Smartgen HGM400 Series User Manual page 40

HGM400 Series Genset Controller User Manual
Single Phase 2 Wire (HGM420)
2 Phase 3 Wire (HGM420)
CAUTION! Expand relay with high capacity in start and fuel output is
recommend.
CAUTION! Expand relay must be used in mains/gen closed outputs.
HGM400 Series Genset Controller ISSUE 2015-05-27 Version 1.6 Page 40 of 44