Fujitsu C120-H007-06EN Computer Drive User Manual


 
C120-H007-05EN 113
Index
for air conditioner. . . . . . . . . . . . . . . . . . 31
for computer equipment . . . . . . . . . . . . 30
preventing
dew condensation in underfloor
ventilation
. . . . . . . . . . . . . . . . . . . . . . . 55
freezing of cooling water . . . . . . . . . . . . 57
water leak and installing detector . . . . . 56
prevention of entry of outside air . . . . . . . . 23
protection
against lightning
. . . . . . . . . . . . . . . . . . 91
of AC line. . . . . . . . . . . . . . . . . . . . . . . . 92
of signal line . . . . . . . . . . . . . . . . . . . . . 94
R
raised floor height. . . . . . . . . . . . . . . . . . . . 18
rat damage. . . . . . . . . . . . . . . . . . . . . . . . 105
recommended electrostatic voltage for
computer room
. . . . . . . . . . . . . . . . . . . . . . 63
recommended temperature and humidity for
computer room
. . . . . . . . . . . . . . . . . . . . . . 39
reducing harmonic current . . . . . . . . . . . . . 67
reducing leakage current . . . . . . . . . . . . . . 67
removing dust . . . . . . . . . . . . . . . . . . . . . . 43
rush current . . . . . . . . . . . . . . . . . . . . . . . . 73
S
scale. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
scheduling . . . . . . . . . . . . . . . . . . . . . . . . . . 5
seawater (salt damage) . . . . . . . . . . . . . . . 44
security action . . . . . . . . . . . . . . . . . . . . . . 95
separate transformer . . . . . . . . . . . . . . . . . 31
shaping waveform . . . . . . . . . . . . . . . . . . . 67
share of responsibility for construction in a
computer room
. . . . . . . . . . . . . . . . . . . . . . 88
shielding from direct sunlight . . . . . . . . . . . 23
signal ground . . . . . . . . . . . . . . . . . . . . . . . 80
signal wiring facilities . . . . . . . . . . . . . . . . . 32
slit floor panel. . . . . . . . . . . . . . . . . . . . . . . 19
sound absorption and insulation . . . . . . . . 23
sources of magnetic field and fault
symptom
. . . . . . . . . . . . . . . . . . . . . . . . . . 60
space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
static electricity . . . . . . . . . . . . . . . . . . . . . .63
step-down transformer . . . . . . . . . . . . . . . .31
strength of free-access floor panel . . . . . . .19
styles of air conditioner . . . . . . . . . . . . . . . .34
support staff assignment . . . . . . . . . . . . . . . .3
surface material of free-access floor panel .19
surge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
T
telecommunication equipment. . . . . . . . . . .14
temperature/humidity sensor. . . . . . . . . . . .54
thermal load imposed on air conditioner . . .45
top view . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
transformer
dedicated to 200 V computer system
. . .70
dedicated to 400 V computer system . . .71
typical distribution panel setup . . . . . . . . . .84
U
underfloor ventilation . . . . . . . . . . . .36, 37, 49
UPS
load specification
. . . . . . . . . . . . . . . . . .73
requirement . . . . . . . . . . . . . . . . . . . . . .72
terminating requirement . . . . . . . . . . . . .74
V
vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . .10
voltage conversion . . . . . . . . . . . . . . . . . . .67
voltage regulator . . . . . . . . . . . . . . . . . . . . .30
W
water
damage
. . . . . . . . . . . . . . . . . . . . . .10, 102
stock . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
water leaking
from air conditioner
. . . . . . . . . . . . . . . .103
from supply/drainage pipe . . . . . . . . . .103
window structure . . . . . . . . . . . . . . . . . . . .102
wiring
route
. . . . . . . . . . . . . . . . . . . . . . . . . . . .26
volume . . . . . . . . . . . . . . . . . . . . . . . . . .26