York VSD 270 Operation Manual page 28

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