-
70
-
'17 • SCM-T-225
Noise
Level
Cooling
37 dB(A)
Heating
40 dB(A)
× ...... Cooling,
Heating
Condition ISO5151-T1, JIS C 9612
10
20
30
40
50
60
70
10
20
30
40
50
60
70
Sound pressure level (dB)
(Standard 2×10
-5
Pa
)
63
125
250
500
1000
2000
4000
8000
Mid octave band frequency (Hz)
N50
N30
N40
N60
N20
N70
(3) Ceiling concealed type (SRR)
Noise
Level
Cooling
46 dB(A)
Heating
47 dB(A)
× ...... Cooling,
Heating
Condition ISO-T1, JIS C 9612
10
20
30
40
50
60
70
10
20
30
40
50
60
70
Sound pressure level (dB)
(Standard 2
×10
-5
Pa)
63
125
250
500
1000
2000
4000
8000
Mid octave band frequency (Hz)
N50
N30
N40
N60
N20
N70
Models SRF50ZMX-S
Models
SRF50ZMA-S
Model SRR25ZM-S
・
Sound pressure level
①
Unit
Mike position
(Front points)
1m
1m
●
Mike position
1m
Unit
Supply duct
Return duct
2m
1m
1m
Air
1.5m
1m
Unit
Supply duct
Return duct
External staic pressure : 10Pa
External staic pressure : 10Pa
2m
Air
1.5m
Unit
Air
●
Mike position
●
Mike position
●
Mike position