Smartgen HGM7100N Series User Manual page 46

the current transformer's secondary side current must be 5A. At the same time, the phases of current
transformer and input voltage must correct. Otherwise, the current of collecting and active power maybe
not correct.
—
WITHSTAND VOLTAGE TEST
When controller had been installed in control panel, if need the high voltage test, please disconnect
controller's all terminal connections, in order to prevent high voltage into controller and damage it.
NOTE:
a) ICOM port must be connected to negative pole of battery.
When there is load current, transformer's secondary side prohibit open circuit.
b)
HGM7100N Genset Controller
HGM7100N GENSET CONTROLLER USER MANUAL
2020-09-10 Version1.2 Page 46 of 47