Dell poweredge VRTX Manual técnico - Página 41
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Dell Fresh Air: temperature, humidity, altitude de-rating
Expanded operating temperature ranges are supported for fresh air environments.
Expanded
operation
≤10% of annual operating hours: 5°C to 40°C at 5% to 85% RH with 26°C dew point.
≤1% of annual operating hours: –5°C to 45°C at 5% to 90% RH with 26°C dew point.
Outside the standard operating temperature (10°C to 35°C), the system can operate down to
5°C or up to 40°C for a maximum of 10% of its annual operating hours. For temperatures
between 35°C and 40°C, de-rate maximum allowable dry bulb temperature by 1°C per 175
m above 950 m (1°F per 319 ft).
Outside the standard operating temperature (10°C to 35°C), the system can operate down to
–5°C or up to 45°C for a maximum of 1% of its annual operating hours.
For temperatures between 40°C and 45°C, de-rate maximum allowable dry bulb
temperature by 1°C per 125 m above 950 m (1°F per 228 ft).
When operating in the expanded temperature range, system performance may be impacted.
When operating in the expanded temperature range, ambient temperature warnings may be
reported on the LCD and in the System Event Log.
Various configuration limitations will apply to systems eligible to run in the expanded
operating temperature ranges.
Continuous
10°C to 35°C (50°F to 95°F) at 20% to 80% relative humidity with 26°C (78.8°F) maximum
operation
dew point (maximum wet bulb temperature). De-rate maximum allowable dry bulb
temperature at 1°C per 300 m above 900 m (1°F per 547 ft above 2953 ft).
Temperature
Operating
See Dell Fresh Air for temperature information
o
Storage
–40
C to 65
Relative humidity
Operating
See Dell Fresh Air for relative humidity information
Storage
5% to 95% at a maximum wet bulb temperature of 33°C (91°F); atmosphere must be non-
condensing at all times
Maximum vibration
Operating
0.26 Grms at 5Hz to 350Hz for 15 minutes
Storage
1.54 Grms at 10Hz to 250Hz for 15 minutes
Maximum shock
Operating
1 shock pulse in the positive z axis (one pulse on each side of the system) of 31G for up to
2.6ms
Storage
6 consecutively executed shock pulses in the positive and negative x, y and z axes (one
pulse on each side of the system) of 71G for up to 2ms
41
PowerEdge VRTX Technical Guide
Table 19.
Environmental specifications
o
o
o
C (–40
F to 149
F) with a maximum temperature gradation of 20
o
C per hour