7.15
Replacing the peripheral PCA board
To replace the peripheral board, complete the following steps.
DANGER!
ELECTRIC SHOCK
The analyzer operates using mains voltage that is dangerous to life. Make sure that the power
ON/OFF
switch at the rear of the panel is set to
OFF
and tagged off before removing the top
cover.
The analyzer must be earthed.
Death or personal injury may result if this is not observed.
WARNING!
HEAVY ITEM
Handle the analyzer with caution during unpacking, installing, maintaining, and transporting
to prevent crushing of hands, feet, or other body parts.
The analyzer weighs 31 kg (68 lb). Emerson recommends that the analyzer is only moved and
lifted by a minimum of two people when lifting and transporting the equipment. Wear suitable
protective gloves and protective footwear.
Failure to properly handle the analyzer may cause injury to personnel.
WARNING!
BURNS
Do not touch any part of the analyzer. Assume all parts of the analyzer are hot unless it has
been switched off and allowed to cool down. Some parts of the analyzer may be heated to
190 °C (374 °F). Always wear proper protective equipment when handling the analyzer.
•
Switch off the analyzer and allow it to cool for at least two hours before fitting,
removing, or performing any maintenance.
•
The analysis cell is insulated against heat loss. Allow the analyzer to cool for at least
twelve hours before performing any maintenance on, or in the vicinity of, the analysis
cell.
Failure to allow sufficient cooling may cause serious burn injury to personnel. If burns occur,
seek immediate medical treatment.
Procedure
1.
Shut down the analyzer as described in
Section 8.2
and allow it to cool..
2.
Remove the analyzer from the rack and place it on a stable workbench. This step
requires two people to properly lift and transport to the workbench.
3.
Refer to
Figure 7-23
. Disconnect the 12 V power wiring harness (I) from the
peripheral PCA board (A).
Troubleshooting and diagnostics
92
Rosemount CT5400
Содержание Rosemount CT5400
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Страница 20: ...Contents iv Rosemount CT5400 ...
Страница 32: ...Plan 12 Rosemount CT5400 ...
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Страница 44: ...Startup procedure 24 Rosemount CT5400 ...
Страница 54: ...Operating the analyzer 34 Rosemount CT5400 ...
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Страница 164: ...Shutdown procedure 144 Rosemount CT5400 ...
Страница 166: ...Preventative maintenance 146 Rosemount CT5400 ...
Страница 172: ...Engineering Drawings 152 Rosemount CT5400 ...