Mitsubishi Heavy Industries FDTC40ZIXVD Data Book page 127

1.4 NOISE LEVEL
Notes (1) The data are based on the following conditions.
Ambient air temperature: Indoor unit 27℃WB. Outdoor unit 35℃DB.
(2) The data in the chart are measured in an anechoic room.
(3) The noise levels measured in the field are usually higher than the data because of reflection.
(1) Indoor units
(a) Ceiling cassette-4way compact type (FDTC)
Models FDTC40VD,50VD
Cooling noise level 47 dB (A) at P-HIGH
60
50
40
30
20
10
63 125 250
Mid Octave Band Frequency (Hz)
Model FDTC60VD
Cooling noise level 47 dB (A) at P-HIGH
60
50
40
30
20
10
63 125 250
Mid Octave Band Frequency (Hz)
(b) Ceiling cassette-4way type (FDT)
Models FDT40,50VD
Noise level 39 dB (A) at P-HIGH
33 dB (A) at HIGH
31 dB (A) at MEDIUM
30 dB (A) at LOW
60
50
40
30
20
10
63 125 250 500
Mid Octave Band Frequency (Hz)
42 dB (A) at HIGH
36 dB (A) at MEDIUM
30 dB (A) at LOW
60
50
40
30
20
10
500 1000 2000 4000 8000
46 dB (A) at HIGH
39 dB (A) at MEDIUM
30 dB (A) at LOW
60
50
40
30
20
10
500 1000 2000 4000 8000
Model FDT60VD
Noise level 46 dB (A) at P-HIGH
60
60
50
50
40
40
30 30
20 20
10
10
1000 2000 4000 8000
Measured based on JIS B 8616
Mike position as right
Heating noise level 47 dB (A) at P-HIGH
60
50
40
30
20
10
63
Heating noise level 47 dB (A) at P-HIGH
60
50
40
30
20
10
63
Measured based on JIS B 8616
Mike position as right
33 dB (A) at HIGH
31 dB (A) at MEDIUM
30 dB (A) at LOW
63 125 250 500 1000 2000 4000
Mid Octave Band Frequency (Hz)
- -
126
'10 • PAC-DB-142
1.5m
Mike (at center & below unit)
42 dB (A) at HIGH
36 dB (A) at MEDIUM
32 dB (A) at LOW
125 250 500 1000 2000 4000
Mid Octave Band Frequency (Hz)
46 dB (A) at HIGH
39 dB (A) at MEDIUM
32 dB (A) at LOW
125 250 500 1000 2000 4000
Mid Octave Band Frequency (Hz)
1.5m
Mike (at center & below unit)
Model FDT71VD
Noise level 46 dB (A) at P-HIGH
35 dB (A) at HIGH
33 dB (A) at MEDIUM
31 dB (A) at LOW
60
60
50
50
40
40
30
30
20 20
10
10
8000
63 125 250
Mid Octave Band Frequency (Hz)
60
50
40
30
20
10
8000
60
50
40
30
20
10
8000
60
50
40
30
20
10
500 1000 2000 4000 8000