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Particulate contamination
Conductive dust
Corrosive dust
Table 17. Gaseous contamination specifications
Gaseous contamination
Copper coupon corrosion rate
Silver coupon corrosion rate
NOTE:
Maximum corrosive contaminant levels measured at ≤50% relative humidity.
Standard operating temperature
Table 18. Standard operating temperature specifications
Standard operating temperature
Continuous operation (for altitude less than 950 m or 3117
ft)
Humidity percentage range
Expanded operating temperature
Table 19. Expanded operating temperature specifications
Expanded operating temperature
Less than or equal to 10% of annual operating hours
Less than or equal to 1% of annual operating hours
Specifications
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.
•
Air must be free of corrosive dust.
•
Residual dust present in the air must have a deliquescent point less than
60% relative humidity.
NOTE:
This condition applies to data center and non-data center
environments.
Specifications
<300 Å/month per Class G1 as defined by ANSI/ISA71.04-1985.
<200 Å/month as defined by AHSRAE TC9.9.
Specifications
10°C to 35°C (50°F to 95°F) with no direct sunlight on the equipment.
10% to 80% Relative Humidity with 26°C (78.8°F) maximum dew point.
Specifications
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 in temperatures as low
as 5°C and as high as 40°C.
For temperatures between 35°C and 40°C, de-rate maximum allowable dry
bulb temperature by 1°C per 175 m above 950 m (1°F per 319 ft).
–5°C to 45°C at 5% to 90% RH with 29°C dew point.
Technical specifications
17
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