7. Sound levels
Indoor unit
Compact
10
_
Ceiling concealed duct - Middle static pressure
Indoor Units
External Static Pressure 4(39) [mmAq(Pa)]
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
ABNW18GBHC0 [UB18C NH0]
ABNW24GBHC0 [UB24C NH0]
n
High
▲
Mid
l
Low
n
High
▲
Mid
l
Low
External Static Pressure 6(59) [mmAq(Pa)]
Octave Band Sound Pressure Level (0 dB = 20 μPa)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
ABNW18GBHC0 [UB18C NH0]
ABNW24GBHC0 [UB24C NH0]
n
High
▲
Mid
l
Low
n
High
▲
Mid
l
Low
External Static Pressure 8(78) [mmAq(Pa)]
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63
125
250
500
1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
ABNW18GBHC0 [UB18C NH0]
ABNW24GBHC0 [UB24C NH0]
n
High
▲
Mid
l
Low
n
High
▲
Mid
l
Low