Mitsubishi Electric PFAV-P250VM-E Data Book page 52

•PUHY-P750YSHM-A(-BS)
90
Standard
Low
80
70
60
50
40
30
20 Approximate minimum
audible limit on
continuous noise
10
63 125 250
Octave band central frequency (Hz)
1m
Measurement
location
50/60Hz
50/60Hz
500 1k 2k 4k 8k
NC-70
NC-60
NC-50
NC-40
NC-30
63
Standard 75.0 68.0 64.5 60.0 56.5 53.0 49.5 43.0
50/60Hz
NC-20
Low Noise Mode 56.0 57.0 52.0 48.0 47.5 49.0 47.0 43.0
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.
50
125 250 500 1k 2k 4k 8k dB(A)
63.5
55.0