Smartgen HGM7110DC User Manual page 19

HGM7110DC Genset Controller
Charging： Iload = Igen - Iacc；
Non-charging：Iacc = xxx，Iload = xxx，Igen = 0；
Accumulator Priority System: In Auto mode, K2 and K3 are always close. When the
accumulator voltage has fallen below the Charge Start Volt, the genset will be started
according to the preset sequence. If the on-load requirements have been reached, K1 Close
relay will activate to charge the accumulator.
Genset Priority System: In Auto mode, K1 and K3 are always close. When the accumulator
voltage has fallen below the Charge Start Volt, the genset will be started according to the
preset sequence. If the on-load requirements have been reached, K2 Close relay will activate
to charge the accumulator. If Genset failure occurs, K2 Close relay will activate and the
Accumulator will take load.
HGM7110DC Genset Controller Version: 1.0 2014-09-27 Page 19 of 68