Dell PowerVault MD3800i Podręcznik dla początkujących - Strona 8
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Environmental
Storage
Operating Altitude De-rating
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 remediate the environmental conditions that are
causing the damage and/or failures. Remediation 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.
Conductive Dust
NOTE: Applies to data center and
non-data center environments.
Corrosive Dust
NOTE: Applies to data center and
non-data center environments.
Gaseous Contamination
NOTE: Maximum corrosive contaminant levels measured at ≤50% relative humidity
Copper Coupon Corrosion Rate
Silver Coupon Corrosion Rate
8
NOTE: For altitudes above 2950 ft, the maximum
operating temperature is derated 1.8 ºF/1000 ft.
Up to 12,000 m ( 39,370 ft).
Up to 35 °C (95 °F) maximum temperature is reduced
by 1 °C/300 m (1 °F/547 ft) above 950 m (3,117 ft)
35 °C to 40 °C (95 °F to 104 °F) maximum temperature
is reduced by 1 °C/175 m (1 °F/319 ft) above 950 m
(3,117 ft)
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)
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.
Air must be free of conductive dust, zinc whiskers, or
other conductive particles.
•
Air must be free of corrosive dust.
•
Residual dust present in the air must have a
deliquescent point less than 60% relative humidity.
<300 Å/month per Class G1 as defined by ANSI/
ISA71.04-1985.
<200 Å/month as defined by AHSRAE TC9.9.