Hitachi RAC-25WXD, Technical Catalogue, Page: 16 / 39

SOUND DATA
1 4
4.3. RAC-50WX
D
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
Soun
d
Pr
es
su
re
L
ev
el
(dB
)
250 500 1000 2000
Octave band main wave length (Hz)
Soun
d
Pr
ess
ur
e
Le
ve
l (
dB
)
250 500 1000 2000
Octave band main wave length (Hz)
COOLING
HEATING
50.8
50.2
48.5
44.3
38.9
36.0
26.9
24.0
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
NC-70
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
63 125 4000 8000
52.7
50.5
50.7
48.9
44.7
42.7
36.7
30.0
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
NC-70
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
63 125 4000 8000