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Environmental specifications
40 °C to 45 °C (104 °F to 113 °F) Maximum temperature is reduced by 1°C/125 m
(1°F/228 ft) above 950 m (3,117 ft).
Particulate contamination
NOTE: This section defines the limits to help avoid IT equipment damage and/or failure from
particulates and gaseous contamination. If it is determined that levels of particulates or gaseous
pollution are beyond the limits specified below and are the reason for the damage and/or failures
to your equipment, it may be necessary for you to re-mediate the environmental conditions that
are causing the damage and/or failures. Re-mediation of environmental conditions will be the
responsibility of the customer.
Air filtration
NOTE: 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.
Data center air filtration as defined by ISO Class 8
per ISO 14644-1 with a 95% upper confidence
limit.
NOTE: Air entering the data center must
have MERV11 or MERV13 filtration.
Conductive dust
NOTE: Applies to data center and non-data
center environments.
Air must be free of conductive dust, zinc whiskers,
or other conductive particles.
Corrosive dust
NOTE: Applies to data center and non-data
center environments.
• Air must be free of corrosive dust.
• Residual dust present in the air must have a
deliquescent point less than 60% relative
humidity.
Gaseous contamination
NOTE: Maximum corrosive contaminant levels measured at ≤50% relative humidity.
Copper coupon corrosion rate <300 Å/month per Class G1 as defined by ANSI/
ISA71.04-1985.
Silver coupon corrosion rate <200 Å/month as defined by AHSRAE TC9.9.
Expanded operating temperature
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 and in the System Event Log.
Continuous operation 5°C to 40°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 down to 5°C or as high
as 40°C.
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