Sound Data; Sound Pressure Spectrum - Daikin FTX-J3 Technical Data Manual

8

Sound data

8 - 1 Sound Pressure Spectrum

FTX20J3
Cooling mode
90
8
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
63
Legend
dBA = A weighted sound pressure level (A scale according to IEC).
A Scale
B
C
Location of microphone
FTX25J3
Cooling mode
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
63
Legend
dBA = A weighted sound pressure level (A scale according to IEC).
A Scale
B
C
Location of microphone
10
• Indoor Unit • FTX-J3
NR0
NR15
NR5
NR10
125 250 500 1000 2000 4000
Octave band centre frequency [Hz]
Cooling Total dB
A B
dBA 39
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
.
s
NR0
NR5 NR10 NR15
125 250 500 1000 2000 4000
Octave band centre frequency [Hz]
Total dB
Cooling
A B
dBA 40
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
.
• Split - Sky Air • FTX-J3
Heating mode
90
90
NR90 85
80
80
NR85
75
NR80
70
70
NR75
65
NR70
60
60
NR65
55
NR60
50 50
NR55
45
NR50
40
40
NR45
35
NR40
30 30
NR35
25
NR30
20 20
NR25
15
NR20
10 10
8000 dBA 63 125
Heating
Total dB
C A B
25 dBA 39
Heating mode
90 90
NR90
85
80
NR85 80
75
NR80
70 70
NR75
65
NR70
60 60
NR65
55
NR60
50
50
NR55
45
NR50
40
40
NR45
35
NR40
30
30
NR35
25
NR30
20
20
NR25
15
NR20
10
10
63
8000 dBA
Heating
Total dB
C A
26 dBA
NR90
NR85
NR80
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR25
NR0
NR15
NR5 NR20
NR10
250 500 1000 2000 4000 8000 dBA
Octave band centre frequency [Hz]
B
28
NR90
NR85
NR80
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR0
NR5 NR10 NR15
125 250 500 1000 2000 4000 8000 dBA
Octave band centre frequency [Hz]
B B
40 28
90
80
70
60
50
40
30
20
10
3D092111
90
80
70
60
50
40
30
20
NR25
NR20
10
3D092112