Airwell FBF030 - Page 42

6-3
SOUND LEVEL CHARACTERISTICS
SM FBFRPM 1-A.0 GB
FAN SPEED LINE
HI
ME
LO
YDF055 Cooling YDF055 Heating
YDF047 Cooling YDF047 Heating
FAN SPEED LINE
HI
ME
LO
Octave Band Center Frequencies [Hz]
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
Octave Band Sound Pressure Level [dB re 20mPa]
Octave Band Center Frequencies [Hz]
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
Octave Band Sound Pressure Level [dB re 20mPa]