Operation Noise (Sound Pressure); Noise Level Curve; Sound Level Check Point - Fujitsu ARHG24LMLA Design & Technical Manual

9. Operation noise (sound pressure)

9-1. Noise level curve

¢ Model: AOHG24LBCB
 Cooling
80
70
60
50
40
30
20
10
0
63 125 250 500
Octave band center frequency, Hz

9-2. Sound level check point

Airflow
NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrat-
ed above.
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000 8,000
Rear
Microphone
1 m
Side view
- 48 -
 Heating
80
70
60
50
40
30
20
10
0
63 125 250 500
Octave band center frequency, Hz
Microphone
Rear view
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
1,000 2,000 4,000 8,000