Follow the below guidelines:
• To prevent any risk of corrosion, install the MVCS higher than its surroundings so that
surface water will not collect around its perimeter.
• Tilt the surface of the surrounding ground at least 50 mm per meter (two inches per 40
in). This ensures that surface water flows away from the MVCS.
• Consider local conditions, such as soil type, frost protection, rain amounts, etc. There
needs to be at least 300 + 200 mm gravel under the foundation.
• Consider the required cable bending radius and installation room.
• The built-on site user platform around the MVCS must be at least one meter (40 in)
wide. If it is narrower, service work can be difficult.
• The entire perimeter of the MVCS must rest on the foundation.
• Check the load carrying capacity of the ground and potential local special requirements
(for example, earthquake or typhoon anchoring) of the construction area. Use materials
suitable for the local conditions and requirements.
Placing the MVCS on the foundation
WARNING!
Before lifting the MVCS onto the foundation, make sure the foundation is aligned
well, hardened and stable.
1. Measure the level of the foundation and the tilting of the surface of the surrounding
ground around the foundation. Obey the Foundation guidelines (page 37).
2. Make sure the foundation below the MVCS is leveled. Inclination up to 0.1 degrees is
permitted.
3.
Lift the MVCS onto the foundation. Obey the instructions in section Lifting (page 31).
Make sure that the foundation does not move. Also make sure that the station is stable
and in direct contact with the foundation.
4. When the MVCS is placed on the foundation, measure the height and inclination of the
MVCS. Check the slope of the surface of the surrounding ground around the MVCS.
38 Mechanical installation
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