4.1
The electrical schematics show some components labeled as TB1 to TB2 and these components are physically mounted
on din rails. The illustration below shows the location of the Din rails with the installed components and the designated TB
number.
The following pages will show and explain in brief how to understand the correlation between the electrical schematic and
the control panel with regards to TB1 and TB2.
TB1TB1
VFDVFD
1TR1TR
SECTION 4 - ELECTRICAL
S20 / S23 Component Layout: VFD OPTION
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