Dell PowerEdge VRTX Technical Manual

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Dell PowerEdge VRTX Technical Manual Manual pdf 41 page image

41 PowerEdge VRTX Technical GuideEnvironmental specificationsTable 19.Dell Fresh Air: temperature, humidity, altitude de-ratingExpandedoperationExpanded operating temperature ranges are supported for fresh air environments.≤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 to5°C or up to 40°C for a maximum of 10% of its annual operating hours. For temperaturesbetween 35°C and 40°C, de-rate maximum allowable dry bulb temperature by 1°C per 175m 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 bulbtemperature 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 bereported on the LCD and in the System Event Log.Various configuration limitations will apply to systems eligible to run in the expandedoperating temperature ranges.Continuousoperation10°C to 35°C (50°F to 95°F) at 20% to 80% relative humidity with 26°C (78.8°F) maximumdew point (maximum wet bulb temperature). De-rate maximum allowable dry bulbtemperature at 1°C per 300 m above 900 m (1°F per 547 ft above 2953 ft).TemperatureOperating See Dell Fresh Air for temperature informationStorage –40oC to 65oC (–40oF to 149oF) with a maximum temperature gradation of 20oC per hourRelative humidityOperating See Dell Fresh Air for relative humidity informationStorage 5% to 95% at a maximum wet bulb temperature of 33°C (91°F); atmosphere must be non-condensing at all timesMaximum vibrationOperating 0.26 Grms at 5Hz to 350Hz for 15 minutesStorage 1.54 Grms at 10Hz to 250Hz for 15 minutesMaximum shockOperating 1 shock pulse in the positive z axis (one pulse on each side of the system) of 31G for up to2.6msStorage 6 consecutively executed shock pulses in the positive and negative x, y and z axes (onepulse on each side of the system) of 71G for up to 2ms