28
WY
MEE15K036
5. SOUND LEVELS
HEAT SOURCE
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-P200, 250, 300YLM-A
Measurement
location
1m
1m
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
50/60Hz
51.0
63.0
56.5
47.0
45.5
42.5
44.0
35.5
54.0
Low noise mode
50/60Hz
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 50/60Hz
Low
50/60Hz
Sound level of PQHY-P300YLM-A
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
50/60Hz
66.5
45.5
44.5
42.0
39.5
34.5
32.0
25.5
46.0
Low noise mode
50/60Hz
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 50/60Hz
Low
50/60Hz
Sound level of PQHY-P200YLM-A
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard
50/60Hz
56.5
46.0
50.0
44.0
42.5
37.5
37.0
27.5
48.0
Low noise mode
50/60Hz
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 50/60Hz
Low
50/60Hz
Sound level of PQHY-P250YLM-A
0000003810.BOOK 28 ページ 2015年11月9日 月曜日 午前11時12分
Содержание PQHY-P200-900Y(S)LM-A
Страница 1: ...PQHY P200 900Y S LM A PQRY P200 900Y S LM A MODEL ...
Страница 245: ...SYSTEM DESIGN 242 MEE15K036 ...