Particulate And Gaseous Contamination Specifications - Dell EMC PowerEdge MX7000 Installation And Service Manual

• Do not perform cold start at 5°C or lower, due to hard drive constraints.
• Redundant power supplies are required.
Expanded operating temperature restrictions
For more information about the expanded operating temperature restrictions, see the Installation and Service Manual for the PowerEdge
MX sleds at Dell.com/poweredgemanuals.
Table 33. Expanded operating temperature restrictions
System
Dell EMC PowerEdge MX7000
including the fans, Management
Module, and PSUs
Fabrics A and B modules
Fabric C I/O modules

Particulate and gaseous contamination specifications

The following table defines the limitations that help avoid any damages to the IT equipment and/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. Remediation of environmental conditions is the responsibility of the customer.
Table 34. Particulate contamination specifications
Particulate Specifications
contamination
Data center air filtration defines that, ISO Class 8 per ISO 14644-1 with a 95% upper confidence limit.
Air Filtration
Conductive dust Air must be free of conductive dust, zinc whiskers, or other conductive particles.
Corrosive dust
•
•
C30
No restrictions
No restrictions
No restrictions
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.
NOTE: This condition applies to data center and nondata 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 nondata center environments.
C35
No restrictions
No restrictions
No restrictions
C40E45
No restrictions
The MX9116n is not supported.
No restrictions
Technical specifications 63