Sound Data; Sound Pressure Spectrum - Daikin FTXJ-MS Technical Data Manual

8

Sound data

8 - 1 Sound Pressure Spectrum

FTXJ20MW
FTXJ20MS
Cooling mode
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
NR0
15
NR5
10
63 125 250
Octave band centre frequency [Hz]
Legend
dBA = A-weighted sound pressure level (A scale according to IEC).
A Scale
B
C
Location of microphone
FTXJ25MW
FTXJ25MS
Cooling mode
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
NR0
15
NR5
10
63 125 250 500
Octave band centre frequency [Hz]
Legend
dBA = A-weighted sound pressure level (A scale according to IEC).
A Scale
B
C
Location of microphone
• Indoor Unit • FTXJ-MS, FTXJ-MW
NR90
NR85
NR80
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR25
NR20
NR15
NR10
500 1000 2000 4000 8000 dBA
Cooling
Total dB
A B C
dBA 38 25
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
.
NR90
NR85
NR80
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR25
NR20
NR15
NR10
1000 2000 4000 8000 dBA
Cooling
Total dB
B C
A
dBA 38 25
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 • FTXJ-MS, FTXJ-MW
Heating mode
90 90
85
80
80
75
70
70
65
60
60
55
50
50
45
40
40
35
30
30
25
20
20
15 NR0
10
10
63 125 250
Octave band centre frequency [Hz]
Heating
Total dB
A B C
dBA 40 28
Heating mode
90 90
85
80
80
75
70
70
65
60
60
55
50
50
45
40
40
35
30
30
25
20
20
NR0
15
10
10
63 125 250
Octave band centre frequency [Hz]
Heating
Total dB
B C
A
dBA 41 28
NR90
NR85
NR80
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR25
NR20
NR5 NR15
NR10
500 1000 2000 4000 8000 dBA
3D092362A
NR90
NR85
NR80
NR75
NR70
NR65
NR60
NR55
NR50
NR45
NR40
NR35
NR30
NR25
NR20
NR15
NR5
NR10
500 1000 2000 4000 8000 dBA
3D092361A
3
90
80
8
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
11