Daikin ATB03RA, Technical Data Manual

Page: 41 / 49

Databook Modular T - October 2022 - Rev. 00 41
Sound Level Size 05
Air flow: 2100 m
3
/h, ESP: 50 Pa
Point
A
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Avg
(dBA)
Sound
power
(dB)
Supply inlet 61 62 60 47 45 42 33 29 54
Supply outlet 62 66 73 68 65 65 59 57 71
Return inlet 61 62 60 47 45 42 33 29 54
Return outlet 62 66 73 68 64 65 59 57 71
Surrounding power 65 57 56 50 44 43 37 30 52
Surrounding pressure (dBA)
45
Air flow: 2500 m
3
/h, ESP: 50 Pa
Point
B
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Avg
(dBA)
Sound
power
(dB)
Supply inlet 66 65 62 50 48 45 36 34 57
Supply outlet 68 69 77 71 68 68 62 62 75
Return inlet 66 65 62 50 48 45 36 34 57
Return outlet 68 69 77 71 68 68 62 62 75
Surrounding power 71 60 60 53 48 45 40 35 56
Surrounding pressure (dBA)
49
Air flow: 2100 m
3
/h, ESP: 150 Pa
Point C Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Avg
(dBA)
Sound
power
(dB)
Supply inlet 62 64 63 49 46 43 34 29 56
Supply outlet 64 68 75 69 66 66 60 57 73
Return inlet 62 64 63 49 46 43 34 29 56
Return outlet 64 68 75 69 66 66 60 57 73
Surrounding power 67 59 58 51 46 43 38 31 54
Surrounding pressure (dBA) 47
Air flow: 2500 m
3
/h, ESP: 150 Pa
Allowances on declared data: +/- 3 dB(A)
Point
D
Frequency (Hz) 63 125 250 500 1000 2000 4000 8000
Avg
(dBA)
Sound
power
(dB)
Supply inlet 68 63 63 51 50 46 37 33 57
Supply outlet 71 68 78 71 69 69 63 62 76
Return inlet 67 63 63 51 50 46 37 33 57
Return outlet 71 68 78 71 69 69 63 62 76
Surrounding power 74 59 60 54 49 47 41 35 57
Surrounding pressure (dBA)
50