Nc Curve (Indoor Unit) - Mitsubishi Electric PEH-P8MYA Technical & Service Manual

[6] NC Curve (Indoor unit)

PEH-P8MYA
Measurement condition
Aux. duct
1m
Measured point
PEH-P10MYA
Measurement condition
Aux. duct
1m
Measured point
70
60
2m
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63
70
60
2m
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63
–27–
125 250 500
OCTAVE BAND CENTER FREQUENCIES <Hz>
125 250 500
OCTAVE BAND CENTER FREQUENCIES <Hz>
External static pressure: 50Pa
External static pressure: 150Pa
NC60
NC50
NC40
NC30
NC20
1000 2000 4000
External static pressure: 50Pa
External static pressure: 150Pa
NC60
NC50
NC40
NC30
NC20
1000 2000 4000
8000
8000