Daikin ATB03RA, Technical Data Manual

Page: 43 / 49

Databook Modular T - October 2022 - Rev. 00 43
Sound Level Size 07
Air flow: 3000 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 63 67 56 44 42 39 30 23 53
Supply outlet 64 73 68 67 61 64 58 54 70
Return inlet 63 67 56 44 41 39 30 23 53
Return outlet 64 72 68 67 61 64 58 53 69
Surrounding power 67 64 51 49 41 41 35 27 52
Surrounding pressure (dBA)
45
Air flow: 4000 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 72 69 65 53 47 45 36 31 59
Supply outlet 72 76 79 73 67 69 64 62 76
Return inlet 72 69 65 53 47 45 36 31 59
Return outlet 72 76 79 73 67 69 64 62 76
Surrounding power 75 67 61 55 47 47 42 35 58
Surrounding pressure (dBA)
51
Air flow: 3000 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 61 69 57 46 43 41 30 24 55
Supply outlet 63 75 70 69 63 66 59 55 71
Return inlet 61 69 57 46 43 41 30 24 55
Return outlet 63 75 70 69 63 65 59 55 71
Surrounding power 66 66 53 51 43 43 37 28 54
Surrounding pressure (dBA) 47
Air flow: 4000 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 70 69 66 53 48 46 36 31 59
Supply outlet 70 76 80 74 68 71 65 62 77
Return inlet 70 69 66 53 48 46 36 31 59
Return outlet 70 76 80 74 68 71 65 62 77
Surrounding power 73 67 59 56 48 48 43 35 59
Surrounding pressure (dBA)
56