Electra OU10-47T ST Manuale di Servizio Pagina 25

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6-2
SOUND LEVEL CHARACTERISTICS
SM SAFRPM 1-A.0 GB
6.3 Outdoor units
6.4 Sound Pressure Level Spectrum
(Measured as Figure 2)
OU7-24 Z Cooling OU7-24 Z Heating
OU10-47T Cooling OU10-47T Heating
1
m
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
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