Noise Level - Mitsubishi Heavy Industries FDFL71KXE6F Technical Manual

5. NOISE LEVEL

Note (1) The data are based on the following conditions.
Ambient air tempetature: Indoor unit 27˚C DB, 19˚C WB. Outdoor unit 35˚C DB
(2) The data in the chart are measuted in an unechonic room.
(3) The noise levels measured in the field are usually higher than the data because of reflection.
(1) Floor standing (with casing) type (FDFL)
(13) Floor standing (with casing) type (FDFL)
(2) Floor standing (without casing) type (FDFU)
(14) Floor standing (without casing) type (FDFU)
Measured based on JIS B 8616
Mike position as right
Model FDFU28KXE6F
Noise level 41 dB (A) at HIGH
38 dB (A) at MEDIUM
36 dB (A) at LOW
70
60
50
40
30
63 125 250
Mid octave band frequency (Hz)
(15) Outdoor Air Processing unit (FDU-F)
Measured based on JIS B 8616
Mike position as right
(1) Standard (Factory setting)
Note (1) Values are for external static pressure of 200Pa.
Model FDU500FKXE6F
Noise level 43 dB (A) at 50Hz
60
50
40
30
20
10
63 125 250
Mid Octave Band Frequency (Hz)
Model FDU850FKXE6F
Noise level 46dB (A) at 50Hz
Noise level 46 dB (A) at 50Hz
60
50
40
30
20
10
63 125 250
Mid Octave Band Frequency (Hz)
Model FDU1300FKXE6F
Model FDU1300FKXE6
Noise level 48dB (A) at 50Hz
Noise level 48 dB (A) at 50Hz
60
50
40
30
70
60
50
40
30
20
500 1000 2000 4000 8000
60
50
40
30
20
10
500 1000 2000 4000 8000
60
50
40
30
20
10
500 1000 2000 4000 8000
60
50
40
30
Indoor unit
Mike (front & at low point)
1m
1m
Models FDFL71KXE6F
FDFU45, 56, 71KXE6F
Noise level 43 dB (A) at HIGH
70
60
50
40
30
1m
Air
Unit
Return duct
Noise level 45 dB (A) at 60Hz
60
50
40
30
20
10
Noise level 48dB (A) at 60Hz
Noise level 48 dB (A) at 60Hz
60
50
40
30
20
10
Noise level 50dB (A) at 60Hz
Noise level 50 dB (A) at 60Hz
60
13
- -
50
40
30
'20 • KX-T-348
41 dB (A) at MEDIUM
40 dB (A) at LOW
63 125 250 500 1000 2000 4000
Mid octave band frequency (Hz)
2m 1m
Supply duct
63 125 250 500 1000 2000 4000
Mid Octave Band Frequency (Hz)
63 125 250 500 1000 2000 4000
Mid Octave Band Frequency (Hz)
'12 • KX-DB-175
70
60
50
50
30
20
8000
60
50
40
30
20
10
8000
60
50
40
30
20
10
8000
60
50
40
30