Dell PowerEdge XR4000z Installation and Service Manual

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Environmental specifications

NOTE:For additional information about environmental certifications, see the Product Environmental Datasheet located with the Documentation on Dell Support.

Table 1. Operational climatic range ASHRAE category A4The following table shows the operational climatic range ASHRAE category A4
ASHRAE A4	Allowable continuous operations
Temperature Ranges (For Altitude <900 meters or 2953 feet)	5°C-45°C (41°F-113°F) with no direct sunlight on the equipment
Humidity Percent Ranges (Non-Condensing at all times)	8% RH with -12°C minimum dew point to 90% RH with 24°C (75.2°F) maximum dew point
Operational Altitude De-Rating	Maximum temperature is reduced by 1°C/125 meters (1.8°F/410 feet) above 900 meters (2,953 feet)

Table 2. Operational climatic range ASHRAE Rugged (limits available components)The following table shows the operational climatic range ASHRAE Rugged (limits available components).
Rugged	Allowable continuous operations
Temperature Ranges (For Altitude <900 meters or 2953 feet)	-5°C-55°C (23°F-131°F) with no direct sunlight on the equipment
Humidity Percent Ranges (Non-Condensing at all times)	8% RH with -12°C minimum dew point to 90% RH with 24°C (75.2°F) maximum dew point
Operational Altitude De-Rating	Maximum temperature is reduced by 1°C/80 meters (1.8°F/262 feet) above 900 meters (2,953 feet)

Table 3. Shared requirementsThe following table shows the shared requirements,
Allowable continuous operations
Maximum Temperature Gradient (applies to both operation and non-operation)	20°C in an hour* (36°F in an hour) and 5°C in 15 minutes (9°F in 15 minutes), 5°C in an hour* (9°F in an hour) for tape hardware
Non-Operational Temperature Limits	-40°C-65°C (-40°F-149°F)
Non-Operational Humidity Limits (Non-Condensing at all times)	5% to 95% RH with 27°C (80.6°F) maximum dew point.
Maximum Non-Operational Altitude	12,000 meters (39,370 feet)
Maximum Operational Altitude	3,048 meters (10,000 feet)