• Indoor Units • Round Flow Cassette • FXFQ-P9VEB• VRV ® Systems • Indoor Units248 Sound data8 - 2 Sound power spectrum4TW28837-1NOTES1 Data is valid at free field condition.2 Data is valid at nominal operation condition.3 dBA = A-weighted sound operation level (A-scale according to IEC).4 Reference acoustic intensity 0dB = 10E-6μW/m25 Curve for FXFQ20,25P9VEB in cooling mode.Sound operation level (dB)Octave band center frequency (Hz)FXFQ20,25P94TW28857-1NOTES1 Data is valid at free field condition.2 Data is valid at nominal operation condition.3 dBA = A-weighted sound operation level (A-scale according to IEC).4 Reference acoustic intensity 0dB = 10E-6μW/m25 Curve for FXF32P9VEB in cooling mode.Sound operation level (dB)Octave band center frequency (Hz)FXFQ32P94TW28867-1NOTES1 Data is valid at free field condition.2 Data is valid at nominal operation condition.3 dBA = A-weighted sound operation level (A-scale according to IEC).4 Reference acoustic intensity 0dB = 10E-6μW/m25 Curve for FXFQ40P9VEB in cooling mode.Sound operation level (dB)Octave band center frequency (Hz)FXFQ40P94TW28877-1NOTES1 Data is valid at free field condition.2 Data is valid at nominal operation condition.3 dBA = A-weighted sound operation level (A-scale according to IEC).4 Reference acoustic intensity 0dB = 10E-6μW/m25 Curve for FXFQ50P9VEB in cooling mode.Sound operation level (dB)Octave band center frequency (Hz)FXFQ50P9