Sound Data; Sound Pressure Spectrum - Daikin FBQ-C Technical Data Manual

8

Sound data

8 - 1 Sound pressure spectrum

FBQ35-50C
Octave band center frequency (Hz)
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 pressure level. (A-scale according to IEC)
4 Reference acoustic pressures 0dB = 20μPa
5 Location of microphone
Suction Unit Discharge
Microphone
FBQ71C
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
• Indoor Units • R-410A • FBQ-C7VEB
3TW31217-2
3TW31297-2
Discharge
2m
Microphone
• Split Sky Air • Indoor Units
FBQ60C
Octave band center frequency (Hz)
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 pressure level. (A-scale according to IEC)
4 Reference acoustic pressures 0dB = 20μPa
5 Location of microphone
Suction Unit Discharge
Microphone
FBQ100C
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
3TW31297-2
3TW31257-2
Discharge
2m
Microphone
13