Daikin FBQ-C Technical Data Manual page 16

8 Sound data
8 - 1 Sound pressure spectrum
FBQ125C
High-tap
Medium-tap
Low-tap
Notes
1 Data is valid at free field condition
2 Data is valid at nominal operation condition
3 dBA = A-weighted sound power level. (A-scale according to IEC)
4 Reference acoustic pressures 0dB = 20μPa
5 Location of microphine
Suction
14
• Indoor Units • R-410A • FBQ-C7VEB
Octave band center frequency [dB]
3TW31267-2
Discharge
Unit
2m 2m
1.5m
Microphone
1m
• Split Sky Air • Indoor Units
FBQ140C
Octave band center frequency [dB]
High-tap
Medium-tap
Low-tap
Notes
1 Data is valid at free field condition
2 Data is valid at nominal operation condition
3 dBA = A-weighted sound power level. (A-scale according to IEC)
4 Reference acoustic pressures 0dB = 20μPa
5 Location of microphine
Suction
Unit
2m
1.5m
1m
3TW31337-2
Discharge
2m
Microphone