Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 75

・Sound pressure level ②
Cooling
Noise
Level Heating
70
60
50
40
30
20
10
63
・Sound pressure level ③
Noise Cooling
Level
Heating
70
60
50
40
30
20
10
63
35 dB(A)
38 dB(A)
125 250 500
Mid octave band frequency (Hz)
41 dB(A)
46 dB(A)
125 250 500
Mid octave band frequency (Hz)
74
-
Mike position
●
Air
Unit
1.5m
Condition ISO5151-T1, JIS C 9612
Mike position
●
1m 2m
Air
Unit
Supply duct
Return duct
1.5m
External staic pressure : 10Pa
× ...... Cooling,
Mike position
●
1m 2m
Air
Unit
Supply duct
Return duct
External staic pressure : 10Pa
Mike position
●
Air
Unit
1.5m
Mike position
●
1m 2m
1000 2000 4000
Air
Unit
Supply duct
Return duct
1.5m
External staic pressure : 10Pa
Condition ISO5151-T1, JIS C 9612
Mike position
●
1m 2m
Air
Unit
Supply duct
Return duct
External staic pressure : 10Pa
× ...... Cooling,
1000 2000 4000
-
'17 • SCM-T-225
Heating
70
1m
N70
60
N60
50
N50
40
N40
30
N30
20
N20
10
8000
1m
Heating
70
N70
60
N60
50
N50
40
N40
30
N30
20
N20
10
8000