Sound Levels; Sound Levels In Cooling Mode - Mitsubishi Electric CITY MULTI PUHY-HP72-240TNU-A Data Book

5. SOUND LEVELS

5-1. Sound levels in cooling mode

5. SOUND LEVELS
Measurement condition
PUHY-HP72, 96, 120TNU/YNU
Sound level of PUHY-HP72T(Y)NU-A
90
Cool
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 Cooling 60Hz 54.0 58.0 57.5 54.5 48.0 43.5
Low noise mode 60Hz 50.5 47.0 40.0 39.5 34.0 27.0
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-HP96T(Y)NU-A
90
Cool
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 Cooling 60Hz 61.0 58.5 58.0 55.0 50.0 44.5
Low noise mode 60Hz 60.5 56.5 47.5 28.5 26.5 23.5
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.
MEES21K108
1m
Measurement
location
60Hz
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)
39.0 35.5 55.0
25.5 30.5 40.5
60Hz
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)
40.0 35.5 56.0
12.5 14.0 43.5
Sound level of PUHY-HP120T(Y)NU-A
90
60Hz
Cool
Low 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 Cooling 60Hz 68.5 61.0 62.0 58.5 53.0 48.5
Low noise mode 60Hz 68.0 56.0 44.5 32.5 30.5 27.5
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.
Hyper Heating Inverter 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)
43.0 36.0 59.5
18.0 18.0 45.0
23