8
Sound data
8 - 2 Sound Pressure Spectrum
CTXM-R
FTXM20R
Cooling mode
Heating mode
FTXM25R
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
Cooling mode
Heating mode
90
90
90
90
NR75
70
NR70
NR65
60
NR60
85
NR90
85
NR90
NR85
80
8
NR80
80
NR85
80
80
75
NR80
75
70
NR75
70
70
65
NR70
65
60
NR65
60
60
55
NR60
55
50
NR55
50
50
NR55
50
NR50
NR45
40
NR40
45
NR50
45
40
NR45
40
40
35
NR40
35
30
NR35
30
30
NR35
30
NR30
NR25
20
25
NR30
25
20
NR0
NR25
20
20
15
15
10
NR5 NR10 NR15
NR20
10
10
63
125
NR0
250
NR5 NR10 NR15
NR20
500 1000 2000 4000 8000 dBA
10
63 125 250 500 1000 2000 4000 8000 dBA
Octave band centre frequency [Hz]
dBA = A-weighted sound pressure level (A scale according to IEC).
Octave band centre frequency [Hz]
Legend
A
B
C
D
Location of microphone
Heating
Total dB
Legend
A
B
C
D
Scale
Fan speed
High
Medium
Low
Heating
Total dB
Scale
Fan speed
High
Location of microphone
Medium
Low
NR0
NR5
NR0
250
NR25
20
Notes
1.
2.
3.
4.
5.
4D130641
90
NR15
63 125 250 500 1000 2000 4000 8000 dBA
NR5 NR10 NR15
500 1000 2000 4000 8000 dBA
Octave band centre frequency [Hz]
dBA = A-weighted sound pressure level (A scale according to IEC).
Octave band centre frequency [Hz]
NR10
10
10
NR20
10
Cooling
Total dB
A
B
C
D
A
B
C
D
dBA
41
33
25
dBA
39
34
26
Operating conditions: power source 220-240 V/220 V 50/60 Hz; JIS standard
Background noise already taken into account.
Operating noise varies depending on operation and ambient conditions.
The operation noise measuring method is in accordance with JISC9612.
Measuring location: anechoic chamber
90
90
NR90
85
NR90
NR85
80
NR80
NR85
80
80
NR80
75
NR75
70
70
NR70
65
NR65
60
60
NR60
55
NR55
50
50
NR50
45
NR45
40
40
NR75
70
NR70
NR65
60
NR60
NR40
35
NR35
30
30
NR55
50
NR50
NR45
40
NR40
NR30
25
NR25
20
20
NR20
15
NR35
30
Cooling
Total dB
A
B
C
D
A
B
C
D
dBA
41
33
25
dBA
39
34
27
Notes
1.
Operating conditions: power source 220-240 V/220 V 50/60 Hz; JIS standard
2.
Background noise already taken into account.
3.
Operating noise varies depending on operation and ambient conditions.
4.
The operation noise measuring method is in accordance with JISC9612.
5.
Measuring location: anechoic chamber
63
125
Wall mounted unit • FTXM-R
NR30
S
o
u
n
d
p
r
e
s
s
u
r
e
l
e
v
e
l
[
d
B
]
S
o
u
n
d
p
r
e
s
s
u
r
e
l
e
v
e
l
[
d
B
]
S
o
u
n
d
p
r
e
s
s
u
r
e
l
e
v
e
l
[
d
B
]
S
o
u
n
d
p
r
e
s
s
u
r
e
l
e
v
e
l
[
d
B
]
4D130642
Wall mounted unit • FTXM-R
25
