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PDS Commissioning Guidance
T1689 Technical Manual Rev 07
Visual Inspection
MV3000 Air Cooled DELTA
Page 136
7.2
VISUAL INSPECTION
7.2.1
Delivery Checks
It is possible that the enclosure could have sustained damaged during transport and installation. Inspect the
enclosures for any damage that may have been caused.
This could include:
•
Broken or cracked shrouds;
•
Wiring insulation damage;
•
Panel damage including paint chips or dents;
•
Loose or broken connections;
•
Debris or foreign objects in the enclosures.
7.2.2
Enclosure Installation
Once the enclosures have been installed into their final location, the following checks should be made:
•
Ensure that the enclosure is connected to the local earth circuit;
•
Ensure that all wiring to the system is in accordance with the installation drawings. This could
include supply, communications and I/O connections;
•
Ensure that the enclosure is supported using the correct mounting points;
•
Check that, all gland plates are present and secured in place with appropriate glands fitted;
7.3
DRY-OUT / WARM-UP PROCEDURE
Before applying power to the converter for the first time, or after an extended period of no power applied to
the converter, it is necessary to go through a heat/dry cycle.
This is dependent on many factors, including the following:
•
Where the converter was manufactured;
•
When the converter was manufactured;
•
The converter’s final installation location;
•
The environmental conditions at the time of final installation and commissioning.
The dry-out process must be implemented by one or more of the following:
•
All doors and panels closed;
•
Operating the internal heater systems (e.g. anti-condensation heaters);
•
Applying an external heat source;
The duration of the dry-out period is dependent on the initial condition of the equipment and the following
time durations are recommended:
Initial condition of equipment
Recommended dry-out period
Commissioning of equipment in humid conditions
48 hours
Commissioning of equipment in dry conditions
24 hours
Re-starting of equipment following a period of isolation in excess of 48 hours
24 hours
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