26 Centrifugal Chillers IM 1044-2
Insulating Motor Terminals
1. Insulate motor housing around terminals using thermal
foam.
2. Thermally insulate the motor terminals.
• Use “SCOTCH” Sealant Tape on each end of terminal
on glass.
• Install full length plus heat shrink tube (see picture to
right.)
• Shrink with heat gun.
3. Install the flexible buss bars. (see picture at right) using a
backing wrench and tighten as shown below. The buss
bars are factory connected to the box main power
terminals and field connected to the motor terminals
• Use Scotch® Linerless Rubber Splicing Tape to cover
the compressor terminal housing extending into the
terminal box. See Figure 14.
• Top wrap with “SCOTCH” Sealant Tape starting at
base terminal and going out 2-in. onto the buss-bar.
• Top wrap with "SCOTCH" 70 SELF-FUSING SILICONE RUBBER ELECTRICAL TAPE 70
starting at base terminal and going out 2-in.onto the buss-bar.
• Top coat all this the 3M™ Scotchkote™ Electrical Coating 14853 (clear liquid)