Technical Data - Dual Cool Chilled Water
Sound Data - (CC)
Frequency (Hz) dB
Fan
Load % Sound Measurement
Overall
dB(A)
63
125
250
500
1000
2000
4000
8000
LIR6042U-CC22-0 N+1
100
Overall Lw
81
84
94
79
70
66
59
53
48
Sound Pressure @ 1m
73
76
86
71
62
58
51
45
40
50
Overall Lw
65
69
77
63
56
53
46
40
34
Sound Pressure @ 1m
57
61
69
55
48
45
38
32
26
LIR6042U-CC26-0
N
100
Overall Lw
90
92
102
87
77
73
65
59
55
Sound Pressure @ 1m
81
84
94
79
69
65
57
51
47
50
Overall Lw
70
74
83
69
61
57
50
44
39
Sound Pressure @ 1m
62
66
75
61
53
49
42
36
31
LIR6042U-CC30-0 N+1
100
Overall Lw
83
68
70
79
74
74
67
61
59
Sound Pressure @ 1m
74
60
62
71
66
66
59
53
51
50
Overall Lw
64
58
66
67
58
55
49
45
44
Sound Pressure @ 1m
55
50
58
59
50
47
41
37
36
LIR6042U-CC40-0
N
100
Overall Lw
90
75
76
86
81
81
73
68
66
Sound Pressure @ 1m
81
67
68
78
73
73
65
60
58
50
Overall Lw
70
65
73
74
65
61
54
50
50
Sound Pressure @ 1m
62
57
65
66
57
53
46
42
42
LogiCool InRak™
IT Cooling
50 InRak™ Technical Manual 7462807 V1.11.0_04_2016
Te
ch
ni
ca
l
Du
al C
irc
ui
t
(C
C)
N+1
(75% Max fan speed) 100% fan load refers to 4 fans operating at this N+1 fan speed
N+1
(75% Max fan speed) 50% fan load refers to 4 fans operating at 50% of N+1 Max fan speed.
N
(100% Fan speed) 100% fan load refers to 4 fans operating at 100% of N Max fan speed.
N
(100% Fan speed) 50% fan load refers to 4 fans operating at 50% of N Max fan speed.