
452 Chapter 17 Hardware procedures
241-1501-240 5.2S2
Installing a fan controller
Install a fan controller to restore the operation of a fan.
Prerequisites
•
You must be familiar with “Safety considerations and best practices”
(page 53).
•
You need an appropriate fan controller for the version of cooling unit:
— NTHR10AA for a lower (rear) cooling unit NTHR51AA
— NTHR10AB for a lower (rear) cooling unit NTHR51AB
— NTHR10AA for a for an upper (front) cooling unit NTHR52AA
— NTHR10AB for a for an upper (front) cooling unit NTHR52AB
•
For controller NTHR10AA, you need a non-magnetic one-piece short-
shafted screwdriver to fasten the very large slotted captive screw.
•
For controller NTHR10AB, you need:
— a non-magnetic one-piece screwdriver to fasten the very large
Phillips captive screw
WARNING
Risk of injury by fan blades
While working on any equipment near cooling unit fans,
be continuously aware that the rpm of a live fan can suck
loose clothing, hair, or jewelry into the fan blades or
amputate a finger. Do not touch a rotating fan with
anything.
WARNUNG
Verletzungsgefahr durch Lüfterblätter
Beim Arbeiten in der Nähe der Lüfter des Kühlaggregats
besteht die Gefahr, daß ein rotierender Lüfter lose
Kleidung, Haare oder Schmuck in die Lüfterblätter saugt
oder einen Finger abtrennt. Berühren Sie einen Lüfter
niemals, weder direkt noch indirekt.
Содержание Passport 15000
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Страница 52: ...52 Chapter 1 Overview of hardware tasks 241 1501 240 5 2S2 ...
Страница 70: ...70 Chapter 2 Safety considerations and best practices 241 1501 240 5 2S2 ...
Страница 84: ...84 Chapter 4 Alarm BITS module 241 1501 240 5 2S2 ...
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Страница 216: ...216 Chapter 14 Power and ground hardware of a Passport 15000 or 20000 241 1501 240 5 2S2 ...
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