MEES19K187
PQH
Y
-P
-Z(
S
)L
MU-A1
121
5. SOUND LEVELS
WY-Series-575V
5. SOUND LEVELS
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.
Measurement condition
PQHY-P72, 96, 120ZLMU-A1
Measurement
location
3-1/4ft.
(1m)
3-1/4ft.
(1m)
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
60Hz
51.0
63.0
56.5
47.0
45.5
42.5
44.0
35.5
54.0
Low noise mode
60Hz
63.0
47.0
43.0
44.0
42.0
37.5
34.0
27.0
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.
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 central frequency (Hz)
Octave band sound level (dB)
Approximate minimum
audible limit on
continuous noise
Stand 60Hz
Low
60Hz
Sound level of PQHY-P120ZLMU-A1
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
60Hz
66.5
45.5
44.5
42.0
39.5
34.5
32.0
25.5
46.0
Low noise mode
60Hz
41.5
42.0
38.5
43.0
40.0
33.0
30.5
22.0
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.
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 central frequency (Hz)
Octave band sound level (dB)
Approximate minimum
audible limit on
continuous noise
Stand 60Hz
Low
60Hz
Sound level of PQHY-P72ZLMU-A1
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
60Hz
56.5
46.0
50.0
44.0
42.5
37.5
37.0
27.5
48.0
Low noise mode
60Hz
66.5
45.5
44.5
42.0
39.5
34.5
32.0
25.5
46.0
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.
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 central frequency (Hz)
Octave band sound level (dB)
Approximate minimum
audible limit on
continuous noise
Stand 60Hz
Low
60Hz
Sound level of PQHY-P96ZLMU-A1
0000005753.BOOK 121 ページ 2020年2月28日 金曜日 午前11時17分