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6
• Split Sky Air • Indoor Units
9
• Indoor Units • R-410A • FTXS-D3VMW_D2VMW
6
Sound data
6 - 1 Sound pressure spectrum
FTXS20,25D
3D048221
Approximate
threshold hearing
for continuous
noise
Approximate
threshold hearing
for continuous
noise
Octave band center frequency
Octave band center frequency
O
ct
ave ba
nd so
und
p
re
ssur
e
level
(
0dB
=
0
.000
2
µ
b
ar
)
O
ct
av
e band
s
oun
d pr
ess
ur
e l
ev
el
(
0
d
B
= 0.
00
02µ
ba
r)
NOTES
1
Measurement was taken in an anechoic room.
2
The operation noise measuring method is in accordance with
JISC9612.
3
Operating conditions:
Power source = 230 V, 50 Hz
o------o H (A = 39), o- - - -o L (A = 26)
4
Operation noise differs with operation and ambient conditions.
Location of
microphone
NOTES
1
Measurement was taken in an anechoic room.
2
The operation noise measuring method is in accordance with
JISC9612.
3
Operating conditions:
Power source = 230 V, 50 Hz
o------o H (A = 39), o- - - -o L (A = 29)
4
Operation noise differs with operation and ambient conditions.
Location of
microphone
Cooling
Heating
1m
0.
8m
1m
0.
8m
FTXS35D
3D048222
Approximate
threshold hearing
for continuous
noise
Approximate
threshold hearing
for continuous
noise
Octave band center frequency
Octave band center frequency
O
ct
ave ba
nd so
und
p
re
ssur
e
level
(
0dB
=
0
.000
2
µ
b
ar
)
O
ct
av
e band
s
oun
d pr
ess
ur
e l
ev
el
(
0
d
B
= 0.
00
02µ
ba
r)
NOTES
1
Measurement was taken in an anechoic room.
2
The operation noise measuring method is in accordance with
JISC9612.
3
Operating conditions:
Power source = 230 V, 50 Hz
o------o H (A = 39), o- - - -o L (A = 26)
4
Operation noise differs with operation and ambient conditions.
Location of
microphone
NOTES
1
Measurement was taken in an anechoic room.
2
The operation noise measuring method is in accordance with
JISC9612.
3
Operating conditions:
Power source = 230 V, 50 Hz
o------o H (A = 39), o- - - -o L (A = 29)
4
Operation noise differs with operation and ambient conditions.
Location of
microphone
Cooling
Heating
1m
0.
8m
1m
0.
8m
3D051098
Octave
band
sound
pressure
level
dB:(0dB
=
0.0002
µ
bar)
Octave band center frequency (Hz)
FTXS50D (Cooling)
approximate threshold
hearing for continuous
noise
Legend
50Hz 220-240V(H)
50Hz 220-240V(L)
NOTE
1
Operation noise differs with operation and
ambient conditions.
Location of microphone
3D051098
Octave
band
sound
pressure
level
dB:(0dB
=
0.0002
µ
bar)
Octave band center frequency (Hz)
FTXS50D (Heating)
approximate threshold
hearing for continuous
noise
Legend
50Hz 220-240V(H)
50Hz 220-240V(L)
NOTE
1
Operation noise differs with operation and
ambient conditions.
Location of microphone