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Expanded operating temperature
Table 31. Expanded operating temperature specifications
Expanded operating temperature
Continuous operation
≤ 1% of annual operating hours
NOTE:
When operating in the expanded temperature range, system performance may be impacted.
NOTE:
When operating in the expanded temperature range, ambient temperature warnings may be reported on the LCD
panel and in the System Event Log.
Expanded operating temperature restrictions
● Do not perform cold start below -15C Per IEC 60945.
● The operating temperature specified is for a maximum altitude of 950 m.
● Redundant power supplies are required.
● Non-Dell qualified peripheral cards and/or peripheral cards greater than 25 W are not supported.
Particulate and gaseous contamination specifications
The following table defines the limitations that help avoid any equipment damage or failure from particulates and gaseous
contamination. If the levels of particulates or gaseous pollution exceed the specified limitations and result in equipment damage
or failure, you may need to rectify the environmental conditions. Re-mediation of environmental conditions is the responsibility
of the customer.
Table 32. Particulate contamination specifications
Particulate contamination
Air filtration
Conductive dust
24
Technical specifications
Specifications
5°C to 45°C at 5% to 85% RH with 29°C dew point.
NOTE:
Outside the standard operating temperature (10°C to
35°C), the system can operate continuously in temperatures as low
as 5°C and as high as 45°C.
For temperatures between 35°C and 45°C, de-rate maximum
allowable temperature by 1°C per 175 m above 950 m (1°F per 319
ft).
–5°C to 55°C at 5% to 90% RH with 29°C dew point.
NOTE:
Outside the standard operating temperature (10°C to
35°C), the system can operate down to –5°C or up to 55°C for a
maximum of 1% of its annual operating hours.
For temperatures between 45°C and 55°C, de-rate maximum
allowable temperature by 1°C per 125 m above 950 m (1°F per 228
ft).
Specifications
Data center air filtration as defined by ISO Class 8 per ISO 14644-1
with a 95% upper confidence limit.
NOTE:
This condition applies to data center environments only. Air
filtration requirements do not apply to IT equipment designed to be
used outside a data center, in environments such as an office or
factory floor.
NOTE:
Air entering the data center must have MERV11 or MERV13
filtration.
Air must be free of conductive dust, zinc whiskers, or other
conductive particles.
NOTE:
This condition applies to data center and non-data center
environments.
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