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Sound Levels In Heating Mode - Mitsubishi Electric CITY MULTI PURY-HP72TNU-A Data Book

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5. SOUND LEVELS

5-2. Sound levels in heating mode

Measurement condition
PURY-HP72, 96, 120TNU/YNU
Sound level of PURY-HP72T(Y)NU-A
90
Heat
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 Heating
60Hz
67.0 63.5 59.5 56.5 51.0 47.5
Low noise mode
60Hz
54.0 49.5 42.5 39.5 35.5 31.0
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 PURY-HP96T(Y)NU-A
90
Heat
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 Heating
60Hz
69.0 66.5 60.5 58.0 53.5 49.5
Low noise mode
60Hz
57.5 54.0 46.0 43.0 40.0 36.0
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.
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.
For BC controller, it is recommended to be installed in places such as ceilings of corridor, rest rooms and plant rooms.
MEES19K180
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)
44.5
44.0
58.0
30.5
37.0
43.0
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)
47.5
46.0
60.0
35.0
39.5
47.0
Sound level of PURY-HP120T(Y)NU-A
90
Heat
60Hz
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 Heating
60Hz
72.0 66.0 65.5 64.0 58.0 56.5
Low noise mode
60Hz
61.0 57.5 49.0 50.5 43.0 38.0
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.
Hyper Heating Inverter R2-Series
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1k
2k
4k
8k
500
1k
2k
4k
8k
dB(A)
49.5
42.5
65.0
34.0
28.5
50.5
25
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