Publication 2100-IN012B-EN-P - April 2005
2-8 Installation Procedures
Joining & Splicing Existing
Motor Control Centers
A main horizontal bus, a neutral bus (if required) and a ground bus splice kit
must be installed when adding to existing CENTERLINE motor control
centers. When adding to existing motor control centers, you must identify the
series of the motor control center that you will be adding to. If the existing
motor control center is Series A or B, you must consult the factory for joining
and splicing procedures. When the existing motor control center is Series C or
later, refer to publication 2100-IN010x-EN-P, Joining and Splicing Vertical
Sections.
Make sure to also connect DeviceNet and other control cables as required.
Installing and Joining Pull
Boxes
When pull boxes are supplied with your motor control center, refer to
publication 2100-5.28, Installing a Pull Box on a Bulletin 2100 Vertical Section for
installing and joining the pull box onto the vertical section.
Joining and Splicing NEMA
Type 12 Motor Control
Centers
NEMA Type 12 MCCs must be properly installed to prevent the ingress of
dust and dirt. Follow the caulking instructions, publication
2100-IN037x-EN-P, supplied with the NEMA 12 MCC. Using caulk, close any
mounting holes in the bottom plates and bolt holes between shipping splits.
NOTE: It is necessary that all door latches and wireway doors be fully latched
to prevent dust and dirt from entering the enclosure and to meet NEMA Type
12 requirements.
Joining & Splicing NEMA
Type 3R and Type 4 Motor
Control Centers
A main horizontal bus, a neutral bus (if required) and a ground bus splice kit
must be installed between the internal sections for new and existing NEMA
Type 3R and Type 4 motor control centers. Refer to publication
2100-IN010x-EN-P, Joining and Splicing Vertical Sections, for splicing Type 3R
and Type 4 internal sections. See Figure 2.9.
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