LogiCool InRak™
IT Cooling
32 InRak™ Technical Manual 7462807 V1.11.0_04_2016
Te
ch
ni
ca
l
DX
Frequency (Hz) dB
Fan load % Sound Measurement
Overall
dB(A)
63
125
250
500
1000
2000
4000
8000
LIR6042U-X123
N+1
100
Overall Lw
85
84
97
79
72
72
72
68
71
Sound Pressure @ 1m
77
76
89
71
64
64
64
60
63
50
Overall Lw
82
69
92
65
68
71
72
67
71
Sound Pressure @ 1m
74
61
84
57
60
63
64
59
63
LIR6042U-X130
N
100
Overall Lw
91
92
103
87
78
75
73
68
71
Sound Pressure @ 1m
82
84
95
79
70
67
65
60
63
50
Overall Lw
82
74
93
69
68
71
72
67
71
Sound Pressure @ 1m
74
66
85
61
60
63
64
59
63
LIR6042U-X240
N+1
100
Overall Lw
88
68
77
79
75
78
77
71
71
Sound Pressure @ 1m
79
60
69
71
67
70
69
63
63
50
Overall Lw
82
58
92
68
68
71
72
67
71
Sound Pressure @ 1m
73
50
84
60
60
63
64
59
63
LIR6042U-X250
N
100
Overall Lw
92
75
79
86
81
82
78
72
72
Sound Pressure @ 1m
83
67
71
78
73
74
70
64
64
50
Overall Lw
82
65
92
74
69
71
72
68
71
Sound Pressure @ 1m
74
57
84
66
61
63
64
60
63
Technical - Direct Expansion
Sound Data - (X1 / X2)
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.