5. Post-installation inspection and environmental preservation
5-1
TI 30A30A10-01EN
5. Post-installation inspection and
environmental preservation
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Post-installation inspection
Upon the completion of installation of instrumentation, before turning on the power inspect the
following items in the list below to avoid system contamination by dust and moisture dust and
condensation.
Table Inspection before power on
Inspection items (daily inspection/maintenance items)
Environment
No water intrusion from cable ducts.
No wind/rain blow-in
Enclosure bottoms covered to prevent entry of wind, dust, moisture
Enclosures and surroundings cleaned
No dust entering
Free of salty, ferrous, corrosive gas
No direct sunlight on equipment
Equipment
No condensation or traces on enclosure interior/exterior
No discoloration or rust on enclosure interior/exterior
No condensation or traces on cards (disconnect cards on the upper, middle, and lower
stands, and left and right sides of the enclosure to check that there is no condensation on
the cards or defects anywhere in the enclosure.)
No dust remaining inside cabinet
It is recommended that you turn on the power in the presence of Yokogawa when turning it on
first.
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Post-installation environment preservation
The following precautions should be taken to preserve the proper operating environment after the
system has been installed:
• Monitor and record ambient temperature and humidity. To maintain the reliability of the
equipment be sure to remove the cause if they fluctuate violently.
• Note that leaving the door of the enclosure open during installation, or leaving open cable
ducts whiles pulling cables, may result in condensation.
Feb. 26, 2018-00