Dell EMC VMAX 250F, Руководство по планировке объекта, Страница: 31 / 132

Table 14 Sound power and sound pressure levels, A-weighted, VMAX 450F, VMAX 850F, VMAX
950F (continued)
b. Measured at the four bystander positions per ISO7779
Hardware acclimation times
Systems and components must acclimate to the operating environment before
applying power. This requires the unpackaged system or component to reside in the
operating environment for up to 16 hours in order to thermally stabilize and prevent
condensation.
Table 15 Hardware acclimation times (systems and components)
If the last 24 hours of the
TRANSIT/STORAGE
environment was this:
…and the OPERATING
environment is this:
…then let the system
or component
acclimate in the new
environment this many
hours:
Temperature Humidity
Nominal
68-72°F
(20-22°C) Nominal
40-55% RH Nominal 68-72°F (20-22°C)
40-55% RH 0-1 hour
Cold
<68°F (20°C) Dry
<30% RH <86°F (30°C) 4 hours
Cold
<68°F (20°C) Damp
≥30% RH <86°F (30°C) 4 hours
Hot
>72°F (22°C) Dry
<30% RH <86°F (30°C) 4 hours
Hot
>72°F (22°C) Humid
30-45% RH <86°F (30°C) 4 hours
Humid
45-60% RH <86°F (30°C) 8 hours
Humid
≥60% RH <86°F (30°C) 16 hours
Unknown <86°F (30°C) 16 hours
NOTICE
l
If there are signs of condensation after the recommended acclimation time has
passed, allow an additional eight (8) hours to stabilize.
l
Systems and components must not experience changes in temperature and
humidity that are likely to cause condensation to form on or in that system or
component. Do not exceed the shipping and storage temperature gradient of
45°F/hr (25°C/hr).
Specifications
Hardware acclimation times 31