Figure 11: OptiSpeed system architecture (Model 1055 shown, similar to 868, 882, 914, 917,
and 948 models)
Callout Description Callout Description
1 Filter pre-charge contactor 5 Filter inductor
2 Air coil 6 Line voltage isolation board
3 Filter supply contactor 7 Circuit breaker
4 Line inductor 8 Filter trap
Liquid-Cooled OptiSpeed Compressor Speed Drive30