Vertiv Liebert MC series, Инструкция по установке и эксплуатации

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B.5 Liebert® MC Medium Platform Sound Pressure Data
Sound Pressure at Distance = 10 ft. (3.05 m) dB
Octave Band Data A-Weighted, dBA
Frequency
(Hz)
Percent Fan Speed Percent Fan Speed
20% 50% 80% 100% 20% 50% 80% 100%
63 34
1
46 59 58 8
1
20 33 31
125 31 50 59 65 15 34 43 49
250 29 46 58 64 20 38 49 55
500 36 44 56 62 33 40 53 59
1000 22 41 54 60 22 41 54 60
2000 13
1
36 50 57 14
1
37 52 58
4000 13
1
28 44 51 14
1
29 45 52
8000 12
1
21 38 46 11
1
20 37 45
Total 39 54 65 70 33 46 59 65
1
These values indicate the upper boundary limit due to background noise levels. Actual field values ma be equal to or less than that listed.
Sound pressure level data used to develop this table was determined to be in accordance with AHRI Standard 220 and 270. Source: ASHRAE Fundamentals
2009, 8.8
Table B.9 Sound Pressure Data for MCM040 at 10 ft. (3.05 m), dB
Sound Pressure at Distance = 10 ft. (3.05 m), dB
Octave Band Data A-Weighted, dBA
Frequency
(Hz)
Percent Fan Speed Percent Fan Speed
20% 50% 80% 100% 20% 50% 80% 100%
63 38
1
49 62 61 11
1
23 36 34
125 34 54 62 68 18 37 46 52
250 32 49 61 67 23 41 52 58
500 39 47 59 65 36 43 56 62
1000 25 44 57 63 25 44 57 63
2000 16
1
39 53 60 17
1
40 55 61
4000 16
1
31 47 54 17
1
32 48 55
8000 15
1
24 41 49 14
1
23 40 48
Total 42 57 68 73 36 49 62 68
1
These values indicate the upper boundary limit due to background noise levels. Actual field values may be equal to or less than that listed.
Sound pressure level data used to develop this table was determined to be in accordance with AHRI Standard 220 and 270. Source: ASHRAE Fundamentals
2009, 8.8
Table B.10 Sound Pressure Data for MCM080 at 10 ft. (3.05 m), dB
Vertiv | Liebert® MC Installer/User Guide
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