Ruud UIWH18AVFJ - Operation Noise (Sound Pressure); Noise Level Curve

6. Operation noise (sound pressure)
6-1. Noise level curve
¢
Model:UIWH18AVFJ
 Cooling
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63 125 250 500 1,000 2,000 4,000 8,000
HIGH
QUIET
 Heating
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 1,000 2,000 4,000 8,000
HIGH
QUIET
¢
Model:UIWH24AVFJ
 Cooling
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63 125 250 500 1,000 2,000 4,000 8,000
HIGH
QUIET
 Heating
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63 125 250 500 1,000 2,000 4,000 8,000
HIGH
QUIET
DESIGN & TECHNICAL MANUAL
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WALL MOUNTED UIWH18-24AVFJ