Space And Airflow Requirements; Temperature Requirements - HPE Synergy 12000 Frame Setup And Installation Manual

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WARNING: To reduce the risk of personal injury, fire, or damage to the equipment, do not overload the AC supply
branch circuit that provides power to the rack. Consult the electrical authority having jurisdiction over wiring and
installation requirements of your facility.
CAUTION: Protect the storage module from power fluctuations and temporary interruptions with a regulating UPS.
This device protects the hardware from damage caused by power surges and voltage spikes and keeps the storage
module in operation during a power failure.

Space and airflow requirements

CAUTION: In high-density configurations, the HPE 11000 G2 Series Rack Airflow Optimization Kit (BW930A) must
be installed to prevent airflow from the rear of the rack to the front the rack through gaps in the rack frame.
To enable servicing and ensure adequate airflow, observe the following spatial requirements when deciding where to
install a Hewlett Packard Enterprise-branded, Compaq-branded, Telco, or third-party rack:
Leave a minimum clearance of 63.5 cm (25.0 in) in front of the rack.
Leave a minimum clearance of 76.2 cm (30.0 in) in back of the rack.
Leave a minimum clearance of 121.9 cm (48.0 in) from the back of the rack to the rear of another rack or row of racks.
Compute modules draw cool air in through the front and expel warm air through the rear of the frame. Therefore, the front
of the frame must be adequately ventilated to enable ambient room air to enter the frame, and the rear of the frame must
be adequately ventilated to enable the warm air to escape from the frame.
Hewlett Packard Enterprise Advanced Series Racks, Hewlett Packard Enterprise Series Racks, and Hewlett Packard
Enterprise Standard Series Racks provide proper compute module cooling through flow-through perforations in the front
and rear doors that provide 65 percent open area for ventilation.
If the front of the rack is not filled with components, the remaining gaps between the components can cause changes in
the airflow, which can adversely affect cooling within the rack. Cover these gaps with blanking panels.
IMPORTANT: Do not block the ventilation openings.
CAUTION: Always use blanking panels to fill empty vertical spaces in the rack. This arrangement ensures proper
airflow. Using a rack without blanking panels results in improper cooling that can lead to thermal damage.

Temperature requirements

To ensure continued safe and reliable equipment operation, install or position the rack in a well-ventilated, climate-
controlled environment.
The operating temperature inside the rack is always higher than the room temperature and is dependent on the
configuration of equipment in the rack. Check the TMRA for each piece of equipment before installation.
CAUTION: To reduce the risk of damage to the equipment when installing third-party options:
Do not permit optional equipment to impede airflow around the frame or to increase the internal rack
temperature beyond the maximum allowable limits.
Do not exceed the manufacturer's TMRA.
8
Planning the installation

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