Bull Novascale R423-E2, Installation And User Manual, Page: 18 / 146

2-2
N
ovaS
c
ale R423-E2 Installation and User's Guide
Choosing a Setup Location
Leave enough clearance in front of the rack to enable you to open the front
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door completely (about 65 cm / 25 inches) and approximately 75 cm / 30 inches
of clearance in the back of the rack to allow for sufficient airflow and ease in
servicing.
! !
Warnings and Precautions!
This product is for installation only in a Restricted Access Location (dedicated
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equipment rooms, service closets and the like).
This product is not suitable for use with visual display work place devices
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acccording to §2 of the the German Ordinance for Work with Visual Display
Units.
Rack Precautions
Ensure that the leveling jacks on the bottom of the rack are fully extended to
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the floor with the full weight of the rack resting on them.
In single rack installation, stabilizers should be attached to the rack. In multiple
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rack installations, the racks should be coupled together.
Always make sure the rack is stable before extending a component from the
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rack.
You should extend only one component at a time - extending two or more si-
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multaneously may cause the rack to become unstable.
Server Precautions
Review the electrical and general safety precautions in Chapter 4.
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Determine the placement of each component in the rack
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before you install the
rails.
Install the heaviest server components on the bottom of the rack first, and then
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work up.
Use a regulating uninterruptible power supply (UPS) to protect the server from
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power surges, voltage spikes and to keep your system operating in case of a
power failure.
Allow the hot plug SATA drives and power supply modules to cool before touch-
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ing them.
Always keep the rack's front door and all panels and components on the servers
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closed when not servicing to maintain proper cooling.