Installation Guidelines; Floor Space And Loading; Rack Space; Installing Equipment In The Rack - HP System/E41 User Manual

Chapter 3
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Installation Guidelines

The following section defines the floor loading requirements, and set up guidelines.

Floor Space and Loading

Observe floor loading requirements (especially raised floors) and ensure adequate space before moving
your Rack System/E, and all safety items while moving.
At maximum gross weight, the floor must be able to support 677-kg/ sq cm (2000 lb./sq in).
WARNING
It is the customer's responsibility to determine the floor loading capacities at the
installation site, and for the entire route when moving. Failure to do so could
result in personal injury and/or equipment damage.
Because the weight is concentrated on the four casters, a maximum weight rack requires a reinforced
floor. Hewlett-Packard recommends removing components and moving them separately when moving a
rack over a floor (especially a raised floor) of unknown capacity.
WARNING
Heavily loaded racks may require reinforced tiles or a sub structure on a
raised floor.

Rack Space

Select a location for the rack that will afford adequate space for the doors to open freely, and slide-mount-
ed equipment to be extended.
Door Clearance
The rack requires a minimum of 600 mm (23.6 in) for rear door clearance. The same amount is required
for the front door, if installed.
Cable Access
The base of the rack stops 100 mm (3.9 in) short of the rear door, providing an access path for power and
signal cables.

Installing Equipment in the Rack

Two main considerations should be kept in mind when installing equipment into racks: weight and balance
(especially for slide-mounted equipment), and heat dissipation. This section includes some worksheets for
calculating the weight and balance for slide mounted products and an optional work surface.
Always install equipment from the bottom to the top to keep the center of gravity as low as possible. The
order that you put them should be based on how well a given piece of equipment promotes or impedes
heat removal, if heat removal is an issue.

Ventilation and Heat Dissipation

Most HP products draw air in through the front and exhaust out the back. The Rack System/E is designed
to accommodate this cooling scheme. Any trapped heat will be convected through the top perforations.
Installation Guidelines
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