▲ Cooling
n Heating
2. Distributor type MULTI F DX (1 phase)
40 _ 
Heat pump
50Hz/R410A
Part 2 Product data_Outdoor units
2.13 Sound levels
Overall
1m
1.5m
D
Notes:
- 
Sound measured at 1m away from the center of the unit.
- Data is valid at free field condition
- Data is valid at nominal operation condition
- Reference accoustic pressure 0dB = 20μPa 
- Sound level will vary depending on a range of factors such
as the construction(acoustic absorption coefficient) of par-
ticular room in which the equipment is installed.
- The operating conditions are assumed to be standard.
Sound pressure level
Model 
Sound Pressure Level [dB(A)] 
Cooling Heating 
A7UW40GFA0 [FM40AH UO2] 
53 55
A8UW48GFA0 [FM48AH U32] 
54 56
A9UW56GFA0 [FM56AH U32] 
54 56
A7UW40GFA0 [FM40AH UO2] A8UW48GFA0 [FM48AH U32] A9UW56GFA0 [FM56AH U32]
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0dB = 20μPa )
10 
20 
30 
40 
50 
60 
70 
80 
63 125 250 500 1000 2000 4000 8000 
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 (0dB = 20μPa )
10 
20 
30 
40 
50 
60 
70 
80 
63 125 250 500 1000 2000 4000 8000 
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 (0dB = 20μPa )
10 
20 
30 
40 
50 
60 
70 
80 
63 125 250 500 1000 2000 4000 8000 
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    
▲ Cooling
n Heating
▲ Cooling
n Heating