36• Split Sky Air • Indoor Units 9• Indoor Units • R-410A • FTXG-EV1BW_FTXG-EV1BS6 Sound data6 - 1 Sound pressure spectrum3D050970Octave band sound pressure leveldB:(0dB = 0.0002 μ bar)Octave band center frequency (Hz)FTXG25E (Cooling)approximate thresholdhearing for continuousnoiseLegend50/60Hz 220-240/220-230V(H)50/60Hz 220-240/220-230V(L)NOTE1 Operation noise differs with operation and ambientconditions.3D050970Octave band sound pressure leveldB:(0dB = 0.0002 μ bar)Octave band center frequency (Hz)FTXG25E (Heating)approximate thresholdhearing for continuousnoiseLegend50/60Hz 220-240/220-230V(H)50/60Hz 220-240/220-230V(L)NOTE1 Operation noise differs with operation and ambientconditions.3D050971FTXG35E (Cooling)Octave band sound pressure leveldB:(0dB = 0.0002 μ bar)approximate thresholdhearing for continuousnoiseOctave band center frequency (Hz)Legend50/60Hz 220-240/220-230V(H)50/60Hz 220-240/220-230V(L)NOTE1 Operation noise differs with operation and ambientconditions.3D050971FTXG35E (Heating)Octave band sound pressure leveldB:(0dB = 0.0002 μ bar)approximate thresholdhearing for continuousnoiseOctave band center frequency (Hz)Legend50/60Hz 220-240/220-230V(H)50/60Hz 220-240/220-230V(L)NOTE1 Operation noise differs with operation and ambientconditions.