Figure 9: OptiSpeed system architecture (Model VSD 790 shown, similar to 608, 658, and 704
models)
Callout Description Callout Description
1 Air coil 5 Line inductor
2 Filter supply contactor 6 Filter inductor
3 Filter DCCTs 7 Circuit breaker
4 Filter fuses 8 Filter trap
Liquid-Cooled OptiSpeed Compressor Speed Drive28