Four-way Cassette MCAC-VTSM-2016-05
78 Indoor unit
9. Sound Levels
9.1 Test condition
Note:
1, During actual operation, these values are normally some what higher as a result of ambient conditions.
2, Semi-anechoic chamber conversion value, measured at a point which is 4.59ft(1.4m) under the unit.
9.2 Test data (Sound Pressure Levels)
Noise level under three speeds of fan (dB(A))
9.3 Octave Band Level
MDV-D28 (36, 45, 56) Q4/N1-D MDV-D71 (80) Q4/N1-D
Octave band center frequency(Hz)
Sound pressure level dB(0dB=0.0002μ bar)
Audibility limits of
continuous white
sound
Octave band center frequency(Hz)
Sound pressure level dB(0dB=0.0002μ bar)
Audibility limits of
continuous white
sound