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HGM9120 Genset Controller
HGM9120 Genset Controller Version: 1.0 2014-04-14 Page 21 of 58
Mains load is transferred into generator load, after the delay of switch off and transfer
interval, generator switch on. Detecting transfer fail while generator switch on. After
detecting time out, if switch on fail, then wait for generator switch on. If transfer fail and
warning “SELECT Enable”, there is alarming signal.
2. If input port is not configured as Close Mains Auxiliary
Mains load is transferred into generator load, after switch off and transfer interval delay,
generator switch on.
The way to transfer generator load to mains load is as same as above.
NOTE:
When using ATS of no interposition, switch off detecting should
“SELECT Disable”;
When using ATS of having
interposition, switch off “SELECT Disable” or “SELECT Enable”
both
are OK. If choose “SELECT Enable”, switch off output should be configured;
When using
AC contactor, switch off “SELECT Enable” is recommended.