Acer AB460 F1 - Manual (Page 33)

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• Allow the hot plug hard drives and power supply units to cool
before touching them.
• Always keep the rack's front door and all panels and components
on the servers closed when not servicing to maintain proper
cooling.
Rack Mounting Considerations
Below are listed important considerations for rack mounting.
Ambient Operating Temperature
If installed in a closed or multi-unit rack assembly, the ambient
operating temperature of the rack environment may be greater than
the ambient temperature of the room. Therefore, consideration should
be given to installing the equipment in an environment compatible
with the manufacturer’s maximum rated ambient temperature. Refer
to Appendix E for operating temperature specifications.
Reduced Airflow
Equipment should be mounted into a rack so that the amount of
airflow required for safe operation is not compromised.
Mechanical Loading
Equipment should be mounted into a rack so that a hazardous
condition does not arise due to uneven mechanical loading.
Circuit Overloading
Consideration should be given to the connection of the equipment to
the power supply circuitry and the effect that any possible overloading
of circuits might have on over-current protection and power supply
wiring. Appropriate consideration of equipment nameplate ratings
should be used when addressing this concern.
Reliable Ground
A reliable ground must be maintained at all times. To ensure this, the
rack itself should be grounded. Particular attention should be given to