Indoor UnitsII-6655 Slim duct5-7. Sound pressure level1) Operation sound level2) NC curves(1) AVXDSH022E✴ (2)AVXDSH028E✴ (3) AVXDSH036E✴Unit : dB(A)Model High LowAVXDSH022E✴ 31 26AVXDSH028E✴ 32 27AVXDSH036E✴ 32 27AVXDSH045E✴ 33 30AVXDSH056E✴ 33 30Unit : dB(A)Model High LowAVXDSH071E✴ 36 32AVXDSH090E✴ 40 36AVXDSH112E✴ 40 36AVXDSH128E✴ 41 38AVXDSH140E✴ 41 38(4) AVXDSH045E✴ (5) AVXDSH056E✴2m 1mDuctDuct1.5mMicrophoneDischarge SuctionNC 40NC 35NC 30NC 25NC 20NC 1545403530252015105 63 125 250 500 1000 2000 4000 8000NC 45HIGHLOWSound pressure level (dB)Octave band center frequency(Hz)NC 40NC 35NC 30NC 25NC 20NC 1545403530252015105 63 125 250 500 1000 2000 4000 8000NC 45HIGHLOWSound pressure level (dB)Octave band center frequency(Hz)NC 40NC 35NC 30NC 25NC 20NC 1545403530252015105 63 125 250 500 1000 2000 4000 8000NC 45HIGHLOWSound pressure level (dB)Octave band center frequency(Hz)NC 40NC 35NC 30NC 25NC 20NC 154550403530252015105 63 125 250 500 1000 2000 4000 8000HIGHLOWNC 45Sound pressure level (dB)Octave band center frequency(Hz)NC 40NC 35NC 30NC 25NC 20NC 154550403530252015105 63 125 250 500 1000 2000 4000 8000HIGHLOWNC 45Sound pressure level (dB)Octave band center frequency(Hz)◆ These operation values were obtained in a dead room. Sound pressure level will vary depending on a range offactors such as the construction of the particular room where the equipment is installed.◆ Operation sound level may differ depending on operation and ambient conditions.; NNNN oooo tttt eeeechapter2_Indoor units(052~107) 3/14/08 22:15 Page 66