IBM Rear Door Heat eXchanger V2, Руководство по установке и обслуживанию

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Maintenance schedule
Perform the following maintenance tasks at the indicated time intervals.
Table 3. Maintenance schedule
Task When to perform
Inspect the heat-exchanger fins for air
blockage at the fins (from dust, dirt, and
debris). Annually
Perform the air-bleed process
v
After a few minutes of water flowing
through the heat exchanger
v One month after installation
v Whenever warm air is exiting the top of
the heat exchanger while cooler air is
exiting below that
Inspect the entire length of the supply hose
and return hose for damage, age cracks, and
kinks. Be sure to inspect at the door and
outside of the rack. Annually
Replaceable components
Field replaceable units (FRUs) must be replaced only by a trained service
technician, unless they are classified as customer replaceable units (CRUs).
Tier 1 CRU: Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier
1 CRU at your request without a service contract, you will be charged for the
installation.
Tier 2 CRU: You may install a Tier 2 CRU yourself or request IBM to install it, at no
additional charge, under the type of warranty service that is designated for your
product.
For more information about the terms of the warranty and getting service and
assistance, see the
Warranty Information document that comes with the heat
exchanger.
Table 4. Field replaceable units for the IBM Rear Door Heat eXchanger V2 Type 1756
Description
CRU part
number
(Tier 1)
CRU part number
(Tier 2)
FRU part number
(trained service technician
only)
Rear Door Heat eXchanger assembly 95Y2284
Door hinge accessory kit 95Y2281
Latch, door 90Y3057
Upper air baffle kit 95Y2283
Lower air baffle kit 95Y2282
Purge tool kit 46C6345
Ladder, platform 45E0998
Chapter 5. Maintaining the heat exchanger
61