Preparing and Installing the Cast Resin Busbar Elements

Overview

This section explains how the cast resin busbar elements should be installed on the supports. At this stage, the supports have been installed in accordance with the installation plan.

General Instructions for Installation

Follow these instructions during the installation process:

Start the installation by connecting the switchboard.
Continue toward the transformer, sub distribution board, and loads.
Install the elements in accordance with the planned layout as indicated in the installation drawings supplied.
Connect the sections of up to a maximum of six units to facilitate the insulation test.
For handling reasons, keep a straight element as the last connected unit.

Installing the Cast Resin Busbar Elements

Follow these instructions for installing the cast resin busbar elements

Position elements at the desired location using slings or other lifting lugs.
Ensure that elements are correctly positioned in relation to the adjoining elements.
Secure the cast resin busbar trunking system by tightening the threaded rods on the supports. Use the nuts and fixing screws provided with the supports.
When installing adjoining elements, make sure that the spacing between their end conductors is 30 +/-5 mm.

Installing the Cast Resin Busbar Elements Vertically on Wall-Mounted Brackets

Follow these instructions for vertical installations mounted on walls.

Completing the installation of a cast resin busbar element on ZA5, ZA9 and ZA7 (top to bottom) supports	Install the entire vertical run on the mounted supports. After installing the entire vertical run, tighten the screws on the threaded rods with the springs on the ZA5 supports and set the desired height of the element.
Installing the vertical elements on ZA6 spring supports mounted on the floor.	Install the vertical runs on spring supports mounted on the floor as shown in the figure on the left.
Installing a vertical element on a ZA8 fixed-point support mounted on the floor.	Install the vertical runs on fixed-point supports mounted on the floor as shown in the figure on the left.