.0 52.0 47.5 42.5 36.5 58.0
Low Noise Mode 58.0 54.0 44.0 39.5 37.0 33.0 31.5 25.0 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.
50/60Hz
50/60Hz
10
20
30
40
50
60
70
80
90
Octave band pressure level (dB) 0dB = 20μPa
PFD-P500VM-E
63 125 250 500 1k 2k 4k 8k
NC-40
NC-30
NC-20
NC-60
NC-50
NC-70
Octave band central frequency (Hz)
Approximate minimum
audible limit on
continuous noise
63
82.8
125
70.5
250
65.6
500
57,0
1k
55.1
2k
51.1
4k
44.7
8k
37.9
dB(A)
63.0
(External static pressure 120Pa)
10
20
30
40
50
60
70
80
90
Octave band pressure level (dB) 0dB = 20μPa
PFD-P250VM-E
63 125 250 500 1k 2k 4k 8k
NC-40
NC-30
NC-20
NC-60
NC-50
NC-70
Octave band central frequency (Hz)
Approximate minimum
audible limit on
continuous noise
63 125 250 500 1k 2k 4k 8k dB(A)
70.6 62.7 60.5 56.1 54.8 45.7 39.7 32.9 59.0
(External static pressure 120Pa)
(External static pressure 0Pa)
(External static pressure 0Pa)
(External static pressure 0Pa)
Standard 50/60Hz
Low noise 50/60Hz