Dell R820 owner manual Gaseous Contamination

Environmental

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.

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.

Gaseous Contamination

•Air must be free of corrosive dust.

•Residual dust present in the air must have a deliquescent point less than 60% relative humidity.

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.

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