Dell EMC VMAX 250F, Руководство по планировке объекта, Страница: 28 / 132

Air volume, air quality, and temperature
The installation site must meet certain recommended requirements for air volume,
temperature, altitude, and humidity ranges, and air quality.
Air volume specifications
The following table provides the recommended maximum amount of air volume.
Table 8 Maximum air volume, VMAX 250F
Bay Units
System bay, 1 V-Brick 490 cfm (13.9 m
3
/min)
System bay, 2 V-Bricks 980 cfm (27.8 m
3
/min)
Table 9 Maximum air volume, VMAX 450F, VMAX 850F, VMAX 950F
Bay Units
System bay 1,325 cfm (37.4 m
3
/min)
Temperature, altitude, and humidity ranges
The following table provides the recommended environmental operating ranges.
Table 10 Environmental operating ranges
Condition System
Operating temperature and operating
altitude
a
l
50° – 90° F (10° to 32° C) at 7,500 ft
(2,286 m)
l
50° – 95° F (10° to 35° C) at 3,317 ft
(950 m)
Operating altitude (maximum) 10,000 ft (3,048 m) 1.1° derating per 1,000
ft
b
Operating relative humidity extremes 20% to 80% noncondensing
Operating rate of temperature change 9° F/Hr (5° C/Hr)
Thermal excursion 122° F (48° C) (up to 24 hours)
a. These values apply to the inlet temperature of any component within the bay.
b. Derating equals an operating temperature of 29.25° C
Temperature and humidity range recommendations
The following table provides the recommended operating and humidity ranges to
ensure long-term reliability, especially in environments where air quality is a concern.
Specifications
28 Site Planning Guide VMAX 250F, VMAX 450F, VMAX 850F, VMAX 950F with HYPERMAX OS