Sound Data; Rac-18Wpb - Hitachi RAC-18WPB Technical Catalogue

SOUND DATA

16
4 SOUND DATA

4.1. RAC-18WPB

90
NC-70
NC-65
80
NC-60
NC-55
NC-50
70
NC-45
NC-40
NC-35
60
NC-30
NC-25
NC-20
50
NC-15
40
32.1
30
20
10
0
63
90
NC-70
NC-65
80
NC-60
NC-55
NC-50
70
NC-45
61.9
NC-40
NC-35
60
NC-30
NC-25
NC-20
50
NC-15
40
30
20
10
0
63
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
COOLING
43.3
34.4
27.3
125 250
Octave band main wave length (Hz)
HEATING
78.1
73.7
63.0
125 250
Octave band main wave length (Hz)
40.7
36.4
500 1000 2000
73.4
71.1
500 1000 2000
33.1
32.6
4000 8000
66.0
56.8
4000 8000