Product Overview
Vertiv | Liebert CRD10 | User Manual
8
1.5
Sound parameters
The sound parameters of the Liebert CRD10 are given in Table 1-6.
Table 1-6 Sound Parameters
1/3 Octave
Band Center
Freq [Hz]
Air volume
50
dB
63
dB
80
dB
100
dB
125
dB
160
dB
200
dB
250
dB
315
dB
400
dB
500
dB
630
dB
m3/h
SCFM
IDFAN 75%
3250
1913
28.6
25.4
33.8
33.7
32.3
40.2
42.7
46.4
52.9
68.3
67.3
58.0
IDFAN 70%
3000
1766
29.1
24.5
34.7
31.2
30.9
38.2
40.5
45.2
53.6
64.4
58.9
56.2
IDFAN 60%
2500
1471
24.8
26.8
28.9
28.9
30.9
33.9
39.3
45
59.3
59.5
53.2
59.4
1/3 Octave
Band Center
Freq [Hz]
800
dB
1000
dB
1250
dB
1600
dB
2000
dB
2500
dB
3150
dB
4000
dB
5000
dB
6300
dB
8000
dB
10000
dB
db(A
)
IDFAN 75%
63
63.1
67.8
65.7
65.4
66.4
63.7
61.8
59.8
57.4
55.2
49.4
76.3
IDFAN 70%
62.1
58.7
64.4
64.4
63.6
64.1
61.5
60.1
57.8
55.2
52.6
47.2
73.1
IDFAN 60%
60
59.2
59.7
60.4
59
59.7
57.4
55.4
53.1
50.1
47.1
42.3
70.1
Test Conditions:
•
Semi-anechoic chamber environmental test.
•
The test point is 2m(6.6ft.) away from the unit and 1m(3.3ft.) away from the ground.
1.6
Main Components of Indoor Unit
The following section expounds the list of components used in the CRD10 Precision Air conditioning models.
1.6.1
DC Brushless Compressor
The CRD10 Air conditioning models comprise of a DC Brushless compressor which has a host of promising
features as mentioned in the following list:
•
Low operational noise
•
Rapid Cooling
•
Less Vibration
Figure 1-5 DC Brushless Compressor
