Data Sheet for Product
Page 18 of 19 Siemens Industry, Inc.
Table 6. Discharge Sound Data for Single Duct Supply Air Terminal.
(Sound Power Levels, Lw dB, re 10^-12 Watts)
125 Pa (0.5" W.G.) 250 Pa (1.0" W.G.) 500 Pa (2.0" W.G.) 750 Pa (3.0" W.G.)
Unit Airflow Octave Band Octave Band Octave Band Octave Band
Size cfm L/s 2 3 4 5 6 7 2 3 4 5 6 7 2 3 4 5 6 7 2 3 4 5 6 7
600 283 49 46 46 46 43 42 55 53 52 52 49 49 61 60 59 58 55 56 65 64 62 62 59 60
1400 661 55 51 52 51 48 46 62 58 58 57 54 53 68 65 65 63 60 59 71 70 69 67 64 63
16 2200 1038 59 54 55 54 50 48 65 61 62 60 56 54 71 68 68 66 63 61 75 72 72 70 66 65
3000 1416 61 56 57 56 52 49 67 63 64 62 58 56 74 70 70 68 64 62 77 74 74 71 68 66
3800 1793 63 58 59 58 53 50 69 65 65 63 59 57 75 72 72 69 66 63 79 76 76 73 69 67
4470 2110 64 59 60 58 54 51 71 66 67 64 60 57 77 73 73 70 66 64 80 77 77 74 70 68
1500 708 55 53 51 51 48 45 60 58 57 57 53 50 65 64 63 63 58 55 68 67 66 66 60 59
3500 1652 65 62 61 60 57 53 70 68 67 66 62 59 75 73 73 71 67 64 78 76 76 75 70 67
18 5500 2596 70 67 66 64 63 58 75 73 72 70 67 63 80 78 78 76 72 69 83 82 81 79 75 72
7500 3540 74 71 70 68 66 61 79 76 76 73 71 67 84 82 81 79 76 72 87 85 85 82 79 75
8530 4026 75 72 71 69 67 63 80 78 77 75 72 68 85 83 83 80 77 73 88 86 86 84 80 76
Performance Notes
:
1. Tested in accordance with AHRI 880-2011 and ASHRAE Standard 130-1996: "Methods of Testing for Rating Ducted Air
Terminal Units".
2. Airflow given in liters/second L/s; and cubic feet/minute, cfm.
3. Blank spaces ”–“ indicate sound power levels less than 20.
4. Pressure given in Pascals, (Pa) and inches of water gauge (in. w.g.).
Table 7. Radiated Sound Data for Single Duct Supply Air Terminals
(Sound Power Levels, Lw dB, re 10^-12 Watts)
125 Pa (0.5" W.G.) 250 Pa (1.0" W.G.) 500 Pa (2.0" W.G.) 750 Pa (3.0" W.G.)
Unit Airflow
Octave Band Octave Band Octave Band Octave Band
Size cfm L/s 2 3 4 5 6 7 2 3 4 5 6 7 2 3 4 5 6 7 2 3 4 5 6 7
75 35 37 31 29 21 — — 37 32 32 25 25 -- 37 33 36 30 31 28 37 34 37 32 34 33
4 150 71 51 45 38 29 22 — 51 46 41 33 28 20 51 47 44 38 34 29 51 47 46 40 38 34
225 106 59 53 43 34 25 — 59 54 46 38 31 20 59 55 49 42 37 29 59 55 51 45 40 34
280 132 63 57 46 36 26 — 63 58 49 40 32 20 63 59 52 45 38 29 63 60 54 47 42 34
125 59 41 33 31 27 23 — 44 37 35 31 29 25 47 41 38 36 35 33 48 44 40 38 38 38
250 118 50 43 39 33 27 — 52 47 43 37 32 26 55 52 46 42 38 35 57 54 48 44 42 40
6 375 177 55 49 44 37 29 — 57 53 47 41 34 27 60 58 51 45 40 35 62 60 53 47 44 40
500 236 58 53 47 39 30 — 61 58 51 43 36 28 64 62 54 48 42 36 65 64 56 50 45 41
630 297 61 57 50 41 31 — 64 61 53 45 37 28 66 65 57 50 43 37 68 68 59 52 46 41
175 83 42 32 29 24 — — 45 37 34 30 24 -- 48 42 40 35 31 25 49 45 43 38 34 29
375 177 51 40 36 31 24 — 54 46 42 36 31 25 57 51 47 42 37 32 58 54 50 45 41 35
8 575 271 56 45 41 35 28 23 59 51 46 40 34 29 62 56 52 46 41 35 63 59 55 49 44 39
775 366 59 49 44 38 31 25 62 54 49 43 37 31 65 59 55 48 43 38 67 62 58 51 47 42
975 460 62 52 46 40 33 27 65 57 51 45 39 33 68 62 57 50 45 40 70 65 60 53 49 43
1115 526 64 53 47 41 34 28 67 58 53 46 40 34 70 63 58 51 46 41 71 66 61 55 50 45
250 118 41 31 33 28 22 — 45 36 40 34 29 25 49 42 46 40 36 32 51 45 50 43 40 36
550 260 49 39 38 32 27 21 53 45 45 38 33 28 56 50 51 44 40 35 59 54 55 48 44 39
10 850 401 53 43 41 35 29 23 57 49 48 41 36 30 61 55 54 47 42 37 63 58 58 50 46 41
1150 543 56 47 43 36 30 24 60 52 50 42 37 31 63 58 56 49 44 38 66 61 60 52 48 42
1450 684 58 49 45 38 32 25 62 55 51 44 38 32 66 60 58 50 45 39 68 64 61 53 49 43
1745 824 60 51 46 39 33 25 64 57 53 45 39 32 67 62 59 51 46 40 70 66 63 55 50 44
350 165 37 34 36 27 -- -- 42 40 43 33 26 23 47 45 49 38 32 30 50 49 52 42 35 33
850 401 45 42 42 34 28 22 50 48 49 40 34 29 55 53 55 45 40 35 58 57 58 49 43 39
12 1350 637 50 46 45 37 32 25 55 52 52 43 38 31 60 58 58 49 44 38 63 61 61 52 47 41
1850 873 53 49 48 40 35 27 58 55 54 46 40 33 63 60 60 51 46 40 66 64 64 55 50 43
2350 1109 55 51 49 42 37 28 60 57 55 48 43 35 65 63 62 53 48 41 68 66 65 57 52 45