Electra ELAU-VGF009-H11, Service Manual

Page: 29 / 65

SOUND LEVEL CHARACTERISTICS
6-4 SM JGF 1-A.1 GB
6.3 Sound Pressure Level - Outdoor
6.4 Sound Pressure Level Spectrum - Outdoor (Measured as Figure
1)
VGF007
Cooling VGF007
Heating
Noise spectrum & NC Curves
NC15
NC20
NC25
NC30
NC35
NC40
NC45
NC50
NC55
NC60
NC65
0
10
20
30
40
50
60
70
80
90
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequencies [Hz]
O
ct
ave B
an
d
S
o
u
n
d
P
ressu
re L
evel
[
d
B
r
e 20 m
P
a]
Noise spectrum & NC Curves
NC15
NC20
NC25
NC30
NC35
NC40
NC45
NC50
NC55
NC60
NC65
0
10
20
30
40
50
60
70
80
90
63 125 250 500 1000 2000 4000 8000
Octave Band Center Frequencies [Hz]
O
ctave B
an
d
S
o
u
n
d
Pr
ess
u
re L
evel
[
d
B
r
e 20 mPa]