Hitachi RAK-35RPC - FAN OPERATION

SOUND DATA
12
4
4
SOUND DATA
4.1.
RAC-35WPC
The Sound Pressure Level is based on the following conditions:
- 1 meter from the unit front surface and 1 meter from floor level
The above data was measured in an anechoic chamber. Please take into consideration reflected sound of your specific site
Sound Pressure Level (dB)
Octave band main wave length (Hz)
Sound Pressure Level (dB)
Octave band main wave length (Hz)
49.7
47.7
44.2
42.2
38.7
33.0
27.1
25.6
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
63 125 250 500 1000 2000 4000 8000
52.0
48.0
45.3
43.9
40.3
36.0
30.8
28.6
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
1&
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
63 125 250 500 1000 2000 4000 8000
COOLING
HEATING