Mitsubishi Electric City Multi PUMY-SP112VKM Technical & Service Manual page 25

4-6. NOISE CRITERION CURVES
PUMY-SP112VKM.TH(-BS)
PUMY-SP112VKMR1.TH(-BS)
PUMY-SP112YKM.TH(-BS)
PUMY-SP112YKMR1.TH(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PUMY-SP140VKM.TH(-BS)
PUMY-SP140VKMR1.TH(-BS)
PUMY-SP140YKM.TH(-BS)
PUMY-SP140YKMR1.TH(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
1 m
1.5 m
OCH668B
MODE SPL(dB) LINE
HEATING 54
COOLING 52
SILENT(Cooling) 49
46
SUPER SILENT 1(Cooling)
42
SUPER SILENT 2(Cooling)
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
MODE SPL(dB) LINE
56
HEATING
COOLING 54
SILENT(Cooling) 51
48
SUPER SILENT 1(Cooling)
44
SUPER SILENT 2(Cooling)
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
UNIT
GROUND
PUMY-SP125VKM.TH(-BS)
PUMY-SP125VKMR1.TH(-BS)
PUMY-SP125YKM.TH(-BS)
PUMY-SP125YKMR1.TH(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
25
SPL(dB)
MODE
HEATING 56
COOLING 53
SILENT(Cooling) 50
47
SUPER SILENT 1(Cooling)
43
SUPER SILENT 2(Cooling)
125 250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000