MEES19K180
PURY-H
P-
T(
S)NU-
A, Y(S)
NU-A
25
5. SOUND LEVELS
Hyper Heating Inverter R2-Series
5-2. Sound levels in heating mode
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
location
1m
1m
Measurement condition
PURY-HP72, 96, 120TNU/YNU
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard Heating
60Hz
72.0
66.0
65.5
64.0
58.0
56.5
49.5
42.5
65.0
Low noise mode
60Hz
61.0
57.5
49.0
50.5
43.0
38.0
34.0
28.5
50.5
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
Heat
60Hz
Low
60Hz
Sound level of PURY-HP120T(Y)NU-A
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard Heating
60Hz
67.0
63.5
59.5
56.5
51.0
47.5
44.5
44.0
58.0
Low noise mode
60Hz
54.0
49.5
42.5
39.5
35.5
31.0
30.5
37.0
43.0
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
Heat
60Hz
Low
60Hz
Sound level of PURY-HP72T(Y)NU-A
63
125
250
500
1k
2k
4k
8k
dB(A)
Standard Heating
60Hz
69.0
66.5
60.5
58.0
53.5
49.5
47.5
46.0
60.0
Low noise mode
60Hz
57.5
54.0
46.0
43.0
40.0
36.0
35.0
39.5
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
Heat
60Hz
Low
60Hz
Sound level of PURY-HP96T(Y)NU-A
0000005744.BOOK 25 ページ 2020年2月25日 火曜日 午後5時19分