Model
Fan
Speed
Average Sound
Pressure
Level dB(A)
Location
1/3 Octave Band Center
Freq
315
Hz
400
Hz
500
Hz
630
Hz
800
Hz
1
kHz
1.25
kHz
1.6
kHz
Sound Pressure
Level dB(A)
dB
dB
dB
dB
dB
dB
dB
dB
CRC60
100%
80.6
Front
83.3
62.2
71.3
83
69.8
67.7
73.9
72.7
75.1
Right
78
59.4
66.3
75.9
66.6
66.1
71.4
69
71.8
Left
78.3
59.9
67.4
76
69.2
66.1
70.4 69
72
CRC30
100%
76.5
Front
78.9
61.9
70.2
67.9
65.6
68.8
69.5
72.6
73.9
Right
74.5
57.4
69.3
66.6
63.9
66.3
65.2
67.5
69.4
Left
74.4
58.4
68
66.1
63.1
65.8
65
67.6
68.7
CRC30
89%
73.2
Front
75.6
61.2
68.3
62.9
63.2
67.6
66.4
68.8
68.8
Right
71.1
56.5
64.7
60.2
61.6
66
62
64.9
64.3
Left
71.5
58
66.9
61.4
61
65.6
61.9
64.7
64
Model
Fan Speed
Average Sound
Pressure
Level dB(A)
Location
1/3 Octave Band Center
Freq
2 kHz
2.5 kHz
3.15 kHz
4 kHz
5 kHz
6.3 kHz
8 kHz
10 kHz
Sound Pressure
Level dB(A)
dB
dB
dB
dB
dB
dB
dB
dB
CRC60
100%
80.6
Front
83.3
75
75.9
73.9
71.9
69.6
67.3
63.6
58.7
Right
78
70.3
71.1
68.1
65.3
63.5
59.7
55.7
50
Left
78.3
70.7
71.7
68.8
65.9
63.6
60.1
55.3
49.5
CRC30
100%
76.5
Front
78.9
71.9
73.8
71.3
69.5
66.3
64.4
60.6
56.3
Right
74.5
66.7
68.1
65.1
62
59.7
56.2
51.9
46.8
Left
74.4
67.3
69.1
65.8
62.4
62
56.1
51.3
45.5
CRC30
89%
73.2
Front
75.6
69.3
71.2
67.9
65.8
62.4
60.4
56.4
52.2
Right
71.1
63.9
64.8
61.9
58.3
55.9
52.4
48.1
42.8
Left
71.5
64.2
65.4
62.5
58.7
55.9
52.3
47.3
41.5
NOTE: The sound level is measured in free field at three locations, each of which is 1 m (3.3 ft) high and 2 m (6.6 ft)
away from the air conditioner, with fans in operation.
2 Product Overview
12
Vertiv™ Liebert® CRV CRC30 and CRC60 Chilled Water Cooling System User Manual