7-3
SOUND LEVEL CHARACTERISTICS
SM GCD030 1-A.0 GB
7.3 Outdoor
units
7.4
Sound Pressure Level Spectrum
(Measured as
Figure 2
)
GCD 030 Cooling
GCD 030 Heating
1m
Mic.
Unit
Ground
Figure 2
Hz, BAND CENTER FREQUENCIES
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
MICRO BAR0.002 dB re , OCTAVE BAND SOUND PRESSURE LEVEL
Hz, BAND CENTER FREQUENCIES
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
MICRO BAR0.002 dB re , OCTAVE BAND SOUND PRESSURE LEVEL
CONTENTS