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Installation 13

Selecting a site

WARNING: To prevent fire or electric shock, install the unit in a temperature- and

humidity-controlled indoor environment, free of conductive contaminants.

When selecting a site, consider the following factors:

• Elevated operating ambient temperature—If the equipment is installed in a closed or multi-unit rack

assembly, the operating ambient temperature of the rack environment might be greater than room

ambient temperature. Install the equipment in an environment compatible with the operating

temperature ("Environmental specifications" on page 62).

• Reduced air flow—In the rack, the rate of air flow required for safe operation of the equipment must

not be compromised.

• Circuit overloading—Consideration should be given to the connection of the equipment to the supply

circuit and the effect that overloading of the circuits might have on overcurrent protection and supply

wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing

this concern.

• Reliable earthing—Reliable earthing of rack-mounted equipment should be maintained. Particular

attention should be given to supply connections other than direct connections to the branch circuit,

such as the use of power strips.

• Electrical requirements—All models require a dedicated (unshared) branch circuit, suitably rated for

the specific UPS as stated in "Input specifications" .

Readying the equipment

1. Check the battery recharge date specified on the label that is affixed to the shipping carton.

IMPORTANT: Do not use the battery if the recharge date has passed. If the date on the

battery recharge date label has passed without the battery being recharged, contact a Hewlett

Packard Enterprise authorized service representative for directions.

2. Transport the packaged unit to its installation location.

3. Unpack the equipment near the rack where the unit will be assembled.

CAUTION: Always plan the rack installation so that the heaviest item is on the bottom of the

rack. Install the heaviest item first, and continue to populate the rack from the bottom to the top.

Installing the mounting rails

WARNING: To reduce the risk of personal injury or damage to the equipment, be sure that:

• The leveling feet are extended to the floor.

• The full weight of the rack rests on the leveling feet.

• The stabilizing feet are attached to the rack if it is a single-rack installation.

• The racks are coupled together in multiple-rack installations.

• Only one component is extended at a time. A rack may become unstable if more than one

component is extended for any reason.

If preparing the rails for integrated shipping, follow the same instructions in "Installing the UPS in a rack

(on page 16)" or "Installing the UPS as a tower (on page 31)."

Mounting hardware for square- and round-holed racks is included in the UPS kit.

Questions and Answers:

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HPE R/T3000 G2 Specifications

General