MEES21K047
PQ
R
Y-
P-
Z(
S)
LM
U
-A
1
24
5. SOUND LEVELS
WR2-Series-575V
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.
Measurement condition
PQRY-P144, 168, 192, 216, 240ZSLMU-A1
Measurement
location
3-1/4ft.
(1m)
3-1/4ft.
(1m)
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
60Hz
59.5
49.0
53.0
47.0
45.5
40.5
40.0
30.5
51.0
Low noise mode
60Hz
69.5
48.5
47.5
45.0
42.5
37.5
35.0
28.5
49.0
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 PQRY-P192ZSLMU-A1
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
60Hz
69.5
48.5
47.5
45.0
42.5
37.5
35.0
28.5
49.0
Low noise mode
60Hz
44.5
45.0
41.5
46.0
43.0
36.0
33.5
25.0
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 PQRY-P144ZSLMU-A1
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
60Hz
57.5
63.0
57.5
49.0
47.5
43.5
45.0
36.0
55.0
Low noise mode
60Hz
68.0
49.5
47.0
46.0
44.0
39.5
36.0
29.5
49.5
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.
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 PQRY-P216ZSLMU-A1
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
60Hz
67.0
49.0
51.0
46.0
44.5
39.5
38.0
29.5
50.0
Low noise mode
60Hz
66.5
47.0
45.5
45.5
43.0
37.0
34.5
27.0
48.0
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 PQRY-P168ZSLMU-A1
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
60Hz
54.0
66.0
59.5
50.0
48.5
45.5
47.0
38.5
57.0
Low noise mode
60Hz
66.0
50.0
46.0
47.0
45.0
40.5
37.0
30.0
50.0
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 PQRY-P240ZSLMU-A1
0000006382.BOOK 24 ページ ２０２１年７月１９日 月曜日 午後４時１４分
