IBM Storwize V7000 Unified Manual page 48

CAUTION:
v Do not install a unit in a rack where the internal rack ambient temperatures
v Do not install a unit in a rack where the air flow is compromised. Ensure that
v Consideration should be given to the connection of the equipment to the
v (For sliding drawers) Do not pull out or install any drawer or feature if the
v (For fixed drawers) This drawer is a fixed drawer and must not be moved for
(R001 part 2 of 2)
Important: In addition, remember:
v The rack design must support the total weight of the installed enclosures and
v The rack design must take into consideration the maximum enclosure operating
v The system must be operated with low pressure rear exhaust installation with
v The rack must have a safe electrical distribution system. It must provide
v The electrical distribution system must provide a reliable ground for each
Power requirements for each power supply (two per enclosure)
Ensure that your environment meets the following power requirements.
To aid in power and cooling requirements planning, Table 25 on page 29 lists the
rating of each power supply unit (PSU) by enclosure.
The power used by the system depends on a variety of factors, including the
number of enclosures and drives in the system and the ambient temperature.
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IBM Storwize V7000 Unified: Adding Storwize V7000 File Modules to an existing Storwize V7000 system 2073-720
will exceed the manufacturer's recommended ambient temperature for all your
rack-mounted devices.
air flow is not blocked or reduced on any side, front, or back of a unit used
for air flow through the unit.
supply circuit so that overloading of the circuits does not compromise the
supply wiring or overcurrent protection. To provide the correct power
connection to a rack, refer to the rating labels located on the equipment in the
rack to determine the total power requirement of the supply circuit.
rack stabilizer brackets are not attached to the rack. Do not pull out more than
one drawer at a time. The rack might become unstable if you pull out more
than one drawer at a time.
servicing unless specified by the manufacturer. Attempting to move the
drawer partially or completely out of the rack might cause the rack to become
unstable or cause the drawer to fall out of the rack.
incorporate stabilizing features suitable to prevent the rack from tipping or being
pushed over during installation or normal use.
ambient temperature of 35 degrees C (95 degrees Fahrenheit).
back pressure created by rack doors and obstacles not to exceed 5 pascals (0.5
mm water gauge).
overcurrent protection for the enclosure and must not be overloaded by the total
number of enclosures installed. The electrical power consumption rating shown
on the nameplate should be observed.
enclosure in the rack.